{"id":66041,"date":"2026-01-26T07:33:02","date_gmt":"2026-01-25T23:33:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/66041.html"},"modified":"2026-01-26T07:33:02","modified_gmt":"2026-01-25T23:33:02","slug":"ai%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%be%9b%e7%94%b5%e9%9d%a9%e5%91%bd%ef%bc%9a%e4%b8%ba%e4%bd%95%e4%ba%a4%e9%94%99%e5%b9%b6%e8%81%94buck%e6%88%90%e4%b8%ba%e7%ae%97%e5%8a%9b%e6%97%b6%e4%bb%a3%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/66041.html","title":{"rendered":"AI\u670d\u52a1\u5668\u4f9b\u7535\u9769\u547d\uff1a\u4e3a\u4f55\u4ea4\u9519\u5e76\u8054Buck\u6210\u4e3a\u7b97\u529b\u65f6\u4ee3\u7684\u5fc5\u7136\u9009\u62e9"},"content":{"rendered":"<h3>\u5f15\u8a00&#xff1a;\u5f53\u7b97\u529b\u9700\u6c42\u649e\u4e0a\u7269\u7406\u5b66\u7684\u5899<\/h3>\n<p>\u6570\u636e\u4e2d\u5fc3\u673a\u623f\u7684\u4f4e\u9e23&#xff0c;\u5982\u4eca\u5df2\u6f14\u53d8\u4e3aAI\u7b97\u529b\u6d2a\u6d41\u7684\u5486\u54ee\u3002\u6839\u636eSynergy Research Group\u7684\u6570\u636e&#xff0c;2023\u5e74\u5168\u7403\u8d85\u5927\u89c4\u6a21\u6570\u636e\u4e2d\u5fc3\u6570\u91cf\u5df2\u7a81\u7834900\u5ea7&#xff0c;\u5176\u4e2d\u7528\u4e8eAI\u8bad\u7ec3\u7684\u7b97\u529b\u96c6\u7fa4\u6b63\u4ee5\u6bcf\u5e74\u8d85\u8fc750%\u7684\u590d\u5408\u589e\u957f\u7387\u81a8\u80c0\u3002\u4e00\u4e2a\u66f4\u5177\u51b2\u51fb\u529b\u7684\u4e8b\u5b9e\u662f&#xff1a;\u5355\u9897NVIDIA H100 GPU\u7684\u5cf0\u503c\u529f\u8017\u5df2\u7a81\u7834700\u74e6&#xff0c;\u800c\u4e00\u4e2a\u6ee1\u8f7d8\u9897H100\u7684DGX\u670d\u52a1\u5668\u8282\u70b9&#xff0c;\u77ac\u65f6\u529f\u7387\u9700\u6c42\u53ef\u8fbe6\u5343\u74e6\u4ee5\u4e0a\u3002\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u6570\u5b57&#xff0c;\u5b83\u610f\u5473\u7740\u4f9b\u7535\u7f51\u7edc\u5fc5\u987b\u5728\u5fae\u79d2\u7ea7\u522b\u5185&#xff0c;\u7a33\u5b9a\u3001\u9ad8\u6548\u5730\u5e94\u5bf9\u9ad8\u8fbe\u6570\u5343\u5b89\u57f9\u7684\u7535\u6d41\u77ac\u6001\u53d8\u5316\u3002<\/p>\n<p>\u4f20\u7edf\u7684\u5355\u76f8\u6216\u7b80\u5355\u591a\u76f8Buck\u53d8\u6362\u5668\u5728\u6b64\u7b49\u4e25\u82db\u9700\u6c42\u9762\u524d\u5df2\u6349\u895f\u89c1\u8098\u3002\u5de5\u7a0b\u5e08\u4eec\u53d1\u73b0&#xff0c;\u5373\u4fbf\u4f7f\u7528\u6700\u5148\u8fdb\u7684\u529f\u7387MOSFET\u548c\u63a7\u5236\u5668&#xff0c;\u7eb9\u6ce2\u566a\u58f0\u5e72\u6270\u5bfc\u81f4\u7684\u8ba1\u7b97\u9519\u8bef\u3001\u56e0\u5c40\u90e8\u8fc7\u70ed\u5f15\u53d1\u7684\u7cfb\u7edf\u964d\u9891\u3001\u4ee5\u53ca\u4e3a\u4e86\u6563\u70ed\u800c\u4ed8\u51fa\u7684\u5de8\u5927\u7a7a\u95f4\u4e0e\u80fd\u8017\u4ee3\u4ef7&#xff0c;\u6b63\u6210\u4e3a\u69a8\u53d6AI\u82af\u7247\u6781\u9650\u7b97\u529b\u7684\u4e3b\u8981\u74f6\u9888\u3002<\/p>\n<p>\u6838\u5fc3\u8bba\u70b9&#xff1a;<\/p>\n<li>\u7eb9\u6ce2\u6291\u5236\u7684\u7269\u7406\u6781\u9650&#xff1a;\u4ea4\u9519\u5e76\u8054\u6280\u672f\u901a\u8fc7\u7cbe\u786e\u7684\u76f8\u4f4d\u5ef6\u65f6&#xff0c;\u4ece\u6839\u6e90\u4e0a