System Monitors

PJ75230

Datasheet
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Product Description

Current and Power Monitor with I2C Compatible Interface

Product Features

Operating Voltage: 2.7V to 5.5V
Bus Voltage (Input Voltage): 0V to 36 V
16-Bit Delta-Sigma ADC
Reports Current, Voltage, and Power
Programmable Calibration Value, Conversion times, and Averaging Options
High Accuracy : 0.3 % Gain Error (Max.) , 25 μV Offset (Max.)
Compatible with SMBus and I2C interface
I2C Speed up to 2.94MHz (High-Speed Mode)
Noise Filter on SCL/SDA inputs
16 Programmable Addresses
Operating temperature Range: -40°C to 125°C
Available Package: QFN3X3-16, MSOP-10P

Product Introduction

Product Specifications

Related Files

Consultation List

Product Introduction

The PJ75230 is a current shunt and power monitor with an I2C interface. The PJ75230 monitors both shunt voltage drop and bus supply voltage. The device can directly read current in amperes and power in watts, with programmable calibration value, conversion times, and averaging options, combined with an internal multiplier. It supports up to 16 programmable addresses on I2C interface.

Product Specifications

Recommended Operating Conditions

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Parameter
Specification
Common-mode input voltage
12V
Operating supply voltage
3.3V
Operating free-air temperature
-40 to 125

Key Electrical Characteristics , TA = 25°C

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Parameter
Condition
Specification
Shunt voltage input range
-81.9175mV~81.92mV
Bus voltage input range
0V~36V
Common-mode rejection
0V ≤ VIN+ ≤ 36V
140dB
Shunt offset voltage,RTI
±9.8uV
ADC native resolution
16bit
Operating supply range
2.7V~5.5V
Quiescent current
330uA
Quiescent current, powerdown( shutdown) mode
0.5uA
Power-on reset threshold
2V
Shunt voltage gain error
±0.02%

Related Files

Technical Documentation

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Item
File Format
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PJ75230_Datasheet

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