图22. 短路电路的+12V启动电流
Ch1 = Q8BASE, Ch2 = VOUT, Ch3 = VGATE, Ch4 = IOUT
注释：触发时的5.7A负载电流。
测试PCB布板
更详细的图(PDF, 237kB)
图23. 参考设计PCB元件布局
更详细的图(PDF, 330kB)
图24. 顶层
图25. 底层
材料清单
QtyDesignatorDeSCRJPTionManufacturer and Part Number5C1, C2, C3, C4, C51µF ±10%, 25V X7R ceramic capacitors (0805)—3C6, C7, C1810nF ±10%, 25V X7R ceramic capacitors (0805)—1C856nF ±10%, 25V X7R ceramic capacitor (0805)—1C968nF ±10%, 25V X7R ceramic capacitor (0805)—1C10100nF ±10%, 25V X7R ceramic capacitor (0805)—1C1147µF ±20%, 6.3V X5R electrolytic capacitor (1210)TDK C3225X5R0J476M1C12100µF +80%, -20%; 16V Y5V ceramic capacitor (2220)TDK C5750Y5V1C107Z3C13, C14, C15470µF ±20%, 16V electrolytic capacitors—1C1615nF ±10%, 25V X7R ceramic capacitor (0805)—1C1733nF ±10%, 25V X7R ceramic capacitor (0805)—2D1, D275V, 200mW silicon diodes (SOD-323)Diodes Inc. MMBD4148WS2Q1, Q220V, 4.9A, 33mΩ n-channel MOSFETs (SOT23)Vishay Si2314BDS1Q330V, 6.9A, 33mΩ n-channel MOSFET (8-SO)Vishay Si9410BDY2Q4, Q530V, 4A, 47mΩ n-channel MOSFETs (SOT23)Vishay Si2306BDS2Q6, Q760V, 800mA bipolar PNP transistors (SOT23)Fairchild MMBT29071Q840V, 1A bipolar NPN transistor (SOT23)Fairchild MMBT2222A10R1, R2, R3, R4, R5, R24, R25, R26, R27, R32100kΩ ±5%, 1/16W thick-film resistors (0805)—1R61Ω ±5%, 1/16W thick-film resistor (0805)—2R7, R90.008Ω ±1%, 1/4W thick-film resistors (2512)—1R80.010Ω ±1%, 1/4W thick-film resistor (2512)—2R10, R1190.9kΩ ±1%, 1/16W thick-film resistors (0805)—2R12, R13133kΩ ±1%, 1/16W thick-film resistors (0805)—2R14, R1515kΩ ±1%, 1/16W thick-film resistors (0805)—3R16, R17, R184.7kΩ ±1%, 1/16W thick-film resistors (0603)—5R19, R20, R21, R22, R2310kΩ ±5%, 1/16W thick-film resistors (0805)—1R2820kΩ ±5%, 1/16W thick-film resistor (0805)—2R29, R36100kΩ ±1%, 1/16W thick-film resistors (0805)—2R30, R31910kΩ ±1%, 1/16W thick-film resistors (0805)—2R33, R351.15kΩ ±1%, 1/16W thick-film resistors (0805)—1R341.18kΩ ±1%, 1/16W thick-film resistor (0805)—1U1Quad hot-swap controller IC, 32-TQFN-EPMaxim MAX5927AETJ
*注意，图14、图17和图20使用了特殊的电流探针，只显示了真值的72%。使用可调恒流负载测量断路器电流，标出了关断时的点。
上一页 [1] [2] [3]
本文关键字：通道 热插拔 电工文摘，电工技术 - 电工文摘
