PT8A2611/2621 PIR Sensor Light Switch Controller Features General Description Function Comparison Override CDS feedback Output PT8A2611 PT8A2621

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1 Feature 2-tage operatioal amplifier a filter Built-i oie rejectio circuit O-chip regulator Override fuctio (PT8A2621 oly) Sychroou with AC 220V/50Hz ad 110V/60Hz Pule output (PT8A2611) for TRIAC drive or level output (PT8A2621) for relay drive to eable/diable output Adjutable output o time duratio ON/AUTO/OFF electable by MOE pi Auto-reet if the ZC igal diappear over 3 ecod 40 ecod warm-up Quick check mode for iitial itallatio Operatig voltage: 5V Stad-by curret: 80µA Package:16-pi IP ad 16-pi SOP Applicatio Eergy avig auto-witch i Garde, kitche, bathroom, corridor, torage or yard Auto light i meetig room Block iagram Geeral ecriptio The PT8A2611 ad PT8A2621 are low power mixed igal CMOS LSI deiged for the automatic lamp cotrol uig PIR eor a motio detector. With o chip oie filter ad voltage regulator, the IC provide table operatio throughout temperature rage. iput to diable day time operatio i deired. Fuctio Compario Override feedback Output PT8A2611 No fuctio Iteral TRIAC PT8A2621 Twice With exteral RELAY compoet (ee Fig. 10, 9 ad R15) Orderig Iformatio P art Number PT8A2611P / PT8A2621P PT8A2611W / PT8A2621W PT8A2611E / PT8A2621E Note: Addig E= Pb-free or Pb-free ad Gree Addig X uffix=tape/reel Packag e Lead free 16 - Pi IP Lead free ad Gree 16 - Pi SOIC ie Form OP2O OP2N OP2P OP1O OP1P OP1N _ + + _ Comparator Voltage divider Regulator latch circuit Cotrol circuit (Iteral feedback, for 2611 oly) Mode ad cotrol circuit Output circuit MOE RELAY (for 2621 oly) TRIAC (for 2611 oly) V EE OSC delay ocillator elay circuit OSCS Sytem ocillator Couter circuit Zero cro debouce ZC 1

2 Pad Locatio Pad Locatio of PT8A2611E 1470um ie No. ZC OSCS OSC MOE TRIAC GN OP2O 1710um NC OP2N OP2P VEE OPIP OPIN OPIO Pad Coordiate Pad Name X Coordiate Y Coordiate Pad Name X Coordiate Y Coordiate GN NC TRIAC V EE OSC OSCS OP1P ZC OP1N OP1O MOE OP2P OP2N OP2O Note: Subtrate i coected to GN 2

3 Pad Locatio of PT8A2621E 1470um ie No. ZC OSCS OSC MOE RELAY GN OP2O 1710um NC OP2N OP2P V EE OPIP OPIN OPIO Pad Coordiate Pad Name X Coordiate Y Coordiate Pad Name X Coordiate Y Coordiate GN NC RELAY V EE OSC OSCS OP1P ZC OP1N OP1O MOE OP2P OP2N OP2O Note: Subtrate i coected to GN 3

4 Pi Aigmet PT8A2611P/PT8A2611W PT8A2621P/PT8A2621W GN TRIAC OSC OSCS ZC MOE OP2O OP2N OP2P OP1O OP1N OP1P V EE GN RELAY OSC OSCS ZC MOE OP2O OP2N OP2P OP1O OP1N OP1P V EE Top view Top view Pi ecriptio P Pi i i N ame T yp e ecriptio 1 1 GN Groud Groud 2 RELAY O RELAY drive output through a exteral NPN traitor, active high 2 TRIAC O TRIAC drive two-pule output, active egative pule. 3 3 OSC I / O Output timig ocillator I/O, coected to a exteral RC to adjut output duratio. 4 4 OSCS I/ O Sytem ocillator I/O, coected to a exteral RC to et the ytem frequecy. The ytem frequecy = 16kHz for ormal applicatio. 5 5 ZC I Schmitt iput for AC zero croig detectio MOE V EE I I Power O Coected to a voltage divider for daytime/ight auto-detectio. Low iput to thi pi ca diable PIR iput. i a chmitt trigger iput with 5-ecod iput debouce time. Mode elect, coectig to V ope - auto detectio Power upply - output alway o, coectio GN - output alway off, C C Iteral voltage regulator output, 3.6V with repect to groud. Coected to the drai of PIR eor I Chip reet iput, active low, kept floatig or coected a RC etwork OP1P I No-iverted iput of firt operatioal amplifier, coected directly to ource of PIR eor OP1N I Iverted iput of firt operatioal amplifier OP1O O Output of firt operatioal amplifier OP2P I No-iverted iput of ecod operatioal amplifier OP2N I Iverted iput of ecod operatioal amplifier OP2O O Output of ecod operatioal amplifier 4

