Devantech HBridge Motor Driver

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More Details:

The Devantech MD03 is a medium power motor driver, designed to supply power beyond that of any of the low power single chip H-Bridges that exist. Main features are ease of use and flexibility. It also has several different control modes.

Specifications
Voltage	5v logic supply and 5v - 50v for the motor
Current	50mA Max for logic and up to 20a for the motor
Mode 1	0v-2.5v-5v Analog, 0v full reverse, 2.5v stop, 5v full forward
Mode 2	0v - 5v (or PWM equiv.) with seperate direction control
Mode 3	RC Mode - Controlled by standard Radio Control system. Direct connection to RC receiver. (1mS - 2mS pulse with 1.5mS center off).
Mode 4	I2C Interface, full control, acceleration and status reporting. Up to 8 modules on bus. SCL speed up to 1MHz
Current limiter	Preset at 20A
Temperature Limiter	Reduces power gracefully if module overheats
Size	113mm x 52mm x 30mm

Additional application notes, schematics, and tech support can be found at Robot Electronics.