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DRV8955

ACTIVE

50-V, 2-A, quad half-bridge driver with current sense

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Data sheet

DRV8955

ACTIVE
Data sheet Order now

Product details

Number of full bridges 2 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 50 Peak output current (A) 2.5 RDS(ON) (HS + LS) (mOhms) 330 Sleep current (uA) 2 Control mode PWM Control interface Hardware (GPIO) Features Current Regulation, Integrated Current Sensing Rating Catalog Operating temperature range (C) -40 to 125
Number of full bridges 2 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 50 Peak output current (A) 2.5 RDS(ON) (HS + LS) (mOhms) 330 Sleep current (uA) 2 Control mode PWM Control interface Hardware (GPIO) Features Current Regulation, Integrated Current Sensing Rating Catalog Operating temperature range (C) -40 to 125
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HTSSOP (PWP) 28 43 mm² 9.7 x 4.4 VQFN (RGE) 24 16 mm² 4 x 4
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  • Quad Half-bridge DC motor driver
    • Can drive up to four Solenoid Loads, Two DC Motors, One Stepper Motor, or Other Loads

    • Full Individual Half Bridge Control

  • Integrated current sensing and regulation
  • 4.5 V to 48 V Operating supply voltage range

  • Pin to pin compatible with -

  • Industry Standard IN/IN Digital Control Interface

  • Half-bridges can be connected in parallel to increase output current

  • Configurable Off-Time PWM Chopping
    • 7, 16, 24 or 32 µs
  • Supports 1.8 V, 3.3 V, 5.0 V logic inputs
  • Low-current sleep mode (2 µA)
  • Spread spectrum clocking for low EMI
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (OTSD)
    • Fault condition output (nFAULT)
  • Quad Half-bridge DC motor driver
    • Can drive up to four Solenoid Loads, Two DC Motors, One Stepper Motor, or Other Loads

    • Full Individual Half Bridge Control

  • Integrated current sensing and regulation
  • 4.5 V to 48 V Operating supply voltage range

  • Pin to pin compatible with -

  • Industry Standard IN/IN Digital Control Interface

  • Half-bridges can be connected in parallel to increase output current

  • Configurable Off-Time PWM Chopping
    • 7, 16, 24 or 32 µs
  • Supports 1.8 V, 3.3 V, 5.0 V logic inputs
  • Low-current sleep mode (2 µA)
  • Spread spectrum clocking for low EMI
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (OTSD)
    • Fault condition output (nFAULT)
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The DRV8955 provides four individually controllable half-bridge drivers for industrial applications. The device can be used for driving up to four solenoid loads, two DC motors, one stepper motor, or other loads.

The output driver for each channel consists of N-channel power MOSFET’s configured in a half-bridge. A simple PWM (IN/IN) interface allows easy interface with the controller. Separate inputs to independently control each half-bridge are provided. Additionally, the outputs can be paralleled together to provide more current for output loads.

The DRV8955 operates off a single power supply and supports a wide input supply range from 4.5 V to 48 V. A low-power sleep mode is provided to achieve a low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage-lockout, overcurrent protection on each FET, short circuit protection, and overtemperature. Fault conditions are indicated by the nFAULT pin.

The DRV8955 provides four individually controllable half-bridge drivers for industrial applications. The device can be used for driving up to four solenoid loads, two DC motors, one stepper motor, or other loads.

The output driver for each channel consists of N-channel power MOSFET’s configured in a half-bridge. A simple PWM (IN/IN) interface allows easy interface with the controller. Separate inputs to independently control each half-bridge are provided. Additionally, the outputs can be paralleled together to provide more current for output loads.

The DRV8955 operates off a single power supply and supports a wide input supply range from 4.5 V to 48 V. A low-power sleep mode is provided to achieve a low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage-lockout, overcurrent protection on each FET, short circuit protection, and overtemperature. Fault conditions are indicated by the nFAULT pin.

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Technical documentation

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Type Title Date
* Data sheet DRV8955 Quad Half-Bridge Driver With Integrated Current Sense datasheet 11 Dec 2020
Application note How to Drive Unipolar Stepper Motor with the DRV8xxx 03 Dec 2021
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) 19 Jan 2021
Application note Advantages of Integrated Current Sensing (Rev. A) 09 Oct 2020
Technical article Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration 09 Apr 2020
Application note Using DRV to Drive Solenoids - DRV8876/DRV8702-Q1/DRV8343-Q1 19 Feb 2018
Technical article Why are you still driving automotive motors with relays? 13 Jul 2017
Technical article The story of motor-drive integration 09 Jan 2017
Technical article How to create a dynamic power solution for stepper motors, relays and LEDs 01 Nov 2016

Design & development

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Evaluation board

DRV8955PEVM — DRV8955 quad half-bridge driver with integrated current sense evaluation module

The DRV8955 evaluation mode (EVM) allows easy evaluation of the DRV8955 device. The DRV8955 integrates two N-channel power MOSFET H-bridges and integrated current sense and regulation circuirty. The DRV8955 device operates off a single power supply and support a wide input supply range from 4.5 to (...)
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HTSSOP (PWP) 28 View options
VQFN (RGE) 24 View options

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