BTS612 SIEMENS | Alldatasheet
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SIEMENS Preliminary data BTS 612 Description PROFET® an inteligent power switch with integrated © Two independent high-side switches protection against self-destruction © Overtemperature protection for each channel Application Power switch forall kinds of loads. © Overload protection for each channel © Short circuit protection by overtemperature protection ) —case_—_—Piastc package, smilarto TO 220 © Overvoltage protection Pin 4 wsnorted to the © Input protection ‘mounting flange © Clamp of negative output voltage with inductive loads © Open load detection in OFF-state © Maximum current internally limited = © Protection against loss of ground FS Ry” Bats? {3} © Undervoltage shutdown with reset and hysteresis = 1s, Status aI © Overvoltage shutdown with reset and hysteresis 0 Ee We Gheratina voltage 13) ® Open drain status feedback fl =e rey © Electrostatic discharge (ESD) protection ia pin configuration MAXIMUM RATINGS 7022017 Type _|_Ordering code [pescnrnon [svmeor_Jaarinas [unm [conomions ] "0" buna [®reakdown vonage [Wawa [40 [v_[iyena0. 150°C eA] ppeena active ar [snorecnewecurrent fic | settarmmed [| power dissipation i Dire-slvhtnssriersid pa jo | sa fw re coy. For2eV egpucabon aa I a range onwards Se |seaturpmneurene rT [ma |oupccae [ne | 2 [ier torbothchamets | [erp-case ne [kw [foreachenannel [eupcambent nw 8 POT BLOCK DIAGRAM ! PROTECTION: races, . 1 ‘CURRENT: 1 ! ‘UMMTING ! i LeveL 1 : waaat ANE ' TEMPER. SENSOR? Yours (1) ! & , i es" | (OPEN CIRCUTT DET. 1 1 1 t | GATE 2 : q s64o, 1 ngtechans i toad INI G)—P £0 | se ‘uMTING ' me ? AS t RECTINER? ! i ‘TEMPER, SENSOR 2 sour . ‘ ! OPEN CIRCUIT DET. ! : IRCUTT DET. 2 . 1 rn | oad 2 “a seni VV @) toad GND Semiconductor Group 7-203 M™@ 4235605 0054855 Téa me
Electrical characteristics for each channel Preliminary data BTS 612 (at T, = 25°C, unless otherwise specified) Description Symbol [nn [5 [mm | Drain-source Rostony Vow = 12V, = 2A on-state resistance (Pin 4 to 7/1) Operating voltage | Vix VT, = -40...+150°C (Pin 4 to 2) Nominal current, 1-150 A [1SO-proposal: calculated value Vo - Vout = 0.5V, (Pin 7/1 to GND ) Tc = 85°C Load current, 4,-MOS 14 A |MOS-standard: theoretical value Te = 25°C, (Pin 7/1 to GND ) T, = 150°C Load current limit hum onset of active regulation (Pin 7/1 to GND ) when: Veo - Vour > 1V Standby current BA |Vep = 12V anepores [he eae Voltage threshold for | Voc Vv open load detection in OFF - state i Input voltage Vani Vo [Vee = 12V Input current bntort 1 50 | HA [Vinor = 0.4V (Pin 6/3 ) Nrnton) 20 80 Vinion) = 2.5V prem [TLS pens di/dton | 0.01 0.1 | Avps |Vin = 12V_ Resistive Load di/dtoy | 0.01 0.1 L=2Aa Status (Open drain) | Vse¢ugn) 7 Ve |ist = 50 pA Vst (owt 0.8 Ise =GomA, 7 2-40 -F7S0° C negative inductive Vind 33 Vo |Vbp =12V clamp voltage Vind = Vobiaz) Vb Vbb(az)=45 Viyp Reverse polarity -Vbb v (Pin 2 to 4) * *) Requires 1500 resistor in GND connection. Reverse load current (through intrinsic drain- source diode) is normally limited by the connected load. Input and Status currents have to to be limited. It is recommend that 15k resistors be inserted in series with IN and ST. Semiconductor Group 7-204 M@™ 6235605 0054856 914
