Microchip微芯_PAC1720_产品介绍

Microchip微芯 PAC1720 产品介绍

2026-04-14 0次

说明

PAC1720是一款具有精确电压测量功能的双高压侧双向电流传感监测器。每个传感器测量外部感测电阻器两端产生的电压，以表示电池或电压调节器的高侧电流。PAC1720还测量SENSE+引脚电压，并计算积分周期内的平均功率。PAC1720可编程为在超过电流检测和总线电压的高和低限值时断言ALERT#引脚。提供符合RoHS标准的3 X 3mm 10引脚DFN封装。

PAC1720设备适用于测量动态功率。长集成时间允许在不丢失任何功耗信息的情况下延长系统轮询周期。此外，该警报可确保在轮询周期之间捕获瞬态事件。

特性

Current measurement is integrated over 2.5ms to 2.6sec with up to 11-bit resolution

1% current measurement accuracy in positive range

Measures VSOURCE voltage

Calculates proportional power

Bi-directional current sensing

Auto-zero input offset voltage

Adjustable sampling time and resolution

5µA typical Standby current

±10mV, ±20mV, ±40mV, and ±80mV

Power supply range 3.0V to 5.5V

Operating range: 0°C to +85°C

ALERT# output for voltage and current out of limit transients between sampling interval

Address selectable by resistor decode

With averaging effective sampling times up to 2.6sec

3x3 mm DFN-10 package

Notebook and Desktop Computers

Industrial

Power Management Systems

Embedded Applications

参数

类型	描述
Description	Dual Current/DC Power Sensor
Vsense min FSR (mV)	-10, -20, -40, -80
Vsense max FSR (mV)	10, 20, 40, 80
Vsense accuracy (% FSR, max)	0.9
Vbus Range min (V)	0
Vbus Range max (V)	40
Vbus accuracy (% FSR, max)	0.3
Sampling Interval min (msec)	2.5
Sampling Interval max (msec)	2600
Remote Temperature Monitors	0
# Ambient Temperature Monitors	0
Temperature Accuracy Max (°)	0
Alert/Therm	1
Peak Detection	No
Accumulator?	No
Interface	SMBus/I2C
Address Select	16
# Current Channel	2
ADC Resolution (bit)	11

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