unisonic technologies co., ltd rcr2c cmos i c www.unisonic.com.tw 1 of 8 copyright ? 2015 unisonic technologies co., ltd qw-r502-026.c decoder for remote controller with five functions ? description the utc rcr2c can be used with the encoder utc rct2e to provide a complete control functions to the remote-controlled toy. the utc rcr2c is the receiver. it is provide five function keys to control forward, backward, rightward, leftward and turbo motions. beside, a combination of these five mo tions can be played. and utc rcr2c provides the selections of output signal format. utc rcr2c provides two high effective amplifiers and enhancive signal input (si) recognition capacity for incresing remote control distance. utc rcr2c has an internal, selectable dc-dc converter that makes the application stabl e, reliable under lower supply voltage. the input voltage rang es from 0.8v ~ 3.0v, where v out can be set to 3.0v. start-up is guaranteed from 1.0v inputs. ? features * wide and low operating voltage range: 1.8v ~ 5.0v(no dc-dc) 1.0v ~ 5.0v(use dc-dc) * 5-function output pins for control forward/ backward/ turbo/ right/ left. * provide two transmissive interface (rf and ir) for different application. * selectable output signal format through mod pin * internal, selectable dc-dc converter which need few external components * provide two high effective amplifiers and enhancive signal enput (si) recognition capacity for very weak signal for increasing remote control distance. * few external components needed and oscillator with an external resistor. * low operating current. * long distance remote control to 100m in utc rct2e and utc rcr2c pairing. * typical oscillator frequency: rf: 116~140khz. ir: 114khz(carrier frequency: 57khz). ir: 76khz(carrier frequency: 38khz). ? ordering information order number lead free halogen free package packing rcr2cl-d16-t rcr2cg-d16-t dip-16 tube - F1962G-R10-R ssop-10 tape reel rcr2cl-d16-t (1)packing type (2)package type (1) t: tube, r: tape reel (2) d16: dip-16, r10: ssop-10 (3) l: lead free, g: halogen free and lead free (3)green package
rcr2c cmos i c unisonic technologies co., ltd 2 of 8 www.unisonic.com.tw qw-r502-026.c ? marking dip-16 ssop-10 ? pin configuration ? pin description pin no. pin name function 1 v o2 inverter 2 output pin for power amplify 2 gnd negative power supply 3 si input pin of the encoding signal 4 osci oscillator input pin 5 osco oscillator output pin 6 right rightward output pin 7 left leftward output pin 8 lx dc-dc converter output pin 9 mod output-signal-fomat selection input pin. high=open. when mod is open, the output signal is same format as utc rcr2c. when it is pulled low, there is the other format. 10 backward backward output pin 11 forward forward output pin 12 turbo turbo output pin 13 v dd positive power supply 14 v i1 inverter 1 input pin for power amplify 15 v o1 inverter 1 output pin for power amplify 16 v i2 inverter 2 input pin for power amplify
rcr2c cmos i c unisonic technologies co., ltd 3 of 8 www.unisonic.com.tw qw-r502-026.c ? block diagram
rcr2c cmos i c unisonic technologies co., ltd 4 of 8 www.unisonic.com.tw qw-r502-026.c ? absolute maximum rating parameter symbol ratings unit dc supply voltage v dd -0.3 ~ 6.0 v input/output voltage gnd -0.2 ~ v dd +0.2 v junction temperature t j 125 c operating temperature t opr -20 ~ +85 c storage temperature t stg -40 ~ +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. ? electrical characteristics (v dd = 4.5v, f osc = 116 ~ 140khz, t a =25c, no dc-dc converter, unless otherwise noted.) parameter symbol test conditions min typ max unit supply voltage v dd 1.8 4.5 5.0 v operating current i dd unload 1.0 ma output driving current i driving load=0.7v 4.5 ma oscillator frequency tolerance f tolerance utc rct2e f osc =128khz -20 20 % ? output tables function key (utc rct2e) decode result (mod = 1) decode result (mod = 0) end code end code forwardb (l) forwa rd (h) forward (z) forwardb (l) & turbob (l) forward (h) forward (h) & turbo (h) turbob (l) turbo (h) forward (h) & turbo (h) turbob (l)& forwardb (l) & leftb (l) forw ard (h) & left (h) forward (z) & left (h) turbob (l) & forwardb (l) & rightb (l) forw ard (h) & right (h) forward (z) & right (h) backwardb (l) backward (h) backward (z) backwardb (l) & rightb (l) backward (h ) & right (h) backward (z) & right (h) backwardb (l) & leftb (l) backward (h) & left (h) backward (z) & left (h) leftb (l) left (h) left (h) rightb (l) righ t (h) right (h) note: l=low, h=high, z= 60hz 50% duty pulse.
