ROHM BD6211F-E2 H-Bridge DC Motor Driver IC - 3V 5.5V Supply

The ROHM BD6211F-E2 is a highly efficient, single-channel H-bridge driver IC designed for DC brushed motor control in space-constrained, low-power applications. Housed in a compact SOP-8 package, this driver integrates advanced features for robust and reliable performance, making it an ideal choice for modern electronic designs where efficiency and footprint are critical.

This driver utilises MOS transistors in its output stage, enabling precise Pulse Width Modulation (PWM) speed control for smooth motor operation. A standout feature is the integrated VREF voltage setting pin, which allows for direct PWM duty cycle control and facilitates the replacement of discontinued motor driver ICs without major circuit redesign. The device incorporates essential protection circuits including cross-conduction prevention, overcurrent, overvoltage, thermal shutdown, and undervoltage lockout to safeguard both the IC and the connected motor.

With a low output on-resistance of just 0.5ohm (vertically total at 1.0A output), it ensures minimal power loss and heat generation, contributing to higher overall system efficiency. It supports a PWM input frequency range from 20kHz to 100kHz, suitable for various control schemes, and operates across a wide temperature range from -40°C to 85°C, ensuring reliability in demanding environments.

Engineers and designers will appreciate its 3V to 5.5V supply voltage range and maximum rated voltage of 7V, making it compatible with common low-voltage logic and battery-powered systems. Its built-in single-channel configuration simplifies design for controlling a single DC motor.

Important Handling Note: This device is electrostatic sensitive (ESD sensitive). Proper ESD precautions must be observed during handling and assembly to prevent damage. Furthermore, care must be taken to avoid reverse polarity connection of the power supply, as this can permanently damage the IC.

Variant Details

• Size: 3V 5.5V Supply