# 前言<a name="ZH-CN_TOPIC_0000001912177498"></a>

**概述<a name="section0707145055418"></a>**

本文档详细介绍了WS53V100系列芯片 硬件设计时关键器件选型的推荐参数和选型指南。

**产品版本<a name="section1423985410207"></a>**

与本文档相对应的产品版本如下。

<a name="table2270181717471"></a>
<table><thead align="left"><tr id="row15364171712479"><th class="cellrowborder" valign="top" width="49.02%" id="mcps1.1.3.1.1"><p id="p123646174478"><a name="p123646174478"></a><a name="p123646174478"></a><strong id="b5942730175717"><a name="b5942730175717"></a><a name="b5942730175717"></a>产品名称</strong></p>
</th>
<th class="cellrowborder" valign="top" width="50.980000000000004%" id="mcps1.1.3.1.2"><p id="p1936401717470"><a name="p1936401717470"></a><a name="p1936401717470"></a><strong id="b1594613304577"><a name="b1594613304577"></a><a name="b1594613304577"></a>产品版本</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="row997133615471"><td class="cellrowborder" valign="top" width="49.02%" headers="mcps1.1.3.1.1 "><p id="p20972036114716"><a name="p20972036114716"></a><a name="p20972036114716"></a>WS53</p>
</td>
<td class="cellrowborder" valign="top" width="50.980000000000004%" headers="mcps1.1.3.1.2 "><p id="p897253619477"><a name="p897253619477"></a><a name="p897253619477"></a>V100</p>
</td>
</tr>
</tbody>
</table>

**读者对象<a name="section4378592816410"></a>**

本文档主要适用于以下工程师：

-   单板硬件开发工程师
-   技术支持工程师

**符号约定<a name="section133020216410"></a>**

在本文中可能出现下列标志，它们所代表的含义如下。

<a name="table2622507016410"></a>
<table><thead align="left"><tr id="row1530720816410"><th class="cellrowborder" valign="top" width="20.580000000000002%" id="mcps1.1.3.1.1"><p id="p6450074116410"><a name="p6450074116410"></a><a name="p6450074116410"></a><strong id="b2136615816410"><a name="b2136615816410"></a><a name="b2136615816410"></a>符号</strong></p>
</th>
<th class="cellrowborder" valign="top" width="79.42%" id="mcps1.1.3.1.2"><p id="p5435366816410"><a name="p5435366816410"></a><a name="p5435366816410"></a><strong id="b5941558116410"><a name="b5941558116410"></a><a name="b5941558116410"></a>说明</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="row1372280416410"><td class="cellrowborder" valign="top" width="20.580000000000002%" headers="mcps1.1.3.1.1 "><p id="p3734547016410"><a name="p3734547016410"></a><a name="p3734547016410"></a><a name="image2670064316410"></a><a name="image2670064316410"></a><span><img class="" id="image2670064316410" src="figures/zh-cn_image_0000001912017594.png" width="55.9265" height="25.270000000000003"></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.42%" headers="mcps1.1.3.1.2 "><p id="p1757432116410"><a name="p1757432116410"></a><a name="p1757432116410"></a>表示如不避免则将会导致死亡或严重伤害的具有高等级风险的危害。</p>
</td>
</tr>
<tr id="row466863216410"><td class="cellrowborder" valign="top" width="20.580000000000002%" headers="mcps1.1.3.1.1 "><p id="p1432579516410"><a name="p1432579516410"></a><a name="p1432579516410"></a><a name="image4895582316410"></a><a name="image4895582316410"></a><span><img class="" id="image4895582316410" src="figures/zh-cn_image_0000001912017590.png" width="55.9265" height="25.270000000000003"></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.42%" headers="mcps1.1.3.1.2 "><p id="p959197916410"><a name="p959197916410"></a><a name="p959197916410"></a>表示如不避免则可能导致死亡或严重伤害的具有中等级风险的危害。</p>
</td>
</tr>
<tr id="row123863216410"><td class="cellrowborder" valign="top" width="20.580000000000002%" headers="mcps1.1.3.1.1 "><p id="p1232579516410"><a name="p1232579516410"></a><a name="p1232579516410"></a><a name="image1235582316410"></a><a name="image1235582316410"></a><span><img class="" id="image1235582316410" src="figures/zh-cn_image_0000001945016721.png" width="55.9265" height="25.270000000000003"></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.42%" headers="mcps1.1.3.1.2 "><p id="p123197916410"><a name="p123197916410"></a><a name="p123197916410"></a>表示如不避免则可能导致轻微或中度伤害的具有低等级风险的危害。</p>
</td>
</tr>
<tr id="row5786682116410"><td class="cellrowborder" valign="top" width="20.580000000000002%" headers="mcps1.1.3.1.1 "><p id="p2204984716410"><a name="p2204984716410"></a><a name="p2204984716410"></a><a name="image4504446716410"></a><a name="image4504446716410"></a><span><img class="" id="image4504446716410" src="figures/zh-cn_image_0000001912177506.png" width="55.9265" height="25.270000000000003"></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.42%" headers="mcps1.1.3.1.2 "><p id="p4388861916410"><a name="p4388861916410"></a><a name="p4388861916410"></a>用于传递设备或环境安全警示信息。如不避免则可能会导致设备损坏、数据丢失、设备性能降低或其它不可预知的结果。</p>
<p id="p1238861916410"><a name="p1238861916410"></a><a name="p1238861916410"></a>“须知”不涉及人身伤害。</p>
</td>
</tr>
<tr id="row2856923116410"><td class="cellrowborder" valign="top" width="20.580000000000002%" headers="mcps1.1.3.1.1 "><p id="p5555360116410"><a name="p5555360116410"></a><a name="p5555360116410"></a><a name="image799324016410"></a><a name="image799324016410"></a><span><img class="" id="image799324016410" src="figures/zh-cn_image_0000001945016717.png" width="47.88" height="15.96"></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.42%" headers="mcps1.1.3.1.2 "><p id="p4612588116410"><a name="p4612588116410"></a><a name="p4612588116410"></a>对正文中重点信息的补充说明。</p>
<p id="p1232588116410"><a name="p1232588116410"></a><a name="p1232588116410"></a>“说明”不是安全警示信息，不涉及人身、设备及环境伤害信息。</p>
</td>
</tr>
</tbody>
</table>

