Tech news tagged ‘Linear’

Op amp runs off 140V supply

Linear Technology’s latest precision operational amplifiers can be operated on a supply voltage up to 140V (±70V).

The dual LTC6091 features separate output disable pins, making it useful in high voltage multiplexed applications.

The decompensated single LTC6090-5 amplifier offers higher speed and is stable at a gain of…

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DC-DC converter in a BGA has 2kV isolation

Linear Technology has introduced a 2.5W output DC/DC converter with 2kVAC galvanic isolation in a 9x15x4.92mm ball grid array (BGA) package.

The isolated transformer, control circuitry, power switches, and a modest amount of input and output capacitance are encased in the BGA package.

A minimum creepage distance…

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Bi-directional 3MHz dc-dc charges Li-ion and supplies 5V

Aimed at devices that can both be charged from USB, and supply 5V through the same connector for USB on-the-go (OTG), Fairchild has released a bidirectional dc-dc converter.

FAN54015 is a 3MHz synchronous converter, capable of supplying 1.45A to the cell at a programmable float from…

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Hybrid car batteries get new data interface

A new data interface for battery management systems has been designed to provide interference immunity and to support distributed battery systems, writes Jon Munson from Linear Technology.For reliability of battery packs being designed into hybrid electric vehicle drive-trains, an important factor is the electronics employed in the battery…

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ADI reference board combines FPGAs and 14-bit ADCs

The latest addition to a range of FPGA-based reference design boards from Analog Devices is the AD9250-FMC-250EBZ includes JEDEC JESD204B standard data converters providing four 14-bit A/D converter channels at 250MSPS in an FMC-compliant form factor.

The two on-board AD9250 A/D converters…

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Semikron gate driver for parallel IGBTs

Semikron’s latest gate-drive unit is designed for use with interleaved, multilevel and parallel IGBT circuits.

The Skyper 42 LJ is a dual-channel IGBT driver unit for 600V, 1,200V and 1,700V IGBT modules.

It controls IGBT modules up to 1,000A with an output current of…

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LEM current transducers measure 150A (rms)

LEM has introduced the LA 130-150 series of current transducers for use in motor drives, inverters, power supplies and general industrial applications.

The PCB-mounted devices will measure nominal full-scale currents of 130 and 150A (rms).

The LA 130-150 series measures DC, AC, and pulsed currents, providing…

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Maxim gauges Li-ion cells without coulomb counting

Altera details 0.35µm CPLD Richard Wilson Altera continues to up the technology specifications in the complex programmable logic (CPLD) market with details of its first 0.35µm four layer metal device, which it claims will support densities up to 250,000 gates. While admitting that the large…

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Linear power chip has eight regulated channels

Linear Technology’s latest power management IC for low voltage power supplies has eight independent 1A channels with I2C control, sequencing and fault monitoring in a QFN package.

Each channel has a synchronous step-down regulator with independent 2.25V to 5.5V input supply and an output voltage range…

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Electronica: 2% LDO from Advanced Power

Advanced Power Electronics has announced a linear voltage regulator with better than 2% initial voltage accuracy. “The APU1205-3 family features a low drop-out voltage and low ground current and is targeted at handheld battery powered applications,” claimed the firm.  Drop-out is 270mV at 300mA or 170mV at…

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