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this is information on a product in full production. july 2013 docid024500 rev 1 1/12 12 acs302 3-line overvoltage prot ected ac switch array datasheet - production data features ? 3-line ac switch array ? overvoltage protection ? high static immunity and dynamic commutation ? v drm , v rrm = 600 v ? t j = 125 c max. ? i gt < 5 ma application drive of low power highly inductive or resistive loads like: ? relay, valve, solenoid ? dispenser, door lock ? pump, fan, micro-motor acs is a registered trademark of stmicroelectronics description acs302 offers 3 ac switches in one single package with 600 v blocking voltage, high commutation and noise immunity - all that is required for inductive load control. its high integration allows reduced space consumption of pcb. acs302 enables inductive application to be compliant with iec 61000-4-4 and iec 61000-4-5. figure 1. pinout figure 2. configuration table 1. device summary order code package v drm , v rrm i gt ACS302-6T3 so-20 600 v 5 ma so-20 ACS302-6T3 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 output 1 com output 3 output 2 gate 1 gate 2 gate 3 com pin 1 pin 11 pins 2, 3, 4, 6, 7, 8, 10, and 19, 17, 15, 14, 12 . are not connected out1 out2 out3 acs302 com g1 g2 g3 s1 s2 s3 www.st.com
characteristics acs302 2/12 docid024500 rev 1 1 characteristics table 2. absolute maximum ratings ? for one switch and t j = 25 c, unless otherwise specified symbol parameter value unit i t(rms) on-state rms current (180 conduction angle, full sine wave) 1 switch on t a = 110 c 0.2 a 2 or 3 switches on t a = 90 c 0.4 a i tsm non repetitive surge peak on-state current (t j initial = 25 c) t p =16.7ms 7.6 a t p = 20 ms 7.3 i 2 ti 2 t value for fusing t p = 10ms 0.38 a 2 s di/dt critical rate of rise of on-state current i g = 2 x i gt , t r 100 ns f = 120 hz 50 a/s v drm , v rrm repetitive peak off-state voltage t j = 125 c 600 v v pp (1) non-repetitive line peak pulse voltage 2 kv i gm peak gate current t j = 125 c t p = 20 s 1 a p gm peak gate power t j = 125 c t p = 20 s 10 w p g(av) average gate power dissipation 0.1 w t stg storage junction temperature range -40 to +150 c t j operating junction temperature range -40 to +125 c t l maximum lead temperature for soldering during 10 s. 260 c 1. according to test described by iec 61000-4-5 standard and figure 3 table 3. electrical characteristics (for one switch and t j = 25c, unless otherwise specified) symbol test conditions quadrants value unit i gt v out = 12 v, r l = 33 ? ii - iii min 0.25 ma max 5 v gt v out = 12 v, r l = 33 ? max 0.9 v v gd v out = v drm , r l = 3.3 k ? , t j = 125 c ii - iii min 0.15 v i h i t = 100 ma, gate open max 20 ma i l i g = 1.2 i gt ii - iii max 25 ma dv/dt v out = 400 v, gate open t j = 125 c min 300 v/s (di/dt)c (dv/dt)c = 15 v/s, turn-off time 20 ms t j = 125 c min 0.15 a/ms t gt i tm = 1 a, v d = 400 v, i g = 100 ma, di g /dt = 100 ma/s, r l = 400 ? typ 2 s v cl i cl = 0.1 ma, t p = 1 ms min 650 v
docid024500 rev 1 3/12 acs302 characteristics table 4. static electrical characteristics (for one switch) symbol test conditions value unit v tm i tm = 0.3 a, t p = 380 s t j = 25c max 1.2 v v to threshold voltage t j = 125c 0.8 v r d dynamic resistance t j = 125c 500 m ? i drm , i rrm v out = 600 v t j = 25c 2 a t j = 125c 200 a table 5. thermal resistance symbol parameter value unit r th(j-a) junction to ambient (ac) 80 c/w figure 3. maximum power dissipation versus rms on-state current (per switch). figure 4. on-state rms current versus ambient temperature (free air convection) 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 p(w ) =180 180 i t(rms) (a) 