**修改记录<a name="section12708125085411"></a>**

<a name="table47081150115417"></a>
<table><thead align="left"><tr id="row77084508540"><th class="cellrowborder" valign="top" width="20.72%" id="mcps1.1.4.1.1"><p id="p770811501546"><a name="p770811501546"></a><a name="p770811501546"></a><strong id="b1870845065410"><a name="b1870845065410"></a><a name="b1870845065410"></a>文档版本</strong></p>
</th>
<th class="cellrowborder" valign="top" width="26.119999999999997%" id="mcps1.1.4.1.2"><p id="p070825055415"><a name="p070825055415"></a><a name="p070825055415"></a><strong id="b1170855025416"><a name="b1170855025416"></a><a name="b1170855025416"></a>发布日期</strong></p>
</th>
<th class="cellrowborder" valign="top" width="53.16%" id="mcps1.1.4.1.3"><p id="p1770855055413"><a name="p1770855055413"></a><a name="p1770855055413"></a><strong id="b77081350195411"><a name="b77081350195411"></a><a name="b77081350195411"></a>修改说明</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="row1135192219189"><td class="cellrowborder" valign="top" width="20.72%" headers="mcps1.1.4.1.1 "><p id="p713582212187"><a name="p713582212187"></a><a name="p713582212187"></a>01</p>
</td>
<td class="cellrowborder" valign="top" width="26.119999999999997%" headers="mcps1.1.4.1.2 "><p id="p181351122151813"><a name="p181351122151813"></a><a name="p181351122151813"></a>2024-08-08</p>
</td>
<td class="cellrowborder" valign="top" width="53.16%" headers="mcps1.1.4.1.3 "><p id="p553316301186"><a name="p553316301186"></a><a name="p553316301186"></a>第一次正式版本发布。</p>
</td>
</tr>
<tr id="row1151582562818"><td class="cellrowborder" valign="top" width="20.72%" headers="mcps1.1.4.1.1 "><p id="p1515162562811"><a name="p1515162562811"></a><a name="p1515162562811"></a>00B02</p>
</td>
<td class="cellrowborder" valign="top" width="26.119999999999997%" headers="mcps1.1.4.1.2 "><p id="p10515152562818"><a name="p10515152562818"></a><a name="p10515152562818"></a>2024-07-15</p>
</td>
<td class="cellrowborder" valign="top" width="53.16%" headers="mcps1.1.4.1.3 "><p id="p15333194412283"><a name="p15333194412283"></a><a name="p15333194412283"></a>更新“<a href="#ZH-CN_TOPIC_0000001912177502">时钟器件</a>”小节内容。</p>
</td>
</tr>
<tr id="row13708165012548"><td class="cellrowborder" valign="top" width="20.72%" headers="mcps1.1.4.1.1 "><p id="p115401116132012"><a name="p115401116132012"></a><a name="p115401116132012"></a>00B01</p>
</td>
<td class="cellrowborder" valign="top" width="26.119999999999997%" headers="mcps1.1.4.1.2 "><p id="p10539216132018"><a name="p10539216132018"></a><a name="p10539216132018"></a>2024-06-11</p>
</td>
<td class="cellrowborder" valign="top" width="53.16%" headers="mcps1.1.4.1.3 "><p id="p651921612014"><a name="p651921612014"></a><a name="p651921612014"></a>第一次临时版本发布。</p>
</td>
</tr>
</tbody>
</table>

