U6051B

U6050B MSK | Alldatasheet

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CAL LT! . LO MULTIPLEX SYSTEM Elektronik-Service Technology: Bipolar . Bodelschwinghstr. 32 D-75031 Epp oO Application: Tel. 07262/91 . Fax: 07262/32 13 Transmitter (U 6050 B) and receiver (U 6051B, U 6052 B) for permanent scanning of 8 switch-positions, serial data transmission via a single data line and driving up to 8 relays. Features: @ Only a single line is necessary @ Reduced power dissipation by @ Quadruple comparison of the data pulsed driver outputs signal for high transmission safety @ Transmitter data output short circuit @ All outputs switched off if data line protected is disturbed @ Transmitter can be powered via data line @ Short circuit detection of the integrated @ Wide supply voitage range relay driver @ U 60508: 8 relay drivers, @ Transmitter and receiver prepared U 6051 B: 4 relay drivers and for master/slave operation 4 logic outputs (16 switches, 16 relays) © Meet the demands of VDE regulation 0839 @ (oad dump protected UPDATE 7/95 1.) U6052B: In order to ensure proper operation the receiver's maximum oscillator frequency must be limited. Oscillator input OSC (see page 18) Frequency fosce 1.0 KHZ 28.6 KHz 40 kHz 2.) U6050B, U6052B: Clock output CO (see page 16, 18) [Min Max. Output current ,high"-leo 140 pA 250 pA 3.) 60508, U6052B: For the calculation of the oscillator frequency the following approach tan be used (see page 5) * fose = 1! Coge (0.79 x Rose + 2260 9) 4) Availability U60508B only in SO20 (US050B-AFL) U6051B is cancelled U6052B still in DIP18 (U6052B-A) and SO24 ({U6052B-AFL) | Vesa ayy

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; TEMIC U 6050B - U 6051B . U 6052B nner 1. Functional description of transmitter and receiver 1.1 Power supply 2. Transmitter supply via the data line For reasons of protection against interference The supply fine is not required if the transmitter is and surges must all circuits be equipped with an supplied via the data line, Refer to Fig. 16 for the RC circuit for current limitation in the event wiring. It must be noted that there is greater overvoltages and for buffering in the event of susceptibility to faults with this wiring voltage dips at Vg. arrangement, but this can be eliminated by a Suggested dimensions: Ry = 510 0, Cy =100 uF. suitable external circuit, e.g. a capacitor to ground An integrated 14 V Z-diode is located between after the reverse voltage protection diode. Vg and GND in each case. Both transmitter and receiver possess an integrated 14 V Z-diode at the data output DO

1.2 Oscillator and data input DI for limitation of positive voltage

All timing in the circuits is derived from an peaks. RC-oscillator in each case; the oscillator's charging time t, is determined by an external resistor R,,.. 3. 5V supply and its discharge time t, by an integrated 2 kQ Both the transmitters and receivers canbe supplied resistor. Since the tolerance and temperature from one stabilized, noise-free 5 V voltage source. sensitivity of the integrated resistor are In this case, the series resistor and the filter considerably greater than those of the external Capacitor are not required. Pin V,,,, is also supplied resistor, t,/t,2 20 must be selected for stability by the 5 V supply. reasons. The minimum value of R,,, shouldnotbe —_ Refer to Figs. 15, 17, 18 and 20. less than 68 kQ. . 4. Functional description of the transmitter Recommended frequencies and dimensioning: U6050B frransmiter= 6-4 KHz; Coo 1 AF; Ryg-=200 kQ Eight switch or pushbutton inputs are scanned froceiver = 25.6 kHz; C,.,=220 pF; R,..=200 kQ cyclically every 15 ms and the result is permanently Times derived from the transmitter frequency transmitted to the receiver as a serial data word via (6.4 kHz): the data line. Start pulse 1312 us 4.1 Structure of the data word One bit . ; 2156 us A switch information unit consists of 4 parts: Information bit 156 us 1. One bit for receiver synchronization Zero bit ‘156 ps 2. Information bit with “High” = switch open Information unit 1625 ps “Low” = switch closed Data word 75 ms+312ys start bit 3. Zero bit . Data pause : 9.688 ms 4. Zero bit Transmission cycle 515 ms The data word consists of 2 start bits and 8 Minimum reaction time : 60 ms information units. For a transmitter frequency of Data word master-slave: 10ms+312usstartbit 4 kHz, the data word length is 5 ms plus the start Data pause master-slave : 4.688 ms pulse, followed by a 10 ms long data interval. The Scanning pulse 1312 ps - data interval has high potentiai. When the supply ON delay 275 ms voltage is applied, data transmission is constantly repeated in accardance with this pattern (Fig. 4). Switch 1 Switch 2 Switch @ Data intervai Data interval Elektronik-Service Bodelschwinghstr. 32 Start bit Inf. bit Inf it D-75031 Eppingen Start bit | Tel.: 07262/9 12 36-0 One bit, Fax: 072 62/32 13 Inf be, Zero_bit | Zerg bit, vo senae