5 Fuctioal ecriptio The PT8A2611 ad PT8A2621 are CMOS LSI chip deiged for automatic PIR lamp cotrol. They ca operate i 2-wire cofiguratio for triac applicatio or i 3-wire cofiguratio for relay applicatio. The PIR eor detect ifrared power variatio caued by motio of a huma body ad trafer to a voltage variatio. If the PIR output voltage variatio coform to criteria, the lamp i tured o for a adjutable duratio. The PT8A2611 (or 2621) offer three operatig mode (ON, AUTO, OFF) which ca be et through a MOE pi. Whe the device i workig i AUTO mode, the uer ca override the mode to witch it to TEST mode or maual ON mode, or retur to the AUTO mode by witchig power witch. Figure 1. Sytem Ocillator OSCS ad OSC Pi OSCS i a ytem ocillator I/O pi coected to a exteral RC to geerate ytem frequecy of 16kHz. OSC i a output timig ocillator I/O pi. It coected to a exteral RC to obtai the deired tur-o duratio by electig variou value of RC or uig a variable reitor.f OSC i the frequecy of OSC pi, output timig ca be caculated a the formula: T = 21504/FOSC Iput Circuit i a CMOS chmitt trigger iput pi. It i ued to ditiguih betwee day time ad ight time. Whe the iput voltage of i high the PIR iput i eabled, whe low the PIR iput diabled. The iput diable-to-eable debouce time i 5 ecod. Coect thi pi to whe ot uig it. The iput i igored by PT8A2611whe the TRIAC output i active, however, PT8A2621 ca ot be igored aytime. Figure 2. Output Timig Ocillator T = / F OSC RS 560K OSCS PT8A2611 /2621 R OSC PT8A2611 /2621 CS 200P C Figure 3. Iput Circuit Figure 4. Eable ebouce Rp Schmitt river Cotrol Circuit PT8A2611/2621 PIREable iable < 5 > 5 Eable Table 1. Pi Fuctio C S L OW H IGH S tatu ay Time Night PR PI I iabled Eabled 5

6 MOE MOE i a tri-tate iput pi for operatio mode electio. See the followig table 2. Override Cotrol (for PT8A2621 oly): The term override refer to the chage of operatig mode by witchig the power witch twice withi 3 ecod. Whe the chip i workig i the AUTO mode (MOE pi opeed), the output i activated by a valid PIR trigger igal ad the output active duratio i cotrolled by the OSC ocillatio period. The lamp ca be witched to ON from the AUTO mode by either witchig the MOE pi to or witchig the power witch twice withi 3 ecod. Table 2. Operatio Mode by MOE Pi The device ca be toggled from ON to AUTO by witchig the power witch twice withi 3 ecod agai (override operatio). If the chip i overridde to ON ad there i o further override operatio, it will retur to AUTO automatically after a iteral preet ON time duratio (8 hour). Note:Flah i oly for the TRIAC Rev. Pi i ued to reet the device. It i iteral pull-high ad active low. The ue of C ca exted the power-o iitial time. If the pi i opeed (without C), the iitial time i 40 ecod. See Figure 6. MO OE Statu GN Ope Operatio peratio Mode ON OFF AUTO ecriptio ecriptio Output i alway ON: RELAY pi ed high level for relay drivig; TRIAC pule trai output i ychroized by ZC for triac drivig. Output i alway OFF: RELAY pi ed low level for relay drivig; TRIAC pi ed high level for triac drivig. Output remai i the OFF tate util activated by a valid PIR trigger iput igal. Whe workig i the AUTO mode, the device allow override cotrol by witchig the ZC igal. Figure 5. Override Timig (for PT8A2621) Operatig Mode AUTO ON AUTO ON AUTO 8 hour ZC Figure 6. Applicatio Example REST C GN 6

