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VB525SP Datasheet(PDF) 5 Page - STMicroelectronics

Part No. VB525SP
Description  High voltage ignition coil driver power integrated circuit
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VB525SP Datasheet(HTML) 5 Page - STMicroelectronics

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VB525SP-E
Block diagram and pin description
Doc ID 18022 Rev 2
5/19
1
Block diagram and pin description
Figure 1.
Block diagram
Table 2.
Pin function
Pin number
Name
Function
1, 5
LGND
Signal ground
2, 3, 4
GND
Emitter power ground
6E
Enable(1)
1.
When grounded the input is enabled
7VCC
Logic supply voltage
8
BD
Base darlington
9
INPUT
Logic input channel (internal pull down)
10
FLAG
Diagnostic output signal (open emitter)
Tab
HVC
Primary coil output driver (open collector)
DRIVER
GND
REFERENCE
RSENSE
VCC
HVC
VIN
QUASI PROP.
BASE CURRENT
-
THERMAL
PROTECTION
BD
E
DIAGNOSTIC
OUTPUT
VCC
VR
VF1
VLIM
VTH
SN
LIMITER
LGND


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