4.2 ON delay and POR 4.3 Switch input scanning ; After the supply voltage V,,4, ‘s applied to the For reliable detection of the switch condition, a transmitter, a POWER-ON-RESET pulse (POR) is certain minimum current must flow through the generated internally which sets the logic of the switch contact so that soiling and moisture cannot U 6050B to a basic condition. This also applies to lead to misinterpretations. the other circuits. The data output is blocked for Avalue of 2 mAwas planned forthe contact current. approx. 75 ms so that the supply capacitor can be To reduce.the overall current consumption of the charged up when V,,,,, is switched oninthecaseof transmitter, the switches are supplied cyclically transmitter supply via the data fine (Fig. 5). with the contact current, so that the power COCCI consumption is rediced from the maximum of 16 mA to 0.33 mA owing to the duty factor of 2.5/15. rt ti tei tT yy The voltage drop across the inputs caused by the Hannan = ann Data scan pulse, the switch is closed, while the switch is ml | | | | | | Hl ef | | | | I open if the potential is greater than 2.5 V. The Ha HH leakage resistance of the switching contact can |_| it Tt thus be approx. 2.5 kQ if a protective resistor of |i | Tie | 100 Qis provided. Protective resistors for limitation Hi tite | ty TT] Start of interference voltage peaks at tre inputs are A long. in a noise-free environment, the protective resistors at the switch inputs can be omitted. The Lsm.| wm | input posses an integrated 14 V Z-diode. 15 ms oo esme Fig. 4 [TTT tit ty PT TT Pet yt LPT Pet ett = 4 sue COOCP ECC SIT ere a teem eae TT ar { a L_UUVOURL TT) =" | tI (tit reo AH caseaae Oe se SCE ie Se EC CROUCH GO LITT Petit ee eee voeste € Fig. 5 Fig. 6 Elektronik-Service Bocetschwinghstr. 32 ~ ppingen Tel.: 0 7262/9 1236-0 Fax: 072 62/3213

eo SSSSSSsSeSSsSFFSSSssSFFMSsFsshe (TITTLifTiT {i cascade reset. After the last master information unit, the slave frequency divider is enabied so that Pi tee eT Ty the slave scanning cycle and slave data ri tee EET Ty transmission can be performed. In master-slave — ——— Operation, the data word consists of the start bit Fanninahnnningéan—7—hiniont Date and 16 information units (10 ms); the data interval is ll | | | | | | Ii wlll | (mil | | | | Sms. The clock output CO of the master is i | | connected with the clock input of the slave Cl so that the time sequences of both circuits are |_| [EET ETT LL | synchronous. The voltage supply can be realized al Fi cily] f im part with a common series resistor and a common filter Te Py Operation Cito Pa Operation with 5 V is possible, refer to Fig. 20. one | se 4-8 Data output D0 (tims The data output is a push-pull output which is ee sers @ short-circuit proof both with respect to ground and Vpar- The current limiter is set to approx. 30 mAin Fig. 7 both cases. A 14 V Z-diode is located between ‘8 OO and GND to clip interference voltages. For this reason, an external series resistor of 100 Q is also required to limit the current in the Z-diode (Fig, 8).

