概述
数据手册ACS102-5TX 概述
AC LINE SWITCH AC线路开关
ACS102-5TX 数据手册
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ACS102-5Tx
ASD™
AC Switch Family
AC LINE SWITCH
PRELIMINARY DATASHEET
MAIN APPLICATIONS
AC on-off static switching in appliance control
systems
Drive of low power high inductive or resistive
loads like
- relay, valve, solenoid, dispenser
- pump, fan, micro-motor
- low power lamp bulb, door lock
OUT
COM
G
FEATURES
TO92
ACS102-5TA
Blocking voltage : VDRM / VRRM = 500V
Clamping voltage : VCL = 600 V
Nominal current : IT(RMS) = 0.2 A
Gate triggering current : IGT < 5 mA
Switch integrated driver
NC
COM
COM
G
SO-8 package:
- drive reference COM connected to 2 cooling pins
- 3 mm creepage distance from pin OUT to other pins
NC
OUT
NC
NC
BENEFITS
SO-8
ACS102-5T1
Needs no more external protection snubber or
varistor
Enables equipment to meet IEC 1000-4-5 &
IEC 335-1
NC: Not Connected
Reduces component count by up to 80 %
Interfaces directly with a microcontroller
Eliminates any stressing gate kick back on
microcontroller
FUNCTIONAL DIAGRAM
Allows straightforward connection of several
ACS on same cooling pad
OUT
ACS102
DESCRIPTION
S
The ACS102 belongs to the AC line switch family
built around the ASD concept. This high perfor-
mance 5 mA switch circuit is able to control an up
to 0.3 A load.
ON
D
The 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.
COM
G
December 1999 - Ed: 4B
1/8
ACS102-5Tx
ABSOLUTE RATINGS (limiting values)
Symbol
Parameter
Value
500
0.2
0.2
7.3
8
Unit
V
V
DRM / VRRM Repetitive peak off-state voltage
IT(RMS) RMS on-state current full cycle sine
Tj = 25 °C
Tamb = 75 °C
Tamb = 75 °C
F =50 Hz
TO92
SO-8
A
wave 50 to 60 Hz
A
ITSM
Non repetitive surge peak on-state current
Tj initial = 25°C, full cycle sine wave
A
F =60 Hz
A
dI/dt
Critical rate of rise of on-state current
IG = 10mA, tr = 100ns
F =120 Hz
20
A/µs
note 1
VPP
Tstg
Tj
Non repetitive line peak pulse voltage
Storage temperature range
2
kV
°C
°C
°C
- 40 to + 150
0 to + 110
260
Operating junction temperature range
Tl
Maximum lead temperature for soldering during 10s
note 1 : according to test described by IEC 1000-4-5 standard & Figure 4.
SWITCH GATE CHARACTERISTICS (maximum values)
Symbol
PG (AV)
IGM
Parameter
Average gate power dissipation
Value
Unit
W
0.1
1
Peak gate current (tp = 20µs)
A
VGM
Peak positive gate voltage (respect to the pin COM)
5
V
THERMAL RESISTANCES
Symbol
Parameter
Value
150
150
60
Unit
°C/W
°C/W
°C/W
Rth (j-a)
Junction to ambient
TO92
SO-8
TO92
Rth (j-l)
Junction to leads for full AC line cycle conduction
ELECTRICAL CHARACTERISTICS
For either positive or negative polarity of pin OUT voltage respect to pin COM voltage
Symbol
IGT
Test Conditions
VOUT=12V (DC) RL=140Ω
Values
5
Unit
mA
V
Tj=25°C
Tj=25°C
Tj=110°C
Tj=25°C
MAX
MAX
MIN
VGT
VGD
IH
VOUT=12V (DC) RL=140Ω
VOUT=VDRM RL=3.3kΩ
0.9
0.2
20
V
IOUT= 100mA gate open
TYP
MAX
TYP
MAX
MAX
MAX
MAX
MIN
mA
tbd
25
IL
IG= 20mA
Tj=25°C
mA
tbd
1.2
2
VTM
IOUT = 0.3A tp=380µs
Tj=25°C
Tj=25°C
V
IDRM
IRRM
VOUT = VDRM
VOUT = VRRM
µA
Tj=110°C
Tj=110°C
Tj=110°C
50
dV/dt
V
OUT=400V gate open
300
0.1
0.15
600
V/µs
(dI/dt)c
Turn off = 10ms, (dV/dt)c = 5V/µs
Turn off = 20ms, (dV/dt)c = 10V/µs
ICL = 1mA tp=1ms
MIN
A/ms
VCL
Tj=25°C
TYP
V
tbd = to be defined
2/8
ACS102-5Tx
PARAMETER DESCRIPTION
Parameter Symbol
IGT
Parameter Description
Gate triggering current
VGT
VGD
IH
Gate triggering voltage
Non triggering voltage
Holding current
IL
Latching current
VTM
On state voltage
I
DRM / IRRM
Forward or reverse leakage current
Static pin OUT voltage rise
Turn off current rate of decay
Clamping voltage
dV/dt
(dl/dt)C
VCL
AC LINE SWITCH BASIC APPLICATION
The ACS102 device is well adapted to washing machine, dish washer, tumble drier, refrigerator, water
heaters, and cookware. It has been designed especially to switch on & off low power loads such as sole-
noid, valve, relay, dispenser, micro-motor, pump, fan, door lock, and low wattage lamps bulbs.
