HOLT INTEGRATED CIRCUITS

8

APPLICATION EXAMPLES

Figure 6 Input Sensing, GND/OPEN Typical ABD0100H Thresholds, 1ma wetting current

Figure 7 Highside Output Driving Relay

Figure 8 Highside Output Driving LED

Figure 9 Highside Output Driving Lamp

Figure 10 Highside Output Driving Resistive Load

HI-8430, HI-8431

SENSE0

SENSE1

SENSE2

SENSE3

SENSE4

SENSE5

SENSE6

SENSE7

OE

Low to High Threshold = 9.7V

High to Low Threshold = 5.6V

VWET

SNSE_SEL

THS_SEL

HI-8430

VLOGIC

HI_SET

LO_SET

From SENSORS

VLOGIC = 3.3V

GND

SO_0

SO_1

SO_2

SO_3

SO_4

SO_5

SO_6

SO_7

HI_SET = 0.97V

LO_SET = 0.56V

75K

13K

18K

28V

VLOGIC = 3.3V

GND

10μF

10V

0.1μF

10V

3.3μF

10V

GND

3.3μF

10V

Drive

Control

Current

Sense

VDRV

HI-8430

DRV_n

DSEL_n

FAULT_n

V+

Drive

Control

Current

Sense

VDRV

HI-8430

DRV_n

DSEL_n

FAULT_n

V+

Drive

Control

Current

Sense

VDRV

HI-8430

DRV_n

DSEL_n

FAULT_n

V+

Drive

Control

Current

Sense

VDRV

HI-8430

DRV_n

DSEL_n

FAULT_n

V+