ACS402-5SB4 データシートの表示（PDF） - STMicroelectronics
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ACS402-5SB4 Datasheet PDF : 7 Pages
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ACS402-5SB4
AC LINE SWITCH BASIC APPLICATION
The ACS402 device is well adapted to washing machines, dishwashers, tumble driers, refrigerators, water
heaters and cookware. It has been designed especially to switch ON and OFF low power loads such as so-
lenoids, valves, relays, micro-motors, pumps, fans, door locks and low power lamp 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 the resistor
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 protec-
tion device are required between the gates and common terminals.
In appliance systems, this ACS™ switch intends to drive low power load in full cycle ON / OFF mode. The
turn off commutation characteristics of these loads can be classified in 3 groups as shown in Table 1.
Thanks to its thermal and turn-off commutation performance, each switch of the ACS402 is able to drive
an inductive or resistive load up to 0.2 A with no additional turn-off snubber.
Table 1: Load grouping versus their turn off commutation requirement (230V AC applications).
LOAD
POWER
(VA)
Door lock Bulb
< 40
Lamp
Relay Valve
< 20
Dispenser
Micro-motor
Solenoid
Pump Fan
< 40
(*): Measured with an ACS402 switch
POWER
FACTOR
1
> 0.7
RMS LOAD
CURRENT
(A)
< 0.2
< 0.1
(dIOUT/dt)c
(A/ms)
< 0.1
< 0.05
(dVOUT/dt)c
(V/µs)
< 0.15
<2
> 0.2
< 0.2
< 0.1
< 10
TYPICAL APPLICATION DIAGRAM
L
MAINS
VALVE / DISPENSER DOOR LOCK
N
RELAY
PUMP/FAN
M
OUT1
OUT2
OUT3
OUT4
S1
S2
S3
S4
ACS402
ON
D1
ON
D2
ON
D3
ON
D4
COM
G1
G2
G3
G4
PA0
PA1
PA2
PA3
Vcc
Vss
ST72 MCU
3/8
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