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Infineon Technologies Electronic Components Datasheet

BTS50085-1TMB Datasheet

Smart High-side High Current Power Switch

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BTS50085-1TMB pdf
PROFET® Data Sheet BTS50085-1TMB
Smart Highside High Current Power Switch
Reversave
Product Summary
Reverse battery protection by self turn on of
power MOSFET
Features
Overload protection
Current limitation
Short circuit protection
Over temperature protection
Over voltage protection (including load dump)
Clamp of negative voltage at output
Overvoltage protection
Output clamp
Operating voltage
On-state resistance
Load current (ISO)
Short circuit current limitation
Current sense ratio
Vbb(AZ)
VON(CL)
Vbb(on)
RON
IL(ISO)
IL(SC)
IL : IIS
Fast deenergizing of inductive loads 1)
Low ohmic inverse current operation
Diagnostic feedback with load current sense
Open load detection via current sense
PG-TO220-7-11
Loss of Vbb protection2)
Electrostatic discharge (ESD) protection
Green product (RoHS compliant)
AEC qualified
7
Application
Power switch with current sense diagnostic
1
Standard
feedback for up to 48 V DC grounded loads
Most suitable for loads with high inrush current
like lamps and motors; all types of resistive and inductive loads
Replaces electromechanical relays, fuses and discrete circuits
70
62
5.0 ... 58
9
44
90
13 000
V
V
V
m
A
A
General Description
N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load
current sense, integrated in Smart SIPMOSchip on chip technology. Providing embedded protection functions.
Voltage
source
Voltage
sensor
3 IN
ESD
Logic
Overvoltage
protection
Current
limit
Gate
protection
R bb
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
4 & Tab
+ Vbb
OUT 1,2,6,7
IL
Load
I IN Temperature
sensor
VIN
V IS
Logic GND
I IS
IS
5
RIS
PROFET
Load GND
1) With additional external diode.
2) Additional external diode required for energized inductive loads (see page 9).
Infineon Technologies AG
Page 1
2008-Jan-24


Infineon Technologies Electronic Components Datasheet

BTS50085-1TMB Datasheet

Smart High-side High Current Power Switch

No Preview Available !

BTS50085-1TMB pdf
Pin
1
2
3
4
5
6
7
Symbol
OUT
OUT
IN
Vbb
IS
OUT
OUT
Data Sheet BTS50085-1TMB
Function
O Output to the load. The pins 1,2,6 and 7 must be shorted with each other
especially in high current applications! 3)
O Output to the load. The pins 1,2,6 and 7 must be shorted with each other
especially in high current applications! 3)
I Input, activates the power switch in case of short to ground
+
Positive power supply voltage, the tab is electrically connected to this pin.
In high current applications the tab should be used for the Vbb connection
instead of this pin4).
S Diagnostic feedback providing a sense current proportional to the load
current; zero current on failure (see Truth Table on page 7)
O
Output to the load. The pins 1,2,6 and 7 must be shorted with each other
especially in high current applications! 3)
O
Output to the load. The pins 1,2,6 and 7 must be shorted with each other
especially in high current applications! 3)
Maximum Ratings at Tj = 25 °C unless otherwise specified
Parameter
Symbol
Supply voltage (over voltage protection see page 4)
Supply voltage for full short circuit protection,
(EAS limitation see diagram on page 10)
Tj,start =-40 ...+150°C:
Load current (short circuit current, see page 5)
Load dump protection VLoadDump = UA + Vs, UA = 13.5 V
RI5) = 2 , RL = 0.23 , td = 200 ms,
IN, IS = open or grounded
Vbb
Vbb
IL
VLoad dump6)
Operating temperature range
Storage temperature range
Power dissipation (DC), TC 25 °C
Inductive load switch-off energy dissipation, single pulse
Vbb = 12V, Tj,start = 150°C, TC = 150°C const.,
IL = 20 A, ZL = 6 mH, 0 , see diagrams on page 10
Electrostatic discharge capability (ESD)
Human Body Model acc. MIL-STD883D, method 3015.7 and ESD
assn. std. S5.1-1993, C = 100 pF, R = 1.5 k
Current through input pin (DC)
Current through current sense status pin (DC)
see internal circuit diagrams on page 7 and 8
Tj
Tstg
Ptot
EAS
VESD
IIN
IIS
Values Unit
62 V
58 V
self-limited A
80 V
-40 ...+150
-55 ...+150
170
°C
W
1.2 J
4.0 kV
+15 , -250 mA
+15 , -250
3) Not shorting all outputs will considerably increase the on-state resistance, reduce the peak current capability
and decrease the current sense accuracy
4) Otherwise add up to 0.7 m(depending on used length of the pin) to the RON if the pin is used instead of the
tab.
5) RI = internal resistance of the load dump test pulse generator.
6) VLoad dump is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839.
Infineon Technologies AG
Page 2
2008-Jan-24


Part Number BTS50085-1TMB
Description Smart High-side High Current Power Switch
Manufacturer Infineon Technologies
Total Page 18 Pages
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