HPA01113AIRGVR Texas Instruments 电流和电力监控器、调节器 Current Sensing Device

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1 Features

1• Senses Bus Voltages From 0 V to 26 V

• Reports Shunt and Bus Voltage

• High Accuracy:

– Offset Voltage: ±80 μV (max)

– Gain Error: 0.25% (max)

• Configurable Averaging Options

• Four Programmable Addresses

• Programmable Alert and Warning Outputs

• Power-Supply Operation: 2.7 V to 5.5 V

2 Applications

• Computers

• Power Management

• Telecom Equipment

• Battery Chargers

• Power Supplies

• Test Equipment

3 Description

The INA3221 is a three-channel, high-side current

and bus voltage monitor with an I

2C- and SMBUScompatible

interface. The INA3221 monitors both

shunt voltage drops and bus supply voltages, in

addition to having programmable conversion times

and averaging modes for these signals. The INA3221

offers both critical and warning alerts to detect

multiple programmable out-of-range conditions for

each channel.

The INA3221 senses current on buses that can vary

from 0 V to 26 V. The device is powered from a

single 2.7-V to 5.5-V supply, and draws 350 μA (typ)

of supply current. The INA3221 is specified over the

operating temperature range of –40°C to +125°C.

The I

2C- and SMBUS-compatibl

工作温度范围:

- 40 C to + 125 C

产品种类:

电流和电力监控器、调节器

封装:

Reel

商标:

Texas Instruments