| 背光板芯片BD9215_BD9215AFV引脚功能和去保护的方法23脚是欠压保护，17脚过压保护，18脚过流保护，请切记这是维修的技巧 1PGNDGround for FET drivers2LN2NMOS FET driver3HN2NMOS FET driver4SW2Lower rail voltage for HN2 output5BST2Boot-Strap input for HN2 output6DUTY_OUTBURST signal output pin7CT_SYNC_OUTCT synchronous signal Output pin8SRTExternal resistor from SRT tort for adjusting the start-up triangle oscillator9RTExternal resistor from RT to GND for adjusting the triangle oscillator10GNDGROUND11BCTExternal capacitor from BCT to GND for adjusting the BURST triangle oscillator12BRTExternal resistor from BRT to GND for adjusting the BURST triangle oscillator13DUTYControl PWM mode and BURST mode14STBStand-by switch15CPExternal capacitor from CP to GND for Timer Latch16VREFReference voltage input pin for Error amplifier17VSError amplifier input18ISError amplifier input19FBError amplifier output20SSExternal capacitor from SS to GND for Soft Start Control21COMPOver voltage detect pin22VCCSupply voltage input23UVLOExternal Under Voltage Lock Out24REGInternal regulator output25BST1Boot-Strap input for HN1 output26SW1Lower rail voltage for HN1 output27HN1NMOS FET driver28LN1NMOS FET driver  |
二极管的正向压降决于二极管的材料和结构电动车控制器如何简单判断有没有致命损坏384X的业余测试
U9104(SP6018E)引脚功能与实测数据
LD5532GS(U9101)引脚功能与实测数据
雷电探测器电路原理图讲解
手机屏蔽器电路图解
9v低电池电量指示器电路图解
基于BLW96的射频放大器电路解析
带闹钟的夜灯电路图解说明
|Archiver|手机版|家电维修论坛
( 蜀ICP备19011473号-4 川公网安备51102502000164号 )
GMT+8, 2025-6-9 08:05 , Processed in 0.151630 second(s), 22 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.
