VB027(6)-11-E STMicroelectronics, VB027(6)-11-E Datasheet
VB027(6)-11-E
Specifications of VB027(6)-11-E
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VB027(6)-11-E Summary of contents
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ABSTRACT This paper describes a solid state integrated ignition driver circuit designed to drive a high energy coil in a microprocessor based EMS (Engine Management System) under the direct control of a micro-controller. The paper begins with a review of ...
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APPLICATION NOTE to the most negative supply. The selection type substrate as the starting point allows complete compatibility between vertical NPN and IC fabrication steps standard power NPN, the thickness and resistivity of the first ...
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Its main features are: - minimum external components required - coil current limit internally set - built-in collector-emitter voltage clamping - TTL/CMOS compatible input - output diagnostic to microprocessor for angle control and overtemperature protection - die-size compatible with TO-220 ...
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APPLICATION NOTE A. Current Limitation and Quasi Proportional Base Driving Due to the low resistance of the high energy ignition coil, a current limitation system has to keep the output current within the boundaries of the Safe Operating Areas (Reverse ...
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Figure 6. V versus temperature clamp 400 350 300 250 200 150 100 Diagnostic Output and Over-temperature Protection The diagnostic signal indicates the primary coil current level to the micro-controller. The diagnostic output goes high when the ...
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APPLICATION NOTE D. Dynamic Bias of the P-type buried layer At turn-on, when the current in the primary coil is close to zero evident that the effect of the oscillation of the secondary current is due, mainly, to ...
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