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DRV8106-Q1

ACTIVE

Automotive, 40-V, half-bridge Smart Gate Driver w/offline diagnostics and inline current sense amp.

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Product details

Parameters

Number of full bridges 1/2 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 40 Sleep current (uA) 2.5 Control mode PWM Control interface Hardware (GPIO), SPI Features Inline Current Sense Amplifier, Smart Gate Drive Rating Automotive Operating temperature range (C) -40 to 125 open-in-new Find other Brushed DC (BDC) motor drivers

Package | Pins | Size

VQFN (RHB) 32 25 mm² 5 x 5 open-in-new Find other Brushed DC (BDC) motor drivers

Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Half-bridge smart gate driver
    • 4.9-V to 37-V (40-V abs. max) operating range
    • Doubler charge pump for 100% PWM
  • Pin to pin gate driver variants
  • Smart gate drive architecture
    • Adjustable slew rate control
    • 0.5-mA to 62-mA peak source current output
    • 0.5-mA to 62-mA peak sink current output
    • Integrated dead-time handshaking
  • Wide common mode current shunt amplifier
    • Supports inline, high-side, or low-side
    • Adjustable gain settings (10, 20, 40, 80 V/V)
    • Integrated feedback resistors
    • Adjustable PWM blanking scheme
  • Multiple interface options available
    • SPI: Detailed configuration and diagnostics
    • H/W: Simplified control and less MCU pins
  • Spread spectrum clocking for EMI reduction
  • Compact VQFN package with wettable flanks
  • Integrated protection features
    • Dedicated driver disable pin (DRVOFF)
    • Supply and regulator voltage monitors
    • MOSFET VDS overcurrent monitors
    • MOSFET VGS gate fault monitors
    • Charge pump for reverse polarity MOSFET
    • Offline open load and short circuit diagnostics
    • Device thermal warning and shutdown
    • Fault condition interrupt pin (nFAULT)

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open-in-new Find other Brushed DC (BDC) motor drivers

Description

The DRV8106-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 even during recirculating windows. The amplifier can be used in low-side or high-side sense configurations if inline sensing is not required.

The DRV8106-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, offline open load and short circuit diagnostics, and internal thermal warning and shutdown protection.

open-in-new Find other Brushed DC (BDC) motor drivers
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NEW DRV8705-Q1 ACTIVE Automotive, 40-V, H-bridge Smart Gate Driver w/offline diagnostics Pin2Pin compatible H-bridge variant with low-side current sense amplifier
NEW DRV8706-Q1 ACTIVE Automotive 40-V H-bridge smart gate driver with offline diagnostics & inline current sense am Pin2Pin compatible H-bridge variant

Technical documentation

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Type Title Date
* Data sheet DRV8106-Q1 Automotive Half-Bridge Smart Gate Driver With Wide Common Mode Inline Current Sense Amplifier datasheet (Rev. B) Apr. 05, 2021
Application note Daisy Chain Implementation for Serial Peripheral Interface (Rev. A) Apr. 07, 2021
Application note Understanding Smart Gate Drive (Rev. D) Nov. 06, 2020
Technical article How analog integration simplifies automotive body motor controller designs Oct. 23, 2020
Application note Benefits of a Wide Common Mode, Differential Current Shunt Amplifier Sep. 08, 2020
Application note Detecting Short to Battery and Ground Conditions with TI Motor Gate Drivers May 29, 2020
Application note Open Load Detection in Intergrated Drivers (Rev. A) Nov. 07, 2019
White paper Smart Gate Drive Jul. 02, 2019
Application note Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) Feb. 19, 2019
Application note External or internal FETs for motor drive in automotive applications (Rev. A) Feb. 11, 2019
Application note Cut-Off Switch in High-Current Motor-Drive Applications (Rev. A) Aug. 20, 2018
Technical article Why are you still driving automotive motors with relays? Jul. 13, 2017
Technical article The story of motor-drive integration Jan. 09, 2017
Application note Relay Replacement for Brushed DC Motor Drive in Automotive Applications Nov. 14, 2016
Technical article How to create a dynamic power solution for stepper motors, relays and LEDs Nov. 01, 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
Description

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 (...)

Features
  • 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
EVALUATION BOARD Download
document-generic User guide
75
Description

The DRV8106S-Q1EVM is designed to evaluate the DRV8106S-Q1, which is an integrated, automotive qualified brushed DC motor driver. The DRV8106S-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 (...)

Features
  • Half-bridge smart gate driver EVM for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
    • 4.9-V to 37-V operating range
    • Doubler charge pump for 100% PWM
    • Half-bridge control mode
    • SPI interface for detailed configuration and diagnostics
  • Smart gate drive architecture
    • Adjustable slew rate control
    • (...)

CAD/CAE symbols

Package Pins Download
VQFN (RHB) 32 View options

Ordering & quality

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  • Qualification summary
  • Ongoing reliability monitoring

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