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profet ? data sheet bts 6144b/p infineon technologies ag page 1 of 16 2003-oct-01 smart highside power switch reversave ? ? reverse battery protection by self turn on of power mosfet features ? short circuit protection with latch ? current limitation ? overload protection ? thermal shutdown with restart ? overvoltage protection (including load dump) ? loss of ground protection ? loss of v bb protection (with external diode for charged inductive loads) ? very low standby current ? fast demagnetization of inductive loads ? e lectro s tatic d ischarge ( esd ) protection ? optimized static e lectro m agnetic c ompatibility ( emc ) diagnostic function ? proportional load current sense (with defined fault signal in case of overload operation, overtemperature shutdown and/or short circuit shutdown) application ? power switch with current sense diagnostic feedback for 12v and 24 v dc grounded loads ? all types of resistive, inductive and capacitive 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 protective 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 product summary operating voltage v bb(on) 5.5 ... 38 v on-state resistance r on 9 m ? nominal current i l(nom) 9.5 a load current (iso) i l(iso) 37.5 a current limitation i l12(sc) 90 a package to 220-7-180 to 220-7-230 sm d 1 7
data sheet bts 6144b/p infineon technologies ag page 2 of 16 2003-oct-01 pin symbol function 1; 2 out o output; output to the load; pin 1, 2, 6 and 7 must be externally shorted* . 3 in i input; activates the power switch if shorted to ground. 4; tab v bb + supply voltage; positive power supply voltage; tab and pin4 are internally shorted. 5 is s sense output; diagnostic feedback; provides at normal operation a sense current proportional to the load current; in case of overload, overtemperature and/or short circuit a defined current is provided (see truth table on page 8) 6; 7 out o output; output to the load; pin 1, 2, 6 and 7 must be externally shorted* . *) not shorting all outputs will considerably increase the on-state resistance, reduce the peak current capability and decrease the current sense accuracy maximum ratings at t j = 25 c unless otherwise specified parameter symbol values unit supply voltage (overvoltage protection see page 4) v bb 38 v supply voltage for full short circuit protection 1) v bb 30 v load dump protection v loaddump = u a + v s , u a = 13.5 v r i = 2 , r l = 1 , t d = 400 ms, in= low or high v load dump 2 ) 45 v load current (short-circuit current, see page 5) i l self-limited a operating temperature range storage temperature range t j t stg -40 ...+150 -55 ...+150 c power dissipation (dc) p tot 81 w inductive load switch-off energy dissipation m 3) single pulse, i l = 20 a, v bb = 12v t j =150 c: e as 0.4 j electrostatic disc harge capability (esd) (human body model) acc. esd assn. std. s5.1-1993; r=1.5k ; c=100pf v esd 3.0 kv current through input pin (dc) current through current sense pin (dc) see internal circuit diagrams page 9 i in i is +15, -120 +15, -120 ma input voltage slew rate v bb 16v : v bb > 16v 4) : d v bin / d t self-limited 20 v/ s 1) short circuit is defined as a combination of re maining resistances and inductances. see schematic on page11. 2) v load dump is setup without the dut connected to the generator per iso 7637-1 and din 40839 3) see also diagram on page 11. 4) see also on page 8. slew rate limitation can be achieved by means of using a series resistor r in in the input path. this resistor is also required for reverse operation. see also page 10.
