View PERICOMSEMICONDUCTORCORP-PT8A2611DE_6662558.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 1 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| features ? 2-stage operational amplifier as filter ? built-in noise rejection circuit ? on-chip regulator ? override function (pt8a2621 only) ? synchronous with ac 220v/50hz and 110v/60hz ? pulse output (pt8a2611) for triac drive or level output (pt8a2621) for relay drive ? cds to enable/disable output ? adjustable output on time duration ? on/auto/off selectable by mode pin ? auto-reset if the zc signal disappears over 3 seconds ? 40 seconds warm-up ? quick check mode for initial installation ? operating voltage: 5v ? s t a n d - b y c u r r e n t : 8 0 a ? package:16-pin dip and 16-pin sop applications ? energy saving auto-switch in garden, kitchen, bathroom, corridor, storage or yard ? auto light in meeting room general description the pt8a2611 and pt8a2621 are low power mixed signal cmos lsi designed for the automatic lamp control using pir sensor as motion detector. with on chip noise filter and voltage regulator, the ic provides stable operations throughout temperature range. cds input to disable day time operation is desired. block diagram op2o op2n op2p op1o op1p op1n oscd oscs zc mode cds rst relay (for 2621 only) triac (for 2611 only) comparator latch circuit mode and cds control circuit control circuit voltage divider regulator delay oscillator system oscillator counter circuit delay circuit zero cross debounce output circuit _ + + _ v ee (internal cds feedback, for 2611 only) override cds feedback output pt8a2611 no function internal triac pt8a2621 twice with external relay components (see fig. 10, d9 and r15) part number package pt8a2611p / pt8a2621p 16 - pin pdip pt8a2611w / pt8a2621w 16 - pin sop pt8a2611de / pt8a2621de die form ordering information function comparison
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 2 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| pad location pad location of pt8a2611de cds zc oscs mode v cc vee rst v cc nc 1470um 1710um gnd triac oscd op2p op2n op2o opip opin opio die no. pad coordinate pad name x coordinate y coordinate pad name x coordinate y coordinate gnd 570 65.4 nc 570 -268.6 triac 570 -101.6 v ee -570 232.4 oscd 570 399.4 rst 303.9 -687.2 oscs 570 232.4 op1p -44.8 689.2 zc -378.8 689.2 op1n -211.8 689.2 cds -30.1 -687.2 op1o -570 -435.6 mode 570 -435.6 op2p -570 -268.6 v cc -197.1 -687.2 op2n -570 -101.6 v cc 136.9 -687.2 op2o -570 65.4 note: substrate is connected to gnd
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 3 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| pad location of pt8a2621de pad coordinate pad name x coordinate y coordinate pad name x coordinate y coordinate gnd 570 65.4 nc 570 -268.6 relay 570 -101.6 v ee -570 232.4 oscd 570 399.4 rst 303.9 -687.2 oscs 570 232.4 op1p -44.8 689.2 zc -378.8 689.2 op1n -211.8 689.2 cds -30.1 -687.2 op1o -570 -435.6 mode 570 -435.6 op2p -570 -268.6 v cc -197.1 -687.2 op2n -570 -101.6 v cc 136.9 -687.2 op2o -570 65.4 note: substrate is connected to gnd cds zc oscs mode v cc v ee rst v cc nc 1470um 1710um gnd relay oscd op2p op2n op2o opip opin opio die no.
