ACS102-6TA-TR

**ACS102-6T** 

**==> picture [62 x 39] intentionally omitted <==**

## Transient protected AC switch (ACS™) 

## **Features** 

- Needs no external protection snubber or varistor 

- Enables equipment to meet IEC 61000-4-5 

- Reduces component count by up to 80% 

- Interfaces directly with the microcontroller 

- Common package tab connection supports connection of several alternating current switches (ACS) on the same cooling pad 

- Integrated structure based on ASD technology 

- Overvoltage protection by crowbar technology 

- High noise immunity - static dV/dt > 300 V/µs 

## **Applications** 

- Alternating current on/off static switching in appliances and industrial control systems 

- Drive of low-power, high-inductive or resistive loads like: 

      - relay, valve, solenoid 

   - 

   - dispenser, door lock 

   - micro-motor 

## **Description** 

The ACS102-6T belongs to the AC line switch family. This high performance switch can control a load of up to 0.2A. 

The ACS102-6T switch includes an overvoltage crowbar structure to absorb the overvoltage 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. 

**==> picture [221 x 345] intentionally omitted <==**

**----- Start of picture text -----**<br>
G (5)<br>COM (6)<br>COM (7)<br>NC (8) NC (4)<br>NC (3)<br>OUT (2) COM<br>NC (1) OUT G<br>SO-8 TO-92<br>ACS102-6T1 ACS102-6TA<br>Figure 1. Functional diagram<br>OUT<br>G<br>COM<br>COM Common drive reference to connect<br>to the mains<br>OUT Output to connect to the load.<br>G Gate input to connect to the controller<br>through gate resistor<br>**----- End of picture text -----**<br>


**Table 1. Device summary** 

|**Symbol**|**Value**|**Unit**|
|---|---|---|
|IT(RMS)|0.2|A|
|VDRM/VRRM|600|V|
|IGT|5|mA|



TM: ACS is a trademark of STMicroelectronics ASD: Application specific devices 

1/11 

May 2011 

Doc ID 11961 Rev 3 

_www.st.com_ 

**Characteristics** 

**ACS102-6T** 

## **1 Characteristics** 

## **Table 2. Absolute maximum ratings (Tamb = 25 °C, unless otherwise specified)** 

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|
|IT(RMS)|On-state rms current (full sine wave)|TO-92|Tamb= 100 °C|0.2|A|
|||SO-08|Tamb= 100 °C|||
|ITSM|Non repetitive surge peak on-state current<br>(full cycle sine wave, Tjinitial = 25 °C)|f = 60 Hz|t = 16.7 ms|7.6|A|
|||f = 50 Hz|t = 20 ms|7.3||
|I²t|I²t  Value for fusing|tp= 10 ms||0.38|A²s|
|dI/dt|Critical rate of rise of on-state current<br>IG= 2xIGT, tr≤100 ns|f = 120 Hz|Tj= 125 °C|50|A/µs|
|VPP|Non repetitive line peak mains voltage(1)||Tj= 25 °C|2|kV|
|IGM|Peak gate current|tp= 20 µs|Tj= 125 °C|1|A|
|VGM|Peak positive gate voltage||Tj= 125 °C|10|V|
|PG(AV)|Average gate power dissipation||Tj= 125 °C|0.1|W|
|Tstg<br>Tj|Storage junction temperature range<br>Operating junction temperature range|||-40 to +150<br>-30 to +125|°C|



