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PDF L482 Data sheet ( Hoja de datos )
| Número de pieza | L482 | |
| Descripción | HALL.EFFECT PICKUP IGNITION CONTROLLER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L482 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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L482
HALL–EFFECT PICKUP IGNITION CONTROLLER
. 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
DIP16
DE S CRI P T IO N
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)
SO16
ORDERING NUMBERS : L482 (DIP16)
L482D1 (SO16)
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.
DIP16
SO16
November 1991
1/11
1 page  
ELECTRICAL CHARACTERISTICS (Continued)
Symbol
tPC
V1
V6
I6L
I9L
Parameter
Test Conditions
Permanent
Conduction VI = H
Protection Time (pin 8) (see fig. CI = 1µF
2)
Charging Angle Output Voltage
LOW
HIGH
ISINK = 0
ISINK = 1mA
ISOURCE = 1.5mA
ISOURCE = 2.5mA
Desat. Time Output Low I6 (sink) = 0.5mA
Voltage
Desat. Time Leakage Current V6 = 5V
(pin6)
Permanent Conduction Reset
Leakage Current (pin9)
V9 = 5V
L482
Min.
1
Typ.
3
Max.
5
Unit
s
0.5 V
1.2 V
3V
5V
0.7 V
10.5 µA
10.5 µA
APPLICATION INFORMATION
Figure 1 : Main Waveforms.
5/11
5 Page 
L482
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for
the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its
use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifica-
tions mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information pre-
viously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of SGS-THOMSON Microelectronics.
© 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore -
Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet L482.PDF ] | |
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