4.4 Cascading (master-slave operation}

1. Functional description: Scanning of up to 16 switches or pushbuttons is receiver U 6050B/U 60518 possible by connecting together two transmitters. Reception of the information arriving from the The connection between master and siave is shown transmitter, decoding of the data word, ie. in Fig. 19. The data output DO of the slave is recognition of the switch conditions and activation connected with the data input DIS of the master; of the corresponding relay drivers after a data the two data signals are combined with each other check. there and are available at the data output DO of the master (Fig. 6 and 7). The master transmits the start bit andthefirst eight information units; in this time, the frequency divider of the slave is disabled by the master’s Elektronik-Service Yancy 7 DATA output Bodelschwinghstr. 32 (care D-75031 Eppingen sof] Tel.: 07262/9 1236-0 [] 100 0 Fax: 07262/32 13 tt . MF fel fl fel fs) Fl Pl Rl] mM _ U60508 LB YW Ww By TB] 100 [] 10091] roa 1o0a{] 10 af] 1e0 af] 100 9ff 100 af] a YY LY. dda Fig. 8

5.1 Data decoding

If a negative edge appears at the data input, the memories differ, the switch position must have receiver checks wether a start pulse or a fault is changed in the meantime, and the following present by measuring the duration of the pulse. (A process occurs: minimum time must be observed). Ifthere is a fault, . the receiver waits for the next negative edge. a. Relays are operated statically. If it recognises a start pulse, it checks wether an The information is transferred from the bufferto information unit with 8 bits is following and stores the output memory and the corresponding relay this in an 8-bit overflow store. The arriving data are outputs are activated. An individual short- . . : A - . circuit test takes place for 10 ms after approx. ignored if thereis no 8-bit string owing toa fault ora nerann synchronism. The receiver is synchronized by each 35 ms. lf a short-circuit s detected, the one bit; scanning of the information takes place in respective output is disabled until a new POR the middle of the information bit. In order to make occurs. scanning sufficiently precise, the oscillator b. Relays are clocked. frequency of the receiver was selected to be four After transfer to the output memory, the times as large as that of the transmitter. The corresponding relay outputs are activated deviation of the receiver frequency to the four-fold statically for approx. 120 ms; in this time, the transmitter frequency may be up to + 15% while short-circuit test described in a) is performed. still guaranteeing reliable data recognition. The relay outputs are then clocked with the oscillator frequency. 5.2 Data check . . scminn The data read into the 8-bit overflow store are Sine the period of a data transmission is 15 ms, compared with the contents of the buffer. If they are this fesults ina minimum delay time or debouncing identical, a 4-stage counter is incremented by one time of 4-15 ms= 60 ms for detection ofachangein . . . switch position. Faults on the data line and switch stage: if they are not identical, the counter is reset. : ° The new data combination is transferred to the bouncing may lead to an extension of the delay buffer after each comparison, irrespective of the time. result, iti ‘ After coincidence has been established four times, 5.3 Safety position of the relay drivers the contents of the buffer are compared with the If no data reach the receiver any longer owing toa contents of the output memory. if both are break in the data line or a short-circuit to identical, the 4-stage counter is reset. However, ground or Vs, then all relay drivers are disabled since nothing has changed with respect to the atter approx. 50 ms. it is possible to visually switch position, the information from the buffer is indicate the malfunction by permanently wiring a not transferred to the output memory. This is transmitter input to ground and connecting the important if the relay drivers are in clocked corresponding relay output in accortlance with condition. However, if the contents of the two Fig. 9. This applies only to static operation or when using a digital output of U 60518. “pat BYW 52 1 1 i 5100 470 Elektronik-Service { Bodelschwinghstr. 32 D-75031 Eppingen G nl eI a Tel.: 07262/9 1236-0 =e _—— {) U 6052B LJ] ego is] [J is} [eg] Pose - Cose [1008 I Data input be esege Fig. 9

5.4 Short circuit detection of the outputs

Approx. 35 ms after a new data transfer operation vehicle are shorter than 2 ms. The corresponding to the output memory, a comparator measures the transistor is rendered reverse-biased only if the coliector voltage of every active output transistor collectar voltage is greater than 2 V for tonger than for 10 ms. If the saturation voltage exceeds the 10 ms owing toa short circuit; this condition is then value of 2 V, this is interpreted as a short-circuit. stored and can be cancelled again only by a POR. The delay of 35 ms also permits connection of a A short-circuit which occurs at a later time can be

