STEVAL-IHT003V2: Low Loss E-Starter for Compressor Starter Motor

Summary

The STEVAL-IHT003V2 evaluation board represents an innovative solution patented by STMicroelectronics to reduce the power losses caused by positive temperature coefficient (PTC) resistors in compressor starter circuits.

The solution features an ACST6 AC switch device to turn off the PTC current after motor start-up; note that the traditional PTC is still used in the electronic starter circuit as it increases circuit safety for AC switch short-circuits or diode mode failure (ref. EN60335-1).

The design reduces starter standby losses from (typ.) 2.5 W to 380 mW for 230 V applications, or 2.5 W to 40 mW for 100 V applications.

Before using the board with a compressor, the PTC behavior must be checked (especially VPTC1 and VPTC2 levels) and different R4 resistor values may be required.

Specifications

Manufacturer	STMicroelectronics
Category	Other Solutions
Eval Board Part Number	497-17133-ND
Eval Board Supplier	STMicroelectronics
Eval Board	Normally In Stock
Purpose	Low Loss E-Starter for Compressor Starter Circuits
Design Author	STMicroelectronics
Application / Target Market	Automotive Factory Automation Motor Control White Goods
Main I.C. Base Part	ACST6
Date Created By Author	2017-01
Date Added To Library	2018-10