Power Supervisors with Battery Backup, Chip-Enable Gating and Power-Fail Warning

September 25, 2007 7:22 am | Product Releases | Comments

Maxim Integrated Products’ MAX16033-MAX16040 low-power, microprocessor supervisory circuits with precision power-supply monitoring and battery control functions are optimized for performance in space-saving 2 mm × 2 mm microDFN packages. These supervisory circuits feature a microprocessor reset, battery backup switchover, power-fail warning, and chip-enable gating, thereby reducing the complexity and number of components for power-supply monitoring.


Voltage Supervisor Monitors 27 Unique Voltage Thresholds Without External Resistors

September 25, 2007 7:12 am | Product Releases | Comments

Linear Technology introduced the LTC2915, a single voltage supervisor with 27 unique pin-selectable thresholds. A single LTC2915 can easily be configured to meet different monitoring tasks in applications ranging from network servers monitoring 12V to low-voltage portable equipment. The 27 selectable thresholds are specified with an overall accuracy of ±1.5 percent without the need for 0.1 percent external resistors.


Efficient, 2.5 MHz Synchronous Buck Regulator for Light Load Operation

September 24, 2007 12:52 pm | Product Releases | Comments

Productive Product: Micrel launched the MIC2238, a 2.5 MHz dual 800 mA synchronous buck (step-down) regulator housed in a 3 mm × 3 mm MLF package. Its unique switching architecture scheme, Trickle Mode, enables desirable light load efficiency for Li-Ion battery powered systems that require maximum efficiency in order to prolong use. The MIC2238 is appropriate for portable applications including cellular phones, portable media players, WiMax modules, GPS systems, digital still and video cameras.


Low Noise Block Satellite Controllers

September 24, 2007 12:33 pm | 3M Electronics Solutions Division | Product Releases | Comments

Integrating all bias, control and power management functions into a single chip, the latest low noise block (LNB) satellite controllers from Zetex Semiconductors help achieve LNB size reductions of up to 30 percent, according to the company. Three LNB controllers have been introduced: The ZXNB4100 (negative volt bias) and ZXNB4200 (zero volt bias) for single universal LNBs with FET switching topologies, and the ZXNB2200 for C-band LNB designs.


Dual-Output Buck Controller for Notebook Peripheral Computing Applications

September 24, 2007 9:30 am | Product Releases | Comments

Intersil Corporation announced ISL6228 high-performance dual-output buck controller for notebook peripheral computing applications. Featuring the company’s R3 Technology this controller provides desirable transient response, switching efficiency and design flexibility. The device is capable of operating a wide input voltage range (3.3V to 25V) and has a flexible output voltage range from +0.6 V to+5.0V.


8-bit Microcontroller Family Designed for Low-Cost, Low-Power and High-Performance Operation

September 19, 2007 4:57 am | Microchip Technology Inc. | Product Releases | Comments

Microchip Technology Inc announced the first eight members of the PIC18F high-performance 8-bit microcontroller family. To control power consumption, the 28-, 40- and 44-pin microcontrollers provide nanoWatt Technology features that include power-managed modes, an operating voltage range of 1.8V to 3.6V and efficient on-chip peripherals.  Additionally, speeds of 16 MIPS (64 MHz) can be achieved at 3V operation from the internal oscillator, offering high performance while maintaining low power consumption.


