Circuits

National Semiconductor Introduces New SolarMagic ICs for Microinverter, Power Optimizer and Charge Controller Systems

Renewable Energy Grade ICs Reduce Photovoltaic System Cost, Improve Reliability and Simplify Design Santa Clara, Calif. - National Semiconductor Corp. (NYSE:NSM) today introduced ten new SolarMagicTM integrated circuits (ICs), the first in a series developed to reduce cost, improve reliability and simplify design of photovoltaic (PV) systems. Ranging from the industry's first full-bridge gate...

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Clock and Data Recovery ICs support 100 Gbps networks.

Supporting implementation of 100 Gbps Ethernet optical transceivers, Models GN2425 and GN2426 handle 25 Gbps data streams within pluggable fiber optic modules, line cards, and direct-attach copper cables. Devices enable OIF CEI-28G-VSR retimed interfaces by compensating for losses in data transmission and by resetting jitter budget. While GN2425 provides optimal output jitter performance for...

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Magnetic Rotary Encoder (10-Bit) conserves battery power.

Magnetic Rotary Encoder (10-Bit) conserves battery power.

Featuring automatic power-down and wake-up modes, AS5050 operates from 3.3 V power supply and is used for contactless position sensing. Single-chip solution integrates 4 Hall sensor elements, one 10-bit angle encoder, one smart power management controller, and one 3- or 4-wire SPI communications interface in one 4 x 4 mm QFN-16 package. Depending on readout rate, current consumption is reduced to...

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ADCs provide double data rate LVDS digital outputs.

ADCs provide double data rate LVDS digital outputs.

Housed in 6 x 6 mm and 9 x 9 mm QFN packages, 12-bit Model LTC2152-14 and 14-bit Model LTC2157-14 are single and dual channel simultaneous sampling ADCs, respectively. Operating from single 1.8 V supply, Model LTC2157-14 consumes 303 mW/channel at 250 MS/sec with SNR performance of 70 dB and SFDR of 90 dB at baseband with 1.5 Vp-p input range. Analog full power bandwidth of 1.25 GHz and ultralow...

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Coherent Mixer integrates multiplexer/demultiplexer.

Coherent Mixer, a key component required at signal receiver in optical digital coherent scheme, is integrated with polarization multiplexer/demultiplexer, resulting in compact device that eliminates characteristics degradation at connected part. Designed for ultra-high bit rate 100 Gbps digital coherent transmission, device features loss uniformity of 1 dB or better, low skew of 1 psec or better,...

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Step-Down Regulators feature integrated NexFET(TM) MOSFETs.

Suited for telecommunications and networking applications, SWIFT(TM) TPS56221 and TPS56121 provide greater than 90% efficiency at 25 A and 15 A peak load currents, respectively, from input voltage range of 4.5-14 V. Switchers offers 3 selectable frequencies of 300 kHz, 500 kHz, and 1 MHz for design flexibility. Housed in thermally enhanced 5 x 6 mm QFN package, units achieve total solution size...

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Driver ICs offer optimized signal integrity capabilities.

In addition to PCIe 5 Gbps applications, 5904 and 5964 ReDriver(TM) ICs can operate in non-protocol-specific or proprietary-protocol applications. Optimized for output drive capability, ICs come in LBGA package (5904) with programmable settings of transmit and receive equalization and output swing via both external pin strapping and IÂ-²C/SM bus programming or TQFN package (5964) with...

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PWM Controller ICs suit AC-DC adapter applications.

PWM Controller ICs suit AC-DC adapter applications.

Housed in SOIC-7 package, Models NCP1234 and NCP1236 allow offline power supplies to be designed into systems. Units integrate over-power and ramp compensation without increasing power dissipation or adding external components. Dynamic Self-Supply technology enables direct connection to line voltage, eliminating need for startup resistors. Available in 2 frequency options of 65 or 100 kHz, ICs...

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