||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| heating controller 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 1 p t8a32 4 0/1/2/3/4/5/6/7 features ? dual voltage (120v/24 0v) operations ? auto temperature control with ntc ? ntc open protection ? multi mode led indicator ? direct drive scr ? auto heating off after heating timer timeout ? low cost 8 - pin d ip and soic package applications ? hair curler de scription the pt8a32 4 0/1/2/3/ 14/5/6/7 is a mixed signal cmos lsi chip designed for the automatic controller of heat with external ntc (negative temperature component). ntc open protection is implemented for device safety. when ntc is open, it will cut off gate output to disable heating, and the led1 will flash at 1/8 clk. t he device can be used in both 120v and 24 0v power line supplier, automatically adjusting the heating power according to the power line voltage to avoid heating appliance damage. pin configuration pin description no. pin name i/o description pt8a32 4 0/1/2/3 pt8a32 4 4/5/6/7 pt8a32 4 0/1/2/3 pt8a32 4 4/5/6/7 1 ntc1 ntc1 i i ntc voltage i nput, ntc open detection input. 2 ntc2 ntc2 o o output signal for ntc open detection. 3 clk clk i i clock input from power line. 4 gnd gnd gnd gnd ground. 5 on on/off i/o i/o heating - on button input for pt8a32 4 0/1/2/3 or heating - on/off input for pt8a3 2 4 4/5/6/7 and led driving output. 6 gate gate o o scr trigger output, active high. 7 off led i/o o heating - off button input and led2 driving output for pt8a32 4 0/1/2/3 or only led 2 driving output for pt8a32 4 4/5/6/7 . 8 vdd vdd power power power. pt8a32 44/5/6/7 pt8a32 40 / 1 / 2 / 3 n tc1 n tc2 c lk g nd on g ate o ff v dd 1 2 3 4 5 6 7 8 ic01-p10/1/2/3 n tc1 n tc2 c lk g nd o n/o ff g ate led v dd 1 2 3 4 5 6 7 8 ic01-14/5/6/7
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 2 p t8a32 4 0/1/2/3/4/5/6/7 heating controller part n o o ption part no. led @ heating on timer of auto power off (1h@60hz) control keys pt8a32 4 0 flash y two keys pt8a32 4 1 constant y two keys pt8a32 4 2 flash n two keys pt8a32 4 3 constant n two keys pt8a32 4 4 flash y single key pt8a32 4 5 constant y single ke y pt8a32 4 6 flash n single key pt8a32 4 7 constant n single key block diagram 2bit adc controller ntc2 ntc1 clk gate off (led) on (on/off)
|||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 3 p t8a32 4 0/1/2/3/4/5/6/7 heating controller function description state description reset: the device will be at reset state after power - on. heating - on: the device will be at heating - on state after heating - on butto n is pressed. heating - off: this dev ice enter s heating - off state after its power - on reset or heating timer timeout or hea ting - off button pressed . timer once the device enter s heating - on state, internal timer start counting. it reaches timeout state and e xit heating - on state after 216000 clock period, that is, the heating time is about 1 hour for 60hz clk signal, and 1.2 hour for 50hz. control signal output when working in heating - on state, gate/led output will be related to ntc input and clk input amp litude. effect of ntc and clk input voltage on gate and led indication working state power line voltage ntc (ntc open detection ) ntc ( normal temp detection ) gate trigger of scr led pin 5 pt8a324 0/2/4/6 pt8a324 1/3/5/7 v ntc up v ntc down on 220v ntc<10m(o hm) 0 ~ v ntc0 25% flash1* flash1 on v ntc0 ~ v ntc1 12.5% flash1 flash1 on v ntc 1 ~ v ntc 2 on v ntc2 ~ v dd 0 on on on 110v 0 ~ v ntc0 100% flash1 flash1 on v ntc0 ~ v ntc1 50% flash1 flash1 on v ntc1 ~ v ntc2 on v ntc2 ~ v dd 0 on on on off x * x 0 off off off x x ntc>2 0m(o hm) x 0 flash2* off off * note 1 x means any input. 2 flash1 frequency if 1/32 clk . 3 flash2 frequency is 1/8 clk . 4 led2( pin 7) is always in reverse with led1 .
