RX50 H-Bridge Motor Driver
REACTOR RX50 H-Bridge Motor Driver
NOTE: Not RoHS compliant
What is an h-bridge?
An h-bridge is used to convert low-power control signals into high-power drive for motor control as well as other high power applications. For example, to control a motor in the forward and reverse directions as well as the motor's speed, you need an h-bridge. One h-bridge is required per motor. The microcontroller connects to the h-bridge's logic level inputs, and the h-bridge converts those low power control signals into high power outputs suitable for driving the motor, controlling the motor's direction, and varying the motor's speed.
The REACTOR RX50 is a high performance h-bridge designed to drive brushed DC motors and other inductive as well as resistive loads. Includes a 20 Amp fuse and heat sink as shown. The RX50 is controlled by direct PWM using locked anti-phase signaling. Sign-magnitude signal control is available using the optional RX50SM module. Note that even when using the RX50SM module, the motor never free-wheels and thus provides tighter control than typical sign-magnitude control implementations. Free-wheeling is inherently not an issue when using the native locked anti-phase control.
RX50SM Sign-Magnitude Logic Module
The RX50 incorporates the ability to provide additional forced air cooling through the use of an optional cooling fan kit. This allows the h-bridge to handle even higher power loads by actively cooling the heat sink.
DARPA Grand Challenge Proven
The RX50 h-bridge is race proven in the brutal DARPA Grand Challenge, where it stood up to the harsh, hot, dusty desert conditions and performed flawlessly for Team Insight Racing.
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