VNH3ASP30-E(2004) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

VNH3ASP30-E
(Rev.:2004)

AUTOMOTIVE FULLY INTEGRATED H-BRIDGE MOTOR DRIVER

STMicroelectronics 

VNH3ASP30-E

Figure 10. Waveforms in full bridge operation

DIAGA/ENA

DIAGB/ENB

INA

INB

PWM

OUTA

OUTB

IOUTA->OUTB

NORMAL OPERATION (DIAGA/ENA=1, DIAGB/ENB=1)

LOAD CONNECTED BETWEEN OUTA, OUTB

CS (*)

tDEL

tDEL

(*) CS BEHAVIOUR DURING PWM MODE WILL DEPEND ON PWM FREQUENCY AND DUTY CYCLE

NORMAL OPERATION (DIAGA/ENA=1, DIAGB/ENB=0 and DIAGA/ENA=0, DIAGB/ENB=1)

LOAD CONNECTED BETWEEN OUTA, OUTB

DIAGA/ENA

DIAGB/ENB

INA

INB

PWM

OUTA

OUTB

IOUTA->OUTB

CS

CURRENT LIMITATION/THERMAL SHUTDOWN or OUTA SHORTED TO GROUND

INA

INB

ILIM

IOUTA->OUTB

Tj

DIAGA/ENA

DIAGB/ENB

CS

normal operation

Tj > TTR

OUTA shorted to ground

TTSD

TTR

normal operation

12/18

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