New pair of dc/dc converters with respective 5 and 3.3-V outputs are said to deliver 95% in eighth-brick-format. The 40-A-class PKB4211D and PKB4110D target high-end and high-power Information and Communication Technologies (ICT) industry applications. The supplies can handle airflow-limited environments because of their industry-leading thermal performance at 85°C ambients. Developed by Ericsson, the PKB4211D and […]
Controllers
Wide input range, no RSENSE current mode boost, flyback & SEPIC controller operates up to 175°C
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC1871X, a wide input range, current mode, boost, flyback or SEPIC controller that drives an N-channel power MOSFET and requires few external components. Intended for low to medium power applications, it eliminates the need for a current sense resistor by utilizing the power MOSFET’s […]
OR’ing MOSFET controller supports power supplies up to 400V
Extending the capability to support redundancy power systems with rail voltages up to 400V, the ZXGD3112N7 active OR’ing MOSFET controller introduced by Diodes Incorporated, builds on a successful design employed in previous 40V and 200V devices. A low turn-off threshold voltage enables very low RDS(on) MOSFETs to operate as ideal diodes, providing a highly efficient […]
Stand-alone quasi-resonant flyback controller and integrated power IC optimized for efficient ac/dc converter use
Infineon Technologies AG introduces the fifth generation of the stand-alone quasi-resonant flyback controller and integrated power IC CoolSET™ family. The latest development in this family of devices offers improved efficiency, faster startup, and better overall performance under varying load conditions. The new ICs are especially designed for AC/DC switch mode power supplies in a great […]
+48V hot swap controller provides protection against system faults and system resets
Analog Devices, Inc. announced the availability of the ADM1272, an innovative +48V hot swap controller and PMBus™ power monitor. Designed for high-voltage system control up to 80V, the ADM1272 provides reliable plug-in board protection in mission critical systems, such as servers and communication equipment. Advanced system control and board power monitoring provide superior protection against system […]
PWM controllers with integrated 5 kV isolation and true secondary side isolation
Analog Devices, Inc. announced a series of three isolated pulse width modulation (PWM) controllers with integrated 5 kV isolation enabled by ADI’s award-winning iCoupler® technology. The ADP1071-1 and ADP1071-2 are isolated synchronous flyback controllers and the ADP1074 is an isolated synchronous active clamp forward controller. By integrating multiple functions such as overvoltage protection (OVP), output tracking, […]
Digital multiphase controllers power Intel Skylake CPUs and DDR4 memories
STMicroelectronics’ new PM6773 and PM6776 step-down controllers meet demands for more accurate and energy-efficient power delivery in servers and data centers using the latest low-voltage, high-current microprocessors, ASICs, and field-programmable devices. In particular, the new ICs are designed to power Intel Skylake CPUs and DDR4 memories, extending ST’s family of digital step-down controllers for Intel […]
Iintegrated multiphase bidirectional DC/DC current controller works with 12/48-V vehicle systems
Texas Instruments introduced the industry’s first fully integrated multiphase bidirectional DC/DC current controller, which efficiently transfers electric power greater than 500 W per phase between dual 48-V and 12-V automotive battery systems. The highly integrated LM5170-Q1 analog controller features an innovative average current-mode control method that overcomes the challenges of today’s high-component-count, full digital control […]
Circuit protection controller replaces fuses, transient voltage suppressors and discrete circuitry
Linear Technology Corporation introduces the LTC4368, a circuit protection controller ensuring safe voltage and current levels for 2.5V to 60V electronics in battery-powered automotive, industrial and portable systems. The LTC4368 replaces fuses, transient voltage suppressors and discrete circuitry, enabling a compact and comprehensive solution for shielding electronics from damaging overcurrent and over-, under- and reverse-voltage […]
Top power electronics threads on EDAboard.com – February
(editor’s note: Intrigued by these power electronics problems? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the power electronics forum thread.) Circuit to detect 240 or 380 V AC – I need to make a circuit that can […]