\u5b9e\u73b0\u4e86\u8f93\u5165\/\u8f93\u51fa\u7eb9\u6ce2\u7684\u4e3b\u52a8\u62b5\u6d88&#xff0c;\u8fd9\u662f\u6ee1\u8db3AI\u82af\u7247\u4e9a\u6beb\u4f0f\u7ea7\u7535\u6e90\u566a\u58f0\u5bb9\u9650\u7684\u552f\u4e00\u9ad8\u6548\u9014\u5f84\u3002<\/li>\n<li>\u70ed\u7ba1\u7406\u7684\u7cfb\u7edf\u91cd\u6784&#xff1a;\u5b83\u5c06\u96c6\u4e2d\u53d1\u70ed\u5206\u6563\u4e3a\u591a\u4e2a\u53ef\u7ba1\u7406\u7684\u201c\u70ed\u6e90\u201d&#xff0c;\u7ed3\u5408\u70ed-\u7535\u534f\u540c\u8bbe\u8ba1&#xff0c;\u76f4\u63a5\u51b3\u5b9a\u4e86\u7cfb\u7edf\u7684\u529f\u7387\u5bc6\u5ea6\u4e0e\u957f\u671f\u53ef\u9760\u6027\u3002<\/li>\n<li>\u52a8\u6001\u54cd\u5e94\u7684\u67b6\u6784\u4f18\u52bf&#xff1a;\u591a\u76f8\u4ea4\u9519\u7b49\u540c\u4e8e\u5c06\u4e00\u4e2a\u5927\u7535\u611f\u201c\u7b49\u6548\u5206\u5272\u201d&#xff0c;\u5927\u5e45\u63d0\u5347\u4e86\u73af\u8def\u5e26\u5bbd&#xff0c;\u4f7f\u7535\u6e90\u80fd\u591f\u50cf\u201c\u8fc5\u6377\u7684\u4ec6\u4ece\u201d\u4e00\u6837&#xff0c;\u8ddf\u4e0aAI\u82af\u7247\u8d1f\u8f7d\u77ac\u606f\u4e07\u53d8\u7684\u6b65\u4f10\u3002<\/li>\n<p>\u672c\u6587\u5c06\u5e26\u60a8\u7a7f\u900f\u201c\u4ea4\u9519\u5e76\u8054\u201d\u8fd9\u4e00\u6280\u672f\u540d\u8bcd\u7684\u8868\u9762&#xff0c;\u4ece\u7269\u7406\u5b66\u3001\u63a7\u5236\u8bba\u548c\u7cfb\u7edf\u5de5\u7a0b\u7684\u4ea4\u53c9\u89c6\u89d2&#xff0c;\u6df1\u5ea6\u5256\u6790\u5176\u6210\u4e3aAI\u670d\u52a1\u5668\u7535\u6e90\u201c\u5fc3\u810f\u201d\u7684\u5fc5\u7136\u903b\u8f91\u3002\u60a8\u5c06\u4e0d\u4ec5\u7406\u89e3\u201c\u4e3a\u4ec0\u4e48\u201d&#xff0c;\u66f4\u5c06\u638c\u63e1\u4e00\u5957\u57fa\u4e8e\u56db\u8c61\u9650\u5206\u6790\u6cd5\u3001MECE\u539f\u5219\u548cSMART\u76ee\u6807\u7684\u7cfb\u7edf\u7ea7\u8bbe\u8ba1\u8bc4\u4f30\u6846\u67b6&#xff0c;\u5e76\u900f\u8fc7\u5934\u90e8\u5382\u5546\u7684\u771f\u5b9e\u6848\u4f8b&#xff0c;\u770b\u6e05\u672a\u6765\u9ad8\u5bc6\u5ea6\u4f9b\u7535\u7684\u6280\u672f\u6f14\u8fdb\u8def\u5f84\u3002<\/p>\n<hr \/>\n<h3>\u7b2c\u4e00\u7ae0&#xff1a;\u7406\u8bba\u57fa\u77f3\u2014\u2014\u4ea4\u9519\u5e76\u8054\u7684\u7269\u7406\u5b66\u4e0e\u4f18\u5316\u6570\u5b66<\/h3>\n<h4>1.1 \u7eb9\u6ce2\u62b5\u6d88&#xff1a;\u4ece\u65f6\u95f4\u57df\u5230\u9891\u7387\u57df\u7684\u4f18\u96c5\u821e\u8e48<\/h4>\n<p>\u4efb\u4f55\u5f00\u5173\u7535\u6e90\u7684\u7535\u6d41\u7eb9\u6ce2\u90fd\u6e90\u4e8e\u529f\u7387\u5668\u4ef6\u7684\u5468\u671f\u6027\u5f00\u5173\u52a8\u4f5c\u3002\u5bf9\u4e8e\u5360\u7a7a\u6bd4\u4e3aD\u7684\u5355\u76f8Buck\u53d8\u6362\u5668&#xff0c;\u5176\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u5cf0\u5cf0\u503c\u516c\u5f0f\u4e3a&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"\\\\Delta I_L &#061; \\\\frac{(V_{in} - V_{out}) \\\\cdot D}{f_{sw} \\\\cdot