# 关键器件选型约束<a name="ZH-CN_TOPIC_0000001945016713"></a>

关键器件按功能可以分为：

-   时钟器件
-   电源功率器件

-   **[时钟器件](#ZH-CN_TOPIC_0000001912177502)**  

-   **[电源功率器件](#ZH-CN_TOPIC_0000001912017586)**  

## 时钟器件<a name="ZH-CN_TOPIC_0000001912177502"></a>

WS53系列芯片晶体时钟支持32MHz，时钟电路外部晶体电气特性的要求如[表1](#table927994643018)所示。

**表 1**  Crystal电气特性要求

<a name="table927994643018"></a>
<table><thead align="left"><tr id="row15279646173016"><th class="cellrowborder" valign="top" id="mcps1.2.9.1.1"><p id="p112798464305"><a name="p112798464305"></a><a name="p112798464305"></a>参数</p>
</th>
<th class="cellrowborder" valign="top" id="mcps1.2.9.1.2"><p id="p027915469306"><a name="p027915469306"></a><a name="p027915469306"></a>符号</p>
</th>
<th class="cellrowborder" colspan="4" valign="top" id="mcps1.2.9.1.3"><p id="p167032664017"><a name="p167032664017"></a><a name="p167032664017"></a>晶体选型规格</p>
</th>
<th class="cellrowborder" valign="top" id="mcps1.2.9.1.4"><p id="p1527994673012"><a name="p1527994673012"></a><a name="p1527994673012"></a>单位</p>
</th>
<th class="cellrowborder" valign="top" id="mcps1.2.9.1.5"><p id="p1627934603015"><a name="p1627934603015"></a><a name="p1627934603015"></a>备注</p>
</th>
</tr>
</thead>
<tbody><tr id="row169487812717"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p494808102718"><a name="p494808102718"></a><a name="p494808102718"></a>标称频率</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p129480818274"><a name="p129480818274"></a><a name="p129480818274"></a>f</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p1128144943617"><a name="p1128144943617"></a><a name="p1128144943617"></a>32</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p14948168172719"><a name="p14948168172719"></a><a name="p14948168172719"></a>32</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p1148265153615"><a name="p1148265153615"></a><a name="p1148265153615"></a>32</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p132931610114018"><a name="p132931610114018"></a><a name="p132931610114018"></a>32</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p494818811271"><a name="p494818811271"></a><a name="p494818811271"></a>MHz</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p59481086277"><a name="p59481086277"></a><a name="p59481086277"></a>-</p>
</td>
</tr>
<tr id="row7702643123810"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p1783644716265"><a name="p1783644716265"></a><a name="p1783644716265"></a>负载电容</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p38372470262"><a name="p38372470262"></a><a name="p38372470262"></a>CL</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p128371647132620"><a name="p128371647132620"></a><a name="p128371647132620"></a>7</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p138371347142610"><a name="p138371347142610"></a><a name="p138371347142610"></a>8</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p1583713475264"><a name="p1583713475264"></a><a name="p1583713475264"></a>9</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p71951951113917"><a name="p71951951113917"></a><a name="p71951951113917"></a>12[1]</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p1683754752616"><a name="p1683754752616"></a><a name="p1683754752616"></a>pF</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p7837347112614"><a name="p7837347112614"></a><a name="p7837347112614"></a>-</p>
</td>
</tr>
<tr id="row1458152642016"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p0458626122011"><a name="p0458626122011"></a><a name="p0458626122011"></a>Xout串联电容</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p8458826152016"><a name="p8458826152016"></a><a name="p8458826152016"></a>C</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p1345815265203"><a name="p1345815265203"></a><a name="p1345815265203"></a>18</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p5458126122010"><a name="p5458126122010"></a><a name="p5458126122010"></a>18</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p17458426152020"><a name="p17458426152020"></a><a name="p17458426152020"></a>27</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p2458826202016"><a name="p2458826202016"></a><a name="p2458826202016"></a>-</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p545832662013"><a name="p545832662013"></a><a name="p545832662013"></a>pF</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p19939195216242"><a name="p19939195216242"></a><a name="p19939195216242"></a>XOUT预留0Ω电阻串位，用于调节晶体寄生电容。其中12pF晶体无需串联电容。</p>
</td>
</tr>
