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DRV8908-Q1

ACTIVE

Automotive, 40V, 6A 8 channel half-bridge motor driver with advanced diagnostics

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Data sheet

DRV8908-Q1

ACTIVE
Data sheet Order now

Product details

Number of full bridges 4 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Peak output current (A) 6 RDS(ON) (HS + LS) (mΩ) 1500 Sleep current (µA) 0.35 Control mode Independent 1/2-Bridge, PWM Control interface SPI Features Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
Number of full bridges 4 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Peak output current (A) 6 RDS(ON) (HS + LS) (mΩ) 1500 Sleep current (µA) 0.35 Control mode Independent 1/2-Bridge, PWM Control interface SPI Features Open-Load Detection Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² 7.8 x 6.4
  • AEC-Q100 qualified for automotive applications
  • 4, 6, 8, 10 and 12 half-bridge outputs
  • 4.5-V to 32-V operating voltage
    • 40-V absolute maximum voltage
  • 1-A RMS current for each output
    • 6-A maximum current for paralleled outputs
  • Low-power sleep mode (1.5-µA)
  • Supports 3.3-V and 5-V logic inputs
  • SPI for configuration and diagnostics
    • 5-MHz, 16-Bit SPI communication
    • Daisy chain functionality
  • PWM generators programmable over SPI
    • Individual half-bridge PWM operation
    • Configurable for high-side, low-side, and H-bridge load driving
    • Supports 8-bit duty cycle resolution
  • Integrated protection features with per channel detailed diagnostics over SPI
    • nFAULT pin output
    • VM undervoltage lockout (UVLO)
    • VM overvoltage protection (OVP)
    • Logic supply power on reset (POR)
    • Overcurrent protection (OCP)
    • Enhanced open load detection (OLD)
    • Thermal warning and shutdown (OTW/OTSD)
  • AEC-Q100 qualified for automotive applications
  • 4, 6, 8, 10 and 12 half-bridge outputs
  • 4.5-V to 32-V operating voltage
    • 40-V absolute maximum voltage
  • 1-A RMS current for each output
    • 6-A maximum current for paralleled outputs
  • Low-power sleep mode (1.5-µA)
  • Supports 3.3-V and 5-V logic inputs
  • SPI for configuration and diagnostics
    • 5-MHz, 16-Bit SPI communication
    • Daisy chain functionality
  • PWM generators programmable over SPI
    • Individual half-bridge PWM operation
    • Configurable for high-side, low-side, and H-bridge load driving
    • Supports 8-bit duty cycle resolution
  • Integrated protection features with per channel detailed diagnostics over SPI
    • nFAULT pin output
    • VM undervoltage lockout (UVLO)
    • VM overvoltage protection (OVP)
    • Logic supply power on reset (POR)
    • Overcurrent protection (OCP)
    • Enhanced open load detection (OLD)
    • Thermal warning and shutdown (OTW/OTSD)

The DRV89xx-Q1 is a pin-to-pin compatible family of integrated multi-channel half-bridge drivers with 4 to 12 half-bridges. The device family features low on-state resistance (RDS(ON)) for improved thermal performance during high-current operation.

These devices can drive brushed-DC (BDC) motors or stepper motors in independent, sequential, or parallel mode. The half-bridges are fully controllable to achieve a forward, reverse, coasting and braking operation of motor.

These devices feature standard 16-bit, 5-MHz serial peripheral interface (SPI) with daisy chain capability for complete configuration and detailed diagnostics. Depending on the device, four or eight programmable PWM generators are integrated to allow for current limiting during motor operation or LED dimming control.

The device includes numerous protection and diagnostic features including an nFAULT pin to alert the system when a fault occurs. The device features a low-current open load detection (OLD) mode to detect open-load conditions when the nominal load current is small and a passive OLD mode for offline OLD. The device is also fully-protected from short-circuit, undervoltage, and over-temperature conditions.

View our full portfolio of brushed motor drivers on ti.com.

The DRV89xx-Q1 is a pin-to-pin compatible family of integrated multi-channel half-bridge drivers with 4 to 12 half-bridges. The device family features low on-state resistance (RDS(ON)) for improved thermal performance during high-current operation.

These devices can drive brushed-DC (BDC) motors or stepper motors in independent, sequential, or parallel mode. The half-bridges are fully controllable to achieve a forward, reverse, coasting and braking operation of motor.

These devices feature standard 16-bit, 5-MHz serial peripheral interface (SPI) with daisy chain capability for complete configuration and detailed diagnostics. Depending on the device, four or eight programmable PWM generators are integrated to allow for current limiting during motor operation or LED dimming control.

The device includes numerous protection and diagnostic features including an nFAULT pin to alert the system when a fault occurs. The device features a low-current open load detection (OLD) mode to detect open-load conditions when the nominal load current is small and a passive OLD mode for offline OLD. The device is also fully-protected from short-circuit, undervoltage, and over-temperature conditions.

View our full portfolio of brushed motor drivers on ti.com.

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Technical documentation

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Type Title Date
* Data sheet DRV89xx-Q1 Automotive Multi-Channel Half-Bridge Drivers with Advanced Diagnostics datasheet (Rev. C) PDF | HTML 11 Feb 2020
Application brief Open Load Detection in Integrated Drivers (Rev. C) PDF | HTML 31 Mar 2022
Functional safety information DRV8908-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 14 Oct 2021
More literature TI Motor Drives Automotive Body Motors Webinar 02 Jul 2021
Application note Daisy Chain Implementation for Serial Peripheral Interface (Rev. A) 07 Apr 2021
Application brief Using the Half-Bridge DRV89xx-Q1 as High-Side or Low-Side Switch PDF | HTML 26 Oct 2020
Technical article How analog integration simplifies automotive body motor controller designs PDF | HTML 23 Oct 2020
Technical article Driving HVAC system flaps with an integrated, multichannel motor driver PDF | HTML 17 Feb 2020
Application note Protecting Automotive Motor Drive Systems from Reverse Polarity Conditions (Rev. A) 19 Feb 2019
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 06 Jul 2018
Technical article Understanding flap actuators and what drives them in automotive HVAC systems PDF | HTML 13 Apr 2017
Application brief PowerPAD™ Made Easy (Rev. B) 12 May 2004

Design & development

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Evaluation board

DRV8908-Q1EVM — DRV8908-Q1 multi H-bridges motor driver evaluation module

The DRV8908-Q1 evaluation module (EVM) is an application board design to allow easy evaluation of the DRV8908-Q1 device. The DRV8908-Q1 device is an integrated 4.5-V to 32-V 8 channel H-bridges for automotive applications such as control of heating, ventilation, and airconditioning (HVAC) flap DC (...)

User guide: PDF
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Evaluation board

DRV8912-Q1EVM — DRV8912-Q1 multi h-bridges motor driver evaluation module

The DRV8912-Q1 evaluation module (EVM) is an application board design to allow easy evaluation of the DRV8912-Q1 device. The DRV8912-Q1 device is an integrated 4.5-V to 32-V 12 channel H-bridges for automotive applications such as control of heating, ventilation, and airconditioning (HVAC) flap DC (...)

User guide: PDF
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HTSSOP (PWP) 24 Ultra Librarian
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