L}\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125233300-6976a82c9289f.png\" \/><\/p>\n<p>\u5176\u4e2d&#xff0c;(f_{sw})\u4e3a\u5f00\u5173\u9891\u7387&#xff0c;L\u4e3a\u7535\u611f\u611f\u91cf\u3002\u5176\u8f93\u51fa\u7eb9\u6ce2\u7535\u538b\u76f4\u63a5\u4e0e\u6b64\u7535\u6d41\u7eb9\u6ce2\u76f8\u5173\u3002<\/p>\n<p>\u4ea4\u9519\u5e76\u8054&#xff08;Interleaving&#xff09;\u7684\u6838\u5fc3\u601d\u60f3&#xff0c;\u662f\u5c06N\u4e2a\u76f8\u540c\u7684Buck\u53d8\u6362\u5668\u5e76\u8054&#xff0c;\u4f46\u4f7f\u5b83\u4eec\u7684\u63a7\u5236\u65f6\u949f&#xff08;\u5f00\u5173\u4fe1\u53f7&#xff09;\u4f9d\u6b21\u9519\u5f00 (360^\\\\circ \/ N) \u7684\u76f8\u4f4d\u3002\u8fd9\u4e00\u64cd\u4f5c\u7684\u5999\u5904&#xff0c;\u4f53\u73b0\u5728\u53e0\u52a0\u539f\u7406\u4e0a\u3002<\/p>\n<p>\u4ee5\u4e24\u76f8\u4ea4\u9519\u4e3a\u4f8b&#xff1a;<\/p>\n<ul>\n<li>\u5355\u4e2a\u76f8\u4f4d\u7684\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u6ce2\u5f62\u5cf0\u503c\u4e3a (\\\\Delta I_L)&#xff0c;\u5f62\u72b6\u4e3a\u4e09\u89d2\u6ce2\u3002<\/li>\n<li>\u5f53\u4e24\u76f8\u76f8\u4f4d\u5dee180\u00b0\u65f6&#xff0c;\u4e00\u76f8\u7535\u6d41\u4e0a\u5347\u65f6\u53e6\u4e00\u76f8\u7535\u6d41\u4e0b\u964d\u3002\u5b83\u4eec\u5728\u8f93\u51fa\u7535\u5bb9\u5904\u6c47\u603b\u3002<\/li>\n<li>\u603b\u8f93\u51fa\u7535\u6d41\u662f\u4e24\u76f8\u7535\u6d41\u4e4b\u548c\u3002\u901a\u8fc7\u6570\u5b66\u63a8\u5bfc&#xff08;\u57fa\u4e8e\u5085\u91cc\u53f6\u5206\u6790&#xff09;&#xff0c;\u603b\u8f93\u51fa\u7535\u6d41\u7684\u7eb9\u6ce2\u9891\u7387\u52a0\u500d&#xff08;\u53d8\u4e3a (2 \\\\times f_{sw})&#xff09;&#xff0c;\u800c\u7eb9\u6ce2\u5e45\u503c\u663e\u8457\u964d\u4f4e\u3002<\/li>\n<\/ul>\n<p>\u5176\u7eb9\u6ce2\u62b5\u6d88\u7cfb\u6570 (k_r(N)) \u53ef\u4ee5\u8868\u793a\u4e3a&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"k_r(N) &#061; \\\\frac{\\\\sin(\\\\pi D) \\\\cdot \\\\sin(\\\\pi \/ N)}{N \\\\cdot \\\\sin(\\\\pi D \/ N)}\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125233300-6976a82ca10cd.png\" \/><\/p>\n<p>\u5728\u7406\u60f3\u5360\u7a7a\u6bd4D&#061;0.5\u65f6&#xff0c;\u4e24\u76f8\u4ea4\u9519&#xff08;N&#061;2&#xff09;\u7684\u7eb9\u6ce2\u7406\u8bba\u503c\u53ef\u964d\u81f3\u5355\u76f8\u7684 25%&#xff0c;\u56db\u76f8\u4ea4\u9519&#xff08;N&#061;4&#xff09;\u5219\u53ef\u964d\u81f3\u7ea6 6%\u3002<\/p>\n<p>\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u91cf\u7684\u51cf\u5c11&#xff0c;\u66f4\u662f\u8d28\u7684\u98de\u8dc3&#xff1a;<\/p>\n<ul>\n<li>\u9891\u57df\u63d0\u5347&#xff1a;\u7eb9\u6ce2\u57fa\u9891\u79fb\u81f3N\u500d\u5f00\u5173\u9891\u7387&#xff0c;\u66f4\u6613\u88ab\u9ad8\u9891\u7279\u6027\u66f4\u597d\u7684\u9676\u74f7\u7535\u5bb9\u6ee4\u9664\u3002<\/li>\n<li>\u7535\u5bb9\u5e94\u529b\u51cf\u5c0f&#xff1a;\u6240\u9700\u627f\u7eb9\u6ce2\u7535\u6d41\u7684\u7535\u5bb9\u5bb9\u91cf\u548c\u4f53\u79ef\u53ef\u4ee5\u5927\u5e45\u7f29\u51cf&#xff0c;\u8fd9\u5bf9\u9ad8\u5bc6\u5ea6\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n<p>\/\/ \u4f2a\u4ee3\u7801&#xff1a;\u4e24\u76f8\u4ea4\u9519Buck PWM\u751f\u6210\u903b\u8f91 (\u57fa\u4e8e\u5b9a\u65f6\u5668\u4e2d\u65ad)<br \/>\n#define PHASE_NUM 2<br \/>\nuint16_t