HIP4086, HIP4086A

2

FN4220.10

March 27, 2015

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RDEL 7

xLI 4

UVLO

8

VDD 20

DIS 10

xHI 5

2µs Delay

REFRESH

PULSE

UNDERVOLTAGE

DETECTOR

10ns

DELAY

ADJUSTABLE

TURN-ON

DELAY

LEVEL

SHIFTER

CHARGE

xHO

17

xHB

16

xHS

18

xLO

21

VSS

6

VDD

100mV

VDD

*The charge pump is

permanently disabled

in the HIP4086A.

COMMON WITH

ALL PHASES

COMMON

WITH ALL

PHASES

COMMON WITH

ALL PHASES

COMMON WITH

ALL PHASES

EN

If the voltage on RDEL is less than 100mV, the

turn-on delay timers are disabled and the high and

low-side drivers can be turned on simultaneously.

If undervoltage is active or if

DIS is asserted, the high and

low-side drivers are turned off.

ADJUSTABLE

TURN-ON

DELAY

DELAY DISABLE

DRIVE ENABLE

Truth Table

INPUT

OUTPUT

ALI, BLI, CLI

AHI, BHI, CHI

UV

DIS

RDEL

ALO, BLO, CLO

AHO, BHO, CHO

XXX

1

X

0

0

XX

1

X

X

0

0

1

X

0

0

>100mV

1

0

00

00

X01

01

00

X00

1

0

0

0

<100mV

1

1

NOTE: X signifies that input can be either a “1” or “0”.