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參數(shù)資料
| 型號： | VB326 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C |
| 中文描述： | 高壓點火線圈驅(qū)動功率集成電路 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 193K |
| 代理商： | VB326 |
4/9
VB326SP
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
I
EH
High Level Sinked Enable
Current
Low Level Sinked Enable
Current
Base Darlington Voltage Off
Base Darlington Voltage On
V
E
=5V
500
μ
A
I
EL
V
E
<0.4V
- 200
μ
A
V
BD(off)
V
BD(on)
V
E
=V
EH
V
IN
=V
INH
; V
E
=V
EL
; I
C
=6.5A
1
V
V
1.8
1
PRINCIPLE OF OPERATION
The VB326SP 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 VB326SP is fed from a low
power signal generated by an external controller
that determinesboth dwell time and ignition point.
During Vin high (
≥
4V) the VB326SP 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 Vin from high to low (typ. 1.9V
threshold).
During the coil current switch-off, the primary
voltage HV
C
is clamped at an internally set value
V
cl
, typically 380V. The transition from saturation
to desaturation, coil current limiting phase, must
have the ability to accomodate an overvoltage.
A maximum overshoot of 20V is allowed.
FEEDBACK
When the collector current exceeds 6.5A, the
feedback signal is turned high and it remains so,
until the input voltage is turned-off.
OVERVOLTAGE
The VB326SP can withstand the following
transients of the battery line:
-100V/2msec(R
i
=10
)
+100V/0.2msec (R
i
=10
)
+50V/400msec (R
i
= 4.2
, with V
IN
= 3V)
Figure 1:
Flag current Vs. temperature
Figure 2:
Single pulse avalanche energy capability
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
0
10
20
30
40
50
60
70
80
90
100
110
L (mH)
E
Tc=25o
C
Tc=150o
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|---|---|
| VB326-75 | 功能描述:RF 連接器 BNC R/A PCB Mount Jack 75 Ohm RoHS:否 制造商:Bomar Interconnect 產(chǎn)品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
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| VB326SP-E | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Coil Driver Power IC 360V, 10A, 150mA RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| VB326SPTR-E | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Hi-Volt Int Circuit VIPower M1-3 Tech RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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