VB526SP-E
High voltage ignition coil driver power integrated circuit
Features
Type
VB526SP-E
V cl
360 V
I cl
10 A
I
CC
150 mA
■
■
■
■
■
■
■
ECOPACK
®
: lead free and RoHS compliant
Primary coil voltage internally set
Coil current limit internally set
Logic level compatible input
Driving current quasi proportional to collector current
Single flag on coil current
Low voltage clamp thermal shutdown
10
1
PowerSO-10
Description
The VB526SP-E is a high voltage power integrated circuit made using the
STMicroelectronics™ VIPower™ M1-3 technology, with Darlington and logic level compatible vertical current flow power driving circuit.
The enable pin allows to externally block the switch when the input is on. A built-in protection circuit for coil current limiting and collector voltage clamping allows the device to be used as a smart, high voltage, high current interface in advanced electronic ignition systems. If the input signal from the microcontroller happens to remain high, the device protects itself against overheating by forcing collector current to smoothly decrease
(low voltage clamp feature) to avoid undesired spark.
Table 1.
Device summary
Package
PowerSO-10
September 2013
Tube
VB526SP-E
Order codes
Tape and real
VB526SPTR-E
Doc ID 18029 Rev 2 1/19
www.st.com
1
1
2
Contents
Contents
3
4
5
6
VB526SP-E
Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
Absolute maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1
Principle of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2
Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.3
Overvoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1
ECOPACK
®
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2
PowerSO-10 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3
Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2/19 Doc ID 18029 Rev 2
VB526SP-E
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PowerSO-10 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Doc ID 18029 Rev 2 3/19
List of figures
List of figures
VB526SP-E
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
Connection diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3.
Switching time for inductive load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4.
Flag current vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 5.
Single pulse avalanche energy capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 6.
Self clamped inductive switching current vs time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 7.
Low voltage clamp feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 8.
Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 9.
PowerSO-10 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 10.
PowerSO-10 suggested pad layout and tube shipment (no suffix). . . . . . . . . . . . . . . . . . . 17
Figure 11.
PowerSO-10 tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4/19 Doc ID 18029 Rev 2
VB526SP-E
1
Block diagram and pin description
Block diagram and pin description
Figure 1.
Block diagram
V
CC
BD
HV
C
V
IN
DRIVER
QUASI PROP.
BASE CURRENT
R
SENSE
DIAGNOSTIC
OUTPUT
LIMITER
V
R
V
CC
V
F1
-
REFERENCE
V
LIM
V
TH
THERMAL
PROTECTION
SN
E
LGND
Table 2.
Pin function
Pin number Name
1, 5
2, 3, 4
6
9
10
7
8
LGND
GND
E
V
CC
BD
INPUT
FLAG
Tab HV
C
1.
When grounded the input is enabled
Function
Signal ground
Emitter power ground
Enable
(1)
Logic supply voltage
Base darlington
Logic input channel (internal pull down)
Diagnostic output signal (open emitter)
Primary coil output driver (open collector)
GND
Doc ID 18029 Rev 2 5/19
Block diagram and pin description
Figure 2.
Connection diagram (top view)
E
V
CC
BD
INPUT
FLAG
HV
C
8
9
6
7
10
TAB
Note:
Pin 1 and pin 5 must be connected to pin2, pin 3 and pin 4
5
4
3
2
1
LGND
GND
GND
GND
LGND
VB526SP-E
6/19 Doc ID 18029 Rev 2
VB526SP-E Electrical specifications
2.1 Absolute maximum rating
Stressing the device above the ratings listed in the “Absolute maximum ratings” tables may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to the conditions in this section for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents.
Table 3.
