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| profet ? data sheet BTS50085-1TMB infineon technologies ag page 1 2008-jan-24 smart highside high current power switch reversave ? ? reverse battery protection by self turn on of power mosfet features ? overload protection ? current limitation ? short circuit protection ? over temperature protection ? over voltage protection (including load dump) ? clamp of negative voltage at output ? fast deenergizing of inductive loads 1 ) ? low ohmic inverse current operation ? diagnostic feedback with load current sense ? open load detection via current sense ? loss of v bb protection 2 ) ? e lectro s tatic d ischarge ( esd ) protection ? green product (rohs compliant) ? aec qualified application ? power switch with current sense diagnostic feedback for up to 48 v dc grounded loads ? most suitable for loads with high inrush current like lamps and motors; all types of resistive and inductive loads ? replaces electromechanical relays, fuses and discrete circuits general description n channel vertical power fet with charge pump, cu rrent controlled input and diagnostic feedback with load current sense, integrated in smart sipmos ? chip on chip technology. providing embedded protection functions. in charge pump level shifter rectifier limit for unclamped ind. loads gate protection current limit 3 overvoltage protection + v bb profet ? out 4 & tab 1,2,6,7 load gnd load output voltage detection r is is 5 i is i l v is i in logic gnd voltage sensor voltage source current sense logic esd temperature sensor r bb v in 1 ) with additional external diode. 2 ) additional external diode required fo r energized inductive loads (see page 9). product summary overvoltage protection v bb(az) 70 v output clamp v on(cl) 62 v operating voltage v bb(on) 5.0 ... 58 v on-state resistance r on 9 m ? load current (iso) i l(iso) 44 a short circuit current limitation i l(sc) 90 a current sense ratio i l : i is 13 000 pg-to220-7-11 1 7 standard
data sheet BTS50085-1TMB infineon technologies ag page 2 2008-jan-24 pin symbol function 1 out o output to the load. the pins 1,2,6 and 7 must be shorted with each other especially in high current applications! 3 ) 2 out o output to the load. the pins 1,2,6 and 7 must be shorted with each other especially in high current applications! 3) 3 in i input, activates the power switch in case of short to ground 4 v bb + positive power supply voltage, the tab is electrically connected to this pin. in high current applications the tab should be used for the v bb connection instead of this pin 4 ) . 5 is s diagnostic feedback providing a sense current proportional to the load current; zero current on failure (see truth table on page 7) 6 out o output to the load. the pins 1,2,6 and 7 must be shorted with each other especially in high current applications! 3) 7 out o output to the load. the pins 1,2,6 and 7 must be shorted with each other especially in high current applications! 3) maximum ratings at t j = 25 c unless otherwise specified parameter symbol values unit supply voltage (over voltage protection see page 4) v bb 62 v supply voltage for full short circuit protection, (e as limitation see diagram on page 10) t j,start =-40 ...+150c: v bb 58 v load current (short circuit current, see page 5) i l self-limited a load dump protection v loaddump = u a + v s , u a = 13.5 v r i 5 ) = 2 ? , r l = 0.23 ? , t d = 200 ms, in, is = open or grounded v load dump 6 ) 80 v operating temperature range storage temperature range t j t stg -40 ...+150 -55 ...+150 c power dissipation (dc), t c 25 c p tot 170 w inductive load switch-off energy dissipation, single pulse v bb = 12v, t j,start = 150c, t c = 150c const., i l = 20 a, z l = 6 mh, 0 ? , see diagrams on page 10 e as 1.2 j electrostatic disc harge capability (esd) human body model acc. mil-std883d, method 3015.7 and esd assn. std. s5.1-1993, c = 100 pf, r = 1.5 k ? v esd 4.0 kv current through input pin (dc) current through current sense status pin (dc) see internal circuit diagrams on page 7 and 8 i in i is +15 , -250 +15 , -250 ma 3 ) not shorting all outputs will considerably increase the on-state resistance, reduce the peak current capability and decrease the current sense accuracy 4 ) otherwise add up to 0.7 m ? (depending on used length of the pin) to the r on if the pin is used instead of the tab. 5 ) r i = internal resistance of the load dump test pulse generator. 