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PDF BTS443P Data sheet ( Hoja de datos )
| Número de pieza | BTS443P | |
| Descripción | Smart Highside Power Switch | |
| Fabricantes | Infineon Technologies AG | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BTS443P (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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PROFET® BTS 443 P
Smart Highside Power Switch
Reversave
Product Summary
• Reverse battery protection by self turn on of
power MOSFET
Features
• Short circuit protection
Operating voltage
On-state resistance
Load current (ISO)
• Current limitation
Current limitation
• Overload protection
• Thermal shutdown
• Overvoltage protection (including load dump)
Package
PG-TO252-5-11
• Loss of ground protection
• Loss of Vbb protection (with external diode for
charged inductive loads)
• Very low standby current
• Fast demagnetisation of inductive loads
• Electrostatic discharge (ESD) protection
• Optimized static electromagnetic compatibility (EMC)
• Green product (RoHS compliant)
• AEC qualified
Vbb(on)
RON
IL(ISO)
IL(SCr)
5.0 ... 36 V
16 mΩ
25 A
65 A
Diagnostic Function
• Proportional load current sense (with defined fault signal during thermal shutdown)
Application
• Power switch with current sense diagnostic feedback for 12V and 24 V DC grounded loads
• All types of resistive, capacitive and inductive loads (no PWM with inductive loads)
• Replaces electromechanical relays, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load
current sense, integrated in Smart SIPMOS chip on chip technology. Providing embedded protective functions.
3 & Tab
Voltage
source
Overvoltage
protection
Current
limit
Gate
protection
R bb
+ Vbb
Voltage
sensor
2 IN
ESD
Logic
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
OUT 1, 5
IL
Load
I IN Temperature
sensor
VIN
VIS
Logic GND
IS I IS
4
RIS
PROFET
Load GND
Data Sheet
Page 1 of 15
Rev. 1.0, 2007-02
1 page  
PROFET® BTS 443 P
Diagnostic Characteristics
Current sense ratio, static on-condition
kILIS = IL : IIS
VON<1.5 V, VIS<VOUT- 5 V, VbIN>4.5 V 9)
kILIS
IL = 20A, Tj = -40°C:
Tj = +25°C:
Tj = +150°C:
IL = 5A, Tj = -40°C:
Tj = +25°C:
Tj = +150°C:
IL = 2.5A, Tj = -40°C:
Tj = +25°C:
Tj = +150°C:
IL = 1A, Tj = -40°C:
Tj = +25°C:
Tj = +150°C:
IIN = 0 (e.g. during de-energising of inductive loads):
Sense current under fault conditions;
VDS>1.5V, typ.
Tj= -40...+150°C:
Fault-Sense signal delay after negative input slope
Current sense leakage current
IIS,fault
tdelay(fault)
IIN = 0: IIS(LL)
VIN = 0, IL = 0: IIS(LH)
Current sense settling time to IIS static±10% after
positive input slope, IL = 0 20 A 10)
tson(IS)
Tj= -40...+150°C:
Overvoltage protection
Ibb = 15 mA
Tj = -40...+150°C: VbIS(Z)
-- 8200 --
7400
7500
7500
6800
7200
7200
6800
6800
6800
6800
6800
6800
8300 9100
8300 9100
8200 8800
8300 9700
8300 9300
8200 9000
8500 10000
8500 9800
8100 9200
8600 10500
8600 10500
8600 10500
-- n.a.
--
2.5 4
-- mA
0.8 ms
-- -- 0.5 µA
-- 4 12
-- -- 400 µs
61 68
-- V
Input
Required current capability of input switch
Tj =-40..+150°C:
Maximum input current for turn-offTj =-40..+150°C:
IIN(on)
IIN(off)
-- 0.7 1.2 mA
-- -- 50 µA
9) If VON is higher, the sense current is no longer proportional to the load current due to sense current
saturation.
10) Not subject to production test, specified by design.
Data Sheet
Page 5 of 15
Rev. 1.0, 2007-02
5 Page 
Figure 3a: Short circuit:
IN
IL
I L(SCp)
I L(SCr)
IIS IISfault
Figure 4a: Overtemperature
Reset if Tj<Tjt
IIN
IIS IIS,fault
VOUT
Auto Restart
PROFET® BTS 443 P
Figure 5a: Undervoltage restart of charge pump,
overvoltage clamp
12 VOUT
10
VIN = 0
8
6
dynamic, short
Undervoltage
nVobtINb(eul)ow
4
VON(CL)
2 IIN = 0
VON(CL)
t
0
0 Vb2IN(u) 4
V6bIN(ucp8)
10 V1b2b
Tj
Data Sheet
t
Page 11 of 15
Rev. 1.0, 2007-02
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet BTS443P.PDF ] | |
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