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features ? temperature and voltage compensated freq uency (fully integrated oscillator) warning indication of lamp failure by means of frequency doubling voltage dependence of the indicator la mps also compensated for lamp failure relay output with high current capa bility and low saturation voltage frequency doubling only during direction mode temperature compensated threshold for lamp failure detection overvoltage and undervoltage shut down of the relay outputs quiescent current i 10 a (switches open) emi protection according to iso tr 7637/1, test level 4 (exclusive load dump) reversed battery protection by means of a serial resistor and relay coil connected load dump protection 80v with external pr otection components 12v/24v application package: so16 electrostatic sensitive device. observe precautions for handling. 1. description the integrated circuit ata6140 is used in relay-controlled automotive flashers. with two output stages, each side of the vehicle is controlled separately. a left and a right direction indicator input with only a small control current makes switch contacts for small loads possible. the separate hazard warning input simplifies the construction of the hazard switch. lamp outage is indicated by frequency doubling during direction mode. thanks to the extreme low current consumption the ata6140 can be con- nected to the battery directly. two-relay flasher ata6140 rev. 4560e?auto?09/05
2 4560e?auto?09/05 ata6140 figure 1-1. block diagram measure input batt battery sense ign output left output right ic-ground led 24v test pin integrated oscillator por logic power on and 5 v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp ts1b ts2b ts1g ts2g haz debounce input debounce input debounce input debounce input led
3 4560e?auto?09/05 ata6140 2. pin configuration figure 2-1. pinning so16 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 ts1g ts1b ts2g ts2b output right batt output left ign led led haz 24v battery sense test ic-ground measure input table 2-1. pin description pin symbol direction function 1 ts1g in input left turn switch to ground (1) 2 ts1b in input left turn switch to battery (1) 3 ts2g in input right turn switch to ground 4 ts2b in input right turn switch to battery 5 output right out relay driver right side 6 batt supply power battery voltage battery force 7 output left out relay driver left side 8 ign in ignition input 9led in open: regular frequency switch to ic-ground: led outage left side, external signal frequency doubling left side (2) 10 led in open: normal work switch to ic-ground: led outage right side, external signal frequency doubling right side (2) 11 haz in input switch to hazard warning 12 measure input in voltage drop at the shunt resistor 13 24v in switch to 24v version: open enables overvoltage shut down function, connecting to ic-ground disables overvoltage shut down function 14 battery sense in sense battery voltage for the internal comparator with high precision 15 test pin either not connected or connected to ic-ground 16 ic-ground supply ic-ground note: 1. use either switches to ground pin 1 and 3 or switches to battery pin 2 and 4 2. these pins can be connected optional by using led flashlights to indicate outage. if a led pin is on low level, frequency doubling is active, independent of pin measure input.
4 4560e?auto?09/05 ata6140 3. absolute maximum ratings stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions beyond t hose indicated in the operational sections of this specification is not implied. exposure to absolute maximum rati ng conditions for extended periods may affect device reliability . parameters symbol value unit supply voltage, pin 6 v vs 6 to 40 v ambient temperature range t amb ?40 to +105 c junction temperature range t j ?40 to +150 c storage temperature range t stg ?55 to +150 c 4. thermal resistance parameters symbol value unit maximum thermal resistance so16 r thja 110 k/w 5. operating range parameters symbol value unit supply voltage, pin 6 v vs 6 to 24 v supply voltage, pin 6 (24v version, pin 13 to gnd) v vs 18 to 33 v 6. noise and surge immunity parameters test conditions value conducted interferences (1) iso 7637-1 level 4 esd (human body model) mil-std-883d method 3015.7 (2) 2 kv mil-std-883d method 3015.7 (pin 12 and pin 14) 1 kv esd fcdm (field induced charge device model) esd - s. 5.3 500v note: 1. at both outputs a relay of minimum 130 ? should be added (for details see application circuits figure 11-2 on page 8 to figure 11-9 on page 12 ). 2. exclusive pin 12 and pin 14.
