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PDF BTS4130QGA Data sheet ( Hoja de datos )
| Número de pieza | BTS4130QGA | |
| Descripción | Smart High-Side Power Switch | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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Data Sheet, Rev. 1.0, March 2008
BTS4130QGA
Smart High-Side Power Switch
Automotive Power
1 page  
2 Block Diagram
IN0
ST 0/1
Channel 0
in te r n a l
power
su p p ly
ESD
protection
driver
logic
voltage sensor
over
te mp e r a tu r e
gate control
&
charge pump
clamp for
inductive load
over current
switch off
open load detection
Channel 1
IN1
Control and protection circuit equivalent to channel 0
VS
T
OUT 0
VS
T
OUT 1
IN2
ST 2/3
Channel 2
in te r n a l
power
su p p ly
ESD
protection
voltage sensor
driver
logic
over
te mp e r a tu r e
gate control
&
charge pump
clamp for
inductive load
over current
switch off
open load detection
Channel 3
IN3
Control and protection circuit equivalent to channel 0
VS
T
OUT 2
VS
T
OUT 3
BTS4130QGA
Block Diagram
Figure 1
GND
Block diagram for the BTS4130QGA
Data Sheet
5
Block diagram .emf
Rev. 1.0, 2008-03-18
5 Page 
BTS4130QGA
Power Stage
5.3 Inductive Output Clamp
When switching OFF inductive loads with high side switches, the voltage VOUT drops below ground potential,
because the inductance intends to continue driving the current. To prevent the destruction of the device due to
high voltages, there is a voltage clamp mechanism implemented that keeps the negative output voltage at a certain
level (VS-VDS(AZ)). Please refers to Figure 6 and Figure 7 for details. Nevertheless, the maximum allowed load
inductance is limited.
V BAT
IN
LOGIC
GND
VIN
VS
OUT
IL
L, RL
VDS
VOUT
Figure 6 Output clamp (OUT0 and OUT1)
IN
VOUT
VS
VS-VDS(AZ)
IL
Figure 7 Switching an inductance
Output clamp.vsd
t
tpeak
t
t
Switching an inductance.vsd
Data Sheet
11 Rev. 1.0, 2008-03-18
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet BTS4130QGA.PDF ] | |
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