4.2 Wlamp: the high initial current after switching detected only when a new switch combination is

on has died away by then and cannot lead to set and a new short-circuit test takes place. erroneous tripping of the short-circuit detection However, an active transistor will be destroyed bya circuit. Measurement is not performed statically so subsequent short-circuit to Voatt: If a transistor is that faults cannot simulate a short-circuit; in reverse-biased owing to a short-circuit, the Practice, this means that each active output is remaining functions of the receiver are not impaired measured four times in the period of 10 ms {Fig. 10). by this. Experience shows that fault pulses in a motor s0ssa6e 20 08n76 ee ee: | es ae TE ET serene pt tT Pe ea Litt | Te TT pobeletie ft tpe baladad label PCRCCe A, CCH closing ' a closing +t In = Looms [scm | Fig. 10 Fig. 11 5.5 Output clocking . Clocking of the relay outputs leads to a reduction in input PO if this is provided with a voltage divider. the power dissipation of the circuit and the overall The reference voltage for "clocking off” is around equipment. The operating modes “output 2V/2.27 V. With an external voltage divider of clocking”, PO=V, or "static activation”, PO =GND, 150 kQ/39 kQ, this corresponds to a response can be selected by the input PO. threshold of Vai, = 10 V/11 V, refer to Fig. 12. After a new information transfer operation to the Clocking of the relays over thewholesuppiy voltage output memory, the relay outputs to be activated range requires a separate free-wheeling diode for are statically activated for a period of approx. each relay which can also block the required 120 ms. The above-described short-circuit test interference voitages, e.g. BAV 21. Since negative also takes place in this time and the outputs are interference voltages can reach thecollectors ofthe then clocked with a frequency of 25.6 kHz, ie. with Output transistors with low resistance via these the oscillator’s fundamental frequency. Refer to free-wheeling diodes, a high-blocking capability Fig. 11 reverse voltage protection diode, ¢.g. a BYW 52, Clocking of the outputs is switched off in the event must be connected in the supply line, because of a supply voltage of Vg,,, S 10 V: clocking is then these interference voltages would otherwise lead switched back on again for Vaan 2 11 V. Detection of to destruction of the transistors these voitage thresholds is also performed by the

5.6 Driver control OC 5.8 Cascading (master-slave operation) Arelatively high current is required for activation of Determination of master or slave is performed by all eight output transistors. This would lead to a wiring the programming input PP at the U 6052 B: large voltage drop across A, if this current were Master : PP to Ve taken from the internal supply voltage. For this Alone : PP open reason, the activation current of the relay drivers is Slave: PPto GND routed via a separate terminal DC. . It was not possible to use Darlington transistors In “master” mode, the oscillator is connected with with low base currents because the aim was a —_—R,,, and C,,, and the clock output CO is active. maximum saturation voltage of Voss: & 0.5 for —_ if the receiver is operated alone, CO is disabled. In Ig 150 mA. In the event of a fault, the potential of “slave” mode, the oscillator is blocked internatly OC is connected to ground via a Darlington and must be activated by the clock output of the transistor. Recommended series resistance for DC: master; the slave's clock output is disabled. Rog = 200 Q. The master recognises the start bit and decodes the first eight information bits. The slave also

