Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp


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The DRV8106H-Q1EVM is designed to evaluate the DRV8106H-Q1, which is an integrated, automotive qualified brushed DC motor driver. The DRV8106H-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 device uses a smart gate drive architecture to reduce system cost and improve reliability. The gate driver optimizes dead time to avoid shoot-through conditions, provides control to decreasing electromagnetic interference (EMI) through adjustable gate drive current, and protects against drain to source and gate short conditions with VDS and VGS monitors. A wide common mode shunt amplifier provides inline current sensing to continuously measure motor current.

The DRV8106H-Q1 provide an array of protection features to ensure robust system operation. These include under and overvoltage monitors for the power supply and charge pump, VDS overcurrent and VGS gate fault monitors for the external MOSFETs, and internal thermal warning and shutdown protection.

The DRV8106H-Q1EVM has an half-bridge consisting of two N-channel MOSFETs that drive motors bi-directionally at up to 15-A RMS, 20-A peak current. The EVM 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 18 V reverse battery protection circuit, along with a 20 A RMS rated PI filter are provided to clean up the power supply input and protect against incorrect battery connections.

  • 4.5-V to 33-V operating voltage range
  • Up to 2.5-A peak current
  • A simple STEP/DIR input interface
  • Integrated current sense and microstepping indexer
  • Smart tune technology

  • Micro-USB cable

Brushed DC (BDC) motor drivers
DRV8106-Q1 Automotive, 40-V, half-bridge Smart Gate Driver w/offline diagnostics and inline current sense amp.


ESD & surge protection ICs
TPD4E004 Quad 0.8-pF, 5.5-V, ±8-kV ESD protection diode with with VCC pin for High Speed Interfaces


Linear & low-dropout (LDO) regulators
TPS7B69 150-mA, 40-V, low-IQ, low-dropout voltage regulator


MSP430 microcontrollers
MSP430F2617 16 MHz MCU with 92KB Flash, 8KB SRAM, 12-bit ADC, Dual 12-bit DAC, I2C/SPI/UART, HW multiplier, DMA


N-channel MOSFETs
CSD18512Q5B 40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.6 mOhm

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Evaluation board

DRV8106H-Q1EVM — Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp

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Support software

DRV87XX_DRV8106-Q1EVM Software (Rev. B) — SLVC809B.ZIP (33755KB)

GUI for evaluation module (EVM)

DRV8X06-DRV8705-Q1-GUI-CLOUD — DRV8705-Q1 and DRV8x06 EVM GUI on TI Resource Explorer Cloud

GUI for evaluation module (EVM)

DRV8X06_DRV8705-Q1EVM-WEB-GUI — Web-based GUI for DRV8x06-Q1 and DRV8705-Q1 EVMs

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide DRV87xx-Q1EVM and DRV8106-Q1EVM User’s Guide (Rev. A) 12 Mar 2021
User guide DRV87xx-Q1EVM & DRV8106-Q1EVM GUI User's Guide (Rev. A) PDF | HTML 30 Oct 2019
Certificate DRV8106H-Q1EVM EU Declaration of Conformity (DoC) (Rev. A) 30 Jul 2019

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