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3A Triple 1/2-H-Bridge Driver.
SGM42553 SGM42553.pdf

No.13370

FEATURES

? Triple 1/2-H-Bridge Driver IC

   3-Phase Brushless DC Motors
   Solenoid and Brushed DC Motors
? High Current Drive Capability: 3A Peak
? Low MOSFET ON-Resistance
? Independent 1/2-H-Bridge Control
? Uncommitted Comparator Can Be Used for
  Current Limit or Other Functions
? Built-In 3.3V 10mA LDO Regulator
? 8V to 60V Operating Supply Voltage Range
? Sleep Mode for Standby Operation
DESCRIPTION

The SGM42553 provides three individually controllable half-H-bridge drivers. The device is intended to drive a three-phase brushless-DC motor, although it can also be used to drive solenoids or other loads. Each output driver channel consists of N-channel power MOSFETs configured in a 1/2-H-bridge configuration. Each 1/2-H-bridge driver has a dedicated ground terminal, which allows independent external current sensing.
An uncommitted comparator is integrated into the SGM42553, which allows for the construction of current-limit circuitry or other functions.
Internal protection functions are provided for under-voltage, charge pump faults, over-current, short-circuits, and over-temperature. Fault conditions are indicated by the nFAULT pin.
The SGM42553 is available in Green TQFN-6×6-36L and TSSOP-28 (Exposed Pad) packages.

APPLICATION CIRCUIT
PIN CONFIGUTION
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