STLC1

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PIN DESCRIPTION

ORDERING INFORMATION

Pin N°

Symbol

Name and Function

1

GND

Ground

2

TR-DRV

The Low Side Driver drain pin for the TURN LED array

3

TR-L

The Low Side Driver source pin, used to detect either a lamp outage or an

over-current condition for the TURN LED array

4

ST-DRV

The Low Side Driver drain pin for the STOP LED array

5

ST-L

The Low Side Driver source pin, used to detect either a lamp outage or an

over-current condition for the STOP LED array

6

TL-DRV

The Low Side Driver drain pin for the TAIL LED array

7

TL-L

The Low Side Driver source pin, used to detect either a lamp outage or an

over-current condition for the TAIL LED array

8

CNTL

Determines, according to a percentange of VREF, the Pulse Width Controller

internal oscillator duty cycle

9

REF

Stable Reference Voltage

10

GND

Ground

11

GND

Ground

12

B+

Power Supply

13

TAIL

TAIL input pin. When brought high, TAIL activates the IC and drives the TAIL led

array.

14

STOP

STOP input pin. When brought high, STOP activates the IC and drives the

STOP led array.

15

TURN

TURN input pin. When brought high, TURN activates the IC and drives the

TURN led array.

16

FDBK

Internal Error Amplifier Inverting Pin

17

P-OUT

Power MOSFET drain pin

18

TS-PWM

A Three State Input. It determine the control logic for TAIL and STOP Low Side

Drivers.

19

LMP-OUT

A weak pulled up signal during lamps No Fault condition and an active pulldown

when a Fault condition is detected.

20

GND

Ground

TYPE

STLC1

STLC1PD