data sheet bts 6144b/p infineon technologies ag page 3 of 16 2003-oct-01 thermal characteristics parameter and conditions symbol values unit min typ max thermal resistanc e chip - case : r thjc 5 ) -- 0.7 0.8 k/w junction - ambient (free air): r thja -- 60 -- smd version, device on pcb 6 ) : -- 33 40 5) thermal resistance r thch case to heatsink (about 0.5 ... 0.9 k/w with silicone paste) not included! 6 ) 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. electrical characteristics parameter and conditions symbol values unit at t j = 25, v bb = 12 v unless otherwise specified min typ max load switching capabilities and characteristics on-state resistance (pin 3 to pin 1,2,6,7) v in = 0, v bb = 5.5v, i l = 10 a t j =25 c: t j =150 c: v in = 0, v bb = 12v, i l = 10 a t j =25 c: t j =150 c: r on -- -- -- -- 9.5 17 7 13 13 22 9 16 m output voltage drop limitation at small load currents (tab to pin 1,2,6,7) t j =-40...150 c: v on(nl) -- 30 60 mv nominal load current (tab to pin 1,5) iso proposal: v on 0.5 v, t c = 85c, t j 150c smd 6) , v on 0.5 v, t a = 85c, t j 150c i l(iso) i l(nom) 37.5 9.5 48 12 -- -- a turn-on time to 90% v out : turn-off time to 10% v out : r l = 2.2 , t j =-40...150 c t on t off -- -- 300 300 550 600 s slew rate on 25 to 50% v out , r l = 2.2 , t j =-40...150 c d v /dt on -- 0.2 0.35 v/ s slew rate off 50 to 25% v out , r l = 2.2 , t j =-40...150 c -d v /dt off -- 0.2 0.45 v/ s
data sheet bts 6144b/p parameter and conditions symbol values unit at t j = 25, v bb = 12 v unless otherwise specified min typ max infineon technologies ag page 4 of 16 2003-oct-01 operating parameters operating voltage (v in =0) t j =-40...150 c: v bb(on) 5.5 -- 38 v undervoltage shutdown 7 ) 8 ) v bin(u) -- 2.5 3.5 v undervoltage restart of charge pump v bb(ucp) -- 4 5.5 v overvoltage protection 9 ) i bb =15 ma t j =-40...+150c : v z,in 63 67 -- v standby current t j =-40...+120c : i in =0 t j =150c: i bb(off) -- -- 3 6 6 14 a reverse battery reverse battery voltage 10) -v bb -- -- 16 v on-state resistance (pin 4, tab to pin 1,2,6,7) v bb = - 8v, v in = 0, i l = -10 a, r is = 1 k , 8) t j =25 c: t j =150 c: v bb = -12v, v in = 0, i l = -10 a, r is = 1 k , t j =25 c: t j =150 c: r on(rev) -- -- -- -- 8.5 13 8 13 12 18 11 19 m integrated resistor in v bb line r bb -- 100 150 inverse operation 11) output voltage drop (pin 4, tab to pin 1,2,6,7) 8) i l = -10 a, r is = 1 k , t j =25 c: i l = -10 a, r is = 1 k , t j =150 c: -v on(inv) -- -- 700 300 -- -- mv turn-on delay after inverse operation; i l > 0a 8) v in (inv) = v in (fwd) = 0 v t d(inv) -- 1 -- ms 7) v bin =v bb -v in see diagram page 14. 8) not subject to production test, specified by design 9) see also v on(cl) in circuit diagram page 9. 10) for operation at voltages higher then |16v| please see required schematic on page 10. 11) permanent inverse operation results eventually in a current flow via the intrinsic diode of the power dmos. in this case the device switches on with a time delay t d(inv) ) after the transition from inverse to forward mode.
data sheet bts 6144b/p parameter and conditions symbol values unit at t j = 25, v bb = 12 v unless otherwise specified min typ max infineon technologies ag page 5 of 16 2003-oct-01 protection functions 12 ) short circuit current limit (pin 4, tab to pin 1,2,6,7) 13 ) short circuit current limit at v on = 6v 14) t j =-40c: t j =25c: t j =+150c: i l6(sc) -- -- 90 140 130 120 170 -- -- a short circuit current limit at v on = 12v t j =-40c: t m =170s t j =25c: t j =+150c: i l12(sc) -- -- 55 105 95 85 130 -- -- a short circuit current limit at v on = 18v 14 ) t j =-40c: t j =25c: t j =+150c: i l18(sc) -- -- 45 75 70 65 100 -- -- a short circuit current limit at v on = 24v t j =-40c: t m =170s t j =25c: t j =+150c: i l24(sc) -- -- 28 47 46 45 70 -- -- a short circuit current limit at v on = 36v 14) t j =-40c: t j =25c: t j =+150c: i l36(sc) -- -- 15 27 27 27 40 -- -- a short circuit shutdown detection voltage v on(sc) 2.5 3.5 4.5 v short circuit shutdown delay after input current positive slope, v on > v on(sc), t j = -40...+150c min. value valid only if input "off-signal" time exceeds 30 s t d(sc1) 350 650 1200 s short circuit shutdown delay during on condition 14) v on > v on(sc) t d(sc2) -- 2 -- s output clamp (inductive load switch off) 15 ) at v out = v bb - v on(cl) (e.g. overvoltage) i l = 40 ma v on(cl) 39 42 -- v thermal overload trip temperature t jt 150 175 -- c thermal hysteresis t jt -- 10 -- k 12) integrated protection functions are designed to prevent ic destruction under fault conditions described in the data sheet. fault conditions are considered as "outsi de" normal operating range. protection functions are not designed for continuous repetitive operation. 13 ) short circuit current limit for max. duration of t d(sc1) , prior to shutdown, see also figures 3.x on page 13. 14 ) not subject to production test, specified by design 15 ) see also figure 2b on page 12.
