BTS721L1 Infineon Technologies, BTS721L1 Datasheet
BTS721L1
Specifications of BTS721L1
SP000011301
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BTS721L1 Summary of contents
Page 1
... Smart High-Side Power Switch PROFET BTS721L1 Rev. 1.3, 2010-03- ...
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... On-state resistance R 100 ON Nominal load current , 2.9 / 120 , Current limitation / 6&U P-DSO-20 technology. Providing embedded protective functions. Pin configuration GND1/2 2 ST1/2 4 GND3/4 6 ST3/4 8 =150 ) in GND connection, resistor in series with ST GND 2 BTS721L1 43 V 5.0 ... 34 V two parallel four parallel 4.3 6 PG-DSO20 (top view) V ...
Page 3
... 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 ...
Page 4
... GND and status pins, e.g. with a bb(AZ) 2 (one layer thick) copper area for Smart High-Side Power Switch BTS721L1 Symbol Values self-limited ...
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... V typ without charge pump Smart High-Side Power Switch Values min typ max -- 85 100 170 200 2.5 2.9 3.8 4.3 5.9 6 200 400 80 200 400 0 0.1 -- off 5 3 5.0 7.0 -- 5.6 7.0 -- 0.2 bb(under 0.5 bb(over OUT bb Rev. 1.3, 2010-03-16 BTS721L1 Unit ...
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... I each channel L(SCr) two parallel channels four parallel channels T =-40°C: t j,start off(SC 25°C: j,start 11) V ON(CL > out Smart High-Side Power Switch BTS721L1 Values min typ max -- -- twice the current of one channel -- ...
Page 7
... OUT(OL 2.5 3.5 I 1.7 -- IN(T+) 1.5 -- IN(T 0.5 IN( IN(off IN(on) 100 320 d(ST OL4 d(ST OL5) -- 200 d(ST) 5.4 6.1 ST(high ST(low Rev. 1.3, 2010-03-16 BTS721L1 Unit max 400 mA 300 300 3 800 600 0.4 0.6 ...
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... Channel 2 ( Channel 1 ( Channel 2 ( both channel Channel 1 ( Channel 2 ( high impedance, potential depends on external circuit ,R = 150 GND1/2 GND3/4 in the off state causes an internal current from output to ground Smart High-Side Power Switch BTS721L1 OUT2 ST1/2 OUT4 ST3/4 BTS 721L1 H single resistor ...
Page 9
... 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 ...
Page 10
... 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 OUT IN IN(T Smart High-Side Power Switch BTS721L1 > device stays off GND IN IN(T+) = low signal available. ST 2003-Oct-01 Rev. 1.3, 2010-03-16 ...
Page 11
... 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 ...
Page 12
... 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 Rev. 1.3, 2010-03-16 15 ...
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... 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. T j,start see page 12) 13 BTS721L1 Rev. 1.3, 2010-03-16 ...
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... OL1) d(ST OL2) Figure 5b: Open load: detection in ON-state, turn on/off to open load IN2 channel 2: normal operation channel 1: open load t The status delay time t allows to distinguish between the d(STOL4) failure modes "open load in ON-state" and "overtemperature". 14 BTS721L1 Rev. 1.3, 2010-03-16 ...
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... 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 = 5.6 V typ. bb(ucp bb(over) bb(o rst) ON(CL) Rev. 1.3, 2010-03-16 ...
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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 ...