phase_shift_degree[PHASE_NUM] &#061; {0, 180}; \/\/ \u76f8\u4f4d\u5dee\u5b9a\u4e49<\/p>\n<p>void PWM_Init() {<br \/>\n    Timer_Config master_timer(FREQ_SW); \/\/ \u4e3b\u5f00\u5173\u9891\u7387<br \/>\n    for (int i &#061; 0; i &lt; PHASE_NUM; i&#043;&#043;) {<br \/>\n        PWM_Channel_Config channel_i;<br \/>\n        channel_i.base_timer &#061; &amp;master_timer;<br \/>\n        channel_i.phase_offset &#061; (master_timer.period * phase_shift_degree[i]) \/ 360; \/\/ \u8ba1\u7b97\u76f8\u4f4d\u504f\u79fb\u8ba1\u6570<br \/>\n        channel_i.duty_cycle &#061; calculate_duty(Vin, Vout); \/\/ \u7edf\u4e00\u5360\u7a7a\u6bd4<br \/>\n        enable_channel(channel_i); \/\/ \u4f7f\u80fdPWM\u901a\u9053<br \/>\n    }<br \/>\n}<\/p>\n<h4>1.2 \u70ed\u529b\u5b66\u4e0e\u529f\u7387\u5bc6\u5ea6&#xff1a;\u5206\u6563\u7684\u827a\u672f<\/h4>\n<p>\u7126\u8033\u5b9a\u5f8b<img decoding=\"async\" alt=\"P_{loss} &#061; I^2 \\\\times R_{ds(on)}\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125233300-6976a82cad520.png\" \/>\u6e05\u695a\u5730\u8868\u660e&#xff0c;\u5bfc\u901a\u635f\u8017\u4e0e\u7535\u6d41\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\u3002\u5728\u5355\u76f8\u5927\u7535\u6d41\u65b9\u6848\u4e2d&#xff0c;\u6240\u6709\u635f\u8017\u96c6\u4e2d\u5728\u4e00\u4e2a\u6216\u5c11\u6570\u51e0\u4e2a\u529f\u7387\u56de\u8def\u4e0a&#xff0c;\u5bfc\u81f4\u5c40\u90e8\u70ed\u6d41\u5bc6\u5ea6\u6781\u9ad8&#xff0c;\u5f62\u6210\u201c\u70ed\u70b9\u201d&#xff08;Hot Spot&#xff09;\u3002<\/p>\n<p>\u4ea4\u9519\u5e76\u8054\u901a\u8fc7 \u201c\u5206\u6d41\u201d \u5b9e\u73b0\u4e86 \u201c\u5206\u70ed\u201d\u3002\u5047\u8bbe\u603b\u7535\u6d41\u4e3a (I_{total})&#xff0c;\u91c7\u7528N\u76f8\u4ea4\u9519&#xff0c;\u6bcf\u76f8\u5e73\u5747\u7535\u6d41\u4e3a (I_{total}\/N)\u3002\u90a3\u4e48&#xff0c;\u5355\u76f8\u5bfc\u901a\u635f\u8017\u53d8\u4e3a&#xff1a;<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" alt=\"P_{loss_phase} &#061; (I_{total}\/N)^2 \\\\times R_{ds(on)} &#061; \\\\frac{1}{N^2} \\\\times I_{total}^2 \\\\times R_{ds(on)}\" class=\"mathcode\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125233300-6976a82cb928f.png\" \/><\/p>\n<p>\u603b\u5bfc\u901a\u635f\u8017\u4e3a\u5355\u76f8\u7684 (1\/N)\u3002\u66f4\u91cd\u8981\u7684\u662f&#xff0c;\u53d1\u70ed\u6e90\u4ece1\u4e2a\u53d8\u4e3aN\u4e2a&#xff0c;\u5747\u5300\u5206\u5e03\u5728PCB\u4e0a&#xff0c;\u6563\u70ed\u9762\u79ef\u6709\u6548\u589e\u52a0&#xff0c;\u6781\u5927\u964d\u4f4e\u4e86\u6563\u70ed\u8bbe\u8ba1\u7684\u96be\u5ea6\u548c\u98ce\u51b7\u9700\u6c42\u7684\u529f\u8017\u3002\u8fd9\u662f\u5b9e\u73b0\u529f\u7387\u5bc6\u5ea6&#xff08;W\/in\u00b3&#xff09;\u7a81\u7834\u7684\u5173\u952e\u3002<\/p>\n<p>\u4e3a\u4e86\u7cfb\u7edf\u8bc4\u4f30\u70ed\u8bbe\u8ba1\u6311\u6218&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5f15\u5165 \u56db\u8c61\u9650\u5206\u6790\u6cd5 \u8fdb\u884c\u95ee\u9898\u8bca\u65ad&#xff1a;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"572\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125233300-6976a82cc7a95.png\" width=\"922\" \/><\/p>\n<p>\u5982\u56fe\u6240\u793a&#xff0c;\u4f20\u7edf\u65b9\u6848\u6df1\u9677\u201c\u80fd\u529b-\u8d44\u6e90\u201d\u53cc\u91cd\u56f0\u5883&#xff0c;\u800c\u4ea4\u9519\u5e76\u8054\u901a\u8fc7\u67b6\u6784\u4f18\u5316&#xff0c;\u5c06\u95ee\u9898\u79fb\u5411\u201c\u8d44\u6e90-\u52a8\u673a\u201d\u8c61\u9650&#xff0c;\u6210\u4e3a\u66f4\u5177\u53ef\u884c\u6027\u7684\u9ad8\u6548\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<hr \/>\n<h3>\u7b2c\u4e8c\u7ae0&#xff1a;\u5b9e\u6218\u89e3\u7801\u2014\u2014\u4ece\u5b9e\u9a8c\u5ba4\u5230\u6570\u636e\u4e2d\u5fc3\u7684\u7cfb\u7edf\u6743\u8861<\/h3>\n<p>\u6211\u4eec\u9009\u62e9\u4ee5 NVIDIA \u7684 DGX \u7cfb\u7edf \u4f5c\u4e3a\u8d2f\u7a7f\u6848\u4f8b\u3002\u4f5c\u4e3aAI\u670d\u52a1\u5668\u7684\u6807\u6746&#xff0c;\u5176\u4f9b\u7535\u67b6\u6784\u7684\u6f14\u8fdb\u6781\u5177\u4ee3\u8868\u6027\u3002<\/p>\n<h4>2.1 \u6848\u4f8b\u6df1\u5ea6\u7814\u7a76&#xff1a;\u4eceDGX A100\u5230DGX H100\u7684\u4f9b\u7535\u67b6\u6784\u6f14\u8fdb<\/h4>\n<p>\u80cc\u666f\u4e0e\u6311\u6218&#xff1a;<\/p>\n<ul>\n<li>\u6838\u5fc3\u77db\u76fe&#xff1a;\u5982\u4f55\u57281U\/2U\u7684\u6709\u9650\u7a7a\u95f4\u5185&#xff0c;\u4e3aTDP\u6301\u7eed\u98d9\u5347\u7684GPU\u63d0\u4f9b\u201c\u96f6\u59a5\u534f\u201d\u7684\u4f9b\u7535\u8d28\u91cf&#xff0c;\u540c\u65f6\u786e\u4fdd\u7cfb\u7edf\u5728\u6ee1\u8d1f\u8377\u4e0b\u7684\u957f\u671f\u53ef\u9760\u8fd0\u884c\u3002<\/li>\n<li>\u91cf\u5316\u6570\u636e&#xff08;DGX A100&#xff09;&#xff1a;\u5355\u9897A100 GPU TDP\u4e3a400W&#xff0c;8\u9897GPU\u5cf0\u503c\u9700\u6c42\u8d853.2kW\u3002\u5b9e\u6d4b\u5176\u6838\u5fc3\u7535\u6e90&#xff08;VDD&#xff09;\u8d1f\u8f7d\u9636\u8dc3&#xff08;Load Step&#xff09;\u901f\u7387\u9ad8\u8fbe500A\/\u03bcs&#xff0c;\u7535\u6d41\u77ac\u6001\u5cf0\u503c\u8d85600A\u3002\u7eb9\u6ce2\u566a\u58f0\u82e5\u63a7\u5236\u4e0d\u5f53&#xff0c;\u5c06\u76f4\u63a5\u5bfc\u81f4GPU\u5185\u90e8\u6570\u4ee5\u4e07\u8ba1\u7684\u8ba1\u7b97\u6838\u5fc3&#xff08;CUDA Core&#xff09;\u53d1\u751f\u65f6\u5e8f\u9519\u8bef\u6216\u8ba1\u7b97\u7cbe\u5ea6\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u65b9\u6848&#xff08;\u4ee5VDD\u7535\u6e90\u4e3a\u4f8b&#xff09;&#xff1a;<\/p>\n<p>[\u6b65\u9aa4\u4e00&#xff1a;MECE\u67b6\u6784\u5206\u89e3] \u8bbe\u8ba1\u56e2\u961f\u9996\u5148\u8fd0\u7528 MECE\u539f\u5219 \u62c6\u89e3\u4f9b\u7535\u9700\u6c42\u3002VDD\u4f9b\u7535\u88ab\u201c\u76f8\u4e92\u72ec\u7acb&#xff0c;\u5b8c\u5168\u7a77\u5c3d\u201d\u5730\u5206\u89e3\u4e3a&#xff1a;\u7a33\u6001\u9ad8\u6548\u7387\u533a\u3001\u77ac\u6001\u5927\u7535\u6d41\u54cd\u5e94\u3001\u9ad8\u9891\u7eb9\u6ce2\u6291\u5236\u3001\u4f4e\u9891\u8d1f\u8f7d\u8c03\u6574\u3001\u6545\u969c\u9694\u79bb\u4e0e\u5747\u6d41 \u4e94\u4e2a\u5b50\u95ee\u9898\u3002<\/p>\n<ul>\n<li>\u5355\u4e00\u62d3\u6251\u65e0\u6cd5MECE\u5730\u89e3\u51b3\u6240\u6709\u95ee\u9898\u3002\u7ed3\u8bba\u662f&#xff1a;\u9700\u8981\u4e00\u4e2a \u201c\u9ad8\u9891\u591a\u76f8\u4ea4\u9519Buck &#043; \u7d27\u968f\u5176\u540e\u7684\u7ebf\u6027\u7a33\u538b\u5668&#xff08;LDO&#xff09;\u201d \u7684\u590d\u5408\u67b6\u6784\u3002\u9ad8\u9891\u591a\u76f8Buck\u8d1f\u8d23\u5904\u7406\u5927\u7535\u6d41\u548c\u4e3b\u8981\u6548\u7387&#xff0c;\u540e\u7ea7LDO&#xff08;\u6216\u79f0\u4e3a\u201c\u8d1f\u8f7d\u70b9\u5f00\u5173\u7535\u5bb9\u8f6c\u6362\u5668\u201d&#xff09;\u63d0\u4f9b\u6700\u7ec8\u7684\u7eb9\u6ce2\u201c\u5243\u9664\u201d\u3002<\/li>\n<\/ul>\n<p>[\u6b65\u9aa4\u4e8c&#xff1a;\u62d3\u6251\u9009\u62e9\u4e0e\u76f8\u4f4d\u4f18\u5316] \u5bf9\u4e8e\u524d\u7ea7Buck&#xff0c;\u56e2\u961f\u9009\u62e9\u4e86 12\u76f8\u4ea4\u9519\u5e76\u8054\u62d3\u6251\u3002\u76f8\u4f4d\u6570\u7684\u786e\u5b9a\u57fa\u4e8eSMART\u539f\u5219&#xff1a;<\/p>\n<ul>\n<li>\u5177\u4f53 (S)&#xff1a;\u76ee\u6807\u662f\u5c06PCB\u5e73\u9762\u4e0a\u7684\u7535\u611f\u7535\u6d41\u7eb9\u6ce2\u5cf0\u503c\u964d\u4f4e\u81f3\u5355\u76f8\u76841%\u4ee5\u5185&#xff0c;\u5e76\u5c06\u6709\u6548\u7eb9\u6ce2\u9891\u7387\u63a8\u81f32MHz\u4ee5\u4e0a\u3002<\/li>\n<li>\u53ef\u8861\u91cf (M)&#xff1a;\u901a\u8fc7\u4eff\u771f\u548c\u539f\u578b\u6d4b\u8bd5&#xff0c;\u6d4b\u91cf\u5f00\u5173\u8282\u70b9\u566a\u58f0\u548c\u8f93\u51fa\u7eb9\u6ce2\u3002<\/li>\n<li>\u53ef\u5b9e\u73b0 (A)&#xff1a;\u4f7f\u7528\u5f53\u65f6\u6210\u719f\u7684\u3001\u652f\u630112\u76f8\u7684\u6570\u5b57\u591a\u76f8\u63a7\u5236\u5668&#xff08;\u5982Infineon XDPE\u6216MPS HR-1000\u7cfb\u5217&#xff09;\u548c\u529f\u7387\u7ea7\u3002<\/li>\n<li>\u76f8\u5173 (R)&#xff1a;\u76f4\u63a5\u5173\u8054GPU\u7684\u8ba1\u7b97\u7a33\u5b9a\u6027\u4e0e\u8d85\u9891\u6f5c\u529b\u3002<\/li>\n<li>\u6709\u65f6\u9650 (T)&#xff1a;\u5728\u82af\u7247\u8bbe\u8ba1\u5468\u671f\u5185\u5b8c\u6210\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n<p>[\u6b65\u9aa4\u4e09&#xff1a;\u70ed-\u7535\u534f\u540c\u8bbe\u8ba1] 12\u4e2a\u529f\u7387\u7535\u611f\u4e0eMOSFET\u88ab\u4e25\u683c\u6309\u5bf9\u79f0\u7f51\u683c\u5e03\u5c40&#xff0c;\u4e0b\u65b9\u5bf9\u5e94\u5de8\u5927\u7684\u6563\u70ed\u5747\u70ed\u677f&#xff08;Vapor Chamber&#xff09;\u3002\u70ed\u4eff\u771f\u4e0e\u7535\u6c14\u540c\u6b65\u8fdb\u884c&#xff0c;\u786e\u4fdd\u65e0\u5c40\u90e8\u70ed\u70b9\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"656\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260125233301-6976a82d00fa3.png\" width=\"939\" \/><\/p>\n<p>\u5b9e\u65bd\u6210\u679c&#xff1a;<\/p>\n<ul>\n<li>\u76f4\u63a5\u6548\u679c&#xff1a;DGX