TB67H450FNG Single-Channel Brushed DC Motor Driver 3.5A
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Prices updated: 13 Oct 2026
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About this product
The TB67H450FNG is a single-channel PWM chopper driver for brushed DC motors, rated up to 50 V and 3.5 A. It supports forward, reverse, brake and stop modes, and has built-in output MOSFETs with error-detection functions including thermal shutdown. It is suited to motor control projects that need a compact driver with high voltage capability.
Specifications
- Driver type
- PWM chopper, brushed DC, single channel
- Output voltage
- 50 V max
- Output current
- 3.5 A max
- On-resistance (high side + low side)
- 0.6 Ω (typ.)
- Operating modes
- Forward, Reverse, Brake, Stop (OFF)
- Process
- BiCD
- Protection
- Thermal shutdown and built-in error detection
Frequently asked questions
How do I control the motor speed with this driver?
Speed is set by the PWM duty cycle applied to the control input, following the input logic in the datasheet. Use a PWM-capable microcontroller pin and confirm which input pins select direction and brake modes.
Does the driver need a heatsink?
At higher currents the IC heats up, so provide adequate heatsinking and airflow. Check the thermal characteristics and derating curves in the datasheet to set a safe operating current for your design.