data sheet bts 6144b/p parameter and conditions symbol values unit at t j = 25, v bb = 12 v unless otherwise specified min typ max infineon technologies ag page 6 of 16 2003-oct-01 diagnostic characteristics current sense ratio, static on-condition k ilis = i l : i is , i is < i is,lim 16) , v is < v out - 5 v, v bin > 4.5 v k ilis -- 12500 -- il = 35a, tj = -40c: tj = +25c: tj = +150c: il = 10a, tj = -40c: tj = +25c: tj = +150c: il = 2.5a, tj = -40c: tj = +25c: tj = +150c: il = 0.5a, tj = -40c: tj = +25c: tj = +150c: 11200 11000 11000 10500 10500 10800 10000 10000 10000 7000 8000 9000 12700 12600 12200 12700 12600 12200 12300 12500 13000 14000 14500 15000 14000 13500 12800 14300 14000 13300 17000 16500 15000 26000 24500 23000 i in = 0 (e.g. during deenergizing of inductive loads) : -- 0 -- sense current under fault conditions 17) v on >1v, typ t j = -40...+150c: i is,fault 4.0 5.2 7.5 ma sense saturation current v on <1v, typ t j = -40...+150c: i is,lim 4.0 6.0 7.5 ma fault-sense signal delay after input current positive slope, v on >1v, t j = -40...+150c t delay(fault) 350 650 1200 s current sense leakage current, i in = 0 i is(ll) -- 0.1 0.5 a current sense offset current, v in = 0, i l 0 i is(lh) -- 0.1 1 a minimum load current for sense functionality, v in = 0, t j = -40...+150c i l(min) 50 -- -- ma current sense settling time to i is static after input current positive slope, 18 ) i l = 0 20 a, t j = -40...+150c t son(is) -- 250 500 s current sense settling time during on condition, 18) i l = 10 20 a, t j = -40...+150c t slc(is) -- 50 100 s overvoltage protection i bb = 15 ma t j = -40...+150c: v z,is 63 67 -- v 16) see also figures 4.x and 6.x on page 13 and 14. 17) fault conditions are overload during on (i.e. v on >1v typ.), overtemperature and short circuit; see also truth table on page 8. 18 ) not subject to production test, specified by design
data sheet bts 6144b/p parameter and conditions symbol values unit at t j = 25, v bb = 12 v unless otherwise specified min typ max infineon technologies ag page 7 of 16 2003-oct-01 input required current capab ility of input switch t j =-40..+150c: i in(on) -- 1.4 2.2 ma input current for turn-off t j =-40..+150c: i in(off) -- -- 30 a
data sheet bts 6144b/p infineon technologies ag page 8 of 16 2003-oct-01 truth table input current level output level current sense i is normal operation l h l h , , , = = , = . . . . . > . . . . . profet v in is out bb v in i is i in v bb i bb i l v out v on 3 5 4 1,2,6,7 r is v is v bin r in d s v bis two or more devices can easily be connected in parallel to increase load current capability.
data sheet bts 6144b/p infineon technologies ag 9 of 16 2003-oct-01 input circuit (esd protection) in zd in i v bb r bb v z,in v bin v in esd-zener diode: 67 v typ., max 15 ma; current sense output normal operation is is r zd is v v bb z,is v r bb i is i is,fault v z,is = 67 v (typ.), r is = 1 k nominal (or 1 k /n, if n devices are connected in parallel). i s = i l / k ilis can be only driven by the internal circuit as long as v out - v is > 5v. therefore r is should be less than ma v v bb 5 . 7 5 ? . note: for large values of r is the voltage v is can reach almost v bb . see also overvoltage protection. if you don't use the current sense output in your application, you can leave it open. inductive and overvoltage output clamp + v bb out profet v z1 v on v on is clamped to v on(cl) = 42v typ overvoltage 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 = 100 typ . , v z,in = v z,is = 67 v typ., r is = 1 k nominal. note that when overvoltage exceeds 67 v typ. a voltage above 5v can occur between is and gnd, if r v , v z,vis are not used.