5.7 Surge immunity, input LD recognises the start bit, but decodes the second

The IC supply is protected by an external RC circuit eight information bits. and an integrated 14 V 2-diode. Except for the synchronous clock control, the Since the output transistors cannot withstand long functions for master and slave are executed positive voltage peaks and the load dump pulse in independently. The wiring and configuration in reverse-biased condition without damage, they are master-slave mode is shown in Figs. 21 and 22. switched to forward-biased condition in the event of a fault. The output transistors are dimensioned 5.9 Activation of 8 logic outputs with so that they can cope with the current produced U6052B through an 80 Q winding as a result of the load _ Instead of being used for activation of relays, the dump puise, 8 outputs can also be used for activation of a At the same time, the potential at DC is also downstream digital circuit. The outputs must then connected to ground via a Darlington transistor. not be clocked: PO = GND. The outputs are gated via output transistors The outputs must also not be gated by If a lamp is connected, the current maybecomeso — The outputs are npn open collector transistors and high in the event ofaloaddumpinconjunctionwith —_ are capable of switching 200 mA and blocking upto the initial resistance of the lamp that the output 25 V. However, it must be ensured that no transistor and lamp may be destroyed. overvoltages and no load dump can reach the The response threshold is defined with an external output transistors in this circuit configuration. voltage divider at the input LD. The reference voltage for overvoltages is around 2 V/1.5 V, this 6. Modified receiver U 6051B corresponding to a Vi. response voltage of The U 6051B is a mask version of U 6052B approx. 30 V and a hysteresis of approx. 9 V. possessing 4 relay outputs and 4 logic outputs, in the event of positive overvoltages, every refer to Figs. 14 and 22. short-circuit scan is also suppressed. The relay outputs correspond to those of U60528B. The jogic outputs are connected by means of an aluminium mask to form an npn Darlington open Elektronik-Service collector with integrated 22 V Z-diode. Clocking Bodelschwinghstr. 32 and gating by overvoltages are not possible. The D-75031 Eppingen saturation voltage is less than 1 V for} = 20 mA. Tel.: 07262/91236-0 Overvoltages may reach the logic outputs onlywith Fax: 07262/3213 a series resistance of 1 kQ.

“ewa] d Tne i oc ow G eal] 22°) x ao mo Pl fa fal Fosell [_) U 60528 | DES eore t | ; Ral & | SS FE Nicos Ty TT DATA input seoue Fig. 12 Yeon ow sa s10q[} [jz000 HA fe] [56] f-] [io] ‘ol | Ow See lel Ts Elektronik-Service = Foe [joo Bodelschwinghstr. 32 . s D-75031 Eppingen ~ ‘9-18 fears Tel.: 07262/9 1236-0 Fax: 07262/3213 Yaact wet tt et 2) seo) ano dH aa | ae ee fa |“) | De ee i : | 305 Prsor | Hrowe LE DATA apt saws Fig. 14 & : | | Ose | fl fF fa) fifa I | ea ame ease roo = Fig. 15 foata put uae

fel (fe) fel Fl fe) Fl mf fe] fl fe) fl Fl fs) fel im fa Tee oo ee | See oe weal} 100 of] rool] woof} woof] wo 100 af} roof _ as 220 Lyra diy smn Fig. 16 Coxe Hi ” [Pore {Joo + i lA A mi ; . Elektronik-Service r_) 60508 Bodelschwinghstr. 32 D-75031 Eppingen Te a oo : Tel.: 07262/9 1236-0 veo ‘e0a{] 00] woof] woof) wool} mea r0f L Fax: 07262/3213 Fig. 17 “nee “aan By = m7 fm i) Ppa fe SeCmomS fed f a fa ted & Fig. 18 OATA mpxt waste ean 9 © DATA outpur Cosc Hi soo] f}1900 I | wee oo A eo ee hl lm fal Tae eee oe Tae oe oe ae ee woof] 1009] 1o0af] 10q[] 1900] 1coa[] 100 af] 100 of] 10[] 100 0[] 10af] ca] 100a[] 1000} 100 a[} 100 0f} Fig. 18 wane

tet . “Dow | fjooo 7 T mf i fl fl pl a a pa oo) em a a Dee we 1000} 00 af] 100[} wool] of 1200(] 100 af} 10001] woof] 199.a{] 100{] 10e[] 100[] swe woof) woo Pddb ib dd YYLELY YY Fig. 20 Yeatt oo ee mo em Po pa om gees WJ Gees i Bi) Fig. 4 A pata input seems TERE pom eee TH EWE ee eo |; Tee Fie. 22 oxve wae Elektronik-Service Bodelschwinghstr. 32 D-75031 Eppingen Tel. 07262/91236-0 Fax: 07262 /3213

