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L6230

DMOS driver for three-phase brushless DC motor

STMicroelectronics 

L6230

DMOS driver for three-phase brushless DC motor

Features

■ Operating supply voltage from 8 to 52 V

■ 2.8 A output peak current (1.4 A RMS)

■ RDS(on) 0.73 Ω typ. value @ TJ = 25 °C

■ Integrated fast free wheeling diodes

■ Operating frequency up to 100 kHz

■ Non dissipative overcurrent detection and

protection

■ Cross conduction protection

■ Diagnostic output

■ Uncommitted comparator

■ Thermal shutdown

■ Under voltage lockout

Application

■ BLDC motor driving

■ Sinusoidal / 6-steps driving

■ Field oriented control driving system

PowerSO36

VFQFPN32

Description

The L6230 is a DMOS fully integrated three-

phase motor driver with overcurrent protection,

optimized for FOC application thanks to the

independent current senses.

Realized in BCDmultipower technology, the

device combines isolated DMOS Power

Transistors with CMOS and bipolar circuits on the

same chip.

An uncommitted comparator with open-drain

output is available.

Available in PowerSO36 and VFQFPN-32 5x5

packages the L6230 features a non dissipative

overcurrent protection on the high side power

MOSFETs and thermal shutdown.

Table 1. Device summary

Order codes

L6230PD

L6230PDTR

L6230Q

L6230QTR

Package

PowerSO36

VFQFPN32

Packaging

Tube

Tape and reel

Tube

Tape and reel

June 2011

Doc ID 18094 Rev 2

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www.st.com

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