<tr id="row1225143142718"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p322615302716"><a name="p322615302716"></a><a name="p322615302716"></a>频率容差</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p1722633182710"><a name="p1722633182710"></a><a name="p1722633182710"></a>f_tol</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p922693122716"><a name="p922693122716"></a><a name="p922693122716"></a>&plusmn;10</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p1150718356371"><a name="p1150718356371"></a><a name="p1150718356371"></a>&plusmn;10</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p122266312710"><a name="p122266312710"></a><a name="p122266312710"></a>+10</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p9994187104018"><a name="p9994187104018"></a><a name="p9994187104018"></a>+10</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p1422643152712"><a name="p1422643152712"></a><a name="p1422643152712"></a>ppm</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p2022615382715"><a name="p2022615382715"></a><a name="p2022615382715"></a>晶体初始频偏</p>
</td>
</tr>
<tr id="row842213547374"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p316114153254"><a name="p316114153254"></a><a name="p316114153254"></a>频率稳定性</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p7161101502519"><a name="p7161101502519"></a><a name="p7161101502519"></a>f_temp</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p98991554164118"><a name="p98991554164118"></a><a name="p98991554164118"></a>&plusmn;10</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p168991454174117"><a name="p168991454174117"></a><a name="p168991454174117"></a>&plusmn;10</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p20899185414112"><a name="p20899185414112"></a><a name="p20899185414112"></a>+10</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p68999540413"><a name="p68999540413"></a><a name="p68999540413"></a>+10</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p989945454110"><a name="p989945454110"></a><a name="p989945454110"></a>ppm</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p1216161518253"><a name="p1216161518253"></a><a name="p1216161518253"></a>晶体温漂</p>
</td>
</tr>
<tr id="row199381515399"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p3716143915403"><a name="p3716143915403"></a><a name="p3716143915403"></a>激励功率</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p197166392406"><a name="p197166392406"></a><a name="p197166392406"></a>DL[2]</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p77161391404"><a name="p77161391404"></a><a name="p77161391404"></a>≥100</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p115741385420"><a name="p115741385420"></a><a name="p115741385420"></a>≥100</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p10588386428"><a name="p10588386428"></a><a name="p10588386428"></a>≥100</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p059910864214"><a name="p059910864214"></a><a name="p059910864214"></a>≥100</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p171715395400"><a name="p171715395400"></a><a name="p171715395400"></a>&micro;W</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p1717183964012"><a name="p1717183964012"></a><a name="p1717183964012"></a>-</p>
</td>
</tr>
<tr id="row37385612615"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p11733561265"><a name="p11733561265"></a><a name="p11733561265"></a>等效电阻</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p373165614264"><a name="p373165614264"></a><a name="p373165614264"></a>ESR</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p873145682611"><a name="p873145682611"></a><a name="p873145682611"></a>≤60 max</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p1270719210378"><a name="p1270719210378"></a><a name="p1270719210378"></a>≤60 max</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p147091121193712"><a name="p147091121193712"></a><a name="p147091121193712"></a>≤60 max</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p20368924174516"><a name="p20368924174516"></a><a name="p20368924174516"></a>≤60 max</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p473125672618"><a name="p473125672618"></a><a name="p473125672618"></a>Ω</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p47315613260"><a name="p47315613260"></a><a name="p47315613260"></a>-</p>
</td>
</tr>
<tr id="row17436126192517"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p43131133142915"><a name="p43131133142915"></a><a name="p43131133142915"></a>动态电感</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p1331313342913"><a name="p1331313342913"></a><a name="p1331313342913"></a>Lm[3]</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p3313183311293"><a name="p3313183311293"></a><a name="p3313183311293"></a>8.3~10.8</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p533213437343"><a name="p533213437343"></a><a name="p533213437343"></a>7.1~10.0</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p5331144313415"><a name="p5331144313415"></a><a name="p5331144313415"></a>5.8~11.7</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p1919510518392"><a name="p1919510518392"></a><a name="p1919510518392"></a>5.8~9.2</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p133112435349"><a name="p133112435349"></a><a name="p133112435349"></a>mH</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p5313163311297"><a name="p5313163311297"></a><a name="p5313163311297"></a>-</p>
