California Micro Devices Expands USB Port Companion Product Family.Business Editors/High-Tech Writers MILPITAS, Calif.--(BUSINESS WIRE)--Sept. 23, 2002 New Integrated Devices Provide EMI (ElectroMagnetic Interference) An electrical disturbance in a system due to natural phenomena, low-frequency waves from electromechanical devices or high-frequency waves (RFI) from chips and other electronic devices. Allowable limits are governed by the FCC. Filtering, ESD (1) (Electronic Software Distribution) Distributing new software and upgrades via the network rather than individual installations on each machine. See ESL. Protection and Termination For Use in Set Top Boxes, and Game Consoles See video game console. California Micro Devices (Nasdaq:CAMD CAMD Center for Advanced Microstructures and Devices CAMD Clean Air Markets Division (US EPA) CAMD Computer-Assisted Molecular Design CAMD Chemical Agent and Munitions Disposal CAMD Carl Asmis Memorial Dressage Association ), today announced it has expanded its extensive portfolio of USB port A USB socket on a computer or peripheral device into which a USB cable is plugged. See USB. companion products with the PACUSBVB-Dx and PACUSB-Dx. The new Application Specific Integrated Passive (ASIP ASIP American Society for Investigative Pathology ASIP Application Specific Instruction Set Processor ASIP Aircraft Structural Integrity Program ASIP Arrow System Improvement Program (US DoD) ASIP Airborne Signals Intelligence Payload (TM)) devices integrate 11 discrete components An elementary electronic device constructed as a single unit. Before integrated circuits (chips), all transistors, resistors and diodes were discrete. They are widely used in amplifiers and other devices that use large amounts of current. into a single device, providing protection against electromagnetic interference See EMI. (EMI) and electrostatic discharge (hardware, testing) Electrostatic Discharge - (ESD) One kind of test that hardware usually has to pass to prove it is suitable for sale and use. The hardware must still work after is has been subjected to some level of electrostatic discharge. (ESD). They also integrate the termination and pullup resistors required by the USB USB in full Universal Serial Bus Type of serial bus that allows peripheral devices (disks, modems, printers, digitizers, data gloves, etc.) to be easily connected to a computer. specification. The PACUSBVB-Dx offers the additional functionality of ESD protection for the USB Vbus. The products are ideal for downstream USB ports, such as those found in high volume set top boxes and game consoles. "USB has moved beyond the PC and is becoming widely adopted across a variety of consumer devices," stated Joe Salvador, director of marketing for computing computing - computer products at California Micro Devices. "Consumer applications such as set top boxes and game consoles are prone to EMI and ESD hazards. By integrating EMI filtering, termination, and ESD protection into a single device, we are able to help system manufacturers improve their quality and reliability while simultaneously reducing their overall manufacturing costs." EMI filtering is required to ensure that high frequency emissions from a set top box or game console do not interfere with the operation of other consumer electronic products such as a television. It is also required to minimize interference that can be caused by external EMI radiation from devices such as cordless cord·less adj. Having no cord, usually using batteries as a source of power: a cordless telephone. cord and cellular phones. The PACUSBVB-Dx and PACUSB-Dx provides EMI filtering across a broad range of frequencies providing greater than 20dB of attenuation Loss of signal power in a transmission. Attenuation The reduction in level of a transmitted quantity as a function of a parameter, usually distance. It is applied mainly to acoustic or electromagnetic waves and is expressed as the ratio of power densities. beyond 1.5 GHz. It also provides industry leading 12 kV ESD contact protection, per the IEC (International Electrotechnical Commission, Geneva, Switzerland, www.iec.ch) An organization that sets international electrical and electronics standards founded in 1906. It is made up of national committees from over 60 countries. IEC - International Electrotechnical Commission 61000-4-2 standard, protecting the system from damaging electrostatic discharge that often occurs when consumers are plugging in cables and touching exposed ports. Key Features and Benefits Designed specifically for USB downstream port applications, the new devices offer several key benefits: -- Bi-directional EMI/RFI filtering provides suppression of high-frequency EMI across a broad range of frequencies -- Series termination resistors preserve signal integrity, and are offered in three values -- 15 ohm, 22 ohm, and 33 ohm, allowing cable impedance to be matched with that of the differential driver -- 15 kOhm pulldown resistors for the D+ and D- lines required for downstream ports -- 12 kV ESD contact discharge protection per IEC61000-4-2 -- ESD protection for Vbus line (PACUSBVB-Dx only) -- Compact SOT23-6, SOT23-5 and SC70-5 packaging saves board space and lowers manufacturing costs compared to discrete solutions. Extensive Family of Solutions USB has been widely adopted in a variety of markets for connecting peripherals such as printers and scanners to hosts such as PCs, notebooks, set top boxes and game consoles. The USB ports on peripheral devices See peripheral. peripheral device - peripheral are referred to as "upstream" ports. The peripheral devices are connected to "downstream" USB ports in hosts or expansion hubs. California Micro Devices' expanded portfolio of USB port companion products provide a broad range of solutions for customers:
USB # USB USB ESD EMI Termination Vbus
Port: Ports: Product: Channels filter resistor protection Package
----------------------------------------------------------------------
USB SOT23-5,
downstream 1 PACUSB-Dx 2 x x - SC70-5
----------------------------------------------------------------------
USB
downstream 1 PACUSBVB-Dx 2 x x x SOT23-6
----------------------------------------------------------------------
USB 16-pin
downstream 2 PACUSB200 4 x - QSOP
----------------------------------------------------------------------
USB 8-pin
upstream 1 PACUSB100 2 x - MSOP
----------------------------------------------------------------------
USB
upstream 1 PACUSB-Ux 2 x x SC70
----------------------------------------------------------------------
USB
high-speed SC70-5,
up or down 1 CM1210-02 2 - - SOT143-4
----------------------------------------------------------------------
USB
high-speed
up or down 2 CM1210-04 4 - - SOT23-6
----------------------------------------------------------------------
USB SOT-23-3,
up or down 1 PACDN042 2 - - SC70-3
----------------------------------------------------------------------
USB SOT-23-5,
up or down 2 PACDN044 4 - - SC70-5,
TSSOP-8
----------------------------------------------------------------------
Pricing and Availability Samples and production quantities are available now. Pricing is $0.36 for the PACUSBVB-Dx in SOT23-6 package, $0.34 for the PACUSB-DX in SOT23-5 package, and $0.38 for the PACUSB-Dx in SC70-5 package, in quantities of 10,000. About California Micro Devices Corporation California Micro Devices Corporation is a leading supplier of application-specific analog semiconductor products for the mobile, computing, and high-brightness LED lighting markets. Key products include application-specific integrated passive (ASIP(TM)) devices and power management ICs as well as silicon submounts for high brightness LEDs. Detailed corporate and product information may be accessed at www.calmicro.com. Note to Editors: ASIP(TM) is a trademark of California Micro Devices. All other trademarks are property of their respective owners. |
|
||||||||||||||||
Printer friendly
Cite/link
Email
Feedback
Reader Opinion