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Design DRV8850
SLVSCC0C – NOVEMBER 2013 – REVISED JULY 2016 DRV8850 Low-Voltage H-Bridge IC With LDO Voltage Regulator
1 Features 3 Description The DRV8850 device provides a motor driver plus
LDO voltage regulator solution for consumer
products, toys, and other low-voltage or batterypowered motion-control applications. The device has
one H-bridge driver to drive a DC motor, a voice-coil
actuator, one winding of a stepper motor, a solenoid,
or other devices. The output driver block consists of
N-channel power MOSFETs configured as an Hbridge to drive the load. An internal charge pump
generates the needed gate-drive voltages. 1 H-Bridge Motor Driver
– Drives a DC Motor, One Winding of a Stepper
Motor, or Other Loads
– Low MOSFET On-Resistance: 65 mΩ HS + LS
at 4.2V, 25В°C
5-A Continuous 8-A Peak-Drive Current
Internal Current Sensing With Current Sense
Output …
