Infineon adds two industrial-grade CoolGaN devices
CoolGaN devices from Infineon now include the CoolGaN 400V and the CoolGaN 600V. The CoolGaN 400 V device (IGT40R070D1 E8220) is for premium hi-fi audio systems in place of bulky linear or tube amplifiers. The CoolGaN 400V switch is a class D output stage.
The CoolGaN 600V industrial-grade device (IGLD60R190D1) enables performance and cost optimisation for low- and mid-power applications, such as in the area of low-power SMPS and telecomms rectifiers, advises Infineon. Every product within the Infineon CoolGaN family meets JEDEC standards.
The CoolGaN 400V switch enables smoother switching and more linear Class D output stage by offering low/linear C oss, zero Q rr, and normally-off switch, explains the company. Ideally, Class D audio amplifiers offers zero per cent distortion and 100 per cent efficiency but linearity can be impaired by, and power loss depends on, the switching characteristics of the switching device. Infineon’s CoolGaN introduces zero reverse recovery charge in the body diode and very small, linear input and output capacitances.
To simplify the design, Infineon pairs the CoolGaN 400 V device in an HSOF-8-3 (TO-leadless) package with a popular Class D controller (IRS20957STRPBF) in an evaluation board.
Infineon’s CoolGaN 600V portfolio now includes a 190mOhm, industrial-grade HEMT (high-electron-mobility transistor). This was developed to fit any consumer and industrial application at a competitive price to lower the technology entry barrier. Easy design-in is supported with a standardised DFN 8×8 packaging and the matching driver ICs from the GaN EiceDriver series.
The CoolGaN 400V (IGT40R070D1 E8220) and the CoolGaN 600V (IGLD60R190D1) devices can be ordered now. The evaluation board will be available for order in February, 2020.