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 4 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| pin assignment pin description pin name type description 2611 2621 1 1 gnd ground ground 2 relay o relay drive output through an external npn transistor, active high 2 triac o triac drive two-pulse output, active negative pulse. 3 3 oscd i/o output timing oscillator i/o, connected to an external rc to adjust output duration. 4 4 oscs i/o system oscillator i/o, connected to an external rc to set the system frequency. the system frequency = 16khz for normal application. 5 5 zc i schmitt input for ac zero crossing detection. 6 6 cds i connected to a cds voltage divider for daytime/night auto-detection. low input to this pin can disable pir input. cds is a schmitt trigger input with 5-second input debounce time. 7 7 mode i mode select, connecting to v cc - output always on, connection gnd - output always off, open - auto detection 8 8 v cc power power supply 9 9 v ee o internal voltage regulator output, 3.6v with respect to ground. connected to the drain of pir sensor 10 10 rst i chip reset input, active low, kept floating or connected an rc network 11 11 op1p i non-inverted input of first operational amplifier, connected directly to source of pir sensor 12 12 op1n i inverted input of first operational amplifier 13 13 op1o o output of first operational amplifier 14 14 op2p i non-inverted input of second operational amplifier. 15 15 op2n i inverted input of second operational amplifier 16 16 op2o o output of second operational amplifier pt8a2611p/pt8a2611w gnd triac 1 oscd oscs zc mode v cc op2o op2n op2p op1o op1n op1p rst v ee cds 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 top view pt8a2621p/pt8a2621w gnd relay 1 oscd oscs zc mode v cc op2o op2n op2p op1o op1n op1p rst v ee cds 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 top view
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 5 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| functional descriptions the pt8a2611 and pt8a2621 are cmos lsi chips designed for automatic pir lamp control. they can operate in 2-wire configuration for triac applications or in 3-wire configuration for relay applications. the pir sensor detects infrared power variations caused by motion of a human body and transfer to a voltage variation. if the pir output voltage variation conforms to criteria, the lamp is turned on for an adjustable duration. the pt8a2611 (or 2621) offers three operating modes (on, auto, off) which can be set through a mode pin. when the device is working in auto mode, the user can override the mode to switch it to test mode or manual on mode, or return to the auto mode by switching power switch. oscs and oscd pins oscs is a system oscillator i/o pin connected to an external rc to generate system frequency of 16khz. oscd is an output t i m i n g o s c i l l a t o r i / o p i n . i t c o n n e c t e d t o a n e x t e r n a l r c t o ?s obtain the desired turn-on duration by selecting various val- ues of rc or using a variable resistor.f oscd is the frequency of oscd pin, output timing can be caculated as the formula: t d = 21504/f oscd cds input circuit cds is a cmos schmitt trigger input pin. it is used to distin- guish between day time and night time. when the input volt- age of cds is high the pir input is enabled, when cds low the pir input disabled. the input disable-to-enable debounce time is 5 seconds. connect this pin to v cc when not using it. the cds input is ignored by pt8a2611when the triac out- p u t i s a c t i v e , h o w e v e r , p t 8 a 2 6 2 1 c d s c a n n o t b e i g n o r e d ?s anytime. figure 2. output timing oscillator figure 3. cds input circuit cds rp v cc cds schmitt driver pt8a2611/2621 control circuit cds figure 1. system oscillator oscd c d r d 560k 200p c s r s pt8a2611 /2621 oscs pt8a2611 /2621 t d = 21504 / f oscd cds pir disable enable < 5s > 5s enable figure 4. cds enable debounce table 1. cds pin function cds status pir low day time disabled high night enabled
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 6 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| mode mode is a tri-state input pin for operation mode selection. see the following table 2. override control (for pt8a2621 only) : the term override re- fers to the change of operating mode by switching the power switch twice within 3 seconds. when the chip is working in the auto mode (mode pin openned), the output is activated by a valid pir trigger signal and the output active duration is con- trolled by the oscd oscillation period. the lamp can be switched to on from the auto mode by either switching the mode pin to v cc or switching the power switch twice within 3 seconds. the device can be toggled from on to auto by switching the power switch twice within 3 seconds again (override opera- tion). if the chip is overridden to on and there is no further override operation, it will return to auto automatically after an inter- nal preset on time duration (8 hours). note:flash is only for the triac rev. rst pin rst is used to reset the device. it is internal pull-high and active low. the use of c rst can extend the power-on initial time. if the rst pin is openned (without crst), the initial time is 40 seconds. see figure 6. mode status operation mode description v cc on output is always on: relay pin sends high level for relay driving; triac pulse train output is synchronized by zc for triac driving. gnd off output is always off: relay pin sends low level for relay driving; triac pin sends high level for triac driving. open auto outputs remain in the off state until activated by a valid pir trigger input signal. when working in the auto mode, the device allows override control by switching the zc signal. table 2. operation modes by mode pin figure 5. override timing (for pt8a2621) zc operating mode auto auto auto on on 8 hours v cc gnd rest rst c rst figure 6. rst application example
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 7 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| power on initial the pir signal amplifier requires a warm up period after power- on. the input should be disabled during this period. in the auto mode within the first 40 seconds of the initial time the chip allows override control to enter the quickly in- stall mode, after 40s of the initial time the chip allows over- ride control between on and auto. it will remain in the warm up period if the total initial time has not elapsed after return- ing to auto. in case that the zc signal disappears more than 3 seconds, the chip will restart the initialization operation. however, the re- start initial time is always 40 seconds and cannot be extended by adding c rst to the rst pin as shown in figure 4. trigger the trigger timing is shown in figure 7. retrigger -- if another signal is attained in trigger hold time, the circuit will be retriggered, and the trigger hold time will be started from this time. figure 7. trigger timing comparator input +trigger level -trigger level cds output enable 5s relay triac test enable detect enable 10s test enable on on (note2) pulse out power on delay time 40s rst comparator output >24ms <24ms (note1) notes: 1. the output is activated if the trigger signal conforms to the following criteria: - more than 3 triggers within 2 seconds, - a trigger signal sustain duration > 0.34 seconds, and - 2 triggers within 2 seconds with pulse duration of one > 0.16 seconds. -the effective comparator output width is 24ms.(fosc=16khz) 2. the output duration is set by an external rc connected to the oscd pin.
