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Texas Instruments DRV8706H-Q1EVM Gate Driver Evaluation Module

Texas Instruments DRV8706H-Q1EVM Gate Driver Evaluation Module (EVM) is designed to evaluate the DRV8706H-Q1. The DRV8706H-Q1 is an integrated automotive-qualified brushed DC motor driver. The DRV8706H-Q1 is a highly integrated half-bridge gate driver capable of driving high-side and low-side N-channel power MOSFETs. It generates the proper gate drive voltages, using an integrated doubler charge pump for the high side and a linear regulator for the low side.

The Texas Instruments DRV8706H-Q1EVM has a half-bridge consisting of four N-channel MOSFETs that drive motors bi-directionally up to 15A_RMS, 20A peak current. The evaluation module operates from a single power supply for the analog power and from the USB line for the digital power, which can be customized to be externally supplied. A negative 18V reverse battery protection circuit, along with a 20A_RMS rated PI filter, is provided to clean up the power supply input and protect against incorrect battery connections.

Features

4.9V to 37V, up to 15A_RMS, 20A peak current H-bridge Smart Gate drive evaluation module in SPI and HW variants for automotive, brushed DC motor applications
Smart Gate Drive architecture with slew rate control, dead-time handshaking 0.5mA to 62mA peak source and sink current outputs
Wide common mode current shunt amplifier with inline sensing, gain settings, integrated PWM blanking scheme and feedback resistors

Integrated protection features: driver disable pin, V_DS/V_GS, supply, charge pump, thermal, and SPI only offline diagnostic monitors monitors
Doubler charge pump for 100% PWM and independent half-bridge, PH/EN, PWM and Split HS and LS Solenoid control PWM modes

Texas Instruments DRV8706H-Q1EVM Gate Driver Evaluation Module

Features

Board Layout

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