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DRV3946-Q1

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Automotive, current sensing 40V, contactor driver with integrated current regulation

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Data sheet

DRV3946-Q1

ACTIVE
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Product details

Number of channels 2 Vs ABS (max) (V) 40 Operating temperature range (°C) -40 to 125 Rating Automotive
Number of channels 2 Vs ABS (max) (V) 40 Operating temperature range (°C) -40 to 125 Rating Automotive
HTSSOP (PWP) 28 62.08 mm² (9.7 mm × 6.4 mm)
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* Data sheet DRV3946-Q1 Dual Channel Automotive Solenoid Driver with Current Regulation, Clamping and Diagnostics datasheet (Rev. A) PDF | HTML Jun 12, 2024
Technical article How squib and contactor drivers help improve safety and efficiency in HEV/EV battery disconnect systems (Rev. A) PDF | HTML Apr 25, 2025
White paper Designing Safer, Smarter and More Connected Battery Management Systems (Rev. A) PDF | HTML Feb 27, 2025

Design & development

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Evaluation board

DRV3946-Q1EVM — DRV3946-Q1 evaluation module

The DRV3946-Q1EVM allows for easy control and evaluation of the DRV3946-Q1, which is a dual-channel and fully integrated solenoid and contactor driver. The DRV3946-Q1EVM includes two DRV3946-Q1 ICs, each able to drive two contactors in a low-side configuration. The DRV3946-Q1 is able to drive up (...)
User guide: PDF | HTML
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Design tool

DRV3946-Q1EVM-DESIGN — DRV3946-Q1EVM Design Files

Folder contains datasheet of DRV3946-Q1EVM design files, user guide, firmware source code and GUI installer
Supported products & hardware
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HTSSOP (PWP) 28 Ultra Librarian
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