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
This ACS switch is triggered with a negative gate current flowing out of the gate pin G. It can be driven di-
rectly by the digital controller through a resistor as shown on the typical application diagram. No protection
device (zener or capacitor) are required between gate and COM terminals.
The SO-8 version allows to connect several ACS102 devices on the same cooling PCB pad which is the
COM pin.
In appliances systems, the ACS102 switch intends to drive low power load in full cycle ON / OFF mode.
The turn off commutation characteristics of these loads are described in table 1.
Thanks to its thermal and turn off commutation performances, the ACS102 switch is able to drive with no
turn off aid snubber a load up to 0.2 A (door lock, lamp, relay, valve & micro motor) when this load has to
switch off within one half AC line cycle, and up to 0.3 A (pump, fan) when this load can switch off within one
full AC line cycle.
Table 1: Low power load turn off commutation requirement (230V AC applications).
IRMS
(dI/dt)c
(dV/dt)c
TURN-OFF
DELAY
POWER
LOAD
FACTOR
(A)
(A/ms)
< 0.1
(V/µs)
< 0.15
< 5
(ms)
< 10
< 10
Door lock, lamp
< 0.2
< 0.2
1
Relay Valve
Dispenser
Micro-motor
> 0.7
< 0.1
Pump Fan
< 0.3
> 0.2
< 0.15
< 10
< 20
3/8
ACS102-5Tx
TYPICAL APPLICATION DIAGRAM
LOAD
L
AC
L
MAINS
N
R
OUT
S
ACS102
ON
D
COM
G
ST 72 MCU
- Vcc
HIGH INDUCTIVE SWITCH-OFF OPERATION
At the end of the last conduction half-cycle, the load current reaches the holding current level IH, 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 VCL.
The energy stored in the inductance of the load depends on the holding current IH and the inductance (up
to 10 H); it can reach about 20 mJ and is dissipated in the clamping diode section. The ACS switch sustains
the turn off energy , because its clamping section is designed for that purpose.
Fig 1: Turn-off operation of the ACS102 switch
with an electro valve: waveform of the gate current
Fig 2: ACS102 switch static characteristic.
IG, pin OUT current IOUT & voltage VOUT
.
IOUT
IOUT
(10 mA/div)
VCL = 650V
IH
IH
VOUT
VCL
VOUT
(200V/div)
Time (400µs/div)
4/8
ACS102-5Tx
AC LINE TRANSIENT VOLTAGE RUGGEDNESS
The ACS102 switch is able to sustain safely the AC line transient voltages either by clamping the low en-
ergy spikes or by breaking over under high energy shocks, even with high turn-on current rates of increase.
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 IEC1000-4-5 standard conditions. Thanks to the load, the ACS switch sus-
tains the voltage spikes up to 2 kV above the peak line voltage. It will breaks over safely even on resistive
load where the turn on current rate of increase is high as shown on figure 4. Such non repetitive test can be
done 10 times on each AC line voltage polarity.
Fig. 3: Overvoltage ruggedness test circuit for
resistive and inductive loads according to
IEC 1000-4-5 standard.
Fig. 4: Current and Voltage of the ACS during
IEC 1000-4-5 standard test with R = 150Ω, L =
5µH & VPP = 2kV.
