Electrical/Electronics

Precision Current Input With Well-Defined Current Limiting for Extreme Environment Applications

NASA’s Jet Propulsion Laboratory, Pasadena, California Wide temperature and extreme environment electronics are crucial to future missions. These missions will not have the weight and power budget for heavy harnesses and large, inefficient warm boxes. In addition, extreme environment electronics, by their inherent nature, allow operation next to sensors in the ambient environment, reducing noise and improving precision over the warm-box-based systems employed today.

Posted in: Briefs, TSP, Power Management, Sensors

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Power Management System Keeps SpaceCube Flying

UltraCMOS®-based power management card Peregrine Semiconductor Corp. San Diego, CA 858-731-9400 www.psemi.com Selected for NASA Goddard Space Flight Center’s SpaceCube 2.0 Hybrid Science Data Processor, Peregrine’s UltraCMOS®-based power management solution is delivering uninterrupted high performance while meeting the radiation-hardened and extreme-temperature requirements on the International Space Station. The regulators feature integrated switches that help the design team meet its goals of delivering order-of-magnitude improvements in on-orbit computing performance over traditional flight computing systems.

Posted in: Application Briefs, Power Management

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Digital Controller

ZMDI, Dresden, Germany, released the ZSPM2000 configurable digital PWM controller with integrated MOSFET driver for smart digital point-of-load (POL) solutions. The controller operates as a synchronous step-down converter in a single-rail, single-phase configuration. It features an integrated power-stage driver, and digital communication and control via the PMBus™ interface. Other features include digital-control algorithms, anti-cross-conduction, and power-saving features.

Posted in: Products

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Serial Communication Cards

ACCES I/O Products, San Diego, CA, announced mPCIe-ICM Series PCI Express Mini Card isolated serial communication cards that measure 30 × 51 mm and feature a selection of four or two ports of isolated RS-232 serial communications. Features include 1.5kV isolation provided port-to-computer and 500V isolation port-to-port on all signals at the I/O connectors. The cards provide ±15kV ESD protection on all signal pins, and use 128-byte transmit/receive FIFO buffers to decrease CPU loading and protect against lost data in multitasking systems.

Posted in: Products, Electronic Components

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Source Measure Instrument

Keithley Instruments, Cleveland, OH, introduced the Model 2460 SourceMeter® Source Measure Unit (SMU) instrument with a capacitive touchscreen graphical user interface. It offers power sourcing up to 105V, 7A DC/7A pulse, 100W max, with 0.012% basic measurement accuracy and 6½-digit resolution. It combines the functionality of a power supply, true current source, 6½-digit multimeter, electronic load, and trigger controller in one half-rack instrument. Other features are a full-color 5" touchscreen, graphical plotting, quickset modes, and instrument control software.

Posted in: Products

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Circuit Design Tool

Sunstone Circuits, Mulino, OR, announced DFMplus, a Design to Manufacturing tool that allows potential issues to be fixed in the PCB design phase. The tool helps users verify PCB designs before ordering. The tool features a preview of possible failure points, provides efficient transfer of design file data into manufacturing, and enables designers to submit partial designs, or regions of the design, as a section-by-section check.

Posted in: Products

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Data Acquisition Board

Measurement Computing (Norton, MA) offers the USB-2020 high-speed, two-channel data acquisition board that provides simultaneous sampling at rates up to 20 MS/s per channel. Users can sample data from both channels at an overall rate of 40 MS/s to the 64-megasample onboard memory, or continuously stream data to a host computer at up to 8 MS/s for one or both channels over a high-speed USB connection. Each channel has its own A/D converter for simultaneous sampling to eliminate channel skew and ensure that phase information between channels is maintained.

Posted in: Products, Board-Level Electronics, Data Acquisition

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