Symbol
Absolute maximum ratings
Parameter
V
ESD
V
ESD
V
ESD
I
BD
V
BD
T j
T stg
V
E
I
E
HV c
I
C
I
C(gnd)
Collector voltage (internally limited)
Collector current (internally limited)
DC current on emitter power
V
CC
I s
I s(gnd)
V
IN
Driving stage supply voltage
Driving circuitry supply current
DC current on ground pin
Input voltage f
I
IN
Maximum current
IN
Logic input frequency in operative mode
V
OUT(flag)
Output voltage primary threshold current level
I
OUT(flag)
Flag output current
P max
Power Dissipation (T c
= 25 °C)
E s/b
Self clamped energy during output power clamping
(see
Figure 5
)
ESD voltage (HV c
pin)
ESD voltage (enable pin)
ESD voltage (other pins)
Input darlington base current
Input darlington base voltage
Operating junction temperature
Storage temperature range
Maximum enable voltage
Maximum enable current
Value
-0.3 to V clamp
10
±10.5
-0.3 to 7
±200
±1
-0.3 to V
CC
+ 0.3
100
DC to 150
-0.3 to V
CC
+ 0.3
100
125
275
±4
+1.5; -2
±2
150
Internally limited
-40 to 150
-55 to 150
-0.3 to 5.5
±150 mJ
V
°C
°C
V
µA
KV
KV
KV mA
Unit
V mA
Hz
V mA
W
V
A
A
V mA
A
Doc ID 18029 Rev 2 7/19
Electrical specifications
Table 4.
Symbol
Thermal data
Parameter
R thj-case
Thermal resistance junction-case (max)
R thj-amb
Thermal resistance junction-ambient (max)
VB526SP-E
Value
1
51
Unit
°C/W
°C/W
8/19 Doc ID 18029 Rev 2
VB526SP-E Electrical characteristics
5.3 V < V bat
< 24 V; V
CC
= 5 V ±10 %; -40 °C < T unless otherwise specified
(a)
.
j
< 125 °C; R coil
= 580 m
Ω; L coil
= 3.75 mH
Table 5.
Symbol
Electrical characteristics
Parameter Test conditions
V
V cl
High voltage clamp
V lcl
Low voltage clamp ce(sat)
Power stage saturation voltage
I
CC(stdby)
Standby supply current
I
I coil
I coil
C
= 6.5 A
= 6.5 A; T j
= 6 A; V
IN = Off
IN
= T
= 4 V sd
I
CC
I
CC(peak)
DC logic current
V b
= 16 V; I
C
= 6.5 A; f = 100 Hz;
Load = Coil; V
CC
= 5.5 V
Peak DC logic current during on phase
I
C
= 6.5 A
I
T
V
CC
I cl c(off) lc_ctr
DC logic voltage
Output off-state current
Thermal temperature output current control
-40 °C < T j
< 125 °C
(1)
IN = Off; V
HVC
T j
= 25 °C
= 24 V; V
CC
= 5 V;
OUT = On
V
V
V
INH
INL
IN(hyst)
V
I
I
I
INH
INL
INpd diagH
High level input voltage
V
CC
= 4.5 V
Low level input voltage V
CC
= 5.5 V
Input threshold hysteresis
High level input current
V
IN
= 4 V
Low level input current V
IN
= 0.8 V
Input active pull down V
IN
= 4 V
High level flag output voltage
R
EXT
= 22 K
Ω; C
EXT
= 1 nF
(2)
V diagL
I diagTH
Low level flag output voltage
Coil current level threshold
R
T j
EXT
= 22 K
Ω; C
= 25 °C
EXT
= 1 nF
(2)
Min Typ
320
30
4.5
9
150
4
-0.3
0.4
0
10
V
CC
- 1
360
40
1.5
100
6.15
6.5
Max Unit
420
50
V
V
2
11
40
150
5.5
11
5
Internally limited
°C
V
CC
0.8
100
30
100
V
CC
0.5
6.85
V mA mA mA
V
A mA
V
V
V
µA
µA
µA
V
V
A a.
Parametric degradation are allowed with 5.3 V< V b
< 10 V and V b
> 24 V.
Doc ID 18029 Rev 2 9/19
Electrical characteristics VB526SP-E
Table 5.
