Power

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Robust current sensing IC improves system efficiency

Robust current sensing IC improves system efficiency
Increasing overall system efficiency and saving space in high current applications, a robust general purpose current sensing IC has been introduced by International Rectifier. The IR25750 uses the Rds(on) of a power MOSFET or the VCE(on) of an IGBT to measure current, eliminating the need for large external current sensing resistors.
24th March 2014

Digital PWM controllers for next-gen computing platforms

Digital PWM controllers for next-gen computing platforms
Significantly improving efficiency and reducing board space and component count, International Rectifier has launched highly versatile, PMBus enabled, CHiL digital PWM controllers and integrated PowIRstage solutions. These are suitable for a variety of mid-range to high-end server, desktop and computing applications.
20th March 2014

Space-saving packages for regulator transistors

Space-saving packages for regulator transistors
Designed for 48V circuits in networking, telecomms and PoE equipment, Diodes Incorporated announce new space-saving package options for its ZXTR2000 series of high-voltage linear regulator transistors. Device inputs are actually tolerant up to a maximum of 100V, meaning all regulator transistors offer plenty of headroom in the event of transient over-voltage conditions.
20th March 2014


Small load switch features very low on-resistance

Small load switch features very low on-resistance
Featuring controlled turn on and very low on-resistance, the APE8937-HF-3 load switch has been announced by Advanced Power Electronics. The load switch contains one N-channel MOSFET that can operate over a wide input voltage range of 0.8-5.5V and support a maximum continuous current of up to 4A.
20th March 2014

Reference design for universal-input auxiliary power supply

Reference design for universal-input auxiliary power supply
Based on a member of Power Integrations’ LinkZero-LP family of ICs, the DER-417 reference design has been announced by Power Integrations. This reference design is for an 8W, universal-input auxiliary power supply that achieves zero standby power consumption for appliance applications.
20th March 2014

2W DC/DC converter offers 50% smaller footprint

2W DC/DC converter offers 50% smaller footprint
Believed to be the industry’s smallest 2W converter, the MTU2 series of ultra miniature surface mounted 2W DC/DC converters have been announced by Murata. Measuring just 8.2x8.4x8.5mm with a 0.69cm2 footprint, it is 50% smaller than the current 1.67cm2 industry standard. Load regulation is typically 5% better than other products available on the market, reducing the need for any additional regulation components.
20th March 2014

Switching regulators increase mobile device battery life

Switching regulators increase mobile device battery life
Enabling improved efficiency for high current designs in a small form factor, Intersil has announced what the company claims is the industry’s first high-current buck-boost and boost switching regulator family in a tiny, integrated CSP package. The ISL91110, ISL91108 and ISL91117 regulators offer up to 96% efficiency to extend battery life and reduce overheating in high-current handheld devices.
20th March 2014

Intersil focus on power management

Intersil has announced plans to focus on power management solutions for applications ranging from cloud computing to mobile devices. Leveraging the company’s deep technology portfolio and strong track record of innovation, Intersil's next wave of products will address the most challenging power management issues in systems today, including efficiency, battery life, reliability and intelligence.
20th March 2014

Audio converter IP includes voice detection feature

Dolphin Integration announce the launch of sCODp-MT1-VD.02, a voice-oriented converter supporting both analog and digital microphones. It offers high dynamic range over gain range on ADC of 105dB and motor and wind noise filters to reduce the environment disturbance and enhance the voice recognition quality.
19th March 2014

Advanced digital power controller features PMBus interface

Advanced digital power controller features PMBus interface
Utilising the company's high-resolution, high-speed ADC sensing technology and proprietary non-linear transfer functionality, the ADP1055 has been announced by Analog Devices. This advanced digital power controller with PMBus interface achieves high-bandwidth performance and transient response equivalent to traditional analog switching controllers.
19th March 2014


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