High Voltage-Input LDO Regulators for Harsh Environments
Texas Instruments has introduced a family of high voltage-input low-dropout linear regulators designed to withstand the requirements for harsh operating environments. The new devices offer a wide input voltage range of up to 45 V, providing transient protection for applications such as automotive body controllers, instrument clusters, automotive audio and telematics.
Eight new mid-power DC-DC converters from Vicor
Vicor has added eight mid-power Maxi DC/DC converters to its 375Vdc input family: a 200W model at 3.3Vout, a 300W model at 5Vout, and 400W models at 12, 15, 24, 28, 36, and 48Vout. The modules — which incorporate Vicor’s patented low-noise Zero-Current and Zero-Voltage Switching (ZCS/ZVS) — are appropriate for off-line systems with auto-ranging or PFC front ends in industrial or process control, distributed power, medical, ATE, communicati...
Reference Design Kit for Energy-Efficient Charger/Adapter
Power Integrations has introduced a reference design kit for an energy-efficient charger/adapter based on its LinkSwitch-LP family of integrated circuits with EcoSmart technology. The new reference design kit (RDK-83) reduces no-load power consumption by 79 percent compared to existing linear solutions, and features a constant-voltage (CV) charger circuit capable of withstanding 10 kV common-mode / 2 kV differential-mode surges.
28V synchronous buck power converter has wide input range
Semtech Corp has announced the SC4612, a 28V synchronous buck power converter with a wide input range and a programmable 1.2 MHz frequency for compact power supply designs. It is a voltage-mode synchronous, PWM controller that operates in a 4.5V to 28V input voltage range and drives external N-channel MOSFETs.
20W Power Supplies in Industry Standard Footprint are Ideal “Drop-in” Replacements
SL Power Electronics Corporation, the company established following the merger of Condor DC Power and Ault, announces a new family of 20W internal power supplies designed as high value “drop-in” replacements for industry standard units. The Condor GECA20 combines affordable pricing with high performance and reliability, design and compliance with safety standards.
Single-Cell High Current Li-Ion / Li-Polymer Charge Management Controllers
Microchip has announced the MCP73833 and MCP73834 single-cell, high current (1A), Li-Ion/Li-Polymer linear charge-management controllers. These fully integrated devices combine several key charge-management and safety features in a single chip for reliable charging of high-capacity single-cell Li-Ion and Li-Polymer batteries.
Small switching POL regulators
Expanding its point of load (POL) range of DC/DC regulators, Ericsson Power Modules has introduced two POLA devices that are amongst the smallest switching POL regulators available, and provide high efficiency and a host of features for ‘real needs’ applications at low cost.
High efficiency pure sine wave inverters
Schaefer has introduced the AEP-1500 Series of 1500W, low cost, high efficiency, pure sine wave inverters. The “clean” pure sine wave output of the AEP-1500 Series, with less than 3% total harmonic distortion, is ideal for powering sensitive loads and for improving AC equipment performance.
Digital Signal Controller Handles Up To 16 DC/DC Converters
Texas Instruments has announced the availability of the TMS320F28044 digital signal controller targeted at multi-channel point of load applications such as telecommunications and networking infrastructure equipment, servers, laptop computers, and industrial equipment. The new F28044 controller is the industry's only device to offer the ability to manage up to 16 DC/DC converter channels using a single programmable controller with 100 MIPS of DSP ...
Digital Audio Amplifier Power Stage is first to Drive more than 300W on a Single Channel
Texas Instruments has introduced two new PurePath DigitalT power stages. The TAS5261 provides OEMs with the industry's highest power single-chip digital amplifier power stage, capable of driving more than 300 watts (W) into a 4-ohm speaker, while the two-channel TAS5162 digital amplifier power stage can drive 200 W per channel at 6 ohms and 125 W at 8 ohms. The devices enable higher efficiency and sound quality in a variety of audio applications,...