1. According to test described by IEC 61000-4-5 standard and _Figure 17_ 

## **Table 3. Electrical characteristics (Tj = 25 °C, unless otherwise specified)** 

|**Symbol**|**Test conditions**|**Quadrant**||**Value**|**Unit**|
|---|---|---|---|---|---|
|IGT (1)|VOUT= 12 V, RL= 33Ω|II - III|MAX|5|mA|
|VGT||II - III|MAX|0.9|V|
|VGD|VOUT= VDRM, RL=3.3 kΩ,Tj= 125 °C|II - III|MIN|0.15|V|
|IH (2)|IOUT= 100 mA||MAX|20|mA|
|IL<br>(2)|IG= 1.2 x IGT||MAX|25|mA|
|dV/dt(2)|VOUT= 67% VDRM, gate open, Tj= 125 °C||MIN|300|V/µs|
|(dI/dt)c(2)|Without snubber (15 V/µs), turn-off time≤20 ms, Tj= 125 °C||MIN|0.15|A/ms|
|VCL|ICL= 0.1 mA, tp= 1 ms, Tj= 125 °C||MIN|650|V|



1. Minimum IGT is guaranteed at 10% of IGT max 

2. For both polarities of OUT referenced to COM 

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Doc ID 11961 Rev 3 

**ACS102-6T** 

**Characteristics** 

**Table 4. Static electrical characteristics** 

|**Symbol**|**Test conditions**|**Test conditions**|**Test conditions**|**Value**|**Unit**|
|---|---|---|---|---|---|
|VTM (1)|ITM= 0.3 A, tp= 380 µs|Tj = 25 °C|MAX|1.2|V|
|VTO (1)||Tj = 125 °C|MAX|0.80|V|
|RD (1)||Tj = 125 °C|MAX|500|mΩ|
|IDRM<br>IRRM|VOUT= 600 V|Tj = 25 °C|MAX|2|µA|
|||Tj = 125 °C||0.2|mA|



1. for both polarities of OUT referenced to COM 

## **Table 5. Thermal resistance** 

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|
|Rth (j-l)|Junction to lead (AC)||TO-92|60|°C/W|
|Rth (j-a)|Junction to ambient|S = 40 mm²|TO-92|150||
||||SO-8|150||



## **Figure 2. Maximum power dissipation Figure 3. On-state rms current versus versus on-state rms current ambient temperature (full cycle) (full cycle)** 

**==> picture [462 x 161] intentionally omitted <==**

**----- Start of picture text -----**<br>
0.18 P (W) 0.22 IT(RMS) (A)<br>0.16 α=180° 0.20<br>0.18<br>0.14<br>0.16<br>0.12 0.14<br>0.10 0.12<br>0.10<br>0.08<br>0.08<br>0.06<br>0.06<br>0.04 180° 0.04 Printed circuit board FR4a=180°<br>0.02 IT(RMS) (A) 0.02 Natural convection Tamb °C<br>0.00 0.00<br>0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0 25 50 75 100 125<br>**----- End of picture text -----**<br>


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Doc ID 11961 Rev 3 

**Characteristics** 

**ACS102-6T** 

**Figure 4. Relative variation of junction to Figure 5. Relative variation of gate trigger, ambient thermal impedance versus holding and latching current versus pulse duration and package junction temperature** 

**==> picture [462 x 160] intentionally omitted <==**

**----- Start of picture text -----**<br>
K=[Zth(j-a)/Rth(j-a)]<br>1.E+00 2.5<br>2.0<br>IGT<br>1.5<br>1.E-01 IL & IH<br>TO-92 1.0<br>SO-8<br>0.5<br>tP (S) Tj(°C)<br>1.E-02 0.0<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130<br>IGT, IH, IL [Tj] / IGT, IH, IL [Tj=25°C]<br>**----- End of picture text -----**<br>


**Figure 6. Non repetitive surge peak on-state Figure 7. current versus number of cycles** 

**Non repetitive surge peak on-state current for a sinusoidal pulse, and corresponding value of I²t** 

**==> picture [462 x 160] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 1.E+03<br>9 Tj initial=25 °C<br>Pulse width tp < 10 ms<br>8 t=20ms<br>1.E+02<br>7 Non repetitive One cycle<br>Tj initial=25°C ITSM<br>6<br>5 1.E+01<br>4 Repetitive<br>3 Tamb=100°C<br>1.E+00<br>2 I²t<br>1<br>0 Number of cycles 1.E-01 tp(ms)<br>1 10 100 1000 0.01 0.10 1.00 10.00<br>ITSM(A) ITSM(A), I²t (A²s)<br>**----- End of picture text -----**<br>