Pin configuration (U 6050B) Pin Function : . (2...9) 9(10) Ground GND 10(11) Data input slave DIS 11 (13) Cascading reset output CRO Elektronik-Service 12 (14) Clock output for cascading CO . Bodelschwinghstr. 32 13 (15) Clock input for cascading Cl D-75031 Eppingen 14.(18) Cascading reset input CRI Teh O72 Oe Oe 15 (17) Data output DO Fax: 07262/321 16 (18) RC-oscillator input OSC 17 (19) Stabilized voltage V...4 18 (20) Supply voltage Vg (1,12) N.C. Pin configuration (U 6051 B) Pin configuration (U 60528) Pin Function Pin Function { 1} Ground GND { 1) Ground GND 1( 2) Logic output DO1 1{ 2) Relay output 01 2{ 3) Logic output DO2 2( 3) Relay output 02 3( 5) Program pin pulsed output PO 3( 5} Program pin pulsed output PO 4( 6) RC-oscillator input OSC 4( 6) RC-oscillator input OSC 5( 7) Data input DI 5( 7) Data input Di 6( 8) Program pin (tristate) PP 6( 8) Program pin (tristate) PP 7 (10) Relay output RO1 7 (10) Relay output 03 8(11} Relay output RO2 8(11) Relay output 04 9 (12) Ground GND 9{12) Ground GND {13) Ground GND (13) Ground GND , 10 {14} Logic output DO3 10 (14) Relay output 05 11 (45) Logic output DO4 11 (15) Relay output 06 12 (17) Driver contro! DC 12(17} Driver control DC 13 (18) Supply voltage Vg 13 (18) Supply voltage V. 15 (20) Load dump detection LD 15 (20) Load dump detection LD 16 (21) Clock output for cascading CO 16 (21) Clock output for cascading CO 17 (22) Relay output RO3 17 (22) Relay output 07 18 (23) Relay output 04 18 (23) Relay output 08 {24) Ground GND {24} Ground GND Numbers in brackets apply to SO package

U 6050B Transmitter (with recommended circuitry)” Absolute maximum ratings . Supply voltage (static) No operation 60 s Vs 25 Vv Ambient temperature range Tamb -40...+85 °C Storage temperature range Totg -55...4+125 °C Junction temperature 7, 150 ne Power dissipation Tamm = 85 °C Prot 810 mw Maximum thermal resistance Junction ambient DIP 18 Raa 80 K/w $020 Rays 100 K/w Electrical characteristics Min. Typ. Max. Veatt = 13.5 V. Tamy = 25 °C, reference: GND Transmitter operated with recommended circuitry (Fig. 8} Supply voltage Veatr 6 16 Vv 5 V supply (without Ry, Cy) V5. Vstap 4.3 6 Vv Stabilized voitage Votap 5.2 v Protection resistor Ry 510 Q Filter capacitor Cy 100 pF POR threshold Vs 3.0 4.2 Vv Current consumption fy 1.5 mA Internal clamping Vz 14.3 v Switch input $1...$8 . Sean current (Vs1.. 5g =O V) — Ig). se 2 mA Leakage resistance Rs se 1.8 3 kQ Internal reference Veet 2.5 Vv Recommended protection resistor sy. sa . 100 Q Internal clamping Voy ze 14.3 Vv Oscillator input OSC Internal discharge resistor Ros 1.6 2.0 24 kQ Lower threshold Vose 1.1 Vv Upper threshoid Vose 33 v Input current {Vosc = 0 V) ~lose 1 pA Oscillator frequency fose 1.0 64 20.0 kHz

Min. Typ. Max. Clock input Cl . internal serial resistor Ron 2 kQ Internal pull down resistor Reg 20 kQ Threshold Vey _ 06 v Clock output CO - Output current “high” (Veg = 0 V) leo 150 pA Saturation voltage “low” Yoo 1 Vv Cascade reset input CRI Internal serial resistor Poriy 2 kQ Internal pull down resistor Reri2 20 kQ Threshold Vert 0.6 v Ver = 0 V: normal operation Von = Vg : reset Cascade reset output CRO Output current “high” (Vero =O V} loro 150 pA Saturation voltage “low” Vero 1 Vv Data output DO Saturation voltage “low” (20 mA) Yoo 1.5 7 Saturation voltage “high” (20 mA) Vpo/V5 24 v Current limitation , (Vo9 =0 V) -lo 30 mA (Vo = Veet) ‘bo 30 mA Internal clamping Vv, 14.3 Vv External protection resistor Roo 400 Q Data input- slave DIS (nternal pull-up resistor Rois 100 kQ Detection threshold Vols 0.66-V, Vv Elektronik-Service Bodelschwinghstr. 32 D-75031 Eppingen Tel.: 072 62/9 1236-0 Fax: 07262/3213