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 8 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| maximum ratings (above which the useful life may be impaired. for user guidelines, not tested) storage temperature ............................................................ -40 o c to +125 o c supply voltage to ground potential (inputs & v cc only) .... -0.3 to +6.0v supply voltage to ground potential (outputs & d/o only) -0.3 to +6.0v dc input voltage ....................................................................... -0.3 to +6.0v dc output current ................................................................................. 20ma power dissipation .............................................................................. 500mw note: stresses greater than those listed under 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 condi- tions above those indicated in the operational sec- tions of this specification is not implied. exposure to absolute maximum rating conditions for ex- tended periods may affect reliability. sym description min typ max units v cc supply voltage 4.75 5.0 6.0 v v ih input high voltage(mode,rst) 0.8v cc - - v v il input low voltage(mode,rst) - - 0.2v cc v f sys system oscillator frequency 12.8 16 20.8 khz f dosc delay oscillator frequency 12.8 16 19.2 khz t a operation temperature -25 25 70 o c recommended operation conditions dc electrical characteristics sym description test conditions min typ max units i ih input high level leakage current(zc,cds) v ih = 4.5v -0.1 - 0.1 ma i il input low level leakage currentt(zc,cds) v il = 0.5v -0.1 - 0.1 ma i oh output source current (relay, triac) v oh = 4.5v -6 - - ma i ol output sink current (relay, triac) v ol = 0.5v 15 - - ma v th1 cds transfer high voltage 3.0 3.2 3.6 v v tl1 cds transfer low voltage 1.5 1.7 2.1 v v th2 zc transfer high voltage 2.6 2.9 3.2 v v tl2 zc transfer low voltage 1.0 1.4 1.6 v v th3 oscs transfer high voltage 2.2 2.4 2.8 v v tl3 oscs transfer low voltage 1.0 1.4 1.6 v v th4 oscd transfer high voltage 2.2 2.4 2.8 v v tl4 oscd transfer low voltage 0.4 0.6 0.8 (zc,)v note: these specifications apply for v cc = 5.0v and -25 o c t a 70 o c, unless otherwise specified.
