807832 2135 - DRV8835 Dual Motor Driver Carrier

2135 - DRV8835 Dual Motor Driver Carrier

This tiny breakout board for TI’s DRV8835 dual motor driver can deliver 1.2 A per channel continuously (1.5 A peak) to a pair of DC motors, and it supports two possible control interfaces for added flexibility of use: IN/IN and PHASE/ENABLE. Operating voltage range from 2 to 11 V
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This tiny breakout board for TI’s DRV8835 dual motor driver can deliver 1.2 A per channel continuously (1.5 A peak) to a pair of DC motors, and it supports two possible control interfaces for added flexibility of use: IN/IN and PHASE/ENABLE. With an operating voltage range from 2 to 11 V and built-in protection against reverse-voltage, under-voltage, over-current, and over-temperature, this driver is a great solution for powering up to two small, low-voltage motors. The carrier board has the form factor of a 14-pin DIP package, which makes it easy to use with standard solderless breadboards and 0.1″ perfboards.

Texas Instruments’ DRV8835 is a tiny dual H-bridge motor driver IC that can be used for bidirectional control of two brushed DC motors at 2 to 11 V. It can supply up to about 1.2 A per channel continuously and can tolerate peak currents up to 1.5 A per channel for a few seconds, making it an ideal driver for small motors that run on relatively low voltages. The DRV8835 is a great IC, but its small, leadless package makes it difficult for the typical student or hobbyist to use; our breakout board gives this driver the form factor of a 14-pin DIP package, which makes it easy to use with standard solderless breadboards and 0.1″ perfboards. Since this board is a carrier for the DRV8835, we recommend careful reading of the DRV8835 datasheet (208k pdf). The board ships populated with SMD components, including the DRV8835, and adds a FET for reverse battery protection.

This board is very similar to our DRV8833 dual motor driver carrier in operating voltage range and continuous current rating, but the DRV8835 has a lower minimum operating voltage, offers an extra control interface mode, and is 0.1″ smaller in each dimension. The DRV8833 has a higher peak current rating (2 A per channel vs 1.5 A), optional built-in current-limiting, and no need for externally supplied logic voltage.

 

Features

  • Dual-H-bridge motor driver: can drive two DC motors or one bipolar stepper motor
  • Motor supply voltage: 2–11 V
  • Logic supply voltage: 2–7 V
  • Output current: 1.2 A continuous (1.5 A peak) per motor
  • Motor outputs can be paralleled to deliver 2.4 A continuous (3 A peak) to a single motor
  • Two possible interface modes: IN/IN (outputs mostly mirror inputs) or PHASE/ENABLE (one pin for direction and another for speed)
  • Inputs are 3V- and 5V-compatible
  • Under-voltage lockout and protection against over-current and over-temperature
  • Reverse-voltage protection on the motor supply
  • Compact size (0.7″×0.4″) with the form factor of a 14-pin DIP package



Motor and motor power connections are made on one side of the board and logic power and control connections are made on the other. Each control input is pulled low through a weak pull-down resistor (approximately 100 kΩ), so the driver will be in the IN/IN mode if the MODE pin is left disconnected, and the driver outputs will be disabled by default. The driver requires a motor voltage between 2 and 11 V and a logic voltage between 2 and 7 V; the logic voltage can typically be supplied by or shared with the controlling device.

The DRV8835 features two possible control modes: IN/IN and PHASE/ENABLE. The MODE pin determines the control interface. Setting the MODE pin high, either with a pull-up resistor or a driving-high I/O line, sets the driver to PHASE/ENABLE mode, where the PHASE pin determines the motor direction and the ENABLE pin can be supplied with a PWM signal to control the motor speed. This mode is generally easier to use as it only requires one PWM per channel, but it only allows for drive/brake operation. (Drive/brake operation usually provides a more linear relationship between PWM duty cycle and motor speed than drive/coast operation, and we generally recommend using drive/brake operation when possible.)

Dimensions

Size:

0.4″ × 0.7″1

Weight:

0.5 g1

General specifications

Motor driver:

DRV8835

Motor channels:

2

Minimum operating voltage:

2.0 V

Maximum operating voltage:

11 V

Continuous output current per channel:

1.2 A2

Peak output current per channel:

1.5 A

Continuous paralleled output current:

2.4 A2

Reverse voltage protection?:

Y

Notes:

Without included hardware.

Typical results with 100% duty cycle at room temperature.

Specifications

Part. No. : 2135

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