oe seSSSSSSSSSSSSSssssheseee U 6051B, U 6052B Receiver (with recommended circuitry} Absolute maximum ratings ‘ Supply voltage (static) no operation 60 s Vs 25 Vv Ambient temperature range Tomb -40...+ 85 °C Storage temperature range Totg - 55...4+125 °C Junction temperature T, 150 °C Power dissipation (Tom = 85 °C) Prot 860 mw Maximum thermal resistance Junction ambient Rinse 75 K/W €lectrical characteristics Min. Typ. Max. Vgatr = 13-5 V, Tamp = 25 °C, reference GND Receiver operated with recommended circuitry Supply voltage Veart 6 16 Vv

5 V supply

(without Ry, C,) Vs. Vetap 43 6 Vv Stabilized voltage Vstab 5.2 Vv Protection resistor Ry 510 Q Filter capacitor Cc, 100 pF POR threshold Vg 3.0 4.2 Vv Current consumption (all outputs off) fg 2.0 mA Internal clamping Vz 14.3 Vv Saturation voltage (lg = 150 mA) Vo 08 Vv Relay coil resistance Ro 80 Q Collector current (normai operation) Io 200 mA Collector pulse current (load dump} lop 1.5 A Threshold short circuit detection (output activated) Vos 2 Vv Elektronik-Service Bodelschwinghstr. 32 D-75031 Eppingen Tel.: 07262 /9 1236-0 Fax: 07262/32 13

——— eee Min. Typ. Max. Logic outputs DO1...D04 (U 6051B) . Saturation voltage {lg = 20 mA} Vo 1.0 v Collector current lo 30 mA internal clamping Vy 22 Vv Threshold short circuit detection Vos 2 Vv Oscillator input OSC Internal discharge resistor Ros 1.6 2.0 2.4 kQ Lower threshold Vosc 1.1 v Upper threshoid Vose 3.3 Vv Input current (Vog¢ = 0 V) slose 1 pA Frequency lose 1.0 25.6 50.0 kHz Data input DI Threshold Vo; 0.5 - Vg Vv Internat pul! down resistor Ro 100 kQ internal clamping Vz 14 Vv Input current , (Vp, = 0 V) =p, 1 pA External protection resistor R 100 Q Programm pin PP Lower threshold Vpp 0.13 - Vg Vv Upper threshold Vpp 0.50 - Vg Vv Pin PP open Vop 0.27 + Vs . Vv Input current (Vpp=0 V) —lop 30 pA (Vpp = Vg) lop 50 pA Pin PP: | operation mode Open single GND slave Vs master Ctock output CO (activated only in master mode) Output current “high” Weg =0 V) —ho 150 pA Saturation voltage “low” Vio 1 v Separate driver control DC External protection resistor Roc 200 Q Control current loc 40 mA Load dump reduction voltage Voc 2 v 18°

Min. Typ. Max, Load dump detection LD Recommended voltage divider 270/20 kQ Load dump threshold Vip 2.1/1.4 v Load dump threshold Veate 30/21 Vv Internal clamping Vv, 7 Vv Input current (Vip =O V) -hp 1 pA Program pin Pulsed Output PO Recommended voltage divider 150/39 kQ Threshold pulsed output oft Veo 2.0/2.27 Vv Threshold pulsed output off Vaart 10/11 v internai clamping Vv, 7 Vv Input current (Vp9 =0 V) = lpg 1 pA Input current (Veg = Vg) feo 1 HA Vep =O V : static output Vep = Vg: pulsed output IC power consumption (Veatr = 16 V, Vou, = 0.5 V, eight 80 © relays activated, Rog = 200 Q) U 60528 static Prot 1130 mw U 60528 pulsed Prot 500 mw U 6051 B static Prot 750 ° mw U 60518 pulsed Prot 475 mw - ce Elektrontk-Servic Bodelschwingnstt. p-75031 Eppingen -97262/91236-0 Tel. 0 9213 Fax: 07262/

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