Symbol
Electrical characteristics (continued)
Parameter Test conditions Min Typ Max Unit
I diagTD
I diag
Coil current level threshold drift
High level flag output current
I diag(leak)
Leakage current on flag output
V
E
F s/b
Anti parallel diode forward voltage
Single pulse avalanche energy
(See
Figure 4
)
I
C
> I diagTH
; V diag
= 3 V
V
IN
= Low; V
CC
= 5.5 V
I
C
= -1 A t t
ON
OFF
Turn-on time
Turn-off time
L = 6 mH; I
C
= 8 A (see
Figure 5
)
R c
T j
= 0.5
Ω; L
= 25 °C; V c bat
(see
Figure 3
)
= 3.75 mH;
= 13 V
R c
I
C
= 0.5
Ω; L
= 6.5 A; T j c
(see
Figure 3
)
= 3.75 mH;
= 25 °C; V bat
= 13 V
V
V
V
V
I
T
I sd
EH
EL
EH
EL
BD(off)
BD(on)
Thermal shutdown intervention
High level enable voltage
Low level enable voltage
High level sinked enable current
Low level sinked enable current
Base darlington voltage off
Base darlington voltage on
V
V
OUT
V
V
V
V
IN
E
E
E
IN
= V
INH
free to follow V
= 5 V
< 0.4 V
= V
EH
= V
INH
; OUT = Off
(3)
; V
E
= V
EL
IN
; I
C
= 6.5 A
0.5
150
2
-200
1.8
180
1
15
1.
The primary coil current value I cl
must be measured ms after desaturation of the power stage.
2.
No internal pull-down.
3.
If ENABLE pin is floating OUT = Off for every input status.
10
2
5
25
0.40
500
1 mA
µA
V mJ
µs
µs
°C
V
V
µA
µA
V
V
10/19 Doc ID 18029 Rev 2
VB526SP-E
Figure 3.
Switching time for inductive load
Electrical characteristics
V gen
R gen
V bat
C
D.U.T
E
V gen t
V
CC
100V
V bat
3V t
OFF t t
ON
Doc ID 18029 Rev 2 11/19
Electrical characteristics VB526SP-E
Figure 4.
Flag current vs temperature Figure 5.
Single pulse avalanche energy capability
500
450
400
350
300
250
200
150
100
50
0
700
650
600
550
0
Tc=25º
Tc=150º
10 20 30 40 50
L (mH)
60 70 80 90 100 110
Figure 6.
Self clamped inductive switching current vs time
10
8
6
T=25º
4
2
T=150º
0
200 300 400 500 600 700
Time in Clamp (µsec)
800 900 1000
Figure 7.
Low voltage clamp feature
12/19 Doc ID 18029 Rev 2
VB526SP-E Application schematic
Figure 8.
Application diagram
+5V
μP
1 μF
1nF
18K
100nF
1K
1K
1K
V
IN
E
V
CC
FLAG
LGND
BD
GND
HV
C
V bat
Note:
ENABLE pin can be alternatively connected to LGND.
4.1 Principle of operation
The VB526SP-E is mainly intended as a high voltage power switch device driven by a logic level input and interfaces directly to a high energy electronic ignition coil.
The input V
IN
of the VB526SP-E is fed from a low power signal generated by an external controller that determines both dwell time and ignition point. During V
IN
high (
≥ 4 V) the
VB526SP-E increases current in the coil to the desired, internally set current level.
After reaching this level, the coil current remains constant until the ignition point, that corresponds to the transition of V
IN
from high to low (typ. 1.9 V threshold).
During the coil current switch-off, the primary voltage HV
C
is clamped at an internally set value V cl
, typically 380 V. The transition from saturation to desaturation, coil current limiting phase, must have the ability to accommodate an overvoltage.
A maximum overshoot of 20 V is allowed.
4.2 Feedback
When the collector current exceeds 6.5 A, the feedback signal is turned high and it remains so, until the input voltage is turned-off.