data sheet bts 6144b/p infineon technologies ag 10 of 16 2003-oct-01 reversave ? logic in is r out l r power gnd signal gnd v bb - power transistor in r bb r d r is typ. 1 k ? . add r in for reverse battery protection in applications with v bb above 16v; recommended value: = + . ? , . , . , . profet v in out is bb v bb v out - i l r is v is v in + - + - i is the device can be operated in inverse load current mode ( v out > v bb > 0v). the current sense feature is not available during this kind of operation ( i is = 0). in case of inverse operation the intrinsic drain source diode is eventually conducting resulting in considerably increased power dissipation. the transition from inverse to forward mode can result in a delayed switch on. note: temperature protection during inverse load current operation is not possible! v bb disconnect with energised inductive load provide a current path with load current capability by using a diode, a z-diode, or a varistor. ( v zl + v d <39 v if r in = 0). for higher clamp voltages currents at in and is have to be limited to 120 ma. version a: profet v in out is bb v bb v zl v d
data sheet bts 6144b/p infineon technologies ag 11 of 16 2003-oct-01 short circuit detection fault condition: v on > v on(sc) (3.5 v typ.) and t> t d(sc) (typ.650 s). overload detection fault condition: v on > 1 v typ. detection circuit logic unit + v bb out v on short circuit short circuit is a combination of primary and secondary impedance?s and a resistance?s. profet v in out is bb r sc i in v bb z l sc l sc 10mohm 5uh a llowable combinations of minimum, secondary resistance for full protection at given secondary inductance and supply voltage for single short circuit event : 0 5 16v 10 0 100 200 r sc [mohm] 15 l sc 300 [uh] v : bb 18v 24v 30v 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 = 12 v, r l = 0 0,01 0,1 1 10 100 1000 110100 i_l [a] l [mh]
data sheet bts 6144b/p infineon technologies ag 12 of 16 2003-oct-01 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 2a: switching motors and lamps: i in t v out i il i is i is , faut / i is , lim as long as v bis < v z,is the sense current will never exceed i is,fault and/or i is,lim . figure 2b: switching an inductive load: i in t v out i l i is v on ( cl )
data sheet bts 6144b/p infineon technologies ag 13 of 16 2003-oct-01 figure 3a: typ. current limitation characteristic 01020 v on [v] [a] i l(sc) 30 v on(sc) 0 20 40 60 80 100 120 in case of v on > v on(sc) (typ. 3.5 v) the device will be switched off by internal short circuit detection. figure 3b: short circuit type one: shut down by short circuit detection, reset by i in = 0. i in i l i l(sc) i is t t d(sc1) i is,fault t delay(fault) t m v on > v on(sc) shut down remains latched until next reset via input. figure 3c: short circuit type two: shut down by short circuit detection, reset by i in = 0. i in i l internal switch off i is t t d(sc2) i is,fault v on i l k ilis 1v typ. depending on the external impedance shut down remains latched until next reset via input. figure 4a: overtemperature reset if t j < t jt i in t i is v out t j i is,fault a uto restart
data sheet bts 6144b/p infineon technologies ag 14 of 16 2003-oct-01 figure 4b: overload t j < t jt i in t i l v bb i s -v out v =1v typ. on r *i on l,lim i l k ilis i is,lim i is,fault figure 5a: undervoltage restart of charge pump, overvoltage clamp 0 01012 v out v bin(ucp) v in = 0 i in = 0 v on(cl) v on(cl) v bin(u) v bin(u) dynamic, short undervoltage not below v bb figure 6a: current sense versus load current: 0 1 2 i l [a] [ma] i is 10 20 30 40 3 i is,lim 4 i is(lh) 50 i l,lim i l(min) figure 6b: current sense ratio 22 : 0 20000 01020 i l [a] k ilis 5 30000 10000 30 22 this range for the current sense ratio refers to all devices. the accuracy of the k ilis can be raised by means of calibration the value of k ilis for every single device.
data sheet bts 6144b/p infineon technologies ag 15 of 16 2003-oct-01 figure 7a: output voltage drop versus load current: 0.0 0.05 0.1 0246810 14 i l [a] [v] v on on(nl) v on r
data sheet bts 6144b/p infineon technologies ag 16 of 16 2003-oct-01 package and ordering code all dimensions in mm smd:to-220-7-180 sales code bts6144b ordering code q67060-s6058-a102 standard (straight): to220-7-230 sales code BTS6144P ordering code q67060-s6320-a102 all metal surfaces tin plated, except area of cut. shear and punch direction no burrs this surface. 0.5 back side, heatsink contour 1.27 1) c 6x 0...0.15 0.6 7x 0.1 0.25 m 12.5 0.3 15.6 17.5 0.3 13 7.5 2.8 0.2 6.6 3.7 -0.15 0.2 0.2 9.9 9.5 a b ac 4.4 1) 0.05 +0.1 -0.02 1.3 b 0.2 9.2 0.1 0.5 2.4 published by infineon technologies ag , st.-martin-strasse 53, d-81669 mnchen ? infineon technologies ag 2001 all rights reserved. attention please! the information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. infineon technologies is an approved cecc manufacturer. information for further information on technology, delivery terms and conditions and prices pleas e contact your nearest infineon technologies office in germany or our infineon technologies representatives worldwide (see address list). warnings due to technical requirements components may contain dangerous substances. for info rmation 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 dev ice 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 reasonable to assume that the health of the user or other persons may be endangered.

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