BTS824R Infineon Technologies, BTS824R Datasheet
BTS824R
Specifications of BTS824R
BTS824RT
SP000013628
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BTS824R Summary of contents
Page 1
... Reverse battery protection with external resistor Loss of ground and loss of V Electrostatic discharge protection (ESD) Diagnostic Function Diagnostic feedback with open drain output Open load detection in OFF-state Feedback of thermal shutdown in ON-state Infineon Technologies AG 5.5...40V bb four parallel 90m 22.5m ON 4.7A 19 ...
Page 2
... Functional diagram overvoltage protection internal voltage supply IN1 ESD . ST1/2 IN2 GND1/2 IN3 ST3/4 IN4 GND3/4 Infineon Technologies AG gate current limit control + charge clamp for logic pump inductive load temperature reverse sensor battery protection Open load detection channel 1 control and protection circuit ...
Page 3
... OUT3 12,13 OUT4 4 ST1/2 Diagnostic feedback 1/2,3/4 of channel 1,2,3,4 8 ST3/4 open drain, low on failure 2 GND1/2 Ground of chip 1 (channel 1,2) 6 GND3/4 Ground of chip 2 (channel 3,4) Infineon Technologies AG Pin configuration (top view GND1/2 2 IN1 3 ST1/2 4 IN2 5 GND3/4 6 IN3 7 ST3/4 8 IN4 9 V ...
Page 4
... V is setup without the DUT connected to the generator per ISO 7637-1 and DIN 40839 Load dump ) 4 Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cm connection. PCB is vertical without blown air. See page only for testing Infineon Technologies AG = 25°C unless otherwise specified 13 ...
Page 5
... PCB is vertical without blown air. See page Soldering point: upper side of solder edge of device pin 15. See page not subject to production test, specified by design ) 9 See timing diagram on page 12. Infineon Technologies AG Symbol each channel: R thjs R thja one channel active: all channels active: Symbol each of the four channels ...
Page 6
... Fault conditions are considered as "outside" normal operating range. Protection functions are not designed for continuous repetitive operation channels are connected in parallel, output clamp is usually accomplished by the channel with the lowest 16 V ON(CL) Infineon Technologies AG Symbol each of the four channels V bb(on) T =-40° ...
Page 7
... Input and Status currents have to be limited (see max. ratings page 4 and circuit page 9 ground resistors R 18 are used, add the voltage drop across these resistors. GND ) not subject to production test, specified by design 19 Infineon Technologies AG Symbol each of the four channels - > ...
Page 8
... Chip 1 I ST1/2 4 ST1/2 V IN1 V IN2 V ST1/2 GND1 GND1/2 Leadframe ( connected to pin 1,10,11,20 bb External R optional; two resistors R GND battery protection up to the max. operating voltage potential at the Output exceeds the OpenLoad detection voltage 20 Infineon Technologies AG Chip 1 IN1 IN2 Chip 2 IN3 IN4 Channel 1 ( ...
Page 9
... ST1/2 or ST3/4 R ST(ON) GND ESD-Zener diode: 6.1 V typ., max 0.3 mA 1.6 mA. The use of ESD zener diodes as voltage clamp at DC conditions is not recommended. Inductive and overvoltage output clamp, OUT1... clamped typ. ON ON(CL) Infineon Technologies AG Overvolt. and reverse batt. protection IN1 to IN4 + 6.1 V typ +5V ...
Page 10
... 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 11
... Typ. on-state resistance high [mOhm] ON 160 120 Typ. standby current 9...34 V, IN1,2,3,4 = low bb(off bb(off - Infineon Technologies 150°C 25°C -40° [V] bb 100 150 200 T [° BTS 824R 2003-Oct-01 ...
Page 12
... OUT2 ST1 open drain ST2 open drain 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 Figure 3a: Turn on into short circuit: shut down by overtemperature, restart by cooling IN1 other channel: normal operation I L1 ...
Page 13
... ST1 and ST2 have to be configured as a 'Wired OR' function ST1/2 with a single pull-up resistor. Figure 4a: Overtemperature: Reset if T < OUT T J Infineon Technologies AG Figure 5a: Open load: detection in OFF-state, turn on/off to open load Open load of channel 1; other channels normal operation IN1 V OUT1 L(SCr) ST 10µ ...
Page 14
... 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 ...