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M81019FP

High Voltage Half-Bridge Driver 1200 Volts/±1 Ampere

Powerex 

Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272

M81019FP

HVIC, High Voltage Half-Bridge Driver

1200 Volts/±1 Ampere

DIODE CLAMP CIRCUITS FOR INPUT AND OUTPUT PINS

VCC

HIN

LIN

FO_RST

VCC

CIN

FO

GND

GND

VCC

LPOUT

LNOUT1

LNOUT2

VB

HPOUT

GND

VS

VCC

VNO

GND

VB

HNOUT1

HNOUT2

FUNCTION TABLE (X = H or L; Z = High Impedance; Q = Keep Previous Status)

HIN LIN FO_RST CIN FO VBS/UV VCC/POR HO LO FO Behavorial State

(Input)

(Output)

LL

L

L

–

H

H

LL

H

LH

L

L

–

H

H

LH

H

HL

L

L

–

H

H

HL

H

HH

L

L

–

H

H

QQ

H For Interlock

XH

X

H–

X

H

LL

L

CIN Tripped When LIN = H

XL

X

H–

X

H

QQ

H CIN Not Tripped When LIN = L

XX

X

X

L

X

H

LL

L Output Shut Down When FO = L

XX

X

X

–

X

L

LL

H VCC Power Reset Tripped

XL

L

L

–

L

H

LL

H VBS Power Reset Tripped

XH

L

L

–

L

H

LH

H VBS Power Reset Tripped When LIN = H

NOTE: “L” status of VBS/UV indicates high side UV tripped.

“L” status of VCC/POR indicates VCC power reset tripped.

8/05

5

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