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Microchip微芯 PAC1931 产品介绍
2026-04-14
0次
说明
PAC1931是一个单一的功率监视器和能量监视器，它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
- 100mV full scale range for current sense voltage
- Selectable bidirectional measurment capability
- 0 to 32V input commen-mode voltage
- External sense resistor sets full scale current range
- 1% power measurement accuracy over a wide dynamic range
- On-chip accumulation of 28-bit power results for engergy measurement
- 48-bit power accumulator 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
- 2.7V to 5.5V operation
- Separate Vdd for I/O pin
- 1.62-5.5V capable SMBus and digital I/O
- SMBus 3.0 and I2C Fast Mode Plus
- WLCSP 2.225 x 2.17
参数
类型 | 描述 |
Description | Single 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 | 1 |
ADC Resolution (bit) | 16 |
