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PDF ( 数据手册 , 数据表 ) BTS5090-2EKA

零件编号 BTS5090-2EKA
描述 Smart High-Side Power Switch
制造商 Infineon Technologies
LOGO Infineon Technologies LOGO 


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BTS5090-2EKA 数据手册, 描述, 功能
PROFET™+ 12V
BTS5090-2EKA
Smart High-Side Power Switch
Dual Channel, 90mΩ
Data Sheet
Rev. 2.1, 2011-09-01
Automotive Power







BTS5090-2EKA pdf, 数据表
BTS5090-2EKA
Pin Configuration
3.3 Voltage and Current Definition
Figure 3 shows all terms used in this data sheet, with associated convention for positive values.
VS IS
VIN0
IIN0
VIN1
VDEN
IIN1
IDEN
VDSEL
IN0
IN1
DEN
IDSEL
DSEL
IIS
VIS
IS
VS
OUT0
OUT1
GND
IGND
VDS0
IOUT0
VOUT0 VDS1
IOUT1
VOUT1
Figure 3 Voltage and Current Definition
voltage and current convention.vsd
Data Sheet
PROFET™+ 12V
8 Rev. 2.1, 2011-09-01







BTS5090-2EKA equivalent, schematic
5.3 Inductive Load
BTS5090-2EKA
Power Stage
5.3.1
Output Clamping
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 by
avalanche due to high voltages, there is a voltage clamp mechanism ZDS(AZ) implemented that limits negative
output voltage to a certain level (VS - VDS(AZ)). Please refer to Figure 10 and Figure 11 for details. Nevertheless,
the maximum allowed load inductance is limited.
VBAT
ZDS(AZ)
VS
IN
LOGIC
VIN
GND
ZGND
OUT
IL
L, RL
VDS
VOUT
Figure 10 Output Clamp (OUT0 and OUT1)
IN
Output clamp.svg
VOUT
VS
VS-VDS(AZ)
IL
Figure 11 Switching an Inductive Load Timing
t
t
t
Switching an inductance.vsd
Data Sheet
PROFET™+ 12V
16 Rev. 2.1, 2011-09-01










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