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DRV8808,pdf(Combination Motor
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The DRV8808 provides the integrated motor driver solution for printers. The chip has three full H-bridges and three buck DC-DC converters.
The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The device can be configured to utilize internal or external current sense for winding current control.
The SPI input pins are 3.3-V compatible and have 5-V-tolerant inputs.
The DRV8808 has three dc-dc switch-mode buck converters to generate a programmable output voltage from 1 V up to 90% of VM, with up to 1.35-A load current capability.
The device is configured using the CSELECT terminal at start up, and serial interface during run time.
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