VB326 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

VB326

HIGH VOLTAGE IGNITION COIL DRIVER POWER IC

STMicroelectronics 

VB326SP

Figure 3: Self Clamped Inductive Switching Figure 4: Low voltage clamp feature

Current Vs. Time

10

8

T=25º

6

4

T=150º

2

0

200

300

400

500

600

700

800

900

1000

Time in Clamp (µsec)

Figure 5: Typical application diagram

+5V

1µF

100nF

Vbat

µP

1K

1K

1K

1nF 18K

VIN VCC

E

BD

HVC

FLAG

LGND

GND

ENABLE pin can be alternatively connected to LGND

5/9

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