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 9 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| sym description test conditions min typ max units v ee output voltage no load 3.2 3.6 4.0 v v op2p noninverting input of op2 no load 1.6 1.8 2.0 v d v o line regulation 4.5v v cc 5.5v, i l = 1ma - 30 50 mv d v ldr load regulation v cc = 5v, 0.5ma i l 2ma - 60 100 mv i l regulator output current v cc = 5v 4 - - ma ac electrical characteristics voltage regulator operational amplifier and window comparator sym description test conditions min typ max units bw 3db bandwidth - 10 - - khz v th windows comparator threshold v cc = 5v 1.9 2.05 2.2 v v tl v cc = 5v 1.4 1.55 1.7 v
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 10 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| oscillator and zc input pulse and trigger output pulse figure 8. timing diagram sym description test conditions min typ max units i cc power supply current v cc = 5v, r s = 560k w ,c s =200p, r d = 560k w , c d = 200p, other input pins = gnd, all outputs float. see fig1,2 - 80 100 m a i ccq quiescent power supply current v cc = 5v, all input pins = gnd, all outputs float. - 60 80 m a power dissipation zc t zr t z w t z p t zf triac t o f t o w t o p t o r sym description test conditions min typ max units f osc oscillator frequency v cc = 5v, r s = 560 w, c s = 200pf, see above fig1 12.8 16 19.2 khz t zr zc pulse rise time - 30 100 ns t zf zc pulse fall time - 30 100 ns t zp zc pulse period 15.1 20 22.2 ms t zw zc pulse width 0.8 1 - ms t or triac pulse rise time - 30 100 ns t of triac pulse fall time - 30 100 ns t op triac pulse period 6.6 10 11 ms t ow triac pulse width 52 62.5 76 m s 20.8 48
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 11 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| typical application circuits figure 9. two-wire application circuit of pt8a2611 c1 0 0.68u/35 0v r 1 20 k 1 2 3 q 1 triac r 6 1 m r1 2 22 k r 8 560 k r 4 1 m r 5 22 k r 9 1m r 3 56 k r1 4 68/2 w r 2 2.4 m 1n4148 1n40 07 1n40 07 c 3 201 c 5 20 3 c 2 20 3 3900p c 8 10 4 c 6 22uf/1 6v 22uf/ 16v c 1 100uf/1 6v c 4 100uf/1 6v c1 1 470uf/1 6v d 2 1n40 07 d s g sd62 22 d 1 6.2 v r 7 1m c 9 10uf/1 6v r 9 200k gnd triac oscd oscs zc cds mode v cc rst 10 v e e 9 op2 n 15 op1 p 11 op1 n 12 op1 o 13 op2 p 14 op2 o 16 pt8a2611 r10 r1 3 cd s off aut o sw 2 mode o n lam p 20~100 w sw 1 on/off test mode ac 110v~230v c12 c13 203 7 8 2 6 5 4 3 1 c7 d4 d5 d3
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 12 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| figure 10. three-wire application circuit of pt8a2621 100uf/35v c11 0.68u/350v r12 3.3k r11 1m r3 22k r9 560k r4 1m r5 22k r8 1m r2 56k r6 68/2w r7 2.4m d4 1n4148 d5 1n4007 c12 203 c3 201 c8 203 c2 203 c6 3900p c7 22uf/16v c1 22uf/16v c9 470uf/16v c4 100uf/16v c5 d6 1n4007 d s g u1 sd6222 d7 5.1v r10 1m c10 10uf/16v r14 4.7k r13 r1 cds off auto sw2 mode on lamp 20~100w sw1 on/off override ac 110v~230v d2 24v d3 24v q1 9014 k1 d1 in4148 gnd 1 relay 2 oscd 3 oscs 4 zc 5 cds 6 mode 7 v cc 8 rst 10 v ee 9 op2n 15 op1p 11 op1n 12 op1o 13 op2p 14 op2o 16 pt8a2621 d9 1n4148 r15 c13 3.3nf/63v
data sheet pt8a2611/2621 pir sensor light switch controller pt0091(11/03) ver:3 13 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| notes pericom technology inc. email: support@pti.com.cn web site: www.pti.com.cn, www.pti-ic.com china : no. 20 building, 3/f, 481 guiping road, shanghai, 200233, china tel: (86)-21-6485 0576 fax: (86)-21-6485 2181 asia pacific : unit 1517, 15/f, chevalier commercial centre, 8 wang hoi rd, kowloon bay, hongkong tel: (852)-2243 3660 fax: (852)- 2243 3667 u.s.a. : 2380 bering drive, san jose, california 95131, usa tel: (1)-408-435 0800 fax: (1)-408-435 1100 pericom technology incorporation reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best possible product. pericom technology does not assume any responsibility for use of any circuitry described other than the circuitry embodied in pericom technology product. the company makes no representations that circuitry described herein is free from patent infringement or other rights, of pericom technology incorporation.

▲Up To Search▲

Price & Availability of PERICOMSEMICONDUCTORCORP-PT8A2611DE

	To Download PERICOMSEMICONDUCTORCORP-PT8A2611DE Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .