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BTS6143D Datasheet(PDF) 9 Page - Infineon Technologies AG

Part No. BTS6143D
Description  Smart Highside Power Switch
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Maker  INFINEON [Infineon Technologies AG]
Homepage  http://www.infineon.com
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 9 page
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Data sheet BTS 6143 D
Infineon Technologies AG
9 of 16
2003-Oct-01
Input circuit (ESD protection)
IN
ZD
IN
I
V bb
Rbb
V
Z,IN
V bIN
V IN
ESD-Zener diode: 67 V typ., max 15 mA;
Current sense output
Normal operation
IS
IS
R
ZD
IS
V
Vbb
Z,IS
V
Rbb
IIS
IIS,fault
VZ,IS = 67 V (typ.), RIS = 1 kΩ nominal (or 1 kΩ /n, if n
devices are connected in parallel). IS = IL/kilis can be
only driven by the internal circuit as long as
Vout - VIS > 5V. Therefore RIS should be less than
mA
V
V
bb
5
.
7
5
.
Note: For large values of RIS the voltage VIS can reach
almost Vbb. See also overvoltage protection.
If you don't use the current sense output in your
application, you can leave it open.
Inductive and overvoltage output clamp
+ Vbb
OUT
PROFET
V
Z1
V
ON
VON is clamped to VON(Cl) = 42 V typ
Overvoltage protection of logic part
+ Vbb
VOUT
IN
bb
R
Signal GND
Logic
PROFET
V
Z,IS
R
IS
IN
R
IS
V
Z,IN
R V
V Z,VIS
Rbb = 100 Ω typ., VZ,IN = VZ,IS = 67 V typ., RIS = 1 kΩ
nominal. Note that when overvoltage exceeds 67 V typ.
a voltage above 5V can occur between IS and GND, if
RV, VZ,VIS are not used.




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