L6234 데이터 시트보기 (PDF) - STMicroelectronics

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L6234

Three-phase motor driver

STMicroelectronics 

Circuit description

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Circuit description

L6234

The L6234 is a triple half bridge designed to drive brushless DC motors. Each half bridge

has 2 power DMOS transistors with RDSon = 0.3 .

The 3 half bridges can be controlled independently by means of the 3 inputs IN1, IN2, IN3

and the 3 inputs EN1, EN2, and EN3. An external connection to the 3 common low side

DMOS sources is provided to connect a sensing resistor for the constant current chopping

application.

The driving stage and the logic stage are designed to work from 7 V to 52 V.

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DocID1107 Rev 11

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