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Ultra Compact 12A

DC Motor Driver

The small yet powerful H Bridge DC driver  SAM-VNH7DC12A breakout board has a lot of great specs that make it useful for a wide variety of mechatronics. In particular the high current output and automotive grade reliability makes it a great choice for almost any DC motor. 


This board comes pre assembled using the automotive grade VNH7100AS H-Bridge driver, incorporating a dual monolithic high-side driver and two low-side switches. Both switches are designed to efficiently integrate on the same die for a true Power MOSFET with intelligent signal/protection circuitry.

Download the Data Sheet


Output motor voltage range 4 to 28 V
Logic level on IN pins up to 5.5 V
Peak Current 12 A
Stand-by current (max) 1 µA
  • Automotive qualified driver die
  • Max Output current: 12 A  
  • Power indicator LED
  • PWM control
  • Undervoltage lockout
  • Overvoltage clamp / protection
  • Thermal shutdown   
  • Very low standby power consumption  
  • PWM operation up to 20 kHz  
  • MultiSense diagnostic functions
    • Analog motor current feedback
    • Output short to VCC detection  
  • Output protected against short to ground and short to VCC  
  • Standby Mode  

Easy Connection – The input signals IN_A and IN_B directly interface to the microcontroller to select the motor direction, speed, stop and brake parameters. The SEL_0 pin provides addressable  information and feedback.

Pin Functions

Pin Number Pin Label Function Designation Notes
2, 5, 7, 9, 15 GND Ground Ground Common Ground for both motor voltage and logic voltage (all GND pins are connected)
3, 16 VCC Motor Power Connection Power Power input (4V to 28V)
1 PWM * Logic Voltage Input Input PWM input that controls the speed
13-14 , 11-12 OUT_A, OUT_B Motor Power Output Output Connection to the DC Motor(s)
4, 8 IN_A, IN_B * Logic Voltage Input Input Control Inputs from microcontroller (2.7V to 5.5V). Two inputs that determines the direction.
6 SEL_0 * Logic Voltage Input Input One of the two inputs that determines the direction.
10 CS_OUT * Voltage Output Output Voltage output, dependent on SEL_0, IN_A, IN_B input conditions.  See table below.

Supported Hardware Configurations