ACST4358(2014) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ACST4358 Datasheet PDF : 14 Pages
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Application information
2
Application information
ACST4
2.1
Typical application description
The ACST4 device has been designed to control medium power load, such as AC motors in
home appliances. Thanks to its thermal and turn off commutation performances, the ACST4
switch is able to drive an inductive load up to 4 A with no turn off additional snubber. It also
provides high thermal performances in static and transient modes such as the compressor
inrush current or high torque operating conditions of an AC motor. Thanks to its low gate
triggering current level, the ACST4 can be driven directly by an MCU through a simple gate
resistor as shown Figure 16 and Figure 17.
Figure 16. Compressor control – typical diagrams
Compressor
Compressor
AC Mains
PTC
ACST
Electronic
starter
1 logical circuitry
ACST
Electronic
thermostat
Rg
Power supply
Gate
Driver
Compressor with integrated e-starter
AC Mains
PTC
Run
switch
ACST
ACST
Start
switch
Rg
Rg
Power supply
Gate
Driver
Compressor with external electronic drive
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DocID8766 Rev 6
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