5 4560e?auto?09/05 ata6140 7. electrical characteristics no. parameters test conditions pi n symbol min. typ. max. unit type* 1 supply voltage range 1.1 supply voltage 6 v vs 816vc 1.1 supply voltage (24v version) 6v vs 18 33 v c 2 current consumption 2.1 quiescent current (v s ) v vs < 16v switches open 6i vs 10 a a 2.1 quiescent current (v s , 24v version) v vs < 33v switches open 6i vs 20 a a 2.2 supply current (v s )v vs < 16v 6 i vs 6maa 2.2 supply current (v s , 24v version) v vs < 33v 6 i vs 8maa 3 under and overvoltage detection 3.1 undervoltage detection threshold 6v vu 68va 3.2 undervoltage detection delay time t duv 2.5 10 ms a 3.3 overvoltage detection threshold 6v vo 18 22 v a 3.3 overvoltage detection threshold (24v version) disabled in 24v version (pin 13 to gnd) 6v vo va 4relay outputs 4.1 current output right 5 i i5 170 ma a 4.2 current output left 7 i i7 170 ma a 4.3 saturation voltage right 170 ma at 23c 5 v satr 1va 4.4 saturation voltage left 170 ma at 23c 7 v satl 1va 4.5 leakage current right 5 i leakr 3aa 4.5 leakage current right (24v version) 5i leakr 6aa 4.6 leakage current left 7 i leakl 3aa 4.6 leakage current left (24v version) 7i leakl 6aa 4.7 start delay time right 5 t dr 10 40 ms a 4.8 start delay time left 7 t dl 10 40 ms a 5 control signal thresholds 5.1 frequency doubling v s = 9v 12 v thfd9 42 45 48 mv a 5.2 frequency doubling v s = 15v 12 v thfd15 50 53 57 mv a 5.2 frequency doubling (24v version) v s = 24v 12 v thfd24 65 mv a 5.3 short circuit detection v s = 13.5v 12 v thsc 425 475 525 mv b 5.3 short circuit detection (24v version) v s = 24v 12 v thsc 650 mv b *) type means: a = 100% tested, b = 100% correlation tested, c = characterized on samples, d = design parameter
6 4560e?auto?09/05 ata6140 8. short circuit or overload detection delay direction mode: 100 ms during the first bright phase, 50 ms during all following bright phases hazard mode: 100 ms during all bright phases in case of overload the relay output switches off (not stored) 9. bulb outage detection the detection of bulb outage takes place during the bri ght phase. there is a delay time of typi- cally 128 ms before ata6140 measures the bulb current with a debounce period of 5 ms. after this time the inrush current dropped significantly. application hint: it has to be considered that a slow relay contact may shorten the inrush current decay time and too high current would be measured and falsely an outage may not be detected. if operated with low supply voltage (e.g., 8v) the relay speed could be even slower. 5.4 temperature coefficient ?40c to +105c 12 c th 30 v/k c 5.5 input current v s = 13.5 v 12 i th 2aa 5.5 input current (24v version) v s = 24v 12 i th 4aa 6 led inputs 6.1 threshold left v s = 13.5v 9 v ledl 14.5va 6.2 threshold right v s = 13.5v 10 v ledr 14.5va 6.3 pull-up resistor left 9 r ledl 10 75 k ? a 6.4 pull-up resistor right 10 r ledr 10 75 k ? a 7timing 7.1 basic frequency 1/f = 706 ms f b ?10.5 +12 % a 7.2 bright period 50 % a 7.3 bright period in failure mode 40 % a 7.4 failure frequency f f 2.2 f b a 7.5 debounce time bulb outage detection 12 3.6 5 6.2 ms 7. electrical characteristics (continued) no. parameters test conditions pi n symbol min. typ. max. unit type* *) type means: a = 100% tested, b = 100% correlation tested, c = characterized on samples, d = design parameter
7 4560e?auto?09/05 ata6140 10. flasher operating mode ignition input left ground input right ground input left ignition input right ignition input hazard left lamps (1) right lamps (1) frequency in case of lamp failure (1) off open open ic-ground ic-ground open x x x off ground open ic-ground ic-ground open x x x off open ground ic-ground ic-ground open x x x off open open ic-ground ic-ground ground flash flash normal off ground open ic-ground ic-ground ground flash flash normal off open ground ic-ground ic-ground ground flash flash normal off ground ground ic-ground ic-ground ground flash flash normal off ground ground ic-ground ic-ground open x x x (2) on open open ic-ground ic-ground open x x x on ground open ic-ground ic-ground open flash x double on open ground ic-ground ic-ground open x flash double on open open ic-ground ic-ground ground flash flash normal on ground open ic-ground ic-ground ground flash flash normal on open ground ic-ground ic-ground ground flash flash normal on ground ground ic-ground ic-ground ground flash flash normal on ground ground ic-ground ic-ground open flash flash normal off v batt v batt open open open x x x off v batt v batt ignition open open x x x off v batt v batt open ignition open x x x off v batt v batt open open ground flash flash normal off v batt v batt ignition open ground flash flash normal off v batt v batt open ignition ground flash flash normal off v batt v batt ignition ignition ground flash flash normal off v batt v batt ignition ignition open x x x (3) on v batt v batt open open open x x x on v batt v batt ignition open open flash x double on v batt v batt open ignition open x flash double on v batt v batt open open ground flash flash normal on v batt v batt ignition open ground flash flash normal on v batt v batt open ignition ground flash flash normal on v batt v batt ignition ignition ground flash flash normal on v batt v batt ignition ignition open flash flash normal notes: 1. x = no flashing 2. if ignition is off, the input level cannot be sensed (the ic is in the sleep mode). for hazard mode use the input hazard. 3. for hazard mode use input hazard or switch to battery as shown in figure 11-4 on page 9 and figure 11-8 on page 11 .