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0 25 50 75 100 125 i t(rms) (a) = 180 printed circuit board fr4 natural convection t a (c) figure 5. relative variation of thermal impedance junction to ambient versus pulse duration figure 6. relative variat ion of gate triggering current and voltage (i gt , v gt ) versus junction temperature (typical values) 1.e-02 1.e-01 1.e+00 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 k=[z th( j-a) /r th(j-a) ] t p (s) 0.0 0.5 1.0 1.5 2.0 2.5 -50 -25 0 25 50 75 100 125 i gt, v gt [t j ]/i gt, v gt [t j =25 c] i gt v gt t j (c)
characteristics acs302 4/12 docid024500 rev 1 figure 7. relative variation of holding current and latching current (i h , i l ) versus junction temperature (typical values) figure 8. surge peak on-state current versus number of cycles 0.0 0.5 1.0 1.5 2.0 -50 -25 0 25 50 75 100 125 i h ,i l [t j ]/i h ,i l [t j =25 c] i l, i h t j (c) 0 1 2 3 4 5 6 7 8 1 10 100 1000 i tsm non repetitive t j initial=25 c i trm repetitive t amb =110c i tsm , i trm (a) number of cycles one cycle t=20ms figure 9. non-repetitive surge peak on-state current for a sinusoidal pulse with width t p < 10ms, and corresponding value of i 2 t figure 10. on-state characteristics (maximum values) 0 1 10 100 1000 0.01 0.10 1.00 10.00 i tsm (a), i2t (a2s) tj initial=25 c i tsm i2t di/dt limitation: 50 a/s t p (ms) 0.01 0.10 1.00 10.00 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 i tm (a) t j max : v to = 0.8 v r d = 500 m tj=25 c tj=125 c v tm (v) figure 11. relative variation of critical rate of decrease of current (di/dt)c versus junction temperature (typical values) figure 12. relative variation of critical rate of decrease of current (di/dt)c versus dv/dt (typical values) 0 1 2 3 4 5 6 7 8 9 10 11 12 0 10 20 30 40 50 60 70 80 90 100 110 120 130 (di/dt) c [t j ] / (di/dt) c [t j =125c] t j (c) 0.1 1.0 10.0 0.1 1.0 10.0 100.0 (di/dt) c [(dv/dt) c ] / specified (di/dt) c (dv/dt) c (v/s)
docid024500 rev 1 5/12 acs302 characteristics figure 15. relative variation of clamping voltage (v cl ) versus junction temperature (minimum values) figure 13. relative variation of dv/dt immunity versus junction temperature (typical values) figure 14. relative variation of leakage current versus junction temperature (typical values) 0 1 2 3 4 5 6 7 8 25 50 75 100 125 dv/dt [t j ]/dv/dt[t j =125 c] v out =400 v t j (c) 1.0e-03 1.0e-02 1.0e-01 1.0e+00 25 50 75 100 125 i drm /i rrm [tj;v drm/ v rrm ]/i drm /i rrm v drm =v rrm =600 v t j (c) [tj=125c; 600 v] 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 -40 -20 0 20 40 60 80 100 125 v cl [t j ]/v cl [t j =-30 c] t j (c)
ac line switch basic application acs302 6/12 docid024500 rev 1 2 ac line switch basic application the acs302 device is well adapted to wash ing machines, dishwash ers, tumble driers, refrigerators, water heaters, and cooking produc ts. it has been designed especially to switch on and off low power loads such as solenoids, valves, relays , micro-motors, pumps, fans, door locks and low power lamps. ? pin com: common drive reference, to connect to the power line neutral ? pin g: switch gate input to connect to the digital controller through a resistor ? pin out: switch output, to connect to the load each acs ? is triggered with a negative gate current fl owing out of the gate pin g. it can be driven directly by the digital controller through a resistor as shown on the typical application diagram. no protection devices are required between the gates and common terminals. in appliance systems, this acs drives sl ow power loads in full cycle on / off mode. thanks to its thermal and turn off commutation performances, the acs302 switch is able to drive three loads up to 0.2 a each such as two water valves and a door lock in a dishwasher, without any additional turn-off snubber. figure 16. typical application pa0 pa1 pa2 vcc vss st72 mcu m n l valve / dispenser door lock pump / fan mains out1 out2 out3 acs302 com g1 g2 g3 s1 s2 s3