7 Power O Iitial The PIR igal amplifier require a warm up period after powero. The iput hould be diabled durig thi period. I the AUTO mode withi the firt 40 ecod of the iitial time the chip allow override cotrol to eter the quickly itall mode, After 40 of the iitial time the chip allow override cotrol betwee ON ad AUTO. It will remai i the warm up period if the total iitial time ha ot elaped after returig to AUTO. Figure 7. Trigger Timig I cae that the ZC igal diappear more tha 3 ecod, the chip will retart the iitializatio operatio. However, the retart iitial time i alway 40 ecod ad caot be exteded by addig C to the pi a how i Figure 4. Trigger The trigger timig i how i Figure 7. Retrigger -- If aother igal i attaied i trigger hold time, the circuit will be retriggered, ad the trigger hold time will be tarted from thi time. 5 Output Eable Comparator Iput +trigger level -trigger level Comparator Output >24m <24m (Note1) etect Eable Tet Eable power o delay time tet eable RELAY ON TRIAC ON pule out (Note2) Note: 1. The output i activated if the trigger igal coform to the followig criteria: - More tha 3 trigger withi 2 ecod, - A trigger igal utai duratio > 0.34 ecod, ad - 2 trigger withi 2 ecod with pule duratio of oe > 0.16 ecod. -The effective comparator output width i 24m.(Foc=16KHz) 2. The output duratio i et by a exteral RC coected to the OSC pi. 7

8 Maximum Ratig (Above which the ueful life may be impaired. For uer guidelie, ot teted) Storage Temperature o C to +125 o C Supply Voltage to Groud Potetial (Iput & Oly) to +6.0V Supply Voltage to Groud Potetial (Output & /O Oly) -0.3 to +6.0V C Iput Voltage to +6.0V C Output Curret... 20mA Power iipatio mW PT8A2611/2621 Note: Stree greater tha thoe lited uder MAXIMUM RATINGS may caue permaet damage to the device. Thi i a tre ratig oly ad fuctioal operatio of the device at thee or ay other coditio above thoe idicated i the operatioal ectio of thi pecificatio i ot implied. Expoure to abolute maximum ratig coditio for exteded period may affect reliability. Recommeded Operatio Coditio Sm ym ecriptio M i Tp y M a x Uit Supply Voltag e V V I H Iput HIGH Voltage(MOE, ) V I L put LOW Voltage(MOE, ) f SYS ytem Ocillator Frequec y f OSC T A 0.8V - - V CC I - -.2V 0 CC S khz elay Ocillator Frequec y khz Operatio Temperatur e O C V C Electrical Characteritic Sm ym ecriptio T et Coditio M i Tp y Mx a Uit I I H Iput high level leakage curret(zc, ) V IH = 4.5V µ Α I I L Iput low level leakage currett(zc, ) I O H Output Source Curret (RELAY, TRIAC) I O L Output Sik Curret (RELAY, TRIAC) V TH1 S Trafer High Voltag e V TL1 S Trafer Low Voltag e V TH2 C Trafer High Voltag e V TL2 C Trafer Low Voltag e V TH3 SCS Trafer High Voltag e V TL3 SCS Trafer Low Voltag e V TH4 SC Trafer High Voltag e V TL4 SC Trafer Low Voltag e V IL V OH V OL = 0.5V µ Α = 4.5V ma = 0.5V ma C V C V Z V Z V O V O V O V O (ZC,) V Note: Thee pecificatio apply for = 5.0V ad -25 O C T A 70 O C, ule otherwie pecified. 8

