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VB024

STMicroelectronics
Part Number VB024
Manufacturer STMicroelectronics
Description HIGH VOLTAGE IGNITION COIL DRIVER POWER IC
Published Apr 16, 2005
Detailed Description VB024 HIGH VOLTAGE IGNITION COIL DRIVER POWER IC TYPE VB024 s s s s s V CL 400 V IC 8A Id 100 mA PRIMARY COIL CURREN...
Datasheet PDF File VB024 PDF File

VB024
VB024

Overview
VB024 HIGH VOLTAGE IGNITION COIL DRIVER POWER IC TYPE VB024 s s s s s V CL 400 V IC 8A Id 100 mA PRIMARY COIL CURRENT INTERNALLY SET PRIMARY COIL VOLTAGE INTERNALLY SET AUTOMATIC SHUT-OFF AT MAX CURRENT LOGIC LEVEL COMPATIBLE INPUT DIGITAL SIGNAL FEEDBACK TO INDICATE A PREDETERMINED CURRENT LEVEL DESCRIPTION The VB024 is a high voltage integrated circuit made using SGS-THOMSON VIPower thecnology, with vertical current flow power darlington and logic level compatible driving circuit.
The device performs the following functions: power stage for driving the primary side of the ignition coil, digital signal feedback to the control IC to indicate a predetermined current level, automatic shut-off at maximum current, self clamping for voltage flyback and logic level input.
ISOWATT7 BLOCK DIAGRAM September 1993 1/8 VB024 ABSOLUTE MAXIMUM RATING Symbol HV C IC Vd Id V in Vs Is Tj T stg Collector Voltage Collector Current Driving Stage Supply Voltage Driving Circuitry Supply Current Maximum Input Voltage Control Circuitry Supply Voltage Control Circuitry Supply Current Operating Junction Temperature Storage Temperature Range Parameter Value Internally Limited Internally Limited 16 600 10 8 200 -40 to 150 -55 to 150 Unit V A V mA V V mA o o C C THERMAL DATA R thj-cas e Rthj- amb Thermal Resistance Junction Case Thermal Resistance Junction Ambient (MAX) (MAX) 2.
5 30 o o C/W C/W CONNECTION DIAGRAM PIN FUNCTION No 1 2 3 4 5 6 7 NAME GND LATCH ENABLE Vd OUT Vs INPUT FLAG Output of A Logic Signal When Ic Is Greater Than 3 A FUNCTION Emitter Power and Control Ground Enables Of The Latch Circuitry Which Turn Off The Driver Supply Voltage For The Power Stage Output to The Primary Coil Supply Voltage For The Control Stage 2/8 VB024 ELECTRICAL CHARACTERISTICS (Vb = 12 V; Vs = 5 V Regulated; T j = 25 oC; Rcoil = 500 mΩ; Lcoil = 6mH unless otherwise specified) Symbol V cl V ce(sat) I s(on) Vs I d(on) Vd I diag V inH V inL I inH V pos V neg V hys Ic (max) t off V diagH V d...


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