www.ti.com

Output Control Register

TPL9201

8-CHANNEL RELAY DRIVER

WITH INTEGRATED 5-V LDO AND ZERO-VOLT DETECTION

SLIS123B – JUNE 2006 – REVISED NOVEMBER 2006

MSB

LSB

IN8

IN7

IN6

IN5

IN4

IN3

IN2

IN1

0

0

0

0

0

0

0

0

INn = 0: Output OFF

INn = 1: Output ON

To operate the output in PWM mode, the output control register must be updated at a rate twice the desired

PWM frequency of the output. Maximum PWM frequency is 5 kHz. The register is updated every 100

µs.

ENABLE TRUTH TABLE

SERIAL INPUT

EN1

OUT1

FOR OUT1

Open

H

On

Open

L

Off

L

H

On

L

L

Off

H

H

On

H

L

On

7

Submit Documentation Feedback