A100\u7684GPU\u4f9b\u7535\u7f51\u7edc\u5b9e\u73b0\u4e86&gt;95%\u7684\u5cf0\u503c\u6548\u7387&#xff0c;\u6838\u5fc3\u7535\u538b\u7eb9\u6ce2\u88ab\u63a7\u5236\u5728\u00b12mV\u4ee5\u5185&#xff0c;\u5b8c\u5168\u6ee1\u8db3GPU\u82db\u523b\u7684\u7535\u6e90\u566a\u58f0\u8981\u6c42\u3002\u76f8\u5bf9\u4e8e\u524d\u4ee3\u975e\u4ea4\u9519\u4f18\u5316\u7684\u8bbe\u8ba1&#xff0c;\u5728\u76f8\u540c\u7535\u6d41\u4e0b&#xff0c;\u7535\u611f\u6e29\u5347\u964d\u4f4e\u4e86\u8d85\u8fc725\u00b0C\u3002<\/li>\n<li>\u957f\u671f\u4ef7\u503c&#xff1a;\u8fd9\u5957\u4f9b\u7535\u67b6\u6784\u5960\u5b9a\u4e86NVIDIA\u9ad8\u7aef\u8ba1\u7b97\u5e73\u53f0\u7684\u57fa\u7840&#xff0c;\u5176\u9ad8\u53ef\u9760\u6027&#xff08;MTBF\u5927\u5e45\u63d0\u5347&#xff09;\u4f7f\u5f97\u8d85\u5927\u89c4\u6a21\u6570\u636e\u4e2d\u5fc3\u80fd\u591f\u653e\u5fc3\u5730\u90e8\u7f72\u6210\u5343\u4e0a\u4e07\u4e2a\u8282\u70b9\u8fdb\u884c7&#215;24\u5c0f\u65f6\u8bad\u7ec3&#xff0c;\u76f4\u63a5\u652f\u6491\u4e86ChatGPT\u7b49\u5927\u6a21\u578b\u7684\u8bde\u751f\u3002<\/li>\n<\/ul>\n<p>\u6f14\u8fdb\u81f3H100&#xff1a;\u5f53H100 GPU TDP\u8dc3\u5347\u81f3700W&#xff0c;\u5176\u4f9b\u7535\u9700\u6c42\u66f4\u4e3a\u6050\u6016\u3002NVIDIA\u7684\u89e3\u51b3\u65b9\u6848\u662f \u8fdb\u4e00\u6b65\u589e\u52a0\u4ea4\u9519\u76f8\u4f4d\u6570&#xff08;\u598216\u76f8\u6216\u66f4\u591a&#xff09;\u5e76\u63d0\u5347\u5f00\u5173\u9891\u7387&#xff0c;\u540c\u65f6\u5f15\u5165\u4e86\u66f4\u7cbe\u7ec6\u7684 \u81ea\u9002\u5e94\u76f8\u4f4d\u7ba1\u7406&#xff08;Adaptive Phase Shedding&#xff09;\u3002<\/p>\n<ul>\n<li>\u8f7b\u8f7d\u65f6&#xff0c;\u4e3b\u52a8\u5173\u95ed\u90e8\u5206\u76f8\u4f4d&#xff0c;\u5c06\u5269\u4f59\u76f8\u4f4d\u7684\u5de5\u4f5c\u70b9\u79fb\u81f3\u66f4\u9ad8\u6548\u7387\u533a\u95f4\u3002<\/li>\n<li>\u91cd\u8f7d\u77ac\u6001\u65f6&#xff0c;\u6240\u6709\u76f8\u4f4d\u4ee5\u7eb3\u79d2\u7ea7\u5ef6\u8fdf\u540c\u65f6\u54cd\u5e94&#xff0c;\u63d0\u4f9b\u6700\u5927\u7535\u6d41\u80fd\u529b\u3002<\/li>\n<li>\u8fd9\u79cd\u52a8\u6001\u91cd\u6784\u80fd\u529b&#xff0c;\u662f\u4f20\u7edf\u56fa\u5b9a\u76f8\u4f4d\u67b6\u6784\u65e0\u6cd5\u5b9e\u73b0\u7684&#xff0c;\u5b83\u5b8c\u7f8e\u4f53\u73b0\u4e86\u4ea4\u9519\u5e76\u8054\u5728 \u201c\u6548\u7387\u201d\u4e0e\u201c\u6027\u80fd\u201d \u4e4b\u95f4\u7684\u5f39\u6027\u4f18\u52bf\u3002<\/li>\n<\/ul>\n<h4>2.2 \u7cfb\u7edf\u7ea7\u6743\u8861\u6846\u67b6&#xff1a;\u6548\u7387\u3001\u5bc6\u5ea6\u4e0e\u6210\u672c\u7684\u94c1\u4e09\u89d2<\/h4>\n<p>\u6ca1\u6709\u514d\u8d39\u7684\u5348\u9910\u3002\u4ea4\u9519\u5e76\u8054\u5e26\u6765\u4e86\u6027\u80fd\u98de\u8dc3&#xff0c;\u4e5f\u5f15\u5165\u4e86\u65b0\u7684\u6743\u8861\u70b9\u3002\u4e00\u4e2a\u4e13\u4e1a\u7684\u7535\u6e90\u67b6\u6784\u5e08\u5fc5\u987b\u8fd0\u7528\u7cfb\u7edf\u601d\u7ef4\u8fdb\u884c\u8bc4\u4f30\u3002<\/p>\n<p>1&#xff09;\u6548\u7387 (Efficiency) vs. \u6210\u672c\/\u590d\u6742\u6027 (Cost\/Complexity)&#xff1a;<\/p>\n<ul>\n<li>\u66f4\u591a\u76f8\u4f4d\u610f\u5473\u7740\u66f4\u591a\u7684\u529f\u7387\u7ea7&#xff08;MOSFET\u3001\u7535\u611f\u3001\u9a71\u52a8&#xff09;&#xff0c;BOM\u6210\u672c\u4e0a\u5347\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\u91c7\u7528 \u96c6\u6210\u5316\u529f\u7387\u7ea7 (Power Stage) \u6216 