6 ) v load dump is setup without the dut connected to the generator per iso 7637-1 and din 40839. data sheet BTS50085-1TMB infineon technologies ag page 3 2008-jan-24 thermal characteristics parameter and conditions symbol values unit min typ max thermal resistanc e chip - case : r thjc 7 ) -- -- 0.75 k/w junction - ambient (free air): r thja -- 60 -- smd version, device on pcb 8 ) : -- 33 -- electrical characteristics parameter and conditions symbol values unit at t j = -40 ... +150 c, v bb = 24 v unless otherwise specified min typ max load switching capabilities and characteristics on-state resistance (tab to pins 1,2,6,7, see measurement circuit page 7) i l = 20 a, t j = 25 c: v in = 0, i l = 20 a , t j = 150 c: r on -- 7.2 14.6 9 17 m ? i l = 80 a , t j = 150 c: -- 17 v bb =6v, i l =20a, t j =150c: r on(static) 17 22 nominal load current 9 ) (tab to pins 1,2,6,7) iso 10483-1/6.7: v on = 0.5 v, t c = 85 c 10 ) i l(iso) 38 44 -- a nominal load current 9) , device on pcb 8) t a = 85 c, t j 150 c v on 0.5 v, i l(nom) 9.9 11.1 -- a maximum load current in resistive range (tab to pins 1,2,6,7) v on = 1.8 v, t c = 25 c: see diagram on page 13 v on = 1.8 v, t c = 150 c: i l(max) 185 105 -- -- -- -- a turn-on time 11 ) i in to 90% v out : turn-off time i in to 10% v out : r l = 1 ? , t j =-40...+150c t on t off 50 30 -- -- 400 110 s slew rate on 11) (10 to 30% v out ) r l = 1 ? d v /dt on 1.0 1.5 2.2 v/ s slew rate off 11) (70 to 40% v out ) r l = 1 ? -d v /dt off 1.1 1.9 2.6 v/ s 7 ) thermal resistance r thch case to heatsink (about 0.5 ... 0.9 k/w with silicone paste) not included! 8 ) device on 50mm*50mm*1.5mm epoxy pcb fr4 with 6cm 2 (one layer, 70 m thick) copper area for v bb connection. pcb is vertical without blown air. 9 ) not subject to production test, specified by design 10 ) t j is about 105c under these conditions. 11 ) see timing diagram on page 14. data sheet BTS50085-1TMB infineon technologies ag page 4 2008-jan-24 parameter and conditions symbol values unit at t j = -40 ... +150 c, v bb = 24 v unless otherwise specified min typ max inverse load current operation on-state resistance (pins 1,2,6,7 to pin 4) v bin = 12 v, i l = - 20 a t j = 25 c: see diagram on page 10 t j = 150 c: r on(inv) -- 7.2 14.6 9 17 m ? nominal inverse load current (pins 1,2,6,7 to tab) v on = -0.5 v, t c = 85 c i l(inv) 50 60 -- a drain-source diode voltage (v out > v bb ) i l = - 20 a, i in = 0, t j = +150c - v on -- 0.6 0.7 mv operating parameters operating voltage ( v in = 0) 12 ) v bb(on) 5.0 -- 58 v under voltage shutdown 13 ) 14 ) v bin(u) 1.5 3.0 4.5 v under voltage start of charge pump see diagram page 15 v bin(ucp) 3.0 4.5 6.0 v over voltage protection 15 ) t j =-40c: i bb = 15 ma t j = 25...+150c: v bin(z) 68 70 -- 72 -- -- v standby current t j =-40...+25c: i in = 0, v bb =35v t j = 150c: i bb(off) -- -- 15 25 25 50 a 12 ) if the device is turned on before a v bb -decrease, the operating voltage range is extended down to v bin(u) . for the voltage range 0..58 v the device provides embedded protection functions against overtemperature and short circuit. 13 ) not subject to production test, specified by design 14 ) v bin = v bb - v in see diagram on page 15. when v bin increases from less than v bin(u) up to v bin(ucp) = 5 v (typ.) the charge pump is not active and v out v bb - 3 v. 15 ) see also v on(cl) in circuit diagram on page 9. data sheet BTS50085-1TMB parameter and conditions symbol values unit at t j = -40 ... +150 c, v bb = 24 v unless otherwise specified min typ max infineon technologies ag page 5 2008-jan-24 protection functions 16) short circuit current limit (tab to pins 1,2,6,7) v on = 24 v, time until shutdown max. 300 s t c =-40c: see page 8 and 13 t c =25c: t c =+150c: i l(sc) i l(sc) i l(sc) -- -- 50 90 90 80 180 -- -- a short circuit shutdown delay after input current positive slope, v