ADP1046A
目录
特点................................................. ............................................. 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
典型应用电路............................................... .............. 1
修订历史................................................ ............................... 3
规格................................................. .................................... 4
绝对最大额定值............................................... ............. 9
热阻................................................ ...................... 9
焊接................................................. ....................................... 9
ESD注意事项................................................ .................................. 9
引脚配置和功能描述........................... 10
典型性能特征........................................... 12
工作原理............................................... ....................... 14
电流检测................................................ .............................. 15
电压检测和控制回路............................................. 16
ADC的................................................. ........................................... 16
VS1操作（ VS1 ） ............................................. .................... 16
VS2操作（ VS2 ） ............................................. .................... 17
VS3操作（ VS3 + ， VS3- ） .......................................... ......... 17
电压线路前馈和ACSNS .................................... 17
数字滤波器................................................ ................................ 17
PWM和同步整流器产出
（ OUTA ， OUTB ， OUTC ， OUTD ， OUTAUX ， SR1 ， SR2 ） ........ 18
同步整流................................................ ........ 19
同步整流（ SR ）延迟............................................ 19
轻负载模式............................................... ......................... 19
调制限制................................................ ....................... 19
软启动................................................ ...................................... 20
OrFET控制（ GATE引脚） ............................................ ......... 22
VDD ................................................. ............................................ 24
VDD / VCORE OVLO .............................................. .................. 24
电源良好................................................ ................................. 24
电流共享................................................ .......................... 25
供电系统和故障监测............................... 27
旗................................................. ............................................. 27
监控功能................................................ ................ 27
电压读数................................................ ........................ 27
当前读数................................................ ........................ 27
功率读数................................................ ........................... 28
电源监控精度............................................... ...... 28
数据表
第一个标志故障ID和值寄存器................................... 28
外部输入标志（ FLAGIN引脚） .......................................... 28
温度读数（ RTD引脚） ........................................... 28
过温保护（ OTP ） ........................................ 29
过电流保护（ OCP ） ............................................. ... 29
恒流模式............................................... ............. 30
过电压保护（ OVP ） ............................................. .... 30
欠压保护（ UVP ） ............................................. 31
AC感应（ ACSNS ） ............................................. ........................ 31
伏秒平衡.............................................. .................... 31
数字载重线和压摆率............................................ .. 32
电源校准和微调............................................ 33
CS1修剪................................................ ...................................... 33
CS2修剪................................................ ...................................... 33
电压校准和微调.............................................. ..... 34
输出电压设定（ VS3 + ， VS3-微调） ........................... 34
VS1修剪................................................ ...................................... 34
VS2修剪................................................ ...................................... 34
RTD / OTP修剪.............................................. ............................ 34
ACSNS校准和微调.............................................. ..... 35
布局指南................................................ ........................... 36
CS2 +和CS2 -.............................................. ............................. 36
VS3 +和VS3 -.............................................. ............................. 36
VDD ................................................. ............................................ 36
SDA和SCL ............................................... ............................... 36
CS1 ................................................. .............................................. 36
裸露焊盘................................................ ................................ 36
VCORE ................................................. ....................................... 36
RES ................................................. .............................................. 36
RTD ................................................. ............................................. 36
AGND ，DGND和PGND ............................................ .......... 36
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2
C接口通信............................................... ....... 37
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2
概述................................................ ............................... 37
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2
C类地址................................................ .................................. 37
数据传输................................................ ............................... 37
通用呼叫支持............................................... .................. 39
10位寻址.............................................. ......................... 39
快速模式................................................ .................................... 39
重复启动条件............................................... ........... 39
电气规格................................................ ............. 39
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