docid024500 rev 1 7/12 acs302 ac line switch basic application 2.1 high inductive switch-off operation in figure 17 , at the end of the last conduction ha lf-cycle, the load current reaches the holding current level i h , and the acs turns off. because of the inductance l of the load, the current flows through the avalanche diode d an d decreases linearly to zero. during this time, the voltage across the switch is limited to the clamping voltage v cl . the energy stored in the inductance of the load depends on the holding current i h ( figure 18 ) and the inductance (up to 10 h). the energy stored can reach about 20 mj and is dissipated in the clamping diode section that is especially designed for that purpose. 2.2 ac line transien t voltage ruggedness the acs302 is able to withstand safely the ac line transient voltages either by clamping the low energy spikes or by breaking over under high energy shocks. the test circuit shown in figure 19 is representative of the final acs application and is also used to stress the acs according to the iec 61000-4-5 standard conditions. thanks to the load, the acs withstands the voltage spikes up to 2 kv above the peak line voltage. it will break over safely even on resistive load where the turn on current rise is high as shown in figure 20 . such non repetitive test can be done 10 times on each ac line voltage polarity. figure 17. turn-off operation of the acs302 with an electro-valve: waveform of the pin out current i out and voltage v out figure 18. acs302 switch static characteristic i h t cl v cl v out i out v out i out v cl i h
ac line switch basic application acs302 8/12 docid024500 rev 1 figure 19. overvoltage ruggedness test circuit for resistive and inductive loads according to iec 61000-4-5 standard figure 20. current and voltage of the acs during iec 61000-4-5 standard test with r = 150 ? , l = 5 h, v pp = 2kv l r v+ v ac pp surge voltage ac line and generator com out g acs302 r = 150 , l = 5 h, v pp = 2 kv v out > 0 di out /dt v out i out
docid024500 rev 1 9/12 acs302 package information 3 package information ? epoxy meets ul94, v0 ? lead-free package in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions a nd product status are available at: www.st.com . ecopack ? is an st trademark. figure 21. so-20 dimension definitions table 6. so-20 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 2.35 2.65 0.092 0.104 a1 0.10 0.30 0.004 0.008 b 0.33 0.51 0.013 0.020 c 0.23 0.32 0.009 0.013 d 12.6 13.0 0.484 0.512 e 7.40 7.60 0.291 0.299 e 1.27 0.050 h 10.0 10.65 0.394 0.419 h 0.25 0.75 0.010 0.029 l 0.40 1.27 0.016 0.050 k8 (max) k hx45 c l a a1 b e d eh
ordering information acs302 10/12 docid024500 rev 1 figure 22. footprint (dimensions in mm) 4 ordering information figure 23. ordering information scheme 1.27 (0.050) 0.6 (0.024) 8.5 (0.335) 11.2 (0.441) table 7. ordering information order code marking package weight base qty delivery mode ACS302-6T3-tr acs302-6 so-20 0.55g 1,000 tape and reel 13? ACS302-6T3 acs302-6 so-20 0.55g 40 tube series ac switch number of switches 3 current rms 02 = 200 ma voltage 6 = 600 v package t3 = so-20 delivery mode tr = tape and reel 13? blank = tube acs 3 02 - 6 t3 tr
docid024500 rev 1 11/12 acs302 revision history 5 revision history table 8. document revision history date revision changes 01-jul-2013 1 first release.
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