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Microchip微芯 PAC1934 产品介绍
2026-04-14
0次
说明
PAC1934是一款四通道功率/能量监测器，配有电流传感器放大器和总线电压监测器，为高分辨率ADC供电。数字电路执行功率计算和能量积累。PAC1934能够实现从1毫秒到36小时的积分周期的能量监测。总线电压、感测电阻器电压和累积的比例功率存储在寄存器中，以供系统主控器或嵌入式控制器检索。
采样速率和能量积分周期可以通过SMBus或I2C来控制。主动通道选择、单次测量和其他控制也是可配置的。PAC1934使用实时校准来最小化偏移和增益误差。此设备不需要输入筛选器。
特性
- 100 mV full scale voltage sense range, 16-bit resolution
- Bidirectional or unidirectional options
- Wide Bus Voltage Measurement Range 0V to 32V, 16-Bit Resolution
- 1% Power Measurement Accuracy Over a Wide Dynamic Range
- 48-bit power accumulator register for recording data
- 24-bit accumulator count
- User programmable sampling rates of 8, 64, 256, 1024 samples per second
- 36 hours of power data accumulation at 8 samples per second
- 2.7V to 5.5V Supply Operation
- Separate I/O Pin for Digital I/O 1.62-5.5V
- I2C® Fast Mode Plus (1Mp/S) and SMBus 3.0
- WLCSP package (2.225 x 2.17), 4x4 uQFN-16
- WIN10 laptop, tablet, workstation, cell phone
- Networking
- Automotive
- Linux® Systems
- Linux, Microsoft®, and Cloud Servers
- Industrial
参数
类型 | 描述 |
Description | Quad 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 | 4 |
ADC Resolution (bit) | 16 |
