copyright ? 2006, avnet kopp (pty) ltd. all rights reserved. [issue # 056, 27 october 2006] in this issue in this issue in this issue microchip unveils unique features on 1.5 amp ldo regulator - mcp1727 adjustable output voltage 1.5 amp ldo in 8-pin soic o r 3 x 3mm dfn packages shutdown pin and power good output pin with programmable delay 300mv dropout at full load with bond wire compensation 140ua quiescent current the combination of high output current (1.5a) and low output voltage (down to 0.8v) makes the mcp1727 ideally suited for powering a variety of power supply applications including high-performance embedded processors analog datacom / telecom electromechanical interconnect magnetics micros passives power devices power modules rf & microwave unveils unique features on 1.5 amp ldo regulator : mcp1727 new cmx869b v.32 bis modem ic, sets the standard for component integration az2501 series - stand-up latching power relay versatile micro switch offers variety of mounting options and long service life waterproof miniature usb connector card-edge connectors t60403-k5024-x04485 power line transformer high performance with cool possibilities expands digital signal controller portfolio replacing crystal oscillators tiny high q 1ghz wound chip inductors high voltage thick film resistors new ihlp-2525ez-01 low-profile, high-current inductors PVN012APBF microelectronic relay stm6x2x, 5-pin supervisor with watchdog timer and push-button reset m-series of switching power supply modules nrf24ap1 - ultra-low power 2.4ghz transceiver with embedded ant protocol for wireless personal area networks microchip cml microcircuits american zettler tyco electronics bulgin fci interconnect vacuumschmelze freescale semiconductor freescale murata murata royal ohm vishay international rectifier stmicroelectronics astrodyne nordic semiconductors semiconductor 2 1 2 3 4 3 4 3 3 2 4 3 2 1 1 ? kopp contact : shane.padayachee@avnet.co.za shane padayachee 4 2 murata replace crystal oscillators tighter resonator tolerances than ever before mean that the one crystal advantage is fading, designers can increasingly take advantage of resonator pricing and performance and get the required frequency tolerance the cstce-g-c and v-c series offer a frequency tolerance of 0.3% (-40c to 125c), cover the range from 8.00 to 20.00mhz, weigh 12mg, occupy a 3.2x1.3 footprint 1.3mm high and are ideal for can-bus applications passives passives passives tight tolerances - and improving "instant" start-up mechanical shock resistant small and light - no tank circuit low power consumption competitive prices contact : chris.viveiros@avnet.co.za chris viveiros astrodyne 's m-series of switching power supply modules offering the designer the ultimate in power density and performance features for new and existing designs in instrumentation, communications, industrial controls, and embedded systems. pin out and package size compatible to industry standards, these feature universal 85 - 265 vac input and are fully encapsulated and require no external components or heat sinking for operation analog analog analog power modules power modules power modules 85 to 265 vac universal wide range input full agency approvals - ul, tuv, ce mark pcb and chassis mount package convection cooled encapsulated design 5to30watt 3.3 to 24 vdc output contact : david.atkinson@avnet.co.za david atkinson
nordic semi 's nrf24ap1? - ultra-low power 2.4ghz transceiver with embedded ant protocol for wireless personal area networks (pan) features uart and synchronous serial interface 2.4ghz operation 125 rf channels 1.9 - 3.6v voltage supply 1mbit/sec air datarate -20 dbm to 0 dbm output rf performance and quality gfsk modulation efficient output spectrum embedded shockburst? engine -40c to + 85c operation 100% rf tested contact : brandon.kuhn@avnet.co.za brandon kuhn vishay 's new ihlp-2525ez-01 low-profile, high-current inductors the key benefits : feature the lowest dcr/h for their respective package sizes save space with 2525-size footprint and maximum height profile of 0.197 in. [5.0 mm] save power with inductance values from 10 h down to 0.56 h handle high transient current spikes without saturation operate at a frequency below 1 mhz passives passives passives contact : chris.viveiros@avnet.co.za chris viveiros freescale expands digital signal controller portfolio freescale is answering the market demand for more advanced digital control solutions by adding four digital signal controllers (dscs) to its 16-bit 56f8000 dsc family, significantly broadening its array of cost-effective dsc offerings. consumer and industrial products that previously required both digital and analog control algorithms and circuits now can be controlled digitally through flexible, intelligent embedded software running on a dsc. the 56f8000 dscs provide optimal digital control solutions for motor control, digital power conversion and advanced lighting control, including high-brightness led arrays for architectural lighting and lcd backlights. micros & dsp micros & dsp micros & dsp contact : dennis.walden@avnet.co.za dennis walden st 's stm6x2x, 5-pin supervisor with watchdog timer and push- button reset features precision v monitoring of 5, 3.3, 3, or 2.5v power supplies outputs (active-low, push-pull or open drain) rst outputs (active-high, push- pull) reset pulse width of 1.4ms, 200ms and 240ms (typ) watchdog timeout period of 1.6s (typ) manual reset input ( ) low supply current - 3a (typ) guaranteed (rst) assertion down to v = 1.0v operating temperature: -40 to 85c (industrial grade) rohs compliance, lead-free components are compliant with the rohs directive cc cc rst mr rst contact : danny.murphy@avnet.co.za danny murphy ir 's PVN012APBF microelectronic relay the PVN012APBF is a single-pole, normally open solid-state relay. it utilizes a hexfet? mosfet output switch, driven by an integrated circuit photovoltaic generator of novel construction. the output switch is controlled by radiation from a gaalas light emitting diode (led) which is optically isolated from the photovoltaic generator. compared to its predecessor, the pvn012a family offers a 50% reduction of ac/dc on-state resistance (r ) and 37.5% increase of maximum ac/dc load current rating at full (100%) duty cycle. the new series is also rated for maximum pulses (surge) load current. dd-on features and benefits : 50m on-resistance bounce-free operation 4.0 - 6.0 amp capability linear ac/dc operation 4,000 v i/o isolation solid-state reliability ul recognition pending esd tolerance : - 4000v human body model - 500v machine model smaller footprint stable on-resistance over life greater input sensitivity rms contact : dennis.walden@avnet.co.za dennis walden new product line card available for download rf & microwave rf & microwave rf & microwave power devices power devices power devices power devices power devices power devices
technical characteristics : smd assembly 1:1 turn-ratio frequency range 0.001 1 mhz inductance 1.4mh insulation 3kv applications : automatic meter reading for energy meters water meters gas meters home automation pc home networking fci 's card-edge connectors fci has developed card-edge connectors designed to accept pci express? expressmodule? modular i/o adapters used in rack servers. two connector size and interface options. part series 10055293 describes the 98-position connectors, which support up to an x8 pci express (pcie') connection. part series 10055295 defines the larger, 140-position connectors that also provide an internal storage interface for up to four x1 ports of sata/sas and sideband signals in addition to the x8 pcie link. the card-edge connectors utilize an "eye-of-needle"-compliant section for termination to a backplane. the press- fit connectors are targeted for use on 2.36mm (0.093") to 4.19mm (0.165") thick pcbs. by using press-fit connectors, manufacturers can avoid soldering problems and improve manufacturing yields when implementing i/o slots on thick backplanes. rohs-compliant connector versions are available. contact : chris.viveiros@avnet.co.za chris viveiros interconnect interconnect interconnect cml 's new cmx869b v.32 bis modem ic, sets the standard for component integration envisaged as a versatile modem for new-generation telemetry and wireline data systems, this single chip product provides all of the functions needed to construct an itu v.32 bis automodem, or a v.32, v.22 bis, v.22, v.21 and bell 202/bell 103 compatible modem operating under the control of external host timing. the cmx869b boasts a fully-integrated hdlc framer/de- framer also known as a pad (packet assembler disassembler), crc block and hdlc/sdlc signalling - these tasks are essential to new generation epos systems, such as the expanding chip-and-pin terminals. the cmx869b is the latest addition to cml's extensive portfolio of low-power telecom products and is a new addition to the cmx86x family of wireline modems. the cmx869b operates from a single 3.3v supply and is available in 24-pin plastic soic and tssop packages. datacom / telecom datacom / telecom datacom / telecom contact : dennis.walden@avnet.co.za dennis walden tyco 's versatile micro switch offers variety of mounting options and long service life a new straight or right angle pcb mount ultra miniature micro switch has been introduced by tyco electronics. available with current ratings of 100ma/30vdc for dry circuit applications and 3a/125vac for higher current requirements, the new devices benefit from long actuation life and very high reliability. offering a service life of 1 million cycles, new ultra miniature micro switches provide two operating force options ensuring usability in the widest possible range of applications. devices are available with or without levers, offering a choice of different operating positions. new micro switches are designed for security systems, testing equipment and medical/dental equipment. they can also be used as detect switch for doors, gates and flaps or as end switch for industrial machinery, vending machines, hvac equipment and valves. switches are cul certified. electromechanical electromechanical electromechanical contact : rudi.opperman@avnet.co.za rudi opperman advantages : excellent transmission characteristics low insertion loss low thd, especially low 50hz distrortion matching transformer for ' st7540 power line modem ic insulation according to en 60950 / ul 1950 compact designs compliance with all plc standards, homeplug 1.0, eia 709.2, cenelec en 50065-1, and cea r7.3 st microelectronics vac 's t60403-k5024-x04485 power line transformer contact : david.atkinson@avnet.co.za david atkinson magnetics magnetics magnetics passives passives passives contact : andreas.tsironis@avnet.co.za andreas tsironis royal ohm 's high voltage thick film chip resistors superior to chip resistors in maximum working voltage ideal for use in av adapters, lcd back-light camera strobe etc suitable for reform and wave soldering lead free terminations op temp of -55c to +155c 0805, 1206, and 2010 types resistance range of up to 10m tolerances of 1%, and 5% available
murata 's tiny high q 1ghz wound chip inductors miniature alumina cores, using a combination of unique materials and horizontal winding methods, are at the heart of their lqw04a series on inductors stable inductance values range from 1.1nh to 22nh in twentyfour steps, with minimum q of 15 or 20. low dc resistance in all values ensures low loss, with maximum output in low power applications. the operating temperature range is a full -55 to 125c, making them suitable for robust applications and a resin coating provides protection during processing and subsequent operation. the miniature package (0.8x0.4mm) allows very high-density mounting and the 0.4mm profile height adds to that. in turn, this puts 10,000 pieces in 180mm diameter reels, reducing replenishment stops, labour time and storage space. features high q (typically 50 at1.0 ghz) high srf (10nh=4.0ghz min.) reflow soldering low dcr horizontal windings low volume (0.128cc) small footprint easy / fast processing contact : chris.viveiros@avnet.co.za chris viveiros passives passives passives bulgin 's waterproof miniature usb connector a new miniature usb connector joins bulgin's buccaneer family of waterproof data connectors. usb is a well established pc interface using the standard 'a' and 'b' type connectors, but as the trend for smaller equipment continues naturally smaller connectors are required. the miniature usb is very familiar to digital camera users but is also applicable for use on any equipment where the full functionality of the usb interface is required. in common with others in the buccaneer range, bulgin's new 5 pole miniature usb connector is dust and waterproof to ip68, when mated, and provides usb v2.0 performance up to 480mbs. the pre-wired cables, px0441 and px0442, are available in 2, 3 and 4.5m lengths with a sealed mini 'b' type usb connector paired with either standard or miniature 'a' type usb. these will cater for most applications. the panel mounted mini 'b' connector is available for front-of-panel, px0443, or rear-of-panel mounting with either pc pins, px0446 or pre-wired, px0447, with a short length of cable terminated with a pcb header. the diameter over the coupling ring of the cable connector is just 19mm and the screw coupling provides a secure, proven locking system. mini usb buccaneer will find many applications within smaller peripherals or where panel space is at a premium and, as with all bulgin products, is fully rohs compliant. contact : chris.viveiros@avnet.co.za chris viveiros interconnect interconnect interconnect freescale 's high performance with cool possibilities mc9s08qd4 mcu for dc fans and more the 8-bit mc9s08qd4 (qd4) microcontroller expands the low-end capabilities of freescale's controller continuum. the qd4 offers enhanced functionality and flexibility while maintaining pin compatibility with the ultra-low-end ka2 family and the highly integrated qg8 family of controllers. the qd4 incorporates a high-performance 4-channel, 10-bit analog-to-digital converter (adc), which makes it an ideal solution for dc cooling fans in computer applications, low power supplies and telecommunications equipment. contact : dennis.walden@avnet.co.za dennis walden american zettler 's az2501 series - stand-up latching power relay az2501 series relay, the stand-up pc mount variation to their az2500 latching power relay. the az2501 has the capacity to handle heavy loads up to 13,850 va, 50 amps @ 277 vac making it ideal for applications such as hvac-r, ups systems, lighting controls, industrial heating, and spa controls. az2501 features include: dielectric strength of 4000 vrms contact to coil, single or dual coil latching, a 50 millisecond pulse to ?set? or ?reset?, an optional manual switch, an option pcb retaining stud, and available epoxy sealing (excluding versions with manual switch). electromechanical electromechanical electromechanical contact : rudi.opperman@avnet.co.za rudi opperman micros micros micros
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