on > v on(sc) 17) min. value valid only if input "off-signal" time exceeds 30 s t d(sc) 80 -- 350 s output clamp (inductive load switch off) at v out = v bb - v on(cl) (e.g. over voltage) i l = 40 ma v on(cl) 62 65 72 v short circuit shutdown detection voltage 17 ) (pin 4 to pins 1,2,6,7) v on(sc) -- 6 -- v thermal overload trip temperature t jt 150 -- -- c thermal hysteresis ? t jt -- 10 -- k reverse battery reverse battery voltage 18 ) - v bb -- -- 42 v on-state resistance (pins 1,2,6,7 to pin 4) t j = 25 c: v bb = -12v, v in = 0, i l = - 20 a, r is = 1 k ? t j = 150 c: r on(rev) -- 8.8 -- 10.5 20 m ? integrated resistor in v bb line t j = 25 c: t j =150c: r bb 90 105 120 125 135 150 ? 16 ) integrated protection functions are designed to prevent ic destruction under fault conditions described in the data sheet. fault conditions are considered as ?outside? normal operating range. protection functions are not designed for continuous repetitive operation. 17 ) not subject to production test, specified by design. 18 ) the reverse load current through the intrinsic drain-source diode has to be limited by the connected load (as it is done with all polarity symmetric loads). note that under off-conditions ( i in = i is = 0) the power transistor is not activated. this results in raised power dissipation due to the higher voltage drop across the intrinsic drain-source diode. the temperature protection is not active during reverse current operation! to reduce the power dissipation at the integrated r bb resistor an input resistor is recommended as described on page 9. data sheet BTS50085-1TMB parameter and conditions symbol values unit at t j = -40 ... +150 c, v bb = 24 v unless otherwise specified min typ max infineon technologies ag page 6 2008-jan-24 diagnostic characteristics current sense ratio, i l = 80 a, t j =-40c: static on-condition, t j =25c: k ilis = i l : i is , t j =150c: v on < 1.5 v 19 ) , i l = 20 a, t j =-40c: v is < v out - 5 v, t j =25c: v bin > 4.0 v t j =150c: see diagram on page 12 i l = 10 a, t j =-40c: t j =25c: t j =150c: i l = 4 a, t j =-40c: t j =25c: t j =150c: k ilis 11 400 11 400 11 000 11 000 11 000 11 000 10 500 10 500 11 000 9 000 10 000 10 800 13 000 13 000 13 000 13 000 13 000 13 000 13 000 13 000 13 000 13 000 13 000 13 000 15 400 14 600 14 200 16 000 15 000 14 500 17 000 15 500 15 000 22 000 18 500 16 000 i in = 0, i is =0 (e.g. during deenergizing of inductive loads) : -- -- -- sense current saturation i is,lim 6.5 -- -- ma current sense leakage current i in = 0 v in = 0, i l < 0: i is(ll) i is(lh) -- -- -- 2 0.5 65 a current sense over voltage protection t j =-40c: i bb = 15 ma t j = 25...+150c: v bis(z) 68 70 -- 72 -- -- v current sense settling time 20 ) t s(is) -- -- 500 s input input and operating current (see diagram page 13) in grounded (v in = 0) i in(on) -- 0.8 1.5 ma input current for turn-off 21 ) i in(off) -- -- 80 a 19 ) if v on is higher, the sense current is no longer proportional to the load current due to sense current saturation, see i is,lim . 20 ) not subject to production test, specified by design 21 ) we recommend the resistance between in and gnd to be less than 0.5 k ? for turn-on and more than 500 k ? for turn-off. consider that when the device is switched off (i in = 0) the voltage between in and gnd reaches almost v bb . data sheet BTS50085-1TMB infineon technologies ag page 7 2008-jan-24 truth table input current output current sense remark level level i is normal operation l h l h 0 nominal =i l / k ilis , up to i is =i is,lim very high load current h h i is, lim up to v on =v on(fold back) i is no longer proportional to i l current- limitation h h 0 v on > v on(fold back) if v on >v on(sc) , shutdown will occure short circuit to gnd l h l l 0 0 over- temperature l h l l 0 0 short circuit to v bb l h h h 0 data sheet BTS50085-1TMB infineon technologies ag page 9 2008-jan-24 over voltage protection of logic part + v bb v out in bb r signal gnd logic profet v z,is r is in r is v z,in r v v z,vis r bb = 120 ? typ . , v z,in = v z,is = 74 v typ., r is = 1 k ? nominal. note that when over voltage exceeds 79 v typ. a voltage