L482 STMicroelectronics, L482 Datasheet
L482
Manufacturer Part Number
L482
Description
HALL.EFFECT PICKUP IGNITION CONTROLLER
Manufacturer
STMicroelectronics
Available stocks
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November 1991
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DESCRIPTION
The L482 is an integrated circuit designed for use
with an NPN darlington in breakerless ignition sy-
stems with hall-effect pickup sensors and high ener-
gy ignition coils.
It controls the energy stored in the ignition coil and
the desaturation time of the external darlington to
limit the power dissipation.
PIN CONNECTIONS (top views)
DIRECT DRIVING OF THE EXTERNAL PO-
WER DARLINGTON
COIL CURRENT CHARGING ANGLE (DWELL)
CONTROL
COIL CURRENT PEAK VALUE LIMITATION
CONTINUOUS COIL CURRENT PROTECTION
CONDUCTION AND DESATURATION TIME
OUTPUT SIGNALS
PERMANENT CONDUCTION PROTECTION
RESET OUTPUT SIGNAL
OVERVOLTAGE PROTECTION FOR EXTER-
NAL DARLINGTON
LOAD DUMP PROTECTION
HALL–EFFECT PICKUP IGNITION CONTROLLER
DIP16
The L482 is also particularly suitable for use as igni-
tion control and driving stage in more sophisticated
car electronic systems which employ microproces-
sor circuits.
ORDERING NUMBERS : L482 (DIP16)
SO16
DIP16
SO16
L482D1 (SO16)
L482
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