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PDF ( 数据手册 , 数据表 ) BTS50080-1TMB

零件编号 BTS50080-1TMB
描述 Smart High-Side Power Switch
制造商 Infineon Technologies
LOGO Infineon Technologies LOGO 


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BTS50080-1TMB 数据手册, 描述, 功能
Datasheet, Rev. 1.0, Jan. 2008
BTS50080-1TMB
Smart High-Side Power Switch
PROFET®
One Channel
Automotive Power







BTS50080-1TMB pdf, 数据表
Smart High-Side Power Switch
BTS50080-1TMB
General Product Characteristics
Note: Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions are
not designed for continuous repetitive operation.
4.2 Thermal Resistance
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.2.1
4.2.2
Junction to Case1)
Junction to Ambient 1)
free air
device on PCB 2)
Rthjc – 0.7 0.8 K/W –
Rthja
K/W –
- 60 -
- 33 -
1) Not subject to production test, specified by design.
2) Device mounted on PCB (50 mm x 50 mm x 1.5mm epoxy, FR4) with 6 cm2 copper heatsinking area (one layer, 70 µm
thick) for Vbb connection. PCB is vertical without blown air.
Datasheet
8 Rev. 1.0, 2008-01-23







BTS50080-1TMB equivalent, schematic
Smart High-Side Power Switch
BTS50080-1TMB
Protection Functions
VON(SC) detection
IIN
VON
IL
Figure 12
tm
td(SC1)
V ONx > VON(SC)
ILx(SC)
Overload Behavior
IIN
t IL
t
Τj
t
V_ON_detect .emf
Over temperature detection
t
t
thermal hysteresis
t
Over_Temp.emf
6.2 Short circuit impedance
The capability to handle single short circuit events depends on the battery voltage as well as on the primary and
secondary short impedance. Figure 13 outlines allowable combinations for a single short circuit event of
maximum, secondary inductance for given secondary resistance.
5uH
10m
Vbb
Vbb
IN OUT
PROFET
IS
SHORT
CIRCUIT
Figure 13 Short circuit
/ 6& 
9 EE 9 9 9 9
LSC —+
R SC




short_circuit.emf

    P 
5 6&
Datasheet
16 Rev. 1.0, 2008-01-23










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