above 5v can occur between is and gnd, if r v , v z,vis are not used. reverse battery protection logic is in is r v r out l r power gnd signal gnd v bb - power transistor in r bb r d s d r v 1 k ?, r is = 1 k ? nominal. add r in for reverse battery protection in applications with v bb above 16v 18) ; recommended value: 1 r in + 1 r is + 1 r v = 0.1a | v bb | - 12v if d s is not used (or 1 r in = 0.1a | v bb | - 12v if d s is used). to minimize power dissipation at reverse battery operation, the overall current into the in and is pin should be about 120ma. the current can be provided by using a small signal diode d in parallel to the input switch, by using a mosfet input switch or by proper adjusting the current through r is and r v . v bb disconnect with energized inductive load provide a current path with load current capability by using a diode, a z-diode, or a varistor. ( v zl < 70 v or v zb < 42 v if r in =0). for higher clamp voltages currents at in and is have to be limited to 250 ma. version a: profet v in out is bb v bb v zl version b: profet v in out is bb v bb v zb note that there is no reverse battery protection when using a diode without additional z-diode v zl , v zb . version c: sometimes a necessary voltage clamp is given by non inductive loads r l connected to the same switch and eliminates the need of clamping circuit: profet v in out is bb v bb r l data sheet BTS50085-1TMB infineon technologies ag page 10 2008-jan-24 inverse load current operation profet v in out is bb v bb v out - i l r is v is v in + - + - i is the device is specified for inverse load current operation ( v out > v bb > 0v ). the current sense feature is not available during this kind of operation ( i is = 0). with i in = 0 (e.g. input open) only the intrinsic drain source diode is conducting resulting in considerably increased power dissipation. if the device is switched on (v in = 0), this power dissipation is decreased to the much lower value r on(inv) * i 2 (specifications see page 4). note: temperature protection during inverse load current operation is not possible! inductive load switch-off energy dissipation profet v in out is bb e e e e as bb l r e load l r l { z l r is i in v bb i (t) l energy stored in load inductance: e l = 1 / 2 l i 2 l while demagnetizing load inductance, the energy dissipated in profet is e as = e bb + e l - e r = v on(cl) i l (t) dt, with an approximate solution for r l > 0 ? : e as = i l l 2 r l ( v bb + |v out(cl) |) ln (1+ i l r l |v out(cl) | ) maximum allowable load inductance for a single switch off l = f (i l ); t j,start = 150c, v bb = 40 v, r l = 0 ? l [h] i [a] externally adjustab le current limit if the device is conducting, the sense current can be used to reduce the short circuit current and allow higher lead inductance (see diagram above). the device will be turned off, if the threshold voltage of t2 is reached by i s *r is . after a delay time defined by r v *c v t1 will be reset. the device is turned on again, the short circuit current is defined by i l(sc) and the device is shut down after t d(sc) with latch function. profet is in is r v r powe r gnd signal gnd v bb out v c load r t1 t2 in signal v bb 1 10 100 1000 10000 10 100 1000 data sheet BTS50085-1TMB infineon technologies ag page 11 2008-jan-24 options overview type BTS50085-1TMB over temperature protection with hysteresis x t j >150 c, latch function 24 ) t j >150 c, with auto-restart on cooling x short circuit to gnd protection switches off when v on >6 v typ. (when first turned on after approx. 180 s) x over voltage shutdown - output negative voltage transient limit to v bb - v on(cl) x to v out = -15 v typ x 25 ) 24 ) latch except when v bb - v out < v on(sc) after shutdown. in most cases v out = 0 v after shutdown ( v out 0 v only if forced externally). so the device remains latched unless v bb < v on(sc) (see page 5). no latch between turn on and t d(sc) . 