BTS640S2NK Infineon Technologies, BTS640S2NK Datasheet
BTS640S2NK
Specifications of BTS640S2NK
Related parts for BTS640S2NK
BTS640S2NK Summary of contents
Page 1
... Loss of ground and loss Electrostatic discharge (ESD) protection Application C compatible power switch with diagnostic feedback for 12 V and grounded loads All types of resistive, inductive and capacitve loads Replaces electromechanical relays, fuses and discrete circuits General Description N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic feedback, proportional sense of load current, monolithically integrated in Smart SIPMOS technology ...
Page 2
... Function Diagnostic feedback: open drain, invers to input level Logic ground Input, activates the power switch in case of logical high signal Positive power supply voltage, the tab is shorted to this pin Sense current output, proportional to the load current, zero in the case of current limitation of load current Output, protected high-side power output to the load ...
Page 3
... SMD version, device on PCB Electrical Characteristics Parameter and Conditions ° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance (pin 4 to 6& Output voltage drop limitation at small load currents (pin 4 to 6&7), see page 0.5 A Nominal load current, ISO Norm 0 ° ...
Page 4
Parameter and Conditions ° unless otherwise specified j bb Operating Parameters ) Operating voltage 5 Undervoltage shutdown Undervoltage restart Undervoltage restart of charge pump see diagram page 13 Undervoltage hysteresis V bb(under) ...
Page 5
... Protection Functions 8) Initial peak short circuit current limit Repetitive short circuit shutdown current limit (see timing diagrams, page 12) Output clamp (inductive load switch off OUT = ON(CL mA, Thermal overload trip temperature Thermal hysteresis Reverse battery (pin Reverse battery voltage drop Diagnostic Characteristics ...
Page 6
Parameter and Conditions ° unless otherwise specified j bb Current sense settling time positive input slope -40...+150°C Current sense settling ...
Page 7
Truth Table Input level Normal L operation H Current- L limitation H Short circuit to L GND H Over- L temperature H Short circuit Open load L H Undervoltage L H Overvoltage L H Negative ...
Page 8
Terms PROFET GND GND R GND Input circuit (ESD protection ...
Page 9
Overvoltage protection of logic part + Logic 6.1 V typ typ 150 ...
Page 10
... V disconnect with charged external bb inductive load 4 V high OUT 1 PROFET ST OUT 5 IS GND other external inductive loads L are connected to the PROFET, additional elements like D are necessary. Inductive Load switch-off energy dissipation PROFET = 5 IS GND Energy stored in load inductance · · While demagnetizing load inductance, the energy ...
Page 11
... The sense signal is not valid during settling time after turn or change of load current. Figure 1b: V turn on proper turn on under all conditions Semiconductor Group Figure 2a: Switching a lamp OUT t doff(ST off t slc(IS Figure 2b: Switching a lamp with current limit soff(IS OUT Page 11 BTS 640 2003-Oct-01 ...
Page 12
... Figure 2c: Switching an inductive load OUT Figure 3a: Short circuit: shut down by overtempertature, reset by cooling IN I L(SCp L(SCr Heating up may require several milliseconds, depending on external conditions typ. increases with decreasing temperature. L(SCp) Semiconductor Group Figure 4a: Overtemperature: Reset if T < Figure 5a: Open load: detection in ON-state, ...
Page 13
Figure 5b: Open load: detection in ON- and OFF-state (with R ), turn on/off to open load EXT OUT I L open load I IS Figure 6a: Undervoltage bb(under ...
Page 14
Figure 8a: Current sense versus load current: 1.3 [mA 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 Semiconductor Group Figure 8b: Current sense ratio 15000 10000 5000 0 I ...
Page 15
... For information on the types in question please contact your nearest Infineon Technologies Office. Q67060-S6307-A6 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 ...