Product details

Number of full bridges 1 Vs (min) (V) 1.65 Vs ABS (max) (V) 12 Peak output current (A) 4 RDS(ON) (HS + LS) (mΩ) 240 Sleep current (µA) 0.01 Control mode PWM Control interface I2C Features Analog current monitor, Integrated current sense, Stall Detection Rating Catalog Operating temperature range (°C) -40 to 125
Number of full bridges 1 Vs (min) (V) 1.65 Vs ABS (max) (V) 12 Peak output current (A) 4 RDS(ON) (HS + LS) (mΩ) 240 Sleep current (µA) 0.01 Control mode PWM Control interface I2C Features Analog current monitor, Integrated current sense, Stall Detection Rating Catalog Operating temperature range (°C) -40 to 125
WQFN (RTE) 16 9 mm² 3 x 3

  • N-channel H-bridge brushed DC motor driver
  • 1.65-V to 11-V operating supply voltage range
  • Ripple counting feature for:
    • On-chip Speed and Position detection
    • Integrated Voltage and Speed regulation
  • Soft-Start and Stop feature for inrush current protection
  • 240-mΩ R DS(on) (High-Side + Low-Side)
  • High output current capability: 4-A Peak, 2-A RMS
  • PWM with I 2C control interface
    • Configuration and diagnostics on I 2C registers
    • Multi-follower operation support
    • Supports standard and fast I 2C mode
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Integrated current sensing and current regulation
  • Analog current sense output (IPROPI)
  • Gain select (GAINSEL) feature for:
    • High accuracy current sensing down to 10 mA
    • Optimized R DS(ON) and overcurrent limit
  • Internal charge pump with 100% duty cycle
  • Long battery life with low-power sleep mode
    • < 100 nA maximum sleep current
  • Small package and footprint
    • 16-Pin WQFN with PowerPAD™, 3 × 3 mm
  • Integrated protection features
    • VCC undervoltage lockout (UVLO)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Stall detection
    • Overvoltage protection (OVP)

  • N-channel H-bridge brushed DC motor driver
  • 1.65-V to 11-V operating supply voltage range
  • Ripple counting feature for:
    • On-chip Speed and Position detection
    • Integrated Voltage and Speed regulation
  • Soft-Start and Stop feature for inrush current protection
  • 240-mΩ R DS(on) (High-Side + Low-Side)
  • High output current capability: 4-A Peak, 2-A RMS
  • PWM with I 2C control interface
    • Configuration and diagnostics on I 2C registers
    • Multi-follower operation support
    • Supports standard and fast I 2C mode
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Integrated current sensing and current regulation
  • Analog current sense output (IPROPI)
  • Gain select (GAINSEL) feature for:
    • High accuracy current sensing down to 10 mA
    • Optimized R DS(ON) and overcurrent limit
  • Internal charge pump with 100% duty cycle
  • Long battery life with low-power sleep mode
    • < 100 nA maximum sleep current
  • Small package and footprint
    • 16-Pin WQFN with PowerPAD™, 3 × 3 mm
  • Integrated protection features
    • VCC undervoltage lockout (UVLO)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Stall detection
    • Overvoltage protection (OVP)

The DRV8214 is a high-performance integrated H-bridge motor driver with integrated speed and position detection using ripple counting along with additional features like motor speed and voltage regulation, stall detection, current sense output, current regulation, and protection circuitry.

The integrated ripple counting algorithm counts the number of ripples in the motor current to determine motor relative position and speed eliminating the potential need for encoders, hall sensors, or optical sensors. This reduces board space and design complexity, and saves on overall system cost. Integrated speed regulation is used to maintain constant motor speed over varying input supply voltages which minimizes current consumption and saves power over time. This is critical in applications that have different loading conditions or rely on battery power for operation where the input voltage is not constant. Soft-start and stop allows for a controlled turn-on and turn-off time, reducing large inrush currents to protect the motor windings from damage, thereby increasing system reliability and longevity.

An internal current mirror implements current sensing and regulation. This eliminates the need for a large power shunt resistor, saving board area and reducing system cost. The IPROPI current sense output allows a microcontroller to detect motor stall or changes in load conditions. The gain select feature allows high accuracy current sensing down to 10 mA average motor current. Using the VREF pin, this device can regulate the motor current during startup and high-load events without interaction from a microcontroller. The device supports sensorless motor stall detection and reporting to microcontroller.

The DRV8214 is a high-performance integrated H-bridge motor driver with integrated speed and position detection using ripple counting along with additional features like motor speed and voltage regulation, stall detection, current sense output, current regulation, and protection circuitry.

The integrated ripple counting algorithm counts the number of ripples in the motor current to determine motor relative position and speed eliminating the potential need for encoders, hall sensors, or optical sensors. This reduces board space and design complexity, and saves on overall system cost. Integrated speed regulation is used to maintain constant motor speed over varying input supply voltages which minimizes current consumption and saves power over time. This is critical in applications that have different loading conditions or rely on battery power for operation where the input voltage is not constant. Soft-start and stop allows for a controlled turn-on and turn-off time, reducing large inrush currents to protect the motor windings from damage, thereby increasing system reliability and longevity.

An internal current mirror implements current sensing and regulation. This eliminates the need for a large power shunt resistor, saving board area and reducing system cost. The IPROPI current sense output allows a microcontroller to detect motor stall or changes in load conditions. The gain select feature allows high accuracy current sensing down to 10 mA average motor current. Using the VREF pin, this device can regulate the motor current during startup and high-load events without interaction from a microcontroller. The device supports sensorless motor stall detection and reporting to microcontroller.

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Technical documentation

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Type Title Date
* Data sheet DRV8214 2-A Brushed DC Motor Driver with Ripple Counting, Stall Detection, and Speed Regulation datasheet PDF | HTML 30 Aug 2022
Application brief Sensorless Position Control For Brushed DC Motors PDF | HTML 02 Feb 2024
Certificate DRV8214EVM EU Declaration of Conformity (DoC) 18 Sep 2023
EVM User's guide DRV8213_14_34EVM User's Guide PDF | HTML 24 Jan 2023

Design & development

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Evaluation board

DRV8214EVM — DRV8214 evaluation module for brushed DC motor driver with stall detection and ripple counting

The DRV8214 evaluation module (EVM) allows for easy evaluation of the DRV8214 device. The EVM has been programmed and configured to work out of the box and begin spinning motors right away.

The DRV8214 is an integrated motor driver with N-channel H-bridge, charge pump, current sense output, (...)

User guide: PDF | HTML
Not available on TI.com
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WQFN (RTE) 16 View options

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