BTS409L1NK Infineon Technologies, BTS409L1NK Datasheet

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BTS409L1NK

Manufacturer Part Number
BTS409L1NK
Description
Manufacturer
Infineon Technologies
Datasheet

Specifications of BTS409L1NK

Switch Type
High Side
Power Switch Family
BTS409L1
Input Voltage
-10 to 16V
Power Switch On Resistance
160mOhm
Output Current
1.8A
Number Of Outputs
Single
Mounting
Through Hole
Supply Current
1.8mA
Package Type
TO-220AB
Operating Temperature (min)
-40C
Operating Temperature (max)
150C
Operating Temperature Classification
Automotive
Pin Count
5 +Tab
Power Dissipation
18W
Lead Free Status / Rohs Status
Not Compliant
Smart Highside Power Switch
Features
Application
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, monolithically integrated in Smart SIPMOS technology. Providing embedded protective functions.
1
Infineon Technologies AG
)
auto-restart and hysteresis
feedback for 12 V and 24 V DC grounded loads
Overload protection
Current limitation
Short circuit protection
Thermal shutdown
Overvoltage protection (including load dump)
Fast demagnetization of inductive loads
Reverse battery protection
Undervoltage and overvoltage shutdown with
Open drain diagnostic output
Open load detection in ON-state
CMOS compatible input
Loss of ground and loss of V
Electrostatic discharge (ESD) protection
All types of resistive, inductive and capacitve loads
Replaces electromechanical relays, fuses and discrete circuits
C compatible power switch with diagnostic
With external current limit (e.g. resistor R
connection, reverse load current limited by connected load.
4
2
ST
IN
ESD
Voltag
sensor
Voltag
source
V
Logic
1 )
Logic
bb
protection
Overvoltag
protectio
Charge
Level
Rectifier
1
f
GND
GND
Signal GND
=150 ) in GND connection, resistor in series with ST
Curren
Product Summary
Overvoltage protection
Operating voltage
On-state resistance
Load current (ISO)
Current limitation
1
limit
Short to
unclampe
Open
ind.
detectio
Standard
Limit for
protectio
Gate
PROFET
5
Temperatur
TO-220AB/5
sensor
Straight leads
R
GND
+ V bb
O
OUT
V
V
R
I
I
L(ISO)
L(SCr)
Load GND
bb(AZ)
bb(on)
ON
1
3
5
5
5.0 ... 34 V
BTS409L1
2003-Oct-01
Load
SMD
200 m
2.3
43
1
4
5
V
A
A

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BTS409L1NK Summary of contents

Page 1

... Logic Voltag sensor 2 IN Logic ESD With external current limit (e.g. resistor R connection, reverse load current limited by connected load. Infineon Technologies AG Product Summary Overvoltage protection Operating voltage On-state resistance Load current (ISO) Current limitation protection Standard Gate Overvoltag Curren limit protectio ...

Page 2

... DUT connected to the generator per ISO 7637-1 and DIN 40839 Load dump ) 5 Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm connection. PCB is vertical without blown air. Infineon Technologies AG Function Logic ground Input, activates the power switch in case of logical high signal Positive power supply voltage, the tab is shorted to this pin ...

Page 3

... Overvoltage protection Standby current (pin Leakage output current (included Operating current (Pin =-40...+150° supply voltage increase See also V in table of protection functions and circuit diagram page 7. ON(CL) Infineon Technologies AG Symbol R T =25 ° =150 ° L(ISO) I L(GNDhigh see diagram 90 OUT 10 ...

Page 4

... The temperature protection is not active during reverse current operation! Input and Status currents have to be limited (see max. ratings page 2 and circuit page 7). 11) External pull up resistor required for open load detection in off state. Infineon Technologies AG Symbol I L(SCp) T =-40° ...

Page 5

... Status output (open drain) Zener limit voltage T =-40...+150° low voltage T =-40...+25° +150° 12 ground resistor R is used, add the voltage drop across this resistor. GND Infineon Technologies AG Symbol ) =-40..+150° IN(T+) T =-40..+150° IN(T-) V IN( ...

Page 6

... Power Transistor off, high impedance 13 ) with external resistor between pin 3 and pin 5 14 15) An external short of output used, an offset voltage at the GND and ST pins will occur and the V ) Low resistance may be detected in ON-state by the no-load-detection bb Infineon Technologies AG Status 15) L 16) ...

Page 7

... PROFET GND V clamped typ. ON Overvolt. and reverse batt. protection Logic GND V = 6.2 V typ typ 3.5 k typ Infineon Technologies AG Open-load detection ON-state diagnostic condition: V +5V high ST ESD- ZD Logic unit OFF-state diagnostic condition OUT Logic unit GND disconnect + PROFET GND Signal GND = 150 , GND Any kind of load ...

Page 8

... IN 2 OUT PROFET GND other external inductive loads L are connected to the PROFET, additional elements like D are necessary. Infineon Technologies AG Inductive Load switch-off energy dissipation E bb OUT 5 = Energy stored in load inductance: While demagnetizing load inductance, the energy dissipated in PROFET OUT 5 with an approximate solution for R ...

Page 9

... Transient thermal impedance chip case Z = f(t )Z [K/W] thJC p thJC 10 1 0.1 0.01 1E-5 1E-4 1E-3 1E-2 1E-1 Infineon Technologies AG D= 0.5 0.2 0.1 0.05 0.02 0.01 0 1E0 1E1 1E2 t p [s] 9 BTS409L1 2003-Oct-01 ...

Page 10

... Figure 1a: V turn on OUT ST open drain proper turn on under all conditions Figure 2a: Switching a lamp OUT I L Infineon Technologies AG Figure 2b: Switching an inductive load IN t d(ST OUT L(OL the time constant of load is too large, open-load-status may occur Figure 3a: Short circuit shut down by overtempertature, reset by cooling ...

Page 11

... IN t d(ST OUT I L open The status delay time t allows to ditinguish between d(ST OL4) the failure modes "open load" and "overtemperature". Infineon Technologies AG Figure 5b: Open load: detection in ON-state, open load occurs in on-state IN t d(ST OL1 OUT normal typ., t ...

Page 12

... Figure 6a: Undervoltage bb(under) V OUT ST open drain Figure 6b: Undervoltage restart of charge pump bb(over bb(o rst) bb(u rst) V bb(u cp) V bb(under) charge pump starts at V =5.6 V typ. bb(ucp) Infineon Technologies AG Figure 7a: Overvoltage bb(u cp) V bb(u rst) V OUT ON(CL BTS409L1 bb(over) bb(o rst) ON(CL) ...

Page 13

... Package and Ordering Code All dimensions in mm Standard TO-220AB/5 BTS409L1 TO-220AB/5, Option E3043 BTS409L1 E3043 Infineon Technologies AG SMD TO-220AB/5, Opt. E3062 Ordering code Q67060-S6107-A2 BTS409L1 E3062A T&R: Changed since 04.96 Date Dec 1996 Ordering code Q67060-S6107-A3 2000 13 BTS409L1 Ordering code Q67060-S6107-A4 ...

Page 14

... 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 ...

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