SGS Thomson Microelectronics L9639 Datasheet

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BIDIRECTIONALSWITCH
MOTOR STOP CONTROLLED BY MOTOR

CURRENT
START UP AND END CURRENT DETEC-

TION THRESHOLDS PROGRAMMABLE
WITH EXTERNALRSHUNT

STOP DELAY TIME FOR START UP AND
END PHASE PROGRAMMABLE WITH EX­TERNAL RC

OUTPUTSHORTCIRCUITPROTECTION
OUTPUTCURRENT LIMITING > 8A
THERMALPROTECTION
ACTIVE DIODE BRIDGE INTERNALLY DIF-

FUSED
MAXIMUMVOLTAGESUPPLY50V

BLOCK DIAGRAM

L9639

FOLDER ACTUATOR

PowerSO20

TECHNOLOGYMULTIPOWERBCD60II

GND
1,10,11,20

LIVE
2

COMMON

19

ACTIVE
BRIDGE

V+

14

POWER ON

RESET

CHARGE
CEX.

8

RCEX

OPEN LOAD

DETECTOR

CHARGE
PUMP

LOGIC HV REF.

VOLTAGE

THERMAL
PROTECT.

VREF S H U N T

COMP.

17

CURRENT
PROTECT.

CONTROL
LOGIC LV

REF.COMP.
CURRENT

5346

16

POWER
DUAL DMOS

November 1998

1/6

L9639

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

bat

I

out

T

op

PIN CONNECTION

Supply Voltage 50 V
Output current DC

at Is

Operating Temperature -40 to 125 °C

5
6

A
A

THERMAL DATA

GND

LIVE COMMON

SHUNT
SHUNT

SHUNT

VREF

NC

RCEX

GND

1
2
3
4
5

6

7
8

9

10

20
19
18
17
16

15

14
13

12

11

GND

NC
OUT
OUT
NC
V+

NC
NCNC

GND

Symbol Parameter Value Unit

Thermal Resistance Junction to case Max. 4 °C/W

2/6

R

th j-case