DrMOS&#xff0c;\u5c06\u9a71\u52a8\u5668\u548cMOSFET\u5c01\u88c5\u4e00\u4f53&#xff0c;\u8282\u7701\u9762\u79ef&#xff0c;\u4f18\u5316\u5bc4\u751f\u53c2\u6570&#xff0c;\u6709\u65f6\u53cd\u800c\u80fd\u5728\u7cfb\u7edf\u5c42\u9762\u964d\u4f4e\u6210\u672c\u3002<\/li>\n<\/ul>\n<p>2&#xff09;\u529f\u7387\u5bc6\u5ea6 (Power Density) vs. \u6563\u70ed\u80fd\u529b (Thermal)&#xff1a;<\/p>\n<ul>\n<li>\u76f8\u4f4d\u8d8a\u591a&#xff0c;\u7406\u8bba\u4e0a\u70ed\u5206\u5e03\u8d8a\u597d&#xff0c;\u4f46\u6240\u9700\u7684\u603bPCB\u9762\u79ef\u4e5f\u8d8a\u5927\u3002<\/li>\n<li>\u89e3\u51b3\u65b9\u6848&#xff1a;\u91c7\u7528 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\u5148\u8fdb\u6570\u5b57\u63a7\u5236&#xff08;\u5982\u57fa\u4e8ePID\u6216\u72b6\u6001\u7a7a\u95f4\u7684\u6570\u5b57\u8865\u507f\u5668&#xff09;&#xff0c;\u5e76\u5f15\u5165\u8f93\u5165\u7535\u538b\u524d\u9988&#xff08;Feedforward&#xff09;&#xff0c;\u5728\u4fdd\u6301\u5feb\u901f\u54cd\u5e94\u7684\u540c\u65f6&#xff0c;\u7cbe\u786e\u63a7\u5236\u7a33\u5b9a\u6027\u88d5\u5ea6\u3002<\/li>\n<\/ul>\n<p>\/\/ \u7b80\u5316\u6570\u5b57PID\u63a7\u5236\u4ee3\u7801\u793a\u4f8b&#xff08;\u7528\u4e8e\u5355\u7535\u538b\u73af&#xff09;<br \/>\ntypedef struct {<br \/>\n    float Kp, Ki, Kd; \/\/ PID\u53c2\u6570<br \/>\n    float integral_sum;<br \/>\n    float prev_error;<br \/>\n} PID_Controller;<\/p>\n<p>float PID_Update(PID_Controller* pid, float setpoint, float feedback, float dt) {<br \/>\n    float error &#061; setpoint &#8211; feedback;<br \/>\n    pid-&gt;integral_sum &#043;&#061; error * dt;<br \/>\n    float derivative &#061; (error &#8211; pid-&gt;prev_error) \/ dt;<br \/>\n    pid-&gt;prev_error &#061; error;<br \/>\n    return (pid-&gt;Kp * error) &#043; (pid-&gt;Ki * pid-&gt;integral_sum) &#043; (pid-&gt;Kd * derivative);<br \/>\n}<br \/>\n\/\/ \u591a\u76f8\u63a7\u5236\u5668\u4f1a\u4e3a\u6bcf\u76f8\u5206\u914d\u4e00\u4e2a\u8fd9\u6837\u7684\u8ba1\u7b97\u5b9e\u4f8b&#xff0c;\u5e76\u6c47\u603b\u7ed3\u679c\u8fdb\u884cPWM\u8c03\u5236\u3002<\/p>\n<hr \/>\n<h3>\u7b2c\u4e09\u7ae0&#xff1a;\u8d85\u8d8a\u62d3\u6251\u2014\u2014\u672a\u6765AI\u4f9b\u7535\u7cfb\u7edf\u7684\u524d\u6cbf\u77ad\u671b<\/h3>\n<p>\u4ea4\u9519\u5e76\u8054Buck\u662f\u5f53\u4e0b\u7684\u738b\u8005&#xff0c;\u4f46\u6280\u672f\u7684\u8fdb\u5316\u6c38\u4e0d\u505c\u6b62\u3002AI\u7b97\u529b\u7684\u201c\u6469\u5c14\u5b9a\u5f8b\u201d\u6b63\u5012\u903c\u4f9b\u7535\u7f51\u7edc\u8fdb\u884c\u66f4\u6fc0\u8fdb\u7684\u9769\u65b0\u3002<\/p>\n<h4>3.1 \u4e09\u7ef4\u96c6\u6210\u4f9b\u7535&#xff08;3D Power Delivery&#xff09;&#xff1a;\u6700\u540e\u7684\u6beb\u7c73<\/h4>\n<p>\u5f53\u82af\u7247\u5c01\u88c5\u4ece2.5D&#xff08;CoWoS&#xff09;\u8d70\u5411\u771f\u6b63\u76843D\u5806\u53e0&#xff0c;\u4f9b\u7535\u4e5f\u5fc5\u987b\u4ecePCB\u5c42\u9762\u201c\u722c\u4e0a\u201d\u82af\u7247&#xff0c;\u8fdb\u5165\u5c01\u88c5\u5185&#xff08;In-Package&#xff09; \u751a\u81f3 \u82af\u7247\u80cc\u9762&#xff08;Back-Side&#xff09;\u3002<\/p>\n<ul>\n<li>\u7845\u57fa\u7535\u5bb9&#xff08;Silicon 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