BTS 50085-1TMA Infineon Technologies, BTS 50085-1TMA Datasheet

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BTS 50085-1TMA

Manufacturer Part Number
BTS 50085-1TMA
Description
Manufacturer
Infineon Technologies
Datasheet

Specifications of BTS 50085-1TMA

Packages
PG-TO220-7
Channels
1.0
Ron @ Tj = 25°c
9.0 mOhm
Recommended Operating Voltage Min.
5.5 V
Recommended Operating Voltage Max.
58.0 V
Il(sc)
50.0 A
Smart Highside High Current Power Switch
Reversave
• Reverse battery protection by self turn on of
Features
• Overload protection
• Current limitation
• Short circuit protection
• Over temperature protection
• Over voltage protection (including load dump)
• Clamp of negative voltage at output
• Fast deenergizing of inductive loads
• Low ohmic inverse current operation
• Diagnostic feedback with load current sense
• Open load detection via current sense
• Loss of V
• Electrostatic discharge (ESD) protection
• Green product (RoHS compliant)
• AEC qualified
Application
• Power switch with current sense diagnostic
• Most suitable for loads with high inrush current
• Replaces electromechanical relays, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load
current sense, integrated in Smart SIPMOS  chip on chip technology. Providing embedded protection functions.
1
2
Infineon Technologies AG
)
)
power MOSFET
like lamps and motors; all types of resistive and inductive loads
feedback for up to 48 V DC grounded loads
With additional external diode.
Additional external diode required for energized inductive loads (see page 9).
bb
protection
I
IN
3
Logic GND
V
IN
IN
V
2
)
IS
ESD
5
IS
Voltage
Voltage
sensor
source
Logic
I
R
IS
IS
1
)
Overvoltage
protection
Charge pump
Level shifter
Rectifier
Page 1
Current
PROFET ® Data Sheet BTS50085-1TMA
Product Summary
Overvoltage protection
Output clamp
Operating voltage
On-state resistance
Load current (ISO)
Short circuit current limitation I
Current sense ratio
limit
Temperature
unclamped
ind. loads
detection
Voltage
Limit for
Output
sensor
protection
Gate
R
bb
Current
Sense
PG-TO220-7-4
PROFET
SMD
1
+ V bb
OUT
V
V
V
R
I
I
L(ISO)
L(SC)
L :
bb(AZ)
ON(CL)
bb(on)
ON
1,2,6,7
4 & Tab
I
7
I
IS
L
Load GND
Load
5.0 ... 58
13 000
2008-Jan-24
70
44
90
62
9 mΩ
V
V
V
A
A

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BTS 50085-1TMA Summary of contents

Page 1

... V IS Logic GND 1 ) With additional external diode Additional external diode required for energized inductive loads (see page 9). Infineon Technologies AG PROFET ® Data Sheet BTS50085-1TMA Product Summary Overvoltage protection Output clamp Operating voltage On-state resistance Load current (ISO) Short circuit current limitation I ...

Page 2

... V is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839. Load dump Infineon Technologies AG Function Output to the load. The pins 1,2,6 and 7 must be shorted with each other especially in high current applications! Output to the load. The pins 1,2,6 and 7 must be shorted with each other ...

Page 3

... Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm connection. PCB is vertical without blown air not subject to production test, specified by design about 105°C under these conditions See timing diagram on page 14. 11 Infineon Technologies AG R chip - case : ° ...

Page 4

... see diagram on page 15. When bIN (typ.) the charge pump is not active and See also V in circuit diagram on page 9. ON(CL) Infineon Technologies ° 150 ° (Pins 1,2,6,7 to Tab > out ...

Page 5

... Note that under off-conditions (I is not activated. This results in raised power dissipation due to the higher voltage drop across the intrinsic drain-source diode. The temperature protection is not active during reverse current operation! To reduce the power dissipation at the integrated R Infineon Technologies AG Symbol T =-40°C: ...

Page 6

... IS,lim ) not subject to production test, specified by design recommend the resistance between IN and GND to be less than 0.5 21 kΩ 500 for turn-off. Consider that when the device is switched off (I reaches almost Infineon Technologies AG Symbol A,T =-40° =25° =150°C: ...

Page 7

... Two or more devices can easily be connected in parallel to increase load current capability. ) Low ohmic short may reduce the output current Power Transistor "OFF", potential defined by external impedance. 23 Infineon Technologies AG Output Current Sense level nominal H I IS, lim ...

Page 8

... Fault Condition: V > typ.) and t> t ON(SC) ON (80 ...300 µs). Short circuit Logic detection unit Infineon Technologies AG Current sense status output (typ.), R Z,IS devices are connected in parallel). I driven only by the internal circuit as long you want measure load currents ...

Page 9

... IN and IS pin should be about 120mA. The current can be provided by using a small signal diode D in parallel to the input switch, by using a MOSFET input switch or by proper adjusting the current through R IS Infineon Technologies AG V disconnect with energized inductive bb load + V ...

Page 10

... R L > 0 Ω: · OUT(CL · L Infineon Technologies AG Maximum allowable load inductance for a single switch off j,start = 150° Ω OUT 10000 V + OUT 1000 0). ...

Page 11

... V typ OUT ) Latch except when OUT 0 V only if forced externally). So the device remains latched unless V between turn on and t . d(SC) ) Can be "switched off" by using a diode D 25 Infineon Technologies AG BTS50085-1TMA < V after shutdown. In most cases V ON(SC) (see page 8) or leaving open the current sense output. ...

Page 12

... Current sense ratio f -40°C j ILIS L k ilis 24000 22000 20000 18000 max 16000 14000 typ 12000 min 10000 8000 Infineon Technologies AG Current sense ratio f(I ILIS L 20000 18000 16000 14000 12000 10000 8000 [A] k ilis L Current sense ratio f(I ILIS L ...

Page 13

... Typ. on-state resistance [mOhm 150° 85°C 10 25°C 8 -40° Infineon Technologies AG Typ. input current bIN I [mA] IN 1.6 1.4 1.2 only for t < t d(SC) 1.0 0.8 0.6 0.4 25° static dynamic 40 ...

Page 14

... Figure 2b: Switching motors and lamps OUT Sense current saturation can occur at very high inrush currents (see I on page 6). IS,lim Infineon Technologies AG Figure 2c: Switching an inductive load dV/dtoff V OUT t off I t slc(IS ...

Page 15

... Reset if T < Auto Restart V OUT T j Figure 6f: Undervoltage restart of charge pump, overvoltage clamp V OUT V IN dynamic, short 6 Undervoltage not below V bIN( bIN(u) bIN(ucp) Infineon Technologies ON(CL ON(CL) Page 15 Data Sheet BTS50085-1TMA 2008-Jan-24 ...

Page 16

... Green Product (RoHS compliant) To meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product. Green products are RoHS-Compliant (i.e Pb- free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020). Infineon Technologies AG BTS50085-1TMA 1.27 ±0.1 ...

Page 17

... Revision History Version Date Changes Rev. 1.0 2008-01-24 Initial version of data sheet. Green (RoHS compliant) variant of BTS660P Infineon Technologies AG Data Sheet BTS50085-1TMA Page 17 2008-Jan-24 ...

Page 18

... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...

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