rcr2c cmos i c unisonic technologies co., ltd 5 of 8 www.unisonic.com.tw qw-r502-026.c ? typical application circuit receiver (f osc = 128khz) antenna 9v v dd v i1 v o2 v i2 1 2 3 4 5 6 7 u1 gnd si osci right lx back forw turbo v o1 9 10 11 12 13 14 utc rcr2c 8 osco 15 16 left mod r17 300k r16 3k c16 200 4.7m r14 30p c14 r13 3k 104 c9 r5 c15 500p 3k r4 c10 560 r3 c8 472 l1 3.3 h 3.3 f r6 5.6k 27p c2 q1 c1815 c1 68p 12p c3 r1 1.5k l2 r7 3.3k 103 c11 c12 104 9013 q3 r8 690 r10 150 q4 9013 q6 9013 690 r9 q5 8550 q7 8550 c13 q9 104 q8 9013 9013 690 r12 switch 150 r11 q2 9013 104 1n4148 c6 c7 12v 100 f d2 r2 270 d1 3.8v c5 c4 104 220 f 4.7m r19 690 q10 9013 9013 q11 104 c17 q12 8550 8550 q14 q13 9013 r15 150 q15 9013 690 r21 r20 150 notes : 1. mod=1(mod pin opens). 2. no using dc-dc converter because of higher supply voltage. 3. two grade shift gears are realized.
rcr2c cmos i c unisonic technologies co., ltd 6 of 8 www.unisonic.com.tw qw-r502-026.c ? typical application circuit receiver (f osc =116~140 khz) antenna v dd v i1 v o2 v i2 1 2 3 4 5 6 7 u1 gnd si osci right lx back forw turbo v o1 9 10 11 12 13 14 utc rcr2c 8 osco 15 16 left mod r17 300k r15 3k c13 202 4.7m r12 30p c10 r11 3k 104 c6 r5 c11 500p 3k r4 c7 560 r3 c5 472 l1 3.3 h 3.3 f r6 5.6k 27p c2 q1 c1815 c1 68p 12p c3 l2 r7 3.3k 103 c8 c9 104 4.7m right left r8 1.5k np n 100 h 100 f c12 d1 forward backward diode schottky 100 f c14 c15 0.01 f 5 1.5v righ t l5 forward q2 8550 backward r1 270 r2 270 8550 q3 c4 104 q5 9013 r10 1k q4 9013 r9 1k q6 9013 9013 q7 l4 l3 electromagnetic power r13 690 r14 690 left notes : 1. mod=0(pulled low) 2. using dc-dc converter because of lower supply voltage 3. two grade shift gears are realized
rcr2c cmos i c unisonic technologies co., ltd 7 of 8 www.unisonic.com.tw qw-r502-026.c ? infrared application circuit receiver (f osc = 114khz) + 100 f 1 23 4 5 67 8 9 10 11 12 13 14 15 16 v dd v i1 v o2 v i2 gnd si osci right lx backward forward turbo v o1 osco left mod uct rcr2c f = 114khz dc:5v gnd v dd 1815 100k out 57khz ir receiver ? testing circuit the oscillator frequency is 116 ~140khz turbob sc forwardb + 100 f utc rct2e osco osci rightb leftb 1 23 4 567 nc gnd backwareb so v dd pc nc 9 10 11 12 13 14 8 1 23 4 5 6 7 8 9 10 11 12 13 14 15 16 v dd v i1 v o2 v i2 gnd si osci right lx backward forward turbo v o1 osco left mod utc rcr2c 300k 200k
rcr2c cmos i c unisonic technologies co., ltd 8 of 8 www.unisonic.com.tw qw-r502-026.c 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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