ACS402-5SB4(1999) Просмотр технического описания (PDF) - STMicroelectronics
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ACS402-5SB4 Datasheet PDF : 6 Pages
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ACS402-5SB4
AC LINE SWITCH BASIC APPLICATION
The ACS402 device is well adapted to washing machine, dishwasher, tumble drier, refrigerator, water
heater and cookware. It has been designed especially to switch ON and OFF low power loads such as so-
lenoid, valve, relay, micro-motor, pump, fan, door lock and low wattage lamp bulb.
Pin COM:
Common drive reference to connect to the power line neutral
Pin G:
Switch Gate input to connect to the digital controller
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. Note that no
protection device (zener or capacitors) should be added between gates and common terminals.
In appliances 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 performances, 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
Door lock Lamp
Relay Valve
Dispenser
Micro-motor
Pump Fan
IRMS
(A)
< 0.3
< 0.6
< 0.1
< 0.2
< 0.6
POWER
FACTOR
1
1
> 0.7
> 0.2
> 0.2
(dI/dt)c
(A/ms)
0.15
0.4
< 0.05
< 0.1
< 0.3
(dV/dt)c
(V/µs)
0.15
0.15
<5
< 10
< 10
TURN-OFF
DELAY
(ms)
< 10
< 20
< 10
< 10
< 20
TYPICAL APPLICATION DIAGRAM
VALVE / DISPENSER DOOR LOCK
L
MAINS
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
3/6
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