Microchip微芯_PAC1933_产品介绍

Microchip微芯 PAC1933 产品介绍

2026-04-14 0次

说明

PAC1933是一款三通道功率监测器和能量监测器，可报告总线电压和感测电压，分辨率为16位。功率被报告为两个16位独立总线和感测电压的同时乘积。所有寄存器都可以通过I2C/SMBus访问，包括用于读取稳定性的8个样本平均值。

特性

100 mV full scale range for current sense voltage
Selectable bidirectional measurement capability
External sense resistor sets full scale range
0 to 32V Input Common -Mode Voltag
1% Power Measurement Accuracy Over a Wide Dynamic Range
On-Chip Accumulation of 28-bit Power Results for Energy Measurement
48-bit power accumulation register
Sampling rates of 8, 64, 256, and 1024 samples per second
At least 17 minutes of power accumulation data at 1024 samples per second

Separate VDD for I/O pin
1.62V to 5.5V capable SMBus and digital I/O
I2C Fast mode plus and SMBus 3.0
WLCSP 2.225 x 2.17 or 4x4 uQFN-16

参数

类型	描述
Description	Triple DC Power/Energy Monitor with Accumulator
Vsense min FSR (mV)	-100
Vsense max FSR (mV)	100
Vsense accuracy (% FSR, max)	0.9
Vbus Range min (V)	0
Vbus Range max (V)	32
Vbus accuracy (% FSR, max)	0.5
Sampling Interval min (msec)	0.98
Sampling Interval max (msec)	125
Remote Temperature Monitors	0
# Ambient Temperature Monitors	0
Temperature Accuracy Typical (°)	0
Temperature Accuracy Max (°)	0
Alert/Therm	0
Accumulator?	Yes
Interface	SMBus/I2C
Address Select	16
# Current Channel	3
ADC Resolution (bit)	16

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