BTS428L2T Infineon Technologies, BTS428L2T Datasheet
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BTS428L2T
Specifications of BTS428L2T
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BTS428L2T Summary of contents
Page 1
... Reverse battery protection with external resistor Loss of ground and loss Electrostatic discharge protection (ESD) Diagnostic Function Diagnostic feedback with open drain output Open load detection in ON-state Feedback of thermal shutdown in ON-state Infineon Technologies AG 60m 4.75...41V 7.0A 17A Block Diagram IN protection ST Page PROFET ® ...
Page 2
... Positive power supply voltage The tab is shorted to pin Diagnostic feedback, low on failure 5 OUT Positive power supply voltage Tab V bb The tab is shorted to pin 3 Infineon Technologies AG current limit gate control + charge clamp for logic pump inductive load temperature sensor Open load detection ...
Page 3
... V is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839 Load dump the maximum inductive switch-off energy Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm connection. PCB is vertical without blown air. Infineon Technologies °C unless otherwise specified = 13 ° ...
Page 4
... IN Operating current not subject to production test, specified by design 7 ) Supply voltages higher than V resistor for the GND connection is recommended. See also V circuit diagram page Measured with load ) 9 Add > 0, add Infineon Technologies AG Symbol R T =25 ° =150 ° L(ISO) I L(GNDhigh 90 OUT 10 OUT off ...
Page 5
... The temperature protection is not active during reverse current operation! Input and Status currents have to be limited (see max. ratings page 3 and circuit page 8 not subject to production test, specified by design Infineon Technologies AG Symbol I L(lim) T =-40°C: ...
Page 6
... On state input current (pin 2), V Delay time for status with open load (see timing diagrams on page 12) Status output (open drain) Zener limit voltage ST low voltage ground resistor R is used, add the voltage drop across this resistor. GND Infineon Technologies AG Symbol IN(T+) V IN(T-) V IN( ...
Page 7
... Normal L L operation Open load Overtem perature "Low" Level X = don't care H = "High" Level Status signal after the time delay shown in the diagrams (see fig 5. page 12) Infineon Technologies AG Status BTS 428L2 high impedance, potential depends on external circuit Page 7 BTS428L2 2003-Oct-01 ...
Page 8
... Status output R ST(ON) GND ESD-Zener diode: 6.1 V typ., max 5.0 mA 1.6 mA. The use of ESD zener diodes as voltage clamp at DC conditions is not recommended. Inductive and overvoltage output clamp V Z GND V clamped typ. ON Infineon Technologies AG Overvolt. and reverse batt. protection + OUT OUT V = 6.1 V typ ...
Page 9
... Consider at your PCB layout that in the case of Vbb dis- connection with energized inductive load all the load current flows through the GND connection. Infineon Technologies AG Inductive Load switch-off energy dissipation E OUT ...
Page 10
... Typ. on-state resistance high 175 150 125 100 Typ. standby current 9...34 V, IN1,2 = low bb bb(off bb(off - Infineon Technologies AG Tj=150°C 25°C -40° [V] bb 100 150 200 T [°C] j Page 10 BTS428L2 2003-Oct-01 ...
Page 11
... Figure 2a: Switching a resistive load, turn-on/off time and slew rate definition OUT 90 dV/dton 10 Infineon Technologies AG Figure 2b: Switching a lamp OUT The initial peak current should be limited by the lamp and not by the current limit of the device. Figure 2c: Switching an inductive load IN ...
Page 12
... ST Heating up of the chip may require several milliseconds, depending on external conditions Figure 4a: Overtemperature: Reset if T < OUT T J Infineon Technologies AG Figure 5a: Open load: detection in ON-state, open load occurs in on-state OUT L(SCr typ. d(ST OL) Figure 5b: Open load: turn on/off to open load t Page 12 ...
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... Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest 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 ...