unisonic technologies co., ltd uu6043b preliminary linear integrated circuit www.unisonic.com.tw 1 of 4 copyright ? 2013 unisonic technologies co., ltd qw-r121-024.a flasher ic with 18m ? shunt ? description the utc uu6043b is a miconductor integrated circuit designed for relay-controlled automotive flashers where a high level emc is required. lamp outage is indicated by frequency doubling during hazard warning as well as direction mode. ? features * temperature and supply voltage compensated frequency * warning indication of lamp failure by means of frequency doubling * relay driver output with high current carrying capacity and low saturation output * minimum lamp load for flasher operation: 1 w * very low susceptibility to emi sop-8 ? ordering information ordering number package packing lead free halogen free uu6043bl-s08-t uu6043bg-s08-t sop-8 tube UU6043BL-S08-R uu6043bg-s08-r sop-8 tape reel (1) t: tube, r: tape reel (2) s08: sop-8 (3) l: lead free, g: halogen free uu6043bl -s08 -t (1)packing type (2)package type (3)lead free
uu6043b preliminary linear integrated circuit unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r121-024.a ? pin configuration gnd vs si ld vs osc rel osc 1 2 3 4 8 7 6 5 ? pin description pin no. pin name description 1 gnd ic ground 2 vs supply voltage 3 rel relay driver 4 osc c 1 oscillator 5 osc r 1 oscillator 6 vs supply voltage, sense 7 ld lamp outage detection 8 si start input (49a) ? block diagram 4 6 k 1 k 2 k 3 3 7 2 8 5 pulse generator 5k ic ground 20k 20k v 6 -49 mv 20k 5k osc osc vs vs ld rel si 23v 1 gnd
uu6043b preliminary linear integrated circuit unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r121-024.a ? absolute maximum rating reference point pin 1 parameter symbol ratings unit supply voltage pin 2 and 6 v s 16.5 v surge forward current t p = 0.1 ms pin 2 and 6 i fsm 1.5 a t p = 300 ms pin 2 and 6 1.0 a t p = 300 ms pin 8 50 ma output current pin 3 i o 0.3 a power dissipation t a =95c p d 340 mw t a =60c 560 mw ambient temperature range t a -40~+95 c junction temperature range t j 150 c storage temperature range t stg -55~+150 c note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal resistance parameter symbol ratings unit junction to ambient ja 160 c/w ? electrical characteristics typical values under normal operation in application circuit (see figure 1), v s (+49, pin 2 and 6)=12v. reference point ground (-31), t a =25c, unless otherwise specified. parameter symbol test conditions min typ max unit supply voltage range v s pin 2 and 6 9 15 v supply current i s dark phase, pin 2 and 6 4.5 8 ma bright phase, pin 2 and 6 7.0 11 ma relay control output: saturation voltage reverse current v o pin 3 i o =150ma, v s =9v 1.0 v i o 0.1 ma start delay (delay time) t on first bright phase 10 ms frequency tolerance ? f 1 normal flashing -5 +5 % bright period ? f 1 basic frequency f 1 47 53 % ? f 2 control frequency f 2 37 45 % frequency increase f 2 lamp outage 2.15 f 1 2.3 f 1 hz control signal threshold v rs v s =15v, pin 7 50 53 57 mv v s =9v, pin 7 43 45 47 mv v s =12v, pin 7 47 49 51 mv leakage resistance r p 49a to gnd 4 5 k ? lamp load p l 1 w
uu6043b preliminary linear integrated circuit unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r121-024.a ? typical application circuit c 1 k 1 k 2 k 3 3 7 2 8 5 pulse generator 23v 5k 20k 20k v 6 -49 mv 20k 5k r 1 +v s +49 r 3 shunt 18m 470 r 4 4 6 gnd -31 1.5, 2.2k r 2 relay 49 a 5w 21w 21w 21w 21w 5w indicator lamps ic ground 1 utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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