**Figure 8. On-state characteristics (maximal values)** 

**Figure 9. SO-8 junction to ambient thermal resistance versus copper surface under tab** 

**==> picture [462 x 153] intentionally omitted <==**

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10.00 160<br>TVjto max.:= 0.8 V 140 PCB FR4, copper thickness 35 µm SO-8<br>Rd= 500 mΩ<br>120<br>1.00<br>Tj=125°C 100<br>Tj=25°C 80<br>60<br>0.10<br>40<br>20<br>VTM(V) SCU(mm²)<br>0.01 0<br>0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 50 100 150 200 250 300<br>ITM(A) Rth(j-a)(°C/W)<br>**----- End of picture text -----**<br>


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Doc ID 11961 Rev 3 

**ACS102-6T** 

**Characteristics** 

**Figure 10. Relative variation of critical rate of decrease of main current (di/dt)c versus junction temperature** 

**Figure 11. Relative variation of critical rate of decrease of main current (di/dt)c versus (dV/dt)c** 

**==> picture [462 x 148] intentionally omitted <==**

**----- Start of picture text -----**<br>
(dI/dt)c [T ] / (dI/dt)j c [T =125 °C]j 2.0<br>12<br>11 Vout=300 V 1.8 Turn-off time < 20 ms Vout = 400 V<br>10 1.6<br>9<br>1.4<br>8<br>1.2<br>7<br>6 1.0<br>5 0.8<br>4<br>0.6<br>3<br>2 0.4<br>1 Tj (°C) 0.2 (dV/dt)c (V/µs)<br>0 0.0<br>0 10 20 30 40 50 60 70 80 90 100 110 120 130<br>0.1 1 10 100<br>(dI/dt)c [ (dV/dt) c ] / Specified (dI/dt)c<br>**----- End of picture text -----**<br>


**Figure 12. Relative variation of static dV/dt versus junction temperature** 

**Figure 13. Relative variation of the maximal clamping voltage versus junction temperature (min value)** 

**==> picture [462 x 160] intentionally omitted <==**

**----- Start of picture text -----**<br>
VCL [Tj] / VDRM<br>8 1.20<br>Vout=400V<br>7 1.10<br>6<br>1.00<br>5<br>0.90<br>4<br>0.80<br>3<br>0.70<br>2<br>1 0.60<br>Tj(°C) Tj(°C)<br>0 0.50<br>25 50 75 100 125 -25 0 25 50 75 100 125<br>dV/dt [T j] / dV/dt [T j=125°C]<br>**----- End of picture text -----**<br>


5/11 

Doc ID 11961 Rev 3 

**ACS102-6T** 

**Alternating current line switch - basic application** 

## **2 Alternating current line switch - basic application** 

The ACS102-6T switch is triggered by a negative gate current flowing from the gate pin G. The switch can be driven directly by the digital controller through a resistor as shown in _Figure 14_ . 

Thanks to its overvoltage protection and turn-off commutation performance, the ACS102-6T switch can drive a small power, high-inductive load with neither varistor nor additional turnoff snubber. 

**Figure 14. Typical application program** 

**==> picture [311 x 153] intentionally omitted <==**

**----- Start of picture text -----**<br>
Valve<br>AC Mains<br>Vss Rg<br>MCU ACS102-6T<br>Power supply Vdd<br>**----- End of picture text -----**<br>


## **2.1 Protection against overvoltage: the best choice is ACS** 

In comparison with standard TRIACs, which are not robust against surge voltage, the ACS102-6T is overvoltage self-protected, specified by the new parameter VCL. This feature is useful in two operating conditions: in case of turn-off of very inductive load, and in case of surge voltage that can occur on the electrical network. 

