The MP6550 is an H-bridge motor driver. The H-bridge consists of four N-channel power MOSFETs and an internal charge pump to generate gate-drive voltages. The MP6550 is typically used to drive a DC brush motor.
The MP6550 operates on a motor power supply voltage from 1.8V to 22V, which can supply an output current of up to 2A according to the logic control.
The MP6550 has a PWM input interface, which is compatible with industry-standard devices. Very low standby circuit current can be achieved when the device is disabled.
An internal current-sensing circuit provides an output with a voltage proportional to the load current. Cycle-by-cycle current regulation and limiting is also provided. These features do not require the use of a low-value shunt resistor.
There are internal shutdown functions for over-current protection, short-circuit protection, under-voltage lockout, and over-temperature protection.
The MP6550 requires a minimal number of readily available, standard external components, and is available in a QFN-12 (2mmx2mm) package.
Advantages Include:
•It can be promoted together with MPS DC/DC, AC/DC and other motor driver products to offer complete solutions;
•Integrating the current sense functions lowers the solution cost;
•Tiny package(QFN2x2) & Cost effective.
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The EV6550-G-00A is an evaluation board for the MP6550, an H-bridge motor driver. It operates from a supply voltage of up to 22V and can deliver motor current up to 2A.
The MP6550 has a PWM interface, which is compatible with industry-standard devices. Very low standby circuit current can be achieved when disabled the device. The MP6550 is available in a QFN2X2-12 package, it is typically used to drive a DC brushed motor.
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