BTS721L1XT Infineon Technologies, BTS721L1XT Datasheet
BTS721L1XT
Specifications of BTS721L1XT
Related parts for BTS721L1XT
BTS721L1XT Summary of contents
Page 1
... Smart High-Side Power Switch PROFET BTS721L1 Rev. 1.3, 2010-03- ...
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... Loss of ground and loss of V protection bb Electrostatic discharge (ESD) protection Application C compatible power switch with diagnostic feedback for 12 V and grounded loads All types of resistive, inductive and capacitive loads Replaces electromechanical relays and discrete circuits General Description N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic ...
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... Block diagram Four Channels; Open Load detection in on state; 9 Data Sheet Smart High-Side Power Switch 3 BTS721L1 Rev. 1.3, 2010-03-16 ...
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... Load current (Short-circuit current, see page Load dump protection LoadDump 200 ms low or high each channel loaded with R Operating temperature range Storage temperature range 5 Power dissipation (DC) (all channels active) Inductive load switch-off energy dissipation, single pulse V = 12V 150°C 5) j,start ...
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... Electrical Characteristics Parameter and Conditions ° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance ( OUT each channel, L two parallel channels, T four parallel channels, T Nominal load current two parallel channels active: four parallel channels active 85°C, T Device on PCB a Output current while GND disconnected or pulled = ...
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... Initial peak short circuit current limit, diagrams, page 13) each channel, T Repetitive short circuit current limit (see timing diagrams, page 13) Initial short circuit shutdown time (see page 12 and timing diagrams on page 13) Output clamp (inductive load switch off ON(CL) bb OUT Thermal overload trip temperature Thermal hysteresis Reverse Battery ) ...
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... On state input current T =-40..+150°C: j Delay time for status with open load after switch off (other channel in off state) (see timing diagrams, page 14 Delay time for status with open load after switch off (other channel in on state) (see timing diagrams, page 14 ...
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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 (also channel 3 and 4) is easily possible by connecting the inputs and outputs in parallel (see truth table). If switching channel parallel, the status outputs ST1/2 and ST3/4 have to be configured as a 'Wired OR' function with a single pull-up resistor ...
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... Data Sheet Overvoltage protection of logic part IN1...4 GND1/2 or GND3 6.1 V typ 150 GND Reverse battery protection < 380 ST(ON 150 R GND I Temperature protection is not active during inverse current operation. 9 Smart High-Side Power Switch BTS721L1 = 47 V typ 3.5 k typ 3.5 k typ Rev. 1.3, 2010-03-16 ...
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... For an inductive load current up to the limit defined (max. ratings see page 3 and diagram on page 10) each switch is protected against loss Consider at your PCB layout that in the case of Vbb dis- connection with energized inductive load the whole load current flows through the GND connection. ...
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... While demagnetizing load inductance, the energy dissipated in PROFET ON(CL) with an approximate solution for R L · OUT(CL · L Maximum allowable load inductance for a single switch off (one channel) T j,start = 150° [mH] Data Sheet ^ 2 L · i (t) dt · ( OUT(CL [A] 11 Smart High-Side Power Switch BTS721L1 Rev. 1.3, 2010-03-16 ...
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... Typ. on-state resistance ; high L R [mOhm] ON Typ. open load detection current IN = high L(OL) Data Sheet Smart High-Side Power Switch Typ. standby current ; V = 9... 1...4 = low bb I [µA] bb(off) V [V] bb Typ. initial short circuit shutdown time ; - BTS721L1 T [° 100 125 ...
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... typ. of the device. L(SCp) Data Sheet Smart High-Side Power Switch Figure 2b: Switching an inductive load *) if the time constant of load is too large, open-load-status may occur Figure 3a: Turn on into short circuit: shut down by overtemperature, restart by cooling Heating up of the chip may require several milliseconds, depending on external conditions (t off(SC) vs ...
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... Figure 3b: Turn on into short circuit: shut down by overtemperature, restart by cooling (two parallel switched channels 1 and 2) Figure 4a: Overtemperature: Reset if T < Data Sheet Smart High-Side Power Switch Figure 5a: Open load: detection in ON-state, open load occurs in on-state typ typ d(ST OL1) d(ST OL2) Figure 5b: Open load: detection in ON-state, turn ...
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... IN2 channel 2: normal operation d(ST) t depends on external circuitry because of high d(ST OL5) impedance Figure 6a: Undervoltage: V bb(under) Data Sheet Smart High-Side Power Switch Figure 6b: Undervoltage restart of charge pump IN = high, normal load conditions. Charge pump starts at V Figure 7a: Overvoltage bb(u cp) bb(u rst) 15 BTS721L1 = 5 ...
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... You can find all of our packages, sorts of packing and others in our Infineon Internet Page “Products”: http://www.infineon.com/products. Data Sheet 7.6 2) 0.1 0.2 24x 12.8 -0.2 16 Smart High-Side Power Switch 0.35 x 45˚ 1) -0.2 +0.8 0.4 ±0.3 10.3 GPS05094 Dimensions in mm Rev. 1.3, 2010-03-16 BTS721L1 ...
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... Creation of the green datasheet. First page : Adding the green logo and the AEC qualified Adding the bullet AEC qualified and the RoHS compliant features Package page Modification of the package to be green. Data Sheet Smart High-Side Power Switch 17 BTS721L1 Rev. 1.3, 2010-03-16 ...
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... 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 devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...