25 ) can be "switched off" by using a diode d s (see page 8) or leaving open the current sense output. data sheet BTS50085-1TMB infineon technologies ag page 12 2008-jan-24 characteristics current sense versus load current: i is = f ( i l ), t j = -40 ... +150 c i is [ma] i l [a] current sense ratio: k ilis = f ( i l ), t j = -40c k ilis i l [a] current sense ratio: k ilis = f ( i l ), t j = 25c k ilis i l [a] current sense ratio: k ilis = f ( i l ), t j = 150c k ilis i l [a] 0 1 2 3 4 5 6 7 0 20406080 max min 8000 10000 12000 14000 16000 18000 20000 0 20406080 typ max min 8000 10000 12000 14000 16000 18000 20000 22000 24000 0 20 40 60 80 typ min max 10000 12000 14000 16000 18000 20000 0 20406080 min typ max data sheet BTS50085-1TMB infineon technologies ag page 13 2008-jan-24 typ. current limitation characteristic i l = f (v on , t j ) i l [a] 0 50 100 150 200 250 300 350 400 0 5 10 15 20 t j = -40c 25c 150c v on(fb) (fold back) v on >v on(sc) only for t < t d(sc) (otherwise immediate shutdown) v on [v] in case of v on > v on(sc) (typ. 6 v) the device will be switched off by internal short circuit detection. typ. on-state resistance r on = f (v bb , t j ) ; i l = 20 a; v in = 0 r on [mohm] 4 6 8 10 12 14 16 18 0 5 10 15 static dynamic t j = 150c 85c 25c -40c 40 v bb [v] typ. input current i in = f ( v bin ), v bin = v bb - v in i in [ma] 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 20406080 v bin [v] data sheet BTS50085-1TMB infineon technologies ag page 14 2008-jan-24 timing diagrams figure 1a: switching a resistive load, change of load current in on-condition: i in t v out i l i is t son(is) tt slc(is) load 1 load 2 soff(is) t t t on off slc(is) 90% dv/dton dv/dtoff 10% the sense signal is not valid during a settling time after turn-on/off and after change of load current. figure 2b: switching motors and lamps: i in t v out i il i is sense current saturation can occur at very high inrush currents (see i is,lim on page 6). figure 2c: switching an inductive load: i in t v out i l i is figure 3d: short circuit: shut down by short circuit detection, reset by i in = 0. i in i l i l(scp) i is t t d(sc) v out =0 v out >>0 shut down remains latched until next reset via input. data sheet BTS50085-1TMB infineon technologies ag page 15 2008-jan-24 figure 4e: overtemperature reset if t j < t jt i in t i is v out t j auto restart figure 6f: undervoltage restart of charge pump, overvoltage clamp 0 2 4 6 04 v out v bin(ucp) v in = 0 i in = 0 v on(cl) v bin(u) v bin(u) dynamic, short undervoltage not below v on(cl) data sheet BTS50085-1TMB infineon technologies ag page 16 2008-jan-24 package and ordering code all dimensions in mm pg-to220-7-11 sales code BTS50085-1TMB 0.1 1.27 4.4 9.25 0.2 0.05 2.4 0.5 0.1 0.3 8.6 10.2 0.3 0.4 3.9 0.4 8.4 3.7 0.3 a a 0.25 m 2.8 1) 15.65 0.3 12.95 0...0.15 1.27 0.6 0.1 c 0.2 17 0.3 8.5 1) 9.9 0.2 7 x -0.15 3.7 10 0.2 6 x c 1.6 0.3 all metal surfaces tin plated, except area of cut. metal surface min. x = 7.25, y = 12.3 typical 1) 0...0.3 green product (rohs compliant) to meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product. green products are rohs-compliant (i.e pb- free finish on leads and suitable for pb-free so ldering according to ipc/jedec j-std-020). data sheet BTS50085-1TMB infineon technologies ag page 17 2008-jan-24 revision history version date changes rev. 1.0 2008-01-24 initial version of data sheet. green (rohs compliant) variant of bts660p edition 2008-jan-24 published by infineon technologies ag 81726 munich, germany ? infineon technologies ag 2008. all rights reserved. legal disclaimer the information given in this document shall in no event be regarded as a guarantee of conditions or characteristics (?beschaffenheitsgarantie?). with respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, infineon technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non- infringement of intellectual property rights of any third party. information for further information on technology, delivery terms and conditions and prices please contact your nearest infineon technologies office ( www.infineon.com ). warnings 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, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is r easonable to assume that the health of the user or other persons may be endangered. |
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