ACS302-5T3 KERSEMI | Alldatasheet
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Technical content
THREE LINES AC SWITCH ARRAY SO-20 Wired package n THREE HIGH VOLTAGE AC SWITCH ARRAY n BLOCKING VOLTAGE: V DRM RRM = 500V n CLAMPING VOLTAGE: V CL = 600 V n NOMINAL CONDUCTING CURRENT PER LINE: I T(RMS) = 0.2 A n NOMINAL CONDUCTING CURRENT FOR TOTAL ARRAY: I T(RMS) = 0.4 A n GATE TRIGGERING CURRENT: I GT <5m A
FEATURES
The ACS302 belongs to the AC line switch family built around the ASD™ concept. This high performance device inludes 3 bidirectionnal AC switches able to control an 0.2A resistive or inductive load device. Each ACS™ switch embeds a high voltage clamping structure to absorb the inductive turn off energy and a gate level shifter driver to separate the digital controller from the main switch. It is triggered with a negative gate current flowing out of the gate pin.
DESCRIPTION
n Needs no external overvoltage protection n Enables equipment to meet IEC61000-4-5 standard n Interfaces directly with a microcontroller n Eliminates any stressing gate kick back on the microcontroller n Array structure: design simplified, increase reliability and space saving aspects n Mounting in SO-20 package enables the device to meet IEC335-1 standard BENEFITS OUT1 OUT2 OUT3 ACS302 COM G1 G2 G3 S1 S2 S3 FUNCTIONAL DIAGRAM n AC on-off static switching in appliance & industrial control systems n Drive of low power high inductive or resistive loads like: - relay, valve, solenoid, dispenser - pump, fan, micro-motor - low power lamp bulb, door lock MAIN APPLICATIONS ASD and ACS are trademarks of STMicroelectronics. 3.81cm = 1.5’’ 2.54cm = 1’’ 11.2cm = 2.54’’ 8.5cm OUTPUT 1 COM OUTPUT 3 OUTPUT 2 GATE 1 GATE 2 GATE 3 COM Pin 1 Pin 11 and 19, 17, 15, 14, 12 .are not connected PIN-OUT www.kersemi.com
Symbol Parameter Value Unit V DRM RRM Repetitive peak off-state voltage Tj = 125 °C 500 V I T(RMS) RMS on-state current full cycle sine wave 50 to 60 Hz Tamb = 110 °C One switch on = 0.2 A Tamb = 90 °C Array: 0.4 A I TSM Non repetitive surge peak on-state current Tj initial = 25°C, full cycle sine wave F =50 Hz 7.3 A F =60 Hz 7.6 A dI/dt Critical rate of repetitive rise of on-state current I G = 10mA with tr = 100ns F =120 Hz 20 A/ µs V PP Non repetitive line peak pulse voltage note 1 2k V Tstg Storage temperature range - 40 to + 150 °C Tj Operating junction temperature range - 30 to + 125 °C Tl Maximum lead temperature for soldering during 10s 260 °C Note 1: according to test described by IEC61000-4-5 standard and figure 3. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit P G (AV) Average gate power dissipation 0.1 W I GM Peak gate current (tp = 20µs) 1 A V GM Peak positive gate voltage (respect to the pin COM) 5 V SWITCH GATE CHARACTERISTICS (maximum values) Symbol Parameter Value Unit Rth (j-a) Junction to ambient 93 °C/W THERMAL RESISTANCES Symbol Test Conditions Values Unit I GT V OUT = 12V R L = 140Ω Tj=25°C MAX 5 mA V GT V OUT = 12V R L = 140Ω Tj=25°C MAX 0.9 V V GD V OUT DRM R L = 3.3kΩ Tj=125°C MIN 0.15 V I H I OUT = 100mA gate open Tj=25°C TYP 20 mA MAX 45 I L I G = 10mA Tj=25°C TYP 25 mA MAX 50 V TM I OUT = 0.3A tp = 380µs Tj=25°C MAX 1.2 V I DRM I RRM V OUT DRM V OUT RRM Tj=25°C MAX 2 µA Tj=125°C MAX 200 dV/dt V OUT = 400V gate open Tj=110°C MIN 300 V/ µs (dI/dt)c (dV/dt)c = 5V/µsI OUT > 0 Tj=110°C MIN 0.1 A/ms (dV/dt)c = 10V/µs I OUT < 0 Tj=110°C MIN 0.15 A/µs V CL I CL = 1mA tp = 1ms Tj=25°C TYP 600 V
ELECTRICAL CHARACTERISTICS
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I GT Triggering gate current V GT Triggering gate voltage V GD Non-triggering gate voltage I H Holding current I L Latching current V TM Peak on-state voltage drop V On-state threshold voltage R d On-state dynamic resistance I DRM RRM Maximum forward or reverse leakage current dV/dt Critical rate of rise of off-state voltage (dV/dt) c Critical rate of decrease of commutating off-state voltage (dI/dt) c Critical rate of decrease of commutating on-state current V CL Clamping voltage I CL Clamping current The ACS302 device is well adapted to washing machines, dishwashers, tumble driers, refrigera- tors, water heaters, and cookwares. It has been designed especially to switch ON & OFF low power loads such as solenoids, valves, relays, mi- cro-motors, pumps, fans, door locks and low power lamp bulbs. n Pin COM: Common drive reference, to connect to the power line neutral n Pin G:Switch Gate input to connect to the digital controller through a resistor n Pin OUT:Switch Output, to connect to the load Each ACS™ switch is triggered with a negative gate current flowing 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. AC LINE SWITCH BASIC 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 TYPICAL APPLICATION DIAGRAM In appliances systems, this ACS™ switch intends to drive low power loads in full cycle ON / OFF mode. Thanks to its thermal and turn off commutation performances, the ACS302-5TA switch is able to drive three loads up to 0.2A each, as, for example, two water valves and a door lock in a dishwasher, without any additionnal turn-off snubber. www.kersemi.com