R = 150Ω, L = 5µH, VPP = 2kV.
R
L
Vout (200 V/div)
Iout (2.5 A/div)
OUT
AC LINE &
SURGE VOLTAGE
GENERATOR
ACSxx
S
V
AC + VPP
ON
D
COM
G
dI/dt = 70 A/µs
RG= 220Ω
Fig 5: Relative variation of gate trigger current
versus junction temperature
Fig 6: Relative variation of holding & latching
currents versus junction temperature
IH[Tj]/IH[Tj=25°C] & IL[Tj]/IL[Tj=25°C]
IGT[Tj]/IGT[Tj=25°C]
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
Tj(°C)
0.2
Tj(°C)
0.00
0.0
0
25
50
75
100
125
0
25
50
75
100
125
5/8
ACS102-5Tx
Fig 7: Typical on state characteristics @ Tj max
VTO = 0.85 V & RT = 0.40 Ω (maximum values)
Pon = VTO .2. 2 . I T (RMS ) Π + RT x I T (RMS )
Fig 8: Maximum RMS switch current versus
ambient temperature on inductive load (PF>0.1)
and a low repetitive rate (F < 0.1 Hz) for both TO92
and SO8.
2
Iout_m (A)
IT(RMS) (A)
2
0.4
Full cycle turn off delay Half cycle turn-off delay
1
0.8
0.3
0.2
0.1
0.6
0.5
0.4
0.3
0.2
0.1
Tamb (°C)
0.07
Von (V)
0
0.05
0
10 20 30 40 50 60 70 80 90 100 110 120
0.75
1
1.25
1.5
Fig. 9-1: Relative variation of the junction to
ambient thermal impedance versus conducting
pulse duration for the SO8. Standard foot print
with 35µm copper layout thickness.
Fig. 9-2: Relative variation of the junction to
ambient thermal impedance versus conducting
pulse duration for the TO92.
Zth (j-a) / Rth (j-a)
Zth (j-a) / Rth (j-a)
1
1
0.1
0.1
tp (s)
tp (s)
0.01
0.001
0.01
0.001
0.01
0.1
1
10
100
0.01
0.1
1
10
100
ORDERING INFORMATION
ACS 1 02 -
5
T
X
Gate
sensistivity
T = 5 mA
Number
of
Switch
ITRMS
02 = 0.2 A
A = TO 92
1 = SO-8
AC
Switch
VDRM
5 = 500V
6/8
ACS102-5Tx
PACKAGE OUTLINE MECHANICAL DATA
SO-8
DIMENSIONS
Millimetres
L
REF.
Inches
c1
C
Min. Typ. Max. Min. Typ. Max.
a3
A
a2
A
a1
a2
a3
b
1.75
0.069
0.010
0.065
0.033
0.019
0.010
0.020
b
1
a1
e
b
0.1
0.25 0.004
1.65
E
e3
D
0.65
0.35
0.19
0.25
0.85 0.025
0.48 0.014
0.25 0.007
0.50 0.010
45° (typ)
M
5
8
b1
C
F
0.50
1
4
c1
D
4.8
5.8
5.0
6.2
0.189
0.228
0.197
0.244
E
e
1.27
3.81
0.050
0.150
e3
F
3.8
0.4
4.0
0.15
0.157
0.050
0.024
L
1.27 0.016
0.6
M
S
8° (max)
PACKAGE FOOT PRINT
SO-8
6.8
0.6
4.2
1.27
7/8
ACS102-5Tx
PACKAGE OUTLINE MECHANICAL DATA
TO92 Plastic
DIMENSIONS
Millimeters
Min. Typ. Max. Min. Typ. Max.
REF.
Inches
A
a
A
B
C
D
E
F
a
1.35
0.053
4.70
0.185
B
C
2.54
0.100
4.40
0.173
0.500
12.70
F
D
E
3.70
0.45
0.146
0.017
Ordering type
ACS102-5TA
Marking
ACS102
ACS102
ACS102
Package
Weight
Base qty
2500
Delivery mode
Bulk
TO92
TO92
SO-8
0.2g
0.2g
ACS102-5TA-TR
ACS102-5T1-TR
2000
Tape & reel
Tape & reel
0.11g
2500
TM: ASD and ACS are trademarks of STMicroelectronics .
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 1999 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia
Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
8/8
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