Pololu
MP6550 Single Brushed DC Motor Driver Carrier
$9.55
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The MP6550 from Monolithic Power Systems (MPS) is an H-bridge motor driver IC that can be used for bidirectional control of one brushed DC motor at 1.8 V to ...
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The MP6550 from Monolithic Power Systems (MPS) is an H-bridge motor driver IC that can be used for bidirectional control of one brushed DC motor at 1.8 V to 22 V. It can supply up to about 1.7 A continuously and features configurable current sensing and current limiting. Since this board is a carrier for the MP6550, we recommend careful reading of the MP6550 datasheet (714k pdf). The board ships populated with all of its SMD components, including the MP6550.
Features
- H-bridge motor driver: can drive one DC motor
- Motor supply voltage: 1.8 V to 22 V
- Logic supply voltage: 1.8 V to 5 V
- Output current: up to 1.7 A continuous; operation at low motor and logic supply voltages reduces the maximum continuous output current
- Current control limits peak current to 2.5 A by default (this limit can be adjusted)
- Under-voltage lockout and protection against over-current and over-temperature
- Carrier board adds reverse-voltage protection up to 20 V
- Compact size (0.5″×0.6″)
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- motor driver
- An electronic circuit that lets a low-power controller switch and control a motor that needs more current than the controller pins can safely provide. Checking motor driver support matters because pumps and motors usually cannot be connected directly to a microcontroller output.
- SMD
- SMD means surface-mount device, a component style designed to be soldered directly onto the surface of a circuit board rather than through holes. SMD parts are compact and mounted flat on the board, which suits smaller and mass-produced designs.
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