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VB029 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 VB029은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 VB029 자료 제공

부품번호 VB029 기능
기능 HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C.
제조업체 STMicroelectronics
로고 STMicroelectronics 로고


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VB029 데이터시트, 핀배열, 회로
VB029 / VB029SP
® / VB029(011Y) / VB029(012Y)
HIGH VOLTAGE IGNITION COIL DRIVER
POWER I.C.
TYPE
VB029
VB029SP
VB029(011Y)
VB029(012Y)
Vcl
320V
Icl Id(on)
12A 230mA
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 DOUBLE FLAG-ON COIL CURRENT
s DARLINGTON BASE ACCESSIBLE
DESCRIPTION
The VB029, VB029SP, VB029(011Y)
VB029(012Y) are a high voltage power integrated
circuit designed in STMicroelectronics VIPower
technology, with vertical current flow power
darlington and logic level compatible driving
circuit. Built-in protection circuit for coil current
limiting and collector voltage clamping allows the
device to be used as smart, high voltage, high
BLOCK DIAGRAM
PENTAWATT HV PENTAWATT HV (011Y)
10
1
PowerSO-10
PENTAWATT HV (012Y)
ORDER CODES:
PowerSO-10
PENTAWATT HV
PENTAWATT HV (011Y)
PENTAWATT HV (012Y)
VB029SP
VB029
VB029(011Y)
VB029(012Y)
current interface in advanced electronic ignition
system.
Vd
Vbase
HVC
INPUT
DRIVER
DIAG
July 1999
OVERTEMP.
PROTECTION
DIAG 1
+
-
-
DIAG 2
+
QUASI PROP.
BASE CURRENT
REFERENCE
RSENSE
GND
1/10




VB029 pdf, 반도체, 판매, 대치품
VB029 / VB029SP / VB029(011Y) / VB029(012Y)
PRINCIPLE OF OPERATION
The VB029, VB029SP, VB029(011Y)
VB029(012Y) are mainly intended as high voltage
power switch device driven by a logic level input and
interfaces directly to a high energy electronic ignition coil.
The input VIN of the VB029, VB029SP, VB029(011Y)
VB029(012Y) are fed from a low power signal
generated by an external controller that determines both
dwell time and ignition point. During VIN high (4V) the
VB029, VB029SP, VB029(011Y) VB029(012Y)
increase current in the coil to the desired, internally set
current level.
When the collector current exceeds 4.5A, the diagnostic
signal is turned high and it remains so, until the load
current reaches 5.8A (second threshold). At that value,
the diagnostic signal is turned low, and the µC forces the
VIN to the low state. During the coil current switch-off, the
primary voltage HVC is clamped by a series of Zener
diodes at an internally set value Vcl, typically 360V.
The collector current sensed through the Rsense, is limited
thanks to the “Current limiter” block that, as soon as the Icl
level is reached, forces the darlington (using the “Driver”
block) to limit the current provided.
The transition from saturation to desaturation, coil current
limiting phase, must have the ability to accommodate an
overvoltage. A maximum overshoot of 20V is allowed.
There can be some short period of time in which the
output pin (HVC) is pulled below ground by a negative
current due to leakage inductances and stray
capacitances of the ignition coil. This can cause parasitic
glitches on the diagnostic output. VB029, VB029SP,
VB029(011Y) VB029(012Y) have a built-in protection
circuit that allows to lock the p-buried layer potential of the
linear stage to the collector power, when the last one is
pulled underground.
FIGURE 1: Application circuit
THERMAL BEHAVIOUR
You can see in the block diagram of the VB029,
VB029SP, VB029(011Y) VB029(012Y) a box called
overtemperature protection. The purpose of this circuit is
to shift the current level at which the first diagnostic is
activated down of about 1A.
This information can be managed by the micro that can
take the corrective action in order to reduce the power
dissipation. This block is not an effective protection but
just an overtemperature detection. The shift down of the
first flag level cannot be present for temperatures lower
than 125°C.
As an example of its behavior you can suppose a very
simple motor management system in which the micro
does just a simple arithmetic calculation to decide when to
switch-off the device after the first flag threshold.
EXAMPLE:
IC(DIAG1) info after x ms (IC(DIAG1)=2.5A)
Iswitch-off info after kx ms.
As soon as the temperature rises over the overtemp
threshold, the first diagnostic is shifted down to about
1.5A and, in this example, the switch-off current will be
kx*1.5 / 2.5.
OVERVOLTAGE
The VB029, VB029SP, VB029(011Y)
VB029(012Y) can withstand the following transients of
the battery line:
-100V / 2ms (Ri=10)
+100V / 0.2ms (Ri=10)
+50V / 400ms (Ri=4.2 Ω, with VIN=3V)
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VB029 전자부품, 판매, 대치품
DIM.
A
C
D
E
F
G1
G2
H1
H2
H3
L
L1
L2
L3
L5
L6
L7
M
M1
R
V4
Diam
VB029 / VB029SP / VB029(011Y) / VB029(012Y)
PENTAWATT HV MECHANICAL DATA
MIN.
4.30
1.17
2.40
0.35
0.60
4.91
7.49
9.30
15.60
14.60
21.20
22.20
2.60
15.10
6
2.50
4.50
0.50
3.65
mm.
TYP
10.05
MAX.
MIN.
4.80
0.169
1.37
0.046
2.80
0.094
0.55
0.014
0.80
0.024
5.21
0.193
7.80
0.295
9.70
0.366
10.40
10.40
17.30
6.14
15.22
0.575
21.85
0.835
22.82
0.874
3 0.102
15.80
0.594
6.60
0.236
3.10
0.098
5.60
0.177
0.02
90° (typ)
3.85
0.144
inch
TYP.
0.396
MAX.
0.189
0.054
0.11
0.022
0.031
0.205
0.307
0.382
0.409
0.409
0.681
0.599
0.860
0.898
0.118
0.622
0.260
0.122
0.220
0.152
P023H3
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