At the end of the last conduction half-cycle, the load current reaches the holding current level I H , and the ACS™ switch turns off. Because of the inductance L of the load, the current flows through the avalanche diode D and 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 and the inductance (up to 10 H); it can reach about 20 mJ and is dissipated in the clamping diode section that is especially designed for that purpose. HIGH INDUCTIVE SWITCH-OFF OPERATION Fig. 1:Turn-off operation of the ACS302 switch with an electro valve: waveform of the pin OUT current I OUT & voltage V OUT V OUT I OUT V CL I H Fig. 2:ACS302 switch static characteristic. The ACS302 switch is able to withstand safely the AC line transient voltages either by clamping the low en- ergy spikes or by breaking over under high energy shocks. The test circuit of the figure 3 is representative of the final ACS™ application and is also used to stress the ACS switch according to the IEC61000-4-5 standard conditions. Thanks to the load, the ACS™ switch withstands the voltage spikes up to 2 kV above the peak line voltage. It will break over safely even on resis- tive load where the turn on current rise is high as shown on figure 4. Such non repetitive test can be done 10 times on each AC line voltage polarity. AC LINE TRANSIENT VOLTAGE RUGGEDNESS L R V AC PP SURGE VOLTAGE AC LINE & GENERATOR COM OUT G ACS302 Fig. 3:Overvoltage ruggedness test circuit for resistive and inductive loads according to IEC61000-4-5 standard. R = 150Ω , L = 5µH, V PP = 2kV. Fig. 4:Current and Voltage of the ACS™ during IEC61000-4-5 standard test withR=1 5 0Ω ,L=5 µH PP = 2kV. www.kersemi.com
P(W) 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 I (A) T(RMS) α = 180° 180° α α Fig. 5:Maximum power dissipation versus RMS on-state current (per switch). 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0 25 50 75 100 125 I (A) T(RMS) T (°C) amb α = 180° 3 switches ON 1 switch ON Fig. 6: RMS on-state current versus ambient temperature. K=[Z / R ] th(j-a) th(j-a) 1.E-03 1.E-02 1.E-01 1.E+00 1 cell 3 cells t (s) p Fig. 7:Relative variation of thermal impedance junction to ambient versus pulse duration . I [T ] / I [T =25°C] GT j GT j 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 T (°C) j Fig. 8:Relative variation of gate trigger current versus junction temperature (typical value). I ,I [T ] / I ,I [T =25°C] LH j LH j 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 T (°C) j Fig. 9:Relative variation of holding and latching current versus junction temperature (typical values). I (A) TSM 1 10 100 1000 Number of cycles One cycle t=20ms Tj initial=25°C Non repetitive Tamb=25°C Repetitive Fig. 10: Surge peak on-state current versus number of cycles. www.kersemi.com
t (ms) p I (A),I²t(A²s) TSM 0.1 1.0 10.0 100.0 0.01 0.10 1.00 10.00 dI/dt limitation: 20A/µs Tj initial=25°C ITSM I²t Fig. 11: Non-repetitive surge peak on-state current for a sinusoidal pulse with width tp<10ms, and corresponding value of I I (A) TM 0.01 0.10 1.00 10.00 Tj max. Vto = 0.85 V Rd = 400 mΩ V (V) TM Fig. 12:On-state characteristics (maximum values). (dI/dt) [T ] / (dI/dt) [T =110°C] cj cj 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 2 04 06 08 0 1 0 0 1 2 0 T (°C) j Fig. 13:Relative variation of critical (dI/dt)c versus junction temperature . AC Switch Gate Sensitivity T = 5mA ACS 3 02 5 T 3- Switch Number Package: 3 = SO-20 I xx = x.xA TRMS V y = y00V DRM
ORDERING INFORMATION
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PACKAGE OUTLINE MECHANICAL DATA SO-20 REF. DIMENSIONS Millimeters Inches A 2.35 2.65 0.092 0.104 A1 0.10 0.20 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 0.50 1.27 0.020 0.050 K 8° (max) K hx45° C L A B e D EH 1.27 0.6 8.5 11.2 FOOT PRINT DIMENSIONS (in millimeters) Ordering type Marking Package Weight Base qty Delivery mode ACS302-5T3 ACS302 SO-20 0.55g 40 Tube OTHER INFORMATION www.kersemi.com