## **2.1.1** 

## **High inductive load switch-off: turn-off overvoltage clamping** 

With high inductive and low rms current loads the rate of decrease of the current is very low. An overvoltage can occur when the gate current is removed and the OUT current is lower than IH. 

As shown in _Figure 15_ and _Figure 16_ , at the end of the last conduction half cycle, the load current decreases (1). The load current reaches the holding current level IH (2), and the ACS turns off (3). The water valve, as an inductive load (up to 15 H), reacts as a current generator and an overvoltage is created, which is clamped by the ACS (4). The current flows through the ACS avalanche and decreases linearly to zero. During this time, the voltage across the switch is limited to the clamping voltage VCL. The energy stored in the inductance of the load is dissipated in the clamping section that is designed for this purpose. When the energy has been dissipated, the ACS voltage falls back to the mains voltage value (5). 

6/11 

Doc ID 11961 Rev 3 

**ACS102-6T** 

**Alternating current line switch - basic application** 

**Figure 15. Effect of the switching off of a high Figure 16. Description of the different steps inductive load - typical clamping during switching off of a high capability of ACS102-6T inductive load** 

**==> picture [394 x 134] intentionally omitted <==**

**----- Start of picture text -----**<br>
4<br>VPEAK = VCL I OUT<br>I OUT 1<br>(5 mA/div)<br>3<br>VOUT 2 3<br>(200 V/div) I H<br>1 4<br>5 VOUT<br>I H 2 VCL<br>5<br>ESS<br>100µs/div<br>**----- End of picture text -----**<br>


## **2.1.2 Alternating current line transient voltage ruggedness** 

The ACS102-6T switch is able to withstand safely the AC line transients either by clamping the low energy spikes or by breaking over under high energy shocks, even with high turn-on current rise. 

The test circuit shown in _Figure 17_ is representative of the final ACS102-6T application, and is also used to test the ACS switch according to the IEC 61000-4-5 standard conditions. Thanks to the load limiting the current, the ACS102-6T switch withstands the voltage spikes up to 2 kV above the peak line voltage. The protection is based on an overvoltage crowbar technology. Actually, the ACS102-6T breaks over safely as shown in _Figure 18_ . The ACS102-6T recovers its blocking voltage capability after the surge (switch off back at the next zero crossing of the current). 

Such non-repetitive tests can be done 10 times on each AC line voltage polarity. 

**Figure 17. Overvoltage ruggedness test circuit Figure 18. Typical current and voltage for resistive and inductive loads waveforms across the ACS102-6T during IEC 61000-4-5 standard test** 

**==> picture [384 x 138] intentionally omitted <==**

**----- Start of picture text -----**<br>
VPEAK<br>Surge generator I OUT<br>"1.2/50 waveform" (2 A/div)<br>Model of the load<br>Rgene R L VOUT<br>(200 V/div)<br>2 150 5µH<br>ACS102-6Tx<br>2.4 kV surge<br>Rg<br>220<br>Conditions equivalent to IEC 61000-4-5 standards<br>200ns/div<br>**----- End of picture text -----**<br>


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Doc ID 11961 Rev 3 

**Ordering information scheme** 

**ACS102-6T** 

## **3 Ordering information scheme** 

## **Figure 19. Ordering information scheme** 

**==> picture [237 x 208] intentionally omitted <==**

**----- Start of picture text -----**<br>
ACS    1     02   -  6 T    A   -TR<br>AC Switch series<br>Number of switches<br>Current<br>02 = 0.2 ARMS<br>Voltage<br>6 = 600 V<br>Sensitivity<br>T = 5 mA<br>Package<br>A = TO-92<br>1 = SO-8<br>Packing<br>TR = Tape and reel<br>Blank = (TO-92) Bulk<br>(SO-8) Tube<br>**----- End of picture text -----**<br>


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Doc ID 11961 Rev 3 

**ACS102-6T** 

**Package information** 

## **4 Package information** 

- Epoxy meets UL94, V0 

- Lead-free packages 

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 and product status are available at: _www.st.com_ . ECOPACK[®] is an ST trademark. 