Doc ID 18029 Rev 2 13/19
Application schematic
4.3 Overvoltage
The VB526SP-E can withstand the following transients of the battery line:
●
●
●
-100 V / 2 msec (R i
= 10
Ω)
+100 V / 0.2 msec (R i
= 10
Ω)
+50 V / 400 msec (R i
= 4.2
Ω, with V
IN
= 3 V)
VB526SP-E
14/19 Doc ID 18029 Rev 2
VB526SP-E Package information
5.1 ECOPACK
®
packages
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
® specifications, grade definitions and product status are available at: www.st.com
.
ECOPACK
®
is an ST trademark.
5.2 PowerSO-10 mechanical data
Figure 9.
PowerSO-10 package dimensions
B
0.10 A B
10
H E
E2
E4
1 e
0.25
D
D1
= =
B
DETAIL "A"
SEATING
PLANE
A
C
A
F
A1 h
DETAIL "A"
α
SEATING
PLANE
A1
L
P095A
Doc ID 18029 Rev 2 15/19
Package information
Table 6.
PowerSO-10 mechanical data
Symbol
A
A
(1)
A1
B
B
(1)
E2
E2
(1)
E4
E4
(1)
C 0.35
C
(1)
0.23
9.40
D
D1
(2)
E
(2)
7.40
9.30
7.20
7.30
5.90
5.90
e
F
F
(1)
1.25
1.20
Min.
3.35
3.4
0.00
0.40
0.37
H
H
(1)
13.80
13.85
h
L
L
(1)
1.20
0.80
α
α
(1)
0º
2º
1.
Muar only POA P013P.
2.
Resin protrusion not included (max value: 0.20 mm per side).
Millimeters
Typ.
1.27
0.50
VB526SP-E
1.80
1.10
8º
8º
1.35
1.40
14.40
14.35
7.60
9.50
7.60
7.50
0.53
0.55
0.32
9.60
6.10
6.30
Max.
3.65
3.6
0.10
0.60
16/19 Doc ID 18029 Rev 2
VB526SP-E Package information
Figure 10. PowerSO-10 suggested pad layout and tube shipment (no suffix)
CASABLANCA MUAR
14.6 - 14.9
10.8 - 11
6.30
C
B
C
A
A
B
0.67 - 0.73
0.54 - 0.6
9.5
1
2
3
4
5
8
7
10
9
6
1.27
All dimensions are in mm.
Casablanca
Muar
Base Q.ty Bulk Q.ty Tube length (± 0.5) A
50
50
1000
1000
532
532
B
C (±
0.1)
10.4 16.4
0.8
4.9 17.2
0.8
Figure 11. PowerSO-10 tape and reel shipment (suffix “TR”)
REEL DIMENSIONS
Base Q.ty
Bulk Q.ty
A (max)
B (min)
C (± 0.2)
F
G (+ 2 / -0)
N (min)
T (max)
600
600
330
1.5
13
20.2
24.4
60
30.4
All dimensions are in mm.
TAPE DIMENSIONS
According to Electronic Industries Association
(EIA) Standard 481 rev. A, Feb. 1986
Tape width
Tape Hole Spacing
Component Spacing
Hole Diameter
Hole Diameter
Hole Position
Compartment Depth
Hole Spacing
W
P0 (± 0.1)
24
4
P
24
D (± 0.1/-0)
1.5
D1 (min)
1.5
F (± 0.05)
11.5
K (max)
P1 (± 0.1)
6.5
2
All dimensions are in mm.
End
Top cover tape
No components
500mm min
Components No components
Empty components pockets saled with cover tape.
500mm min
User direction of feed
Start
Doc ID 18029 Rev 2 17/19
Revision history
Table 7.
Date
27-Sep-2010
18-Sep-2013
Document revision history
Revision
1
2
Initial release.
Updated Disclaimer
Changes
VB526SP-E
18/19 Doc ID 18029 Rev 2
VB526SP-E
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Doc ID 18029 Rev 2 19/19
