DRV8706H-Q1EVM

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

DRV8706H-Q1EVM

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Overview

The DRV8706H-Q1EVM is designed to evaluate the DRV8706H-Q1, which is an integrated, automotive qualified brushed DC motor driver.  The DRV8706H-Q1 is a highly integrated H-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 DRV8706H-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 DRV8706H-Q1EVM has a full H-bridge consisting of four 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.

Features
  • 4.9-V to 37-V, up to 15-A RMS, 20-A peak current H-bridge Smart Gate drive EVM in SPI and HW variants for automotive, brushed DC motor applications
  • Smart Gate Drive architecture with slew rate control, dead-time handshaking 0.5-mA to 62-mA 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, VDS/VGS, 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

  • Micro-USB Cable

Brushed DC (BDC) motor drivers
DRV8706-Q1 Automotive 40-V H-bridge smart gate driver with offline diagnostics & inline current sense am

 

Linear & low-dropout (LDO) regulators
TPS7B69-Q1 Automotive 150-mA, off-battery (40-V), high-PSRR, low-IQ, low-dropout voltage regulator

 

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

 

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

DRV8706H-Q1EVM — Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp

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GUI for evaluation module (EVM)

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

Support software

SLVC809 — DRV87XX_DRV8106-Q1EVM Software

Supported products & hardware
Download

SLVC809 DRV87XX_DRV8106-Q1EVM Software

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Latest version
Version: 01.00.00.0B
Release date: 30 Nov 2021
download DRV87XX_DRV8106-Q1EVM Software (zip)  — 33755 K

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Hardware development
Evaluation board
DRV8106H-Q1EVM Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp DRV8106S-Q1EVM Automotive half-bridge smart gate driver EVM with wide common mode current sense amplifier DRV8705H-Q1EVM Automotive H-bridge smart gate driver EVM with low-side current sense amplifier DRV8705S-Q1EVM Automotive H-bridge smart gate driver EVM with low-side current sense amplifier DRV8706H-Q1EVM Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp DRV8706S-Q1EVM Automotive H-bridge smart gate driver EVM with wide common mode current sense amplifier DRV8714H-Q1EVM DRV8714H-Q1 evaluation module for four-channel smart gate driver with hardware configuration DRV8714S-Q1EVM DRV8714S-Q1 evaluation module for four-channel smart gate driver with SPI configuration DRV8718S-Q1EVM Automotive multi-channel smart half-bridge gate drivers evaluation module

Release Infomation

The design resource accessed as www.ti.com/lit/zip/slvc809 or www.ti.com/lit/xx/slvc809b/slvc809b.zip has been migrated to a new user experience at www.ti.com/tool/download/SLVC809. Please update any bookmarks accordingly.
GUI for evaluation module (EVM)

DRV87XX-DRV8106-Q1EVM-GUI — Web GUI for the DRV87xxx-Q1EVM family and DRV8106x-Q1EVMs

Supported products & hardware
Download options

DRV87XX-DRV8106-Q1EVM-GUI Web GUI for the DRV87xxx-Q1EVM family and DRV8106x-Q1EVMs

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Latest version
Version: 0.5.5
Release date: 03 Apr 2024

Checksum
Hardware development
Evaluation board
DRV8706S-Q1EVM Automotive H-bridge smart gate driver EVM with wide common mode current sense amplifier DRV8706H-Q1EVM Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp DRV8705S-Q1EVM Automotive H-bridge smart gate driver EVM with low-side current sense amplifier DRV8705H-Q1EVM Automotive H-bridge smart gate driver EVM with low-side current sense amplifier DRV8106S-Q1EVM Automotive half-bridge smart gate driver EVM with wide common mode current sense amplifier DRV8106H-Q1EVM Automotive half-bridge smart gate driver evaluation module with wide common mode current sense amp DRV8714S-Q1EVM DRV8714S-Q1 evaluation module for four-channel smart gate driver with SPI configuration DRV8714H-Q1EVM DRV8714H-Q1 evaluation module for four-channel smart gate driver with hardware configuration DRV8718S-Q1EVM Automotive multi-channel smart half-bridge gate drivers evaluation module

Release Infomation

0.5.5 Release

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
Certificate DRV8706H-Q1EVM EU Declaration of Conformity (DoC) (Rev. B) 30 Mar 2021
User guide DRV87xx-Q1EVM & DRV8106-Q1EVM GUI User's Guide (Rev. A) PDF | HTML 30 Oct 2019

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