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Demonstration board for dual full-bridge L6227Q for motor control applications

EVAL6227QR

Overview

The L6227Q is a DMOS dual full-bridge designed for motor control applications, realized in BCD multipower technology.

The L6227Q features thermal shutdown and a non-dissipative overcurrent protection on the high-side power MOSFETs plus a diagnostic output that can be easily used to implement the overcurrent protection.
The device also includes two independent constant off-time PWM current controllers which perform the chopping regulation.

Main features

Operating supply voltage from 8 to 52 V
2.8 A output peak current (1.4 A DC)
R_DS(on)0.73 Ω typ. value @ TJ = 25 °C
Operating frequency up to 100 kHz
Non dissipative overcurrent protection
Dual independent constant tOFF PWM current controllers

Slow decay synchronous rectification
Cross conduction protection
Thermal shutdown
Undervoltage lockout
Integrated fast free wheeling diodes

Design Files

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Update:2025-06-20 12:40:59

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