9 AC Electrical Characteritic Voltage Regulator Sm ym ecriptio T et Coditio M i Tp y Mx a Uit V EE Output Voltag e No load V V OP2P Noivertig iput of OP2 No load V V Ο V LR I L Lie Regulatio Load Regulatio Regulator Output Curret 4.5V 5.5V, I = 1mA mv L = 5V, 0.5mA I L 2mA mv = 5V ma Operatioal Amplifier ad Widow Comparator Sm ym ecriptio T et Coditio M i Tp y Mx a Uit BW 3dB Badwidth khz V TH V TL Widow Comparator Threhold = 5V V = 5V V 9

10 Ocillator ad ZC Iput Pule ad Trigger Output Pule PT8A2611/2621 Sm ym ecriptio T et Coditio M i Tp y Mx a Uit fo SC Ocillator Frequecy khz t ZR t ZF t ZP t ZW t OR t OF t OP t OW ZC Pule Rie Time ZC Pule Fall Time ZC Pule Period m ZC Pule Width = 5V, R = 560Ω, S C S = 200pF, ee above fig m TRIAC Pule Rie Time TRIAC Pule Fall Time TRIAC Pule Period m TRIAC Pule Width µ Figure 8. Timig iagram t ZR t ZF ZC t ZW t ZP t OF t OR TRIAC t OW top Power iipatio Sm ym ecriptio T et Coditio M i Tp y Mx a Uit I CC Power Supply Curret = 5V, R = 560kΩ, C =200P, S S R = 560kΩ, C = 200P, other iput pi = GN, all output float. ee fig1, µa IC CQ Quiecet Power Supply Curret V C C = 5V, All Iput Pi = GN, all output float µa 10

11 Typical Applicatio Circuit Figure 9. Two-Wire Applicatio Circuit of PT8A2611 SW1 ON/OFF Tet mode 20~100W LAMP 2 Q1 AC 110V~230V TRIAC 1 C8 104 R14 68/2W 3 R1 20K 1N R9 200K C U/350V 2 1N4007 R9 1M 5 1N4007 C11 470UF/16V R2 2.4M 4 1N R V 3900P C7 PT8A2611 R6 C3 1M C6 201 GN OP2O 16 C5 2 22UF/16V TRIAC OP2N 15 R5 R7 1M 3 C9 OSC OP2P 14 22K 4 10UF/16V OSCS OP1O 13 R8 560K ZC OP1N 12 R4 C2 6 1M OP1P 11 OFF MOE AUT O O N 7 MOE 10 R12 SW2 CC E E 8 V V 9 R3 22K C4 56K 100UF/16V C13 C12 R13 SG UF/ C1 16V S UF/16V 11

12 Figure 10. Three-Wire Applicatio Circuit of PT8A2621 C U/350V R8 1M 3900P R14 4.7K R11 1M 9 C3 C6 1 GN OP2O 16 1N C8 203 RELAY OP2N 15 R15 R10 1M 3 C10 OSC OP2P 14 R9 560K 4 10UF/16V OSCS OP1O 13 5 ZC OP1N 12 6 OP1P 11 7 MOE 10 MOE 8 9 V SW2 CC V EE 100UF/16V R7 PT8A2621 C4 R12 3.3K 2.4M R6 68/2W 5 1N N N4007 C5 100UF/35V 22UF/16V C9 470UF/16V C7 203 C2 R2 56K 203 C12 R5 22K R4 1M R3 22K C1 22UF/16V S G U1 S V R13 R1 ON AUTO OFF ON/OFF OVERRIE AC 110V~230V SW1 20~100W LAMP K1 C13 3.3f/63V 24V 2 24V 3 IN Q1 12

13 Mechaical Iformatio 16-pi SOIC PT8A2611/

14 16-pi IP Pericom Semicoductor Corparatio Pericom Techology Icorporatio reerve the right to make chage to it product or pecificatio at ay time, without otice, i order to improve deig or performace ad to upply the bet poible product. Pericom Techology doe ot aume ay repoibility for ue of ay circuitry decribed other tha the circuitry embodied i Pericom Techology product. The compay make o repreetatio that circuitry decribed herei i free from patet ifrigemet or other right, of Pericom. 14