8 4560e?auto?09/05 ata6140 11. diagrams figure 11-1. timing diagram figure 11-2. application 1: 12v version, turn signal switches to gnd, hazard switch to gnd 706 t/ms 353 128.5 127.5 100 50 0 bright phase 50% dark phase 50% basic frequency doubled frequency 128.5 0 40% 60% 50 ms - 353 ms => short circuit detection 100 ms - 353 ms => short c ircuit detection during first bright phase (turn signal mode) 127.5 ms - 128.5 ms => lamp outage detection 321 t/ms 100 50 127.5 100 ms - 353 ms => short c ircuit detection during each b right phase (hazard signal mode) batt ign haz ts1g ts2g ic ground ign 3 x 1.3k led led 10 f/63v measure input batt battery sense output left ic-ground output right test pin, nc 24v nc integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp 560 ? /0.5w 1.5k 18 m ? 10k 36k 36k debounce input debounce input debounce input debounce input
9 4560e?auto?09/05 ata6140 figure 11-3. application 2: 12v version, turn signal sw itches to ignition, hazard switch to gnd figure 11-4. application 3: 12v version, turn signal switches to ignition, hazard switch to battery ic-ground batt ign haz ts1b ic ground output left output right test pin, nc led led 2 x 1.3k ts2b 10f/63v measure input batt battery sense 24v, nc ign to ic-ground integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp 560 ? /0.5w 18 m ? 1.3k 10k 10k 10k debounce input debounce input debounce input debounce input batt ign ic ground ts1b ts2b haz ic-ground led 10f/63v measure input batt battery sense output left integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp output right test pin, nc 24v nc ign to ic-ground led 1.3k 1.3k 10k 10k 18 m ? 560 ? /0.5w debounce input debounce input debounce input debounce input
10 4560e?auto?09/05 ata6140 figure 11-5. application 4: 12v version, turn signal switches to ignition, hazard switch to gnd, additional led outage figure 11-6. application 1: 24v version, turn signal switches to gnd, hazard switch to gnd ign haz measure input batt battery sense output left ic-ground ts1b ts2b ic ground right left led outage output right test pin, nc 2 x 1.3k 24v, nc batt 10f/63v ign to ic-ground 10k 10k 10k 1.3k 560 ? /0.5w 18k 18k 18m ? integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp debounce input debounce input debounce input debounce input ic-ground batt ign haz ts1g ts2g measure input battery sense output left output right ign tbd 3 x 2.7k led led batt 10f/63v test pin, nc 24v integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp 20k 36k 36k 5.1k 560 ? /0.5w debounce input debounce input debounce input debounce input
11 4560e?auto?09/05 ata6140 figure 11-7. application 2: 24v version, turn signal sw itches to ignition, hazard switch to gnd figure 11-8. application 3: 24v version, turn signal switches to ignition, hazard switch to battery batt ign haz ts1b 2 x 2.7k ts2b 10f/63v ic-ground battery sense output left output right led led batt ign to ic-ground measure input 24v integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp 560 ? /0.5w tbd 2.7k 20k 20k 20k test pin, nc debounce input debounce input debounce input debounce input batt ign measure input batt battery sense output left output right ts1b ts2b haz ic-ground led led 2 x 2.7k 10f/63v ign to ic-ground integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp 560 ? /0.5w tbd 24v 20k 20k test pin, nc debounce input debounce input debounce input debounce input
12 4560e?auto?09/05 ata6140 figure 11-9. application 4: 24v version, turn signal switches to ignition, hazard switch to gnd, additional led outage ign haz measure input batt battery sense output left ic-ground ts1b ts2b right left led outage output right 2 x 2.7k batt 10 f/63v ign to ic-ground 24v integrated oscillator por logic power on and 5v regulator current monitoring and short circuit protection charge pump output stages over-, undervoltage and load dump detection debounce debounce bias current input comp comp 18k 18k 560 ? /0.5w tbd 2.7k 20k 20k 20k test pin, nc debounce input debounce input debounce input debounce input
13 4560e?auto?09/05 ata6140 13. package information 14. revision history 12. ordering information extended type number package remarks ATA6140-TBQY so16 taped and reeled, pb-free technical drawings according to din specifications package so16 dimensions in mm 10.0 9.85 8.89 0.4 1.27 1.4 0.25 0.10 5.2 4.8 3.7 3.8 6.15 5.85 0.2 16 9 18 please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. revision no. history 4560e-auto-09/05 ? put datasheet in a new template ? pb-free logo on page 1 added ? ordering information on page 13 changed
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