## **Table 6. TO-92 dimensions** 

|||||**Ref**<br>A<br>B<br>C<br>D<br>E<br>F<br>a|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|
||||||**Millimeters**|||**Inches**|||
||||||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|**B**|**A**<br>**F**<br>**C**||**a**||||||||
|||||||1.35|4.70||0.053|0.185|
|||**D**|**E**|||2.54|||0.100||
||||||4.40|||0.173|||
||||||12.70|||0.500|||
||||||||3.70|||0.146|
||||||||0.50|||0.019|



## **Table 7. SO-8 dimensions** 

|||||||||**Ref.**<br>A<br>A1<br>A2<br>b<br>C<br>D<br>E<br>E1<br>e<br>h<br>L<br>L1<br>k<br>ppp<br>**°**<br>**L**<br>**1**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Min.**<br>**Typ.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Min.**<br>**Typ.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Min.**<br>**Typ.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Min.**<br>**Typ.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Min.**<br>**Typ.**<br>**Max.**|**Dimensions**<br>**Millimeters**<br>**Inches**<br>**Min.**<br>**Typ.**<br>**Max.**<br>**Min.**<br>**Typ.**<br>**Max.**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||||||**Inches**|||
|||||||||||**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|||||**E1**<br>**E**<br>**A**<br>**A2**<br>**A1**<br>**C**<br>**k**<br>**Seating**<br>**Plane**<br>C|||**h x 45**||||||||
||||||||||||1.75|||0.069|
|||||**A2**|**A**||||0.1||0.25|0.004||0.010|
||||||||||||||||
|**b**<br>**pp**|**D**<br>**e**<br>**p C**|||||**k**|**L**||1.25|||0.049|||
||||||||||0.28||0.48|0.011||0.019|
||||||||||0.17||0.23|0.007||0.009|
||||||||||4.80|4.90|5.00|0.189|0.193|0.197|
|||||**E1**|||||5.80|6.00|6.20|0.228|0.236|0.244|
||**8**<br>**1**||**4**<br>**5**|**E1**|||||||||||
||||||||||3.80|3.90|4.00|0.150|0.154|0.157|
|||||||||||1.27|||0.050||
||||||||||0.25||0.50|0.010||0.020|
||||||||||0.40||1.27|0.016||0.050|
||||||||||||||||
|||||||||||1.04|||0.041||
||||||||||0°||8°|0°||8°|
||||||||||||0.10|||0.004|



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Doc ID 11961 Rev 3 

**Ordering information** 

**ACS102-6T** 

## **Figure 20. Footprint, dimensions in mm (inches)** 

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**----- Start of picture text -----**<br>
6.8<br>(0.268)<br>0.6<br>(0.024)<br>4.2<br>(0.165)<br>1.27<br>(0.050)<br>**----- End of picture text -----**<br>


## **5 Ordering information** 

## **Table 8. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Packing mode**|
|---|---|---|---|---|---|
|ACS102-6TA|ACS1026T|TO-92|0.2 g|2500|Bulk|
|ACS102-6TA-TR|ACS1026T|TO-92|0.2 g|2000|Tape and reel|
|ACS102-6T1|ACS1026T|SO-8|0.11 g|100|Tube|
|ACS102-6T1-TR|ACS1026T|SO-8|0.11 g|2500|Tape and reel|



## **6 Revision history** 

## **Table 9. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|05-Jan-2006|1|Initial release.|
|07-Jun-2006|2|Reformatted to current standards. Replaced_Figure 9._|
|24-May-2011|3|Added pin indications on first page. Corrected dimensions in_Table 7._|



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**ACS102-6T** 

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