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ST rolls out 600V intelligent power modules

Posted: 26 Nov 2015 ?? ?Print Version ?Bookmark and Share

Keywords:STMicroelectronics? power module? appliance? IGBT?

STMicroelectronics has introduced 600V intelligent power modules that promise to boost the efficiency and reliability of motor drives in compressors, pumps, fans, and other domestic and industrial appliances. Aimed at drives working up to 20kHz in hard-switching circuits, the modules enable an increase in energy efficiency over a range of application power outputs from 300W to 3kW, stated the company.

The devices build on the success of ST's SLLIMM family of dual-in-line modules. These provide a direct connection between a low-voltage MCU and a mains-powered electric motor, replacing up to 10 active components. The SLLIMM 2nd series offers higher performance, increased collector current range, and additional package-technology options that can further reduce the cost of the application by enabling the use of smaller heatsinks.

The SLLIMM 2nd series features an internal configuration with only two drivers, one high-side driver and one low-side driver, and dedicated trench-gate field-stop IGBTs, resulting in a remarkable compromise between conduction and switching losses, along with outstanding robustness and EMI behaviour, stated the company.

SLLIMM 2nd series

The power modules feature up to 35A maximum collector current at 25C; fully moulded and DBC dual-in-line (38mm x 24mm) pin-compatible package options; low thermal resistance (Rth) for the DBC package versions; internal bootstrap diode to reduce BOM and simplify layout; 175C maximum operating junction temperature; 1.5kVrms minimum isolation (no opto-coupler required); low VCE(sat); and low EMI.

In addition, the devices flaunt separate open emitter outputs to simplify PCB routing for single- and three-phase applications; built-in temperature sensor and negative temperature coefficient (NTC) option; comparator for fault protection; shutdown input/fault detection output; and two pin-out and two lead-frame options.

Most of the devices in ST's SLLIMM 2nd series are in full production, with pricing starting at $9.5 in quantities of 1,000 units.

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