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VB325SP 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 VB325SP은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 VB325SP 기능
기능 HIGH VOLTAGE IGNITION COIL DRIVER POWER IC
제조업체 STMicroelectronics
로고 STMicroelectronics 로고


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VB325SP 데이터시트, 핀배열, 회로
® VB325SP
HIGH VOLTAGE IGNITION COIL DRIVER
POWER I.C.
TYPE
VB325SP
Vcl
380V
Icl ICC
10A 150mA
s PRIMARY COIL VOLTAGE INTERNALLY SET
s COIL CURRENT LIMIT INTERNALLY SET
s LOGIC LEVEL COMPATIBLE INPUT
s DRIVING CURRENT QUASI PROPORTIONAL
TO COLLECTOR CURRENT
s SINGLE FLAG-ON COIL CURRENT
s LOW VOLTAGE CLAMP THERMAL
SHUTDOWN
10
1
PowerSO-10
DESCRIPTION
The VB325SP is a high voltage power integrated
circuit made us ing the STMicroelectronics
VIPower™ M1-3 technology, with vertical current
flow pow er dar lington and logic l evel compatible
driving circuit. The enable pin allows to externally
block the s witch when the i nput i s on. B uilt-in
protection c ircuit for c oil c urrent limiting a nd
collector voltage clamping allows the device to be
used as smart, high voltage, high current interface
BLOCK DIAGRAM
VCC
in advanced electronic ignition system. If the input
signal from the micro happens to remain high, the
device pr otects i tself ag ainst ov er-heating by
forcing collector current to s mooth decrease (low
voltage clamp feature) and no und esidered spark
occurs (see figure 4).
BD
HVC
VIN
DRIVER
QUASI PROP.
BASE CURRENT
DIAGNOSTIC
OUTPUT
LIMITER
VCC
VF1
VR -
REFERENCE
VLIM
VTH
THERMAL
PR OTECTION
RSENSE
SN
November 2003
E
LGND
GND
1/9
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VB325SP pdf, 반도체, 판매, 대치품
VB325SP
ELECTRICAL CHARACTERISTICS (continued)
Symbol
IEH
IEL
VBD(off)
VBD(on)
Parameter
High Level Enable Current
Low Level Enable Current
Base Darlington Voltage Off
Base Darlington Voltage On
Test Conditions
VE=5V
VE<0.4V
VE=VEH
VIN=VINH; VE=VEL; IC=6.5A
Min Typ Max Unit
500 µA
- 200
µA
1V
1.8 V
PRINCIPLE OF OPERATION
The VB325SP is mainly intended as a high voltage
power switch dev ice driven by a l ogic l evel i nput
and interfaces directly to a high energy electronic
ignition coil.
The i nput V IN o f the V B325SP i s fed from a l ow
power s ignal gener ated by an ex ternal c ontroller
that determinesboth dwell time and ignition point.
During V in hi gh ( 4V) t he V B325SP increases
current i n t he c oil t o t he desired, internally s et
current level.
After re aching this level, the coil current remains
constant until th e ignition point, that corresponds
to the t ransition of Vin from high to low (typ. 1.9V
threshold).
During the coi l curre nt sw itch-off, the p rimary
voltage HVC is clamped at an i nternally set value
Vcl, typically 380V. The transition from saturation
to de saturation, c oil c urrent l imiting p hase, m ust
have the ability to accomodate an overvoltage.
A maximum overshoot of 20V is allowed.
FEEDBACK
When th e c ollector c urrent ex ceeds 4.5A , t he
feedback signal is turned high and it remains so,
until the input voltage is turned-off.
OVERVOLTAGE
The V B325SP c an w ithstand the f ollowing
transients of the battery line:
-100V/2msec(Ri =10 )
+100V/0.2msec (Ri =10 )
+50V/400msec (Ri = 4.2 , with VIN= 3V)
Figure 1: Flag current Vs. temperature
4/9
Figure 2: Single pulse avalanche energy capability
700
650
600
550
500
450
400
350
300
250
200
150
100
50
0
0
Tc=25º
C
Tc=150º
10 20 30 40 50 60 70 80 90 100 110
L (mH)

4페이지










VB325SP 전자부품, 판매, 대치품
VB325SP
PowerSO-10MECHANICAL DATA
DIM.
A
A (*)
A1
B
B (*)
C
C (*)
D
D1
E
E2
E2 (*)
E4
E4 (*)
e
F
F (*)
H
H (*)
h
L
L (*)
α
α (*)
MIN.
3.35
3.4
0.00
0.40
0.37
0.35
0.23
9.40
7.40
9.30
7.20
7.30
5.90
5.90
1.25
1.20
13.80
13.85
1.20
0.80
(*) Muar only POA P013P
mm.
TYP
1.27
0.50
MAX.
3.65
3.6
0.10
0.60
0.53
0.55
0.32
9.60
7.60
9.50
7.60
7.50
6.10
6.30
1.35
1.40
14.40
14.35
1.80
1.10
MIN.
0.132
0.134
0.000
0.016
0.014
0.013
0.009
0.370
0.291
0.366
0.283
0.287
0.232
0.232
0.049
0.047
0.543
0.545
0.047
0.031
inch
TYP.
0.050
0.002
HE
10
E2
B
0.10 A B
E4
h
A
F
A1
1
eB
0.25
D
= D1=
==
DETAIL "A"
SEATING
PLANE
A
C
SEATING
PLANE
A1
DETAIL "A"
L
α
P095A
MAX.
0.144
0.142
0.004
0.024
0.021
0.022
0.0126
0.378
0.300
0.374
300
0.295
0.240
0.248
0.053
0.055
0.567
0.565
0.070
0.043
7/9

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관련 데이터시트

부품번호상세설명 및 기능제조사
VB325SP

HIGH VOLTAGE IGNITION COIL DRIVER POWER IC

STMicroelectronics
STMicroelectronics

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