Infineon Technologies has introduced a cost-optimised alternative to MOSFETs (metal-oxide semiconductor field-effect transistors) typically used in electronic lamp ballasts (ELB) for fluorescent tubes, claimed to allow a 1-to-1 replacement at approximately a 15% lower price with same functionality. Compared to conventional magnetic lamp ballasts, use of the ELBs can reduce the power consumption of lighting systems by up to 25% annually, says Infineon. The new member of its IGBT (insulated gate bipolar transistor) product family, the new LightMOS IGBT, is intended for use in ballast inverters as a 600 V blocking power switch and is optimised for switching frequencies between 40 and 60 kHz.
The LightMOS IGBTs, which are the first in the industry to have powerful monolithically integrated reverse diodes, exhibit the low power losses of a MOSFET and the low temperature dependency of an IGBT. This makes lamp ballast design easier, faster and more cost-effective. Improved reliability is achieved due to the characteristic IGBT temperature behaviour, which has less risk of the thermal runaway that is a critical consideration with MOSFETs. In addition, the LightMOS IGBTs combine Infineon's FieldStop technology with a Trench cell (TrenchStop technology) for low conduction and switching losses, and can be applied much closer to its specification limits.
Infineon says that the advantages of TrenchStop technology include an exceptional ruggedness and short-circuit withstanding capability, increased reliability, and low EMI. The FieldStop structure within the power devices ensures a significant reduction in the tail current that occurs during turn-off switching, and the Trench cell limits conduction losses to a minimum due to extremely low saturation voltage. As a result, considerably less heat is generated.
The LightMOS IGBTs are available in DPak and D2Pack packages.
The importance of power integrity Spectrum Concepts
Power Electronics / Power Management
[Sponsored] Behind every high-speed system lies the need for power integrity. Without it, even the cleanest signal paths become compromised.
Read more...Precise multi-vital sign monitoring Future Electronics
Power Electronics / Power Management
The AS7058 by ams OSRAM is an integrated multi-vital sign monitoring device, which provides a complete photoplethysmogram, electrocardiogram, body impedance sensor, and electrodermal activity sensor.
Read more...Automotive battery diagnostics tester Comtest
Power Electronics / Power Management
Midtronics’ MVT handheld battery tester is a revolutionary tool, powered by MDX-AI, which is set to redefine the standards of battery diagnostics and testing in the automotive industry.
Read more...Advanced 3-phase controllers Future Electronics
Power Electronics / Power Management
The STSPIN32G0 by STMicroelectronics is a family of highly integrated system-in-package providing solution suitable for driving three-phase brushless motors.
Read more...Converting high voltages without a transformer Altron Arrow
Editor's Choice Power Electronics / Power Management
With appropriate power converter ICs, such as the LTC7897 from Analog Devices, many applications can be suitably powered without having to use complex and cost-intensive transformers.
Read more...Reliable power for demanding applications Conical Technologies
Power Electronics / Power Management
The Mibbo Power MTR480 three-phase DIN-rail power supply is engineered to meet stringent industrial automation requirements, offering dependable performance in environments where downtime is not an option.
Read more...Powering performance and precision Future Electronics
Power Electronics / Power Management
onsemi’s innovative T10 series MOSFETs, available in 40 V and 80 V versions, are designed for high-efficiency, fast-switching, and power-dense applications.
Read more...Programmable flyback switcher ICs Future Electronics
Power Electronics / Power Management
Power Integrations has announced the release of the InnoSwitch5-Pro family of programmable flyback switcher ICs, which offer more than 95% efficiency in streamlined AC-DC converter designs.
Read more...Multilayer chip beads with 8 A rating RS South Africa
Power Electronics / Power Management
TDK Corporation has expanded its MPZ1608-PH series of large-current multilayer chip beads for automotive and commercial power supply lines.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
printer friendly version