|||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 4 p t8a32 4 0/1/2/3/4/5/6/7 heating controller maximum ratings storage temperature .. - 6 5 o c to + 150 o c ambient t emperature with power applied - 2 0 o c to + 85 o c supply voltage to ground potential ( inputs & v cc only ) . - 0. 5 to +6.0 v supply voltage to ground potential (outputs & d/o only) - 0. 5 to + 6.0 v dc input voltage - 0. 5 v to v cc + 0 .5 v d c output current 20ma power dissipatio n 500 mw recommended operation conditions sym pin description min typ max unit v cc vdd supply voltage. 3.5 5.0 5.5 v f clk clk input clock frequency - 50 /60 - hz t a - opera tion temperat ure - 2 0 - 85 ? c dc electrical characteristics ( unless otherwise noted , v cc = 3 .5 ~ 5v, t a = - 2 0 ~ 85 oc) sym description test conditions min typ max unit i ih input high current pin: ntc1, clk v in = v cc - - 5 ? in = v cc outpu t high impedance - - 5 ? ? il input low current pin: ntc1, clk v in = gnd - - - 5 ? in = 0 output high impedance - - - 5 ? oh output high current pin: gate v cc = 5 .0v vout = 4 .5v - 1. 5 - - ma i ol output low current pin: ntc2 v cc = 5 .0v vou t =0.5v 2.0 - - ma pin: gate 2.5 - - ma v ntc 0 input voltage 0 pin: ntc 1 0. 37 v cc 0. 385 v cc 0. 40 v cc v v ntc1 input voltage 1 pin: ntc 1 0. 37 v cc 0. 385 v cc 0. 40 v cc v ntc 2 input voltage 2 pin: ntc1 0. 39 v cc 0. 40 v cc 0. 41 v cc i cc current consumption ntc1 , clk tied to gnd, v cc = 5 .0v - - 2 5 0 ? ac electrical characteristics ( unless otherwise noted , v cc = 3 .5 ~ 5v, t a = - 2 0 ~ 85 oc) sym description test conditions min typ max unit f clk clk frequency - - 50 /60 - hz timer power off timer f clk = 50hz 1.15 1.2 1. 25 hour note: stresses greater than those listed under m aximum 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 extended periods may affect reliability.
|||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 5 p t8a32 4 0/1/2/3/4/5/6/7 heating controller typical application circuit pt8a 32 4 0 / 1 / 2 / 3 application circuit pt8a32 4 4/5/6/7 application circuit
|||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 6 p t8a32 4 0/1/2/3/4/5/6/7 heating controller mechanical information pe ( dip - 8 ) min max a 3.710 4.310 a1 0.510 a2 3.200 3.600 b 0.380 0.570 b1 c 0.204 0.360 d 9.000 9.400 e 6.200 6.600 e1 7.320 7.920 e l 3.000 3.600 e2 8.400 9.000 symbol 1.524 bsc 2.540 bsc dimensions in millimeters note: 1 ) controlling dimensions in millimeters. 2 ) ref : jedec ms - 001 d/ba
|||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 12 - 07 - 0006 pt0 21 7 - 5 0 7 / 0 6 /12 7 p t8a32 4 0/1/2/3/4/5/6/7 heating controller we (soic - 8) ordering information part no. package code package pt8a32 4 xpe p lead free dip - 8 pt8a32 4 xwe w lead free and green soic - 8 note: ? x=0/1/2/3/4/5/6/7 show different part no with different function, details see below table . ? e = pb - free or pb - free & green ? adding x suffix = tape /r eel pericom semiconductor corporation ? 1 - 800 - 435 - 2336 ? www.pericom.com pericom 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 does not assume any responsibility for use of any circuitry described other than the circuitry embodied in pericom product. the company makes no representations that circuitry described herein is free from patent infringement or other rights, of pericom . min max a 1.350 1.750 a1 0.100 0.250 a2 1.350 1.550 b 0.330 0.510 c 0.170 0.250 d 4.700 5.100 e 3.800 4.000 e1 5.800 6.200 e l 0.400 1.270 0 8 symbol dimensions in millimeters 1.27 bsc note: 1) controlling dimensions in millimeters. 2) ref : jedec ms - 012e/aa
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