Electronic Design News

42V, 2.5A Step-Down DC/DC Converter

Linear Technology Corporation announces the LT8610, a 2.5A, 42V input capable synchronous step-down switching regulator. Synchronous rectification delivers efficiency as high as 96% while Burst Mode® operation keeps quiescent current under 2.5µA in no-load standby conditions. The LT8610’s 3.4V to 42V input voltage range makes it ideal for automotive and industrial applications. Its internal 3.5A switches can deliver up to 2.5A of continuous output current to voltages as low as 0.97V. The...

Digital Controller for Isolated Power Supplies

The UCD3138 is a digital power supply controller from Texas Instruments offering superior levels of integration and performance in a single chip solution. The flexible nature of the UCD3138 makes it suitable for a wide variety of power conversion applications. In addition, multiple peripherals inside the device have been specifically optimized to enhance the performance of ac/dc and isolated dc/dc applications and reduce the solution component count in the IT and network infrastructure space....

PowIRaudio Integrated Power Modules

International Rectifier today introduced the PowIraudio™ family of integrated power modules for high performance home theater systems and car audio amplifiers. The new devices integrate a PWM controller and two digital audio power MOSFETs in a single package to offer a highly efficient, compact solution that reduces component count, shrinks PCB size up to 70 percent and simplifies Class D amplifier design.

The combination of an advanced audio controller IC with MOSFETs fully optimized for...

PSoC® Power Supervision Expansion Board Kit

The Power Supervision Expansion Board Kit (EBK) supports:

• Rapid fault detection capabilities for high-availability systems
• Accurate and reliable power rail sequencing of both power-on and power-off for four different power converters
• Voltage and current monitoring of four different power converters
• Trimming for closed-loop control of the power converters
• Margining of power converters for developmental test purposes
• EEPROM based data logging capabilities
• I2C/SMbus/PMbus host...

Integrated Power Management IC

The TPS65910 is an integrated power-management IC available in 48-QFN package and dedicated to applications powered by one Li-Ion or Li-Ion polymer battery cell or 3-series Ni-MH cells, or by a 5-V input; it requires multiple power rails. The device provides three step-down converters, one step-up converter, and eight LDOs and is designed to support the specific power requirements of OMAP-based applications.

Two of the step-down converters provide power for dual processor cores and are...

600mA µModule Step-Down Regulator

Linear Technology Corporation introduces the LTM8029, a 5µA quiescent current DC/DC step-down µModule® regulator with very low dropout voltage and a wide input and output voltage range of operation. Capable of delivering up to 600mA, the LTM8029 prolongs battery run time due to two key features: (1) 5µA quiescent current consumption during standby mode and only 0.9µA in shutdown discharges very little current from the battery, (2) very low 0.6V dropout (at 600mA) conversion permits longer...

PCB Power Management Architecture

Lattice Semiconductor Corporation announced a scalable, in-system upgradable, star topology power management architecture that can be used across a wide range of circuit boards requiring more than 12 power supply rails. Lattice has simultaneously made available two new application notes for its award winning Platform Manager™ devices that will enable customers to quickly adopt the new architecture.

“The number of power supply rails in a circuit board has been steadily increasing,” said...

Multiple-Output Regulator

Allegro MicroSystems, Inc. announces a fixed frequency, multiple-output supply for LCD display bias. The A8601 is Automotive Grade AEC Q-100 qualified and targets infotainment applications. It has a rich feature set that includes five regulated outputs from one low-voltage supply. The device was designed to address the need for a robust, automotive solution that uses fewer components than existing solutions, while providing higher efficiency power conversions.

Its switching frequency can be...