</td>
</tr>
<tr id="row89247481254"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p15924124815251"><a name="p15924124815251"></a><a name="p15924124815251"></a>动态电容</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p19924204815259"><a name="p19924204815259"></a><a name="p19924204815259"></a>C1[3]</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p1924194882513"><a name="p1924194882513"></a><a name="p1924194882513"></a>2.3~3</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p1792416481251"><a name="p1792416481251"></a><a name="p1792416481251"></a>2.48~3.5</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p89248488258"><a name="p89248488258"></a><a name="p89248488258"></a>2.12~4.29</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p19196751153914"><a name="p19196751153914"></a><a name="p19196751153914"></a>2.7~5.55</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p2924164832518"><a name="p2924164832518"></a><a name="p2924164832518"></a>fF</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p1992444822519"><a name="p1992444822519"></a><a name="p1992444822519"></a>-</p>
</td>
</tr>
<tr id="row17215133516257"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p1421510351258"><a name="p1421510351258"></a><a name="p1421510351258"></a>静态电容</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p8215183592511"><a name="p8215183592511"></a><a name="p8215183592511"></a>C0</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p17215193512258"><a name="p17215193512258"></a><a name="p17215193512258"></a>≤2</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p1717414614353"><a name="p1717414614353"></a><a name="p1717414614353"></a>≤2</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p11205117133511"><a name="p11205117133511"></a><a name="p11205117133511"></a>≤2</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p145081588357"><a name="p145081588357"></a><a name="p145081588357"></a>≤2</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p1066761284519"><a name="p1066761284519"></a><a name="p1066761284519"></a>pF</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p221513542510"><a name="p221513542510"></a><a name="p221513542510"></a>-</p>
</td>
</tr>
<tr id="row19416113931217"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p4417039101215"><a name="p4417039101215"></a><a name="p4417039101215"></a>工作温度</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p5417153910125"><a name="p5417153910125"></a><a name="p5417153910125"></a>T</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p1241713396129"><a name="p1241713396129"></a><a name="p1241713396129"></a>-30~+85</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p0667175514412"><a name="p0667175514412"></a><a name="p0667175514412"></a>-30~+85</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p106724557448"><a name="p106724557448"></a><a name="p106724557448"></a>-30~+85</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p7674155194413"><a name="p7674155194413"></a><a name="p7674155194413"></a>-30~+85</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p124187398128"><a name="p124187398128"></a><a name="p124187398128"></a>℃</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p4857640172319"><a name="p4857640172319"></a><a name="p4857640172319"></a>-</p>
</td>
</tr>
<tr id="row18471555104114"><td class="cellrowborder" valign="top" width="14.48855114488551%" headers="mcps1.2.9.1.1 "><p id="p11471165544115"><a name="p11471165544115"></a><a name="p11471165544115"></a>存储温度</p>
</td>
<td class="cellrowborder" valign="top" width="11.908809119088092%" headers="mcps1.2.9.1.2 "><p id="p2047116559410"><a name="p2047116559410"></a><a name="p2047116559410"></a>T_s</p>
</td>
<td class="cellrowborder" valign="top" width="10.64893510648935%" headers="mcps1.2.9.1.3 "><p id="p04711655134120"><a name="p04711655134120"></a><a name="p04711655134120"></a>-40~+125</p>
</td>
<td class="cellrowborder" valign="top" width="12.1987801219878%" headers="mcps1.2.9.1.3 "><p id="p10740152111489"><a name="p10740152111489"></a><a name="p10740152111489"></a>-40~+125</p>
</td>
<td class="cellrowborder" valign="top" width="11.668833116688331%" headers="mcps1.2.9.1.3 "><p id="p375492144813"><a name="p375492144813"></a><a name="p375492144813"></a>-40~+125</p>
</td>
<td class="cellrowborder" valign="top" width="11.518848115188481%" headers="mcps1.2.9.1.3 "><p id="p1876562104814"><a name="p1876562104814"></a><a name="p1876562104814"></a>-40~+125</p>
</td>
<td class="cellrowborder" valign="top" width="10.598940105989401%" headers="mcps1.2.9.1.4 "><p id="p19174162434812"><a name="p19174162434812"></a><a name="p19174162434812"></a>℃</p>
</td>
<td class="cellrowborder" valign="top" width="16.96830316968303%" headers="mcps1.2.9.1.5 "><p id="p825504034819"><a name="p825504034819"></a><a name="p825504034819"></a>-</p>
</td>
</tr>
</tbody>
</table>