Truth table ( priority given to activated (Vin = high) channel in the event of status conflict) L L L L H Normal operation H H H H 4 L H L H H H L H L H Overtemperature | Channel 1 H x L x L Channel 2 x H x L L Ch.1/Ch.2 L L L L H | H x H x H Channel 1 L t H L L Open Load Sn NE ESL LOE SL Le x H x H H Channel 2 L L L H L H L H H H L = “Low” level X = “Don'tcare” H= “High” level Z_ = Potential defined by external impedance Status timing : see applications Operating range (typ. at T; = 25°C) OO ev 0 4 36 45 1: Undervoltage sensor causes the device to switch off 2: Normal operation . 3: Overvoltage sensor causes the device to switch off 4: Increase of current between pin 4 and 2 from Zener diode to protect the circuit against overvoltage spikes MH 8235605 0054857 850 mm 205
Protection against loss of ground Preliminary data BTS 612 This power switch is fully protected against loss of ground (see below). By definition: no load current flows in the load despite loss of ground 1: Broken ground line at the BTS... Vin “3 1s 4 1 Xoun y, Vo S| 3 BTS... TRO +B 6 Q 2 SZ OY m a JS broken ground line V V V V 2: Broken ground line in the system, ground pulled high by Interface © Voo Vio Pte 5 4 4 Lepore IN Interface S 3 ars.. 7 oe |e, DEC en pe Bd) fs) VV VY 3: Broken ground line in the system and interruption of Vib Vbb > 6
9 Voo
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Interface O— 2 BTS... 5 p—-G t 1 iW, S27 oro pS x9 VVVYV Semiconductor Group 7-206 @™ 8235605 0054658 797
Circuits Preliminary data BTS 612 ESD Protected Logic-Inputs: IN1 / IN2 (3/6 ) Perrone oa ee nn eee ee ' 9+ Vioaic ' H ! ' 1 aka ' IN1 / 1N2 ® {] . Logic-Unit Vinavin2 6V Q! max 7\\O ca. 50 ua GND 9 Sma en Ce le ee + ESD Protected Status-Output: ST(5) Open drain output with a typical output voltage of 6.0V it ' ti i tid ‘ toa H i | Logic-Unit + 4 sT Hi 6V | ‘ H max. [Vst 1 5SmA H im GND a nannnee Bae} 1 i Voltage Sensor (typ. at Tj = 25°C): Undervoltage sensor Overvoltage sensor Oo + Vbb O + Vbb Vbb < 4V Signal to the logic unit: Vbb > 36V Signal to the logic unit: ‘Switch OFF with reset ‘Switch OFF with reset @™@ 8235605 0054859 623 MM 7-207
Open load detection in OFF - state Poi ee ete te ee erg ! +Vbb ! ! i Cy ! i A ae ‘ ‘ Vout i ' ' Open load ! L : sun . oad J begin detection unit ! Voc 1 1 ey <a Go | V The "Open load detection” unit monitors the voltage between OUT and GND 7-208 - 6235605 0054860 345 ml
Applications Preliminary data BTS 612 1: Switching lamp loads or inductive loads Vow va | 4 1 Youn t i ets 7 Youn tot 1! toy Vina i i 9 v fl as 1 Diagram for each channel lamp loads Vivtvin2 Vout1 our 2 ( _ | lout our? | : ti ———, * ‘ : ——s inductive toads Vin reine | i a Nour a 1 tours youre : —,; iH : ' MB 6235605 0054861 281 mm7-209
2: Operation with overload / overtemperature Diagram 1s representative of each channel. The channel not shown is in the OFF - state (normal operation) Vines cana| Vours soura| a al { woman / | { | ' Vsr it poi ——— avtorestart _ oncoolng covertemperature detection Diagram 1s representative of each channel. The channel not shown is in the ON - state (normal operation) Viney 112 Vourt sour ( 1] ( 1 : our ” | { H Vsr tot pb aurorestart ancookng overtemperature detection
8235605 OO548b2 118 mm 77210
3: Operation with open load rydata BTS 612 Diagram ts representative of each channel. The channel not shown is in the OFF - state (normal operation) a ina] “orm f foun " po i : Vst tot Hi H Delay 100t0 30 us —t Lo Open load Diagram is representative of each channel. The channel not shown is in the ON - state (normal operation) Vint " Youn, % | { Vst : ' ' ! ——t Opentoad ME 8235405 0054863 O54 MM 7-21