L9639 Datasheet, PDF (1/6 Pages) STMicroelectronics – FOLDER ACTUATOR

®
BIDIRECTIONAL SWITCH
MOTOR STOP CONTROLLED BY MOTOR
CURRENT
START UP AND END CURRENT DETEC-
TION THRESHOLDS PROGRAMMABLE
WITH EXTERNAL RSHUNT
STOP DELAY TIME FOR START UP AND
END PHASE PROGRAMMABLE WITH EX-
TERNAL RC
OUTPUT SHORT CIRCUIT PROTECTION
OUTPUT CURRENT LIMITING > 8A
THERMAL PROTECTION
ACTIVE DIODE BRIDGE INTERNALLY DIF-
FUSED
MAXIMUM VOLTAGE SUPPLY 50V
BLOCK DIAGRAM
L9639
FOLDER ACTUATOR
PowerSO20
TECHNOLOGY MULTIPOWER BCD60II
GND
1,10,11,20
LIVE
2
COMMON _V+
19 14
OPEN LOAD
DET ECTOR
AC TIVE
BR IDGE
CHARGE
PUMP
17
16
POW ER
DUAL DMOS
POW ER ON
RES ET
LOGIC HV
CHARGE
CEX.
REF.
VOLTAGE
T HER MAL
PROTEC T.
CURRENT
PROTECT.
CONTROL
LOGIC LV
REF. COMP.
CURRENT
8
RCEX
6
VREF
5
3
4
SHUNT
November 1998
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