其中：

-   CL：Crystal负载电容。
-   ESR：Crystal等效串联电阻。
-   推荐晶体参数：CL 8pF，ESR 60Ω\(max\)，Lm 9.97mH，C1 2.48fF，C0 0.7pF。
-   1612封装因为C1和Lm差异较大，频偏校准范围只支持±20ppm。
-   标注\[1\]：CL为12pF的晶体，XO支撑以慢启方式启动。
-   标注\[2\]：若晶体DL（max）小于100μW，须在XOUT处串联30Ω电阻，并且XO频偏校准范围为±20ppm。
-   标注\[3\]：表格里是Type值，Lm和C1覆盖范围是type值±10%。

## 电源功率器件<a name="ZH-CN_TOPIC_0000001912017586"></a>

**表 1**  WS53系列芯片BUCK功率电感推荐规格

<a name="table34371250425"></a>
<table><thead align="left"><tr id="row114371350527"><th class="cellrowborder" valign="top" width="30.3%" id="mcps1.2.4.1.1"><p id="p181641446121419"><a name="p181641446121419"></a><a name="p181641446121419"></a>器件类型</p>
</th>
<th class="cellrowborder" valign="top" width="35.449999999999996%" id="mcps1.2.4.1.2"><p id="p15167174661415"><a name="p15167174661415"></a><a name="p15167174661415"></a>推荐约束条件</p>
</th>
<th class="cellrowborder" valign="top" width="34.25%" id="mcps1.2.4.1.3"><p id="p181681146131415"><a name="p181681146131415"></a><a name="p181681146131415"></a>说明</p>
</th>
</tr>
</thead>
<tbody><tr id="row1843819502024"><td class="cellrowborder" valign="top" width="30.3%" headers="mcps1.2.4.1.1 "><p id="p48381212101511"><a name="p48381212101511"></a><a name="p48381212101511"></a>BUCK功率电感</p>
</td>
<td class="cellrowborder" valign="top" width="35.449999999999996%" headers="mcps1.2.4.1.2 "><a name="ul651119262285"></a><a name="ul651119262285"></a><ul id="ul651119262285"><li>电感值2.2μH，&plusmn;20%。</li><li>直流电阻（Rdc）≤0.3Ω。</li><li>饱和电流≥800mA。</li></ul>
</td>
<td class="cellrowborder" valign="top" width="34.25%" headers="mcps1.2.4.1.3 "><p id="p1839753192812"><a name="p1839753192812"></a><a name="p1839753192812"></a>建议选用Rdc较小的功率电感（Rdc增大会导致功耗增加，效率变低，Rdc从0.1Ω增加到0.2Ω，重载效率会降低1~2个百分点</p>
<p id="p0141194017159"><a name="p0141194017159"></a><a name="p0141194017159"></a>）。</p>
</td>
</tr>
</tbody>
</table>

