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DRV401AIRGWR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

DRV401AIRGWR product

DRV401AIRGWR

Sensor and Detector Interfaces

closed-loop current sensormagnetic probe interfaceH-bridge driver2.5 V referenceVQFN-20

DRV401AIRGWR is a 5 V closed-loop magnetic current-sensor conditioning IC for compatible VAC sensors. It integrates probe excitation, compensation-coil H-bridge drive, shunt sensing, a 2.5 V reference, degauss control, and diagnostic outputs.

Best for

  • Closed-loop AC and DC current measurement
  • VAC magnetic sensor signal conditioning
  • Motor-drive and inverter current monitoring

Avoid if

  • A standalone Hall-effect current sensor is required
  • The compensation coil requires drive beyond the internal H-bridge capability without an external driver
  • The selected sensor does not use a compatible magnetic probe interface

Check before use

  • 4.5 V to 5.5 V supply capability
  • 250 mA peak internal compensation-driver requirement
  • Coil resistance and shunt-resistor range
  • Probe wiring, grounding, and decoupling layout
  • Whether compensation wire-break diagnosis should be enabled

Key specifications

Supply range
4.5 V to 5.5 V
Compensation driver
Fully differential H-bridge, 250 mA peak
Shunt amplifier gain
4 V/V
Reference output
2.5 V
Package
20-pin VQFN, 5 mm × 5 mm × 1 mm max

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-2-260C-1 YEAR
ECCN
-
HTSUS
-

Application

Motor drive current controlFrequency and voltage invertersIndustrial current measurementMagnetic current sensors

Datasheet

Texas-Instruments-company-64.pdf

800 KB

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CAD Models

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Alternative components

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Design and risk insights

Questions & answers

DRV401AIRGWR is the RGW 20-pin VQFN version of Texas Instruments' DRV401 signal-conditioning IC for closed-loop magnetic current sensors using compatible VAC magnetic probes. It operates from a 5 V supply.