PAC1720
PAC1720 Dual High-Side current sensor with I2C, 40V, power calculation, voltage reading, bi-directional, alert, up to 80mV full scale range
制造商:Microchip
产品信息
The PAC1720 is a dual high-side bi-directional current sensing monitor with precision voltage measurement capabilities. Each sensor measures the voltage developed across an external sense resistor to represent the high-side current of a battery or voltage regulator. The PAC1720 also measures the SENSE+ pin voltage and calculates average power over the integration period. The PAC1720 can be programmed to assert the ALERT# pin when high and low limits are exceeded for Current Sense and Bus Voltage. Available in a RoHS compliant 3 X 3mm 10-pin DFN package.
The PAC1720 device is good for measuring dynamic power. The long integration time allows for extending system polling cycles without losing any power consumption information. In addition the alert ensures that transient events are captured between the polling cycles.
Features
Dual high-side current sensor
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
VSOURCE voltage range 0V to 40V
Bi-directional current sensing
Auto-zero input offset voltage
Digital averaging
Adjustable sampling time and resolution
5µA typical Standby current
Programmable sense voltage range
±10mV, ±20mV, ±40mV, and ±80mV
Power supply range 3.0V to 5.5V
Wide temperature operating range: -40°C to +85°C
ALERT# output for voltage and current out of limit transients between sampling interval
SMBus 2.0 communications interface
Address selectable by resistor decode
Sample time configurable from 2.5ms-320ms
With averaging effective sampling times up to 2.6sec
3x3 mm DFN-10 package
Applications
Notebook and Desktop Computers
Industrial
Power Management Systems
Embedded Applications
在线购买
型号:PAC1720-1-AIA-TR
描述:-
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