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L497 - HALL EFFECT PICKUP IGNITION CONTROLLER

Datasheet Summary

Description

The L497is an integratedelectronicignition controller for breakerless ignition systemsusing Hall effect sensors.

The device drives an NPN external darlington to control the coil current providingthe required stored energy with low dissipation.

Features

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Datasheet preview – L497

Datasheet Details

Part number L497
Manufacturer STMicroelectronics
File Size 106.87 KB
Description HALL EFFECT PICKUP IGNITION CONTROLLER
Datasheet download datasheet L497 Datasheet
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Full PDF Text Transcription

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L497 HALL EFFECT PICKUP IGNITION CONTROLLER . . . . . . . . . DIRECT DRIVING OF THE EXTERNAL POWER DARLINGTON COIL CURRENT CHARGING ANGLE (dwell) CONTROL PROGRAMME COIL CURRENT PEAK LIMITATION PROGRAMMABLE DWELL RECOVERY TIME WHEN 94 % NOMINAL CURRENT NOT REACHED RPM OUTPUT PERMANENT CONDUCTION PROTECTION OVERVOLTAGE PROTECTION FOR EXTERNAL DARLINGTON INTERNAL SUPPLY ZENER REVERSE BATTERY PROTECTION DIP16 SO16 ORDERING NUMBERS : L497B (DIP16) L497D1 (SO16) DESCRIPTION The L497is an integratedelectronicignition controller for breakerless ignition systemsusing Hall effect sensors. BLOCK DIAGRAM The device drives an NPN external darlington to control the coil current providingthe required stored energy with low dissipation.
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