Precision Amplifier Family Enables Low Input Voltage Noise

September 18, 2007 4:59 am | Product Releases | Comments

National Semiconductor Corporation introduced two precision operational amplifiers (op amps) that offer the industry’s lowest input voltage noise and highest accuracy for products operating at low frequencies and low supply voltage, according to the company. Target applications include industrial and scientific weight scales, pressure sensors and other low ohmic sensor systems. The LMP7731 single and LMP7732 dual precision op amps provide low input voltage noise of 2.9 nV/sqrt Hz with a


PCI Express GEN 2 Switch Family

September 17, 2007 5:12 am | Product Releases | Comments

PLX Technology, Inc. introduced ExpressLane PCIe Gen 2 switches which include the PEX 8648 (48 lanes, 12 ports), PEX 8632 (32 lanes, 12 ports), PEX 8624 (24 lanes, 6 ports), PEX 8616 (16 lanes, 4 ports) and PEX 8612 (12 lanes, 3 ports). These Gen 2 switches features includw the low latency, low power, high performance, integrated non-transparent ports and Hot-Plug controllers, the smallest Flip-Chip packaging, and highly flexible port configurations up to x16


Supervisor Family with Industry-Standard Devices

September 14, 2007 5:20 am | Product Releases | Comments

Catalyst Semiconductor, Inc. announced three devices which provide system processor power supply monitoring and reset functions. The CAT823, CAT824 and CAT825 voltage supervisors are available in a choice of seven standard threshold levels: 4.63V, 4.38V, 3.08V, 2.93V, 2.63V, 2.32V and 2.19V. In addition to an active-low reset output included on all three devices


Class D Audio Subsystem

September 13, 2007 5:13 am | Product Releases | Comments

Maxim Integrated Products introduces the MAX9796 2.3W, Class D audio subsystem. This device combines a high-efficiency, mono Class D amplifier; a DirectDrive stereo headphone amplifier; and a DirectDrive mono receiver amplifier. The device utilizes the company's active-emissions-limiting (AEL) circuitry and spread-spectrum-modulation technique, which reduce EMI and eliminate the output filters typically required by Class D amplifiers. The device provides Class AB performance with Class D efficiency.


Vibration Motor Driver IC

September 12, 2007 7:33 am | Product Releases | Comments

Melexis announced the MLX90283 is single phase brushless vibration motor driver IC which allows increased battery life and delivers strong and clearly detected vibrations. The device integrates hall-effect sensor, digital and power driver circuitry into a low profile Ultra-thin QFN package and introduces the new proprietary ‘Active Start’ design to improve single phase vibration motor start-up reliability. The 1.8V to 3.6V operating voltage range perfectly suits battery-powered applications.


DC/DC PWM Buck Converters

September 5, 2007 11:59 am | Product Releases | Comments

Productive Product: The AP1533 from Diodes, Inc. is a 300 Hz, 1.8A asynchronous PWM buck converter with soft-start function, low ripple noise output, low current consumption, high efficiency, and desirable transient characteristics. The buck converter has a wide input voltage range of 4V to 23V, an adjustable output voltage from 0.8V to 23V, and is suited for applications such as LCD monitors, TVs, DVD/PVR players, set-top boxes, xDSL modems, and networking and telecommunications equipment.


USB Power Manager With Power Selection, Battery Charging, Buck Regulators

September 5, 2007 11:55 am | Product Releases | Comments

Productive Product: Linear Technology’s LTC3557 multi-function power management device for Li-Ion/Polymer battery applications integrates a linear PowerPath manager, a standalone battery charger, ideal diode, three high efficiency synchronous buck regulators and an always-on LDO in a low-profile


Ultrasound Pulser for Non-destructive Testing

September 5, 2007 10:06 am | Product Releases | Comments

Productive Product: Supertex introduced the HV739, a single channel, monolithic, high speed ultrasound pulser IC for non-destructive testing (NDT) applications. The IC brings together controller logic interface circuitry, level translators, MOSFET gate drive buffers and high current, high voltage outputs.


Sixth-generation Bluetooth

September 5, 2007 9:51 am | Product Releases | Comments

CSR launched its sixth generation of BlueCore silicon for Bluetooth. BlueCore6 includes both industry leading radio performance and power consumption, as well as full support for the latest version of the Bluetooth specification (v2.1+EDR), according to the company. Included is the company’s AuriStream technology, which helps Bluetooth handle voice traffic.



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