BTS728L2T Infineon Technologies, BTS728L2T Datasheet
BTS728L2T
Specifications of BTS728L2T
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BTS728L2T Summary of contents
Page 1
... Smart SIPMOS technology. Providing embedded protective functions Applications µC compatible high-side power switch with diagnostic feedback for 5V, 12V and 24V grounded loads All types of resistive, inductive and capacitve loads Most suitable for loads with high inrush currents lamps ...
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Functional diagram overvoltage protection internal voltage supply IN1 ESD ST1 GND1 IN2 ST2 GND2 Pin Definitions and Functions Pin Symbol Function 1,10, V Positive power supply voltage. Design the bb 11,12, wiring for the simultaneous max. short circuit 15,16, currents ...
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... Load dump protection 1 V LoadDump 200 ms low or high each channel loaded with R Operating temperature range Storage temperature range 4) Power dissipation (DC) (all channels active) Maximal switchable inductance, single pulse V = 12V 150°C 4) j,start 4 220 mJ 6 540 mJ see diagrams on page 9 Electrostatic discharge capability (ESD) ...
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... Electrical Characteristics Parameter and Conditions -40...+150° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance ( OUT); each channel, two parallel channels, T see diagram, page 10 Nominal load current two parallel channels active Device on PCB 85° Output current while GND disconnected or pulled up ...
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... Repetitive short circuit current limit (see timing diagrams, page 12) Initial short circuit shutdown time (see timing diagrams on page 12) Output clamp (inductive load switch off ON(CL OUT , Thermal overload trip temperature Thermal hysteresis Reverse Battery ) Reverse battery voltage ...
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... Input turn-on threshold voltage Input turn-off threshold voltage Input threshold hysteresis Off state input current On state input current Delay time for status with open load after switch off; ( see diagram on page 13) Status invalid after positive input slope (open load) Status output (open drain) ...
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... H = "High" Level Status signal valid after the time delay shown in the timing diagrams Parallel switching of channel 1 and 2 is easily possible by connecting the inputs and outputs in parallel. The status outputs ST1 and ST2 have to be configured as a 'Wired OR' function with a single pull-up resistor. ...
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Input circuit (ESD protection ESD-ZD I GND The use of ESD zener diodes as voltage clamp at DC conditions is not recommended. Status output, ST1 or ST2 R ST(ON) GND ESD-Zener diode: 6.1 V typ., max 5.0 ...
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... GND V bb For inductive load currents up to the limits defined by Z (max. ratings and diagram on page 9) each switch is protected against loss 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. ...
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Typ. on-state resistance high [mOhm] ON 125 100 Semiconductor Group Typ. standby current I = ...
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... Both channels are symmetric and consequently the diagrams are valid for channel 1 and channel 2 Figure 1a: V turn on: bb IN1 IN2 OUT1 V 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 Semiconductor Group Figure 2b: Switching a lamp: IN ...
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... L(lim) I L(SCr) t off(SC) ST Heating up of the chip may require several milliseconds, depending on external conditions Figure 3b: Turn on into short circuit: shut down by overtemperature, restart by cooling (two parallel switched channels 1 and 2) IN1 2xI L(lim) t off(SC) ST1/2 ST1 and ST2 have to be configured as a 'Wired OR' function ST1/2 with a single pull-up resistor ...
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Figure 5b: Open load: turn on/off to open load d(STOL4 Semiconductor Group t 13 BTS 728 L2 2003-Oct-01 ...
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... For information on the types in question please contact : s 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 ...