ADP1043A
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
典型应用电路............................................... .............. 1
修订历史................................................ ............................... 3
功能框图............................................... ............... 4
规格................................................. .................................... 5
绝对最大额定值............................................... ............. 8
热阻................................................ ...................... 8
焊接................................................. ....................................... 8
ESD注意事项................................................ .................................. 8
引脚配置和功能说明............................. 9
典型性能特征........................................... 11
工作原理............................................... ....................... 12
电流检测................................................ .............................. 12
电压检测和控制回路............................................. 13
ADC的................................................. ........................................... 13
数字滤波器................................................ ................................ 14
PWM和同步整流输出（ OUTA ， OUTB ， OUTC ，
OUTD ， OUTAUX ， SR1 ， SR2 ） .......................................... ......... 14
同步整流................................................ ........ 15
自适应死区时间控制.............................................. ...... 15
轻负载模式............................................... ......................... 15
调制限制................................................ ....................... 15
OrFET控制（ GATE ） ............................................. ............... 15
VDD ................................................. ............................................ 18
VDD / VCORE OVLO .............................................. .................. 18
电源良好................................................ ................................. 18
软启动................................................ ...................................... 19
电流共享（分享） ............................................. ............... 20
供电系统和故障监测............................... 22
旗................................................. ............................................. 22
监控功能................................................ ................ 22
电压读数................................................ ........................ 22
当前读数................................................ ........................ 22
功率读数................................................ ........................... 23
电源监控精度............................................... ...... 23
第一个标志故障ID和值寄存器................................... 23
外部输入标志（ FLAGIN引脚） .......................................... 23
温度读数（ RTD引脚） ............................................ 23
过温保护（ OTP ） ........................................ 23
过电流保护（ OCP ） ............................................. ... 24
恒流模式............................................... ............. 25
过电压保护（ OVP ） ............................................. .... 25
欠压保护（ UVP ） ............................................. 25
AC感应（ ACSNS ） ............................................. ........................ 26
伏秒平衡.............................................. .................... 26
负载线................................................ ..................................... 26
电源校准和微调............................................ 27
CS1修剪................................................ ...................................... 27
CS2修剪................................................ ...................................... 27
电压校准和微调.............................................. ..... 27
输出电压设定（ VS3 + ， VS3-微调） ........................... 28
VS1修剪................................................ ...................................... 28
VS2修剪................................................ ...................................... 28
RTD / OTP修剪.............................................. ............................ 28
布局指南................................................ ....................... 28
通信................................................. ............................. 29
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2
C接口................................................ ................................ 29
EEPROM ................................................. .................................... 31
软件界面................................................ .............................. 32
注册上市................................................ ............................... 33
详细寄存器说明............................................... ...... 35
故障寄存器................................................ ............................. 35
值寄存器................................................ ............................ 38
电流检测和电流限制寄存器............................ 41
电压检测寄存器............................................... ............... 46
ID寄存器................................................ ................................. 49
PWM和同步整流定时寄存器............. 50
数字滤波器编程寄存器...................................... 58
自适应死区时间寄存器.............................................. ... 60
EEPROM寄存器................................................ .................... 64
谐振模式操作............................................... ............. 65
谐振模式使能............................................... ............... 65
PWM时序谐振模式............................................. 65
在谐振模式同步整流....................... 65
调整PWM输出的时序........................... 66
频率限制设定............................................... ............. 66
在谐振模式下的反馈控制...................................... 66
软启动的谐振模式............................................. ........ 66
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