Search results for "leds"
Curve-tracer software for semiconductor testing
A new version of Yokogawa’s curve-tracer software for semiconductor testing has been introduced for the company’s GS610 source measure unit. Designed to carry out voltage/current analysis on two-lead or three-lead components including discrete semiconductors, integrated circuits and optoelectronic components, the new PC-based software works in conjunction with the USB-connected GS610 to enable source and sink operations at up to 100 V at 0.5 ...
Catalyst Granted Patent on Switching Architecture for “Greener” High-Power LED Lighting Products
Catalyst Semiconductor has announced it has received a patent for a unique step-down switching regulator circuit architecture applicable to step-down regulators for driving high brightness LEDs. The patent, titled “LED current bias control using step-down regulator” (patent number 7,323,828), was developed to simplify the design of high brightness LED lighting in emerging household, commercial and automotive lighting applications.
High-Resolution Brightness LED Drivers for Enhanced LCD Backlight Control
Catalyst Semiconductor continues to expand its line of patented, Quad-Mode fractional charge pump LED drivers with two new high-resolution brightness devices, featuring 32-dimming levels to provide enhanced LCD backlight control in emerging portable product applications. The new CAT3647 and CAT3648 address the need for high-resolution LCD control and longer battery life in cell phones, digital cameras and other handheld devices, where designers ...
100V, Constant-Current & Constant-Voltage Controller with Input & Output Current Sense
Linear Technology announces the LT3796, a 100V, high-side current sense DC/DC controller designed to regulate a constant-current or constant-voltage that is ideal for driving high brightness (HB) LEDs. Its 6V to 100V input voltage range supports a wide variety of applications, including automotive, industrial and architectural lighting.
Reference design allows rapid USB mass storage interface development
Future Technology Devices International (FTDI) has announced availability of the VF2F2 reference design module for its Vinculum VNC1L embedded USB host controller. The design incorporates a practical firmware application that demonstrates file transfer using the USB mass storage class interface. It permits moving files from a USB device, such as a digital camera, to a USB flash disk. The design could also be used to transfer files between other ...
Vinculum-II VNC2 evaluation modules speeds USB 2.0 Host/ Slave development
Future Technology Devices International (FTDI) announced the launch of a range of VNC2 evaluation modules (V2DIP-x), a VNC2 evaluation kit (V2-EVAL) and a VNC2 debug module. These modules are designed to help designers quickly develop embedded USB 2.0 Host/ Slave designs based on FTDI's recently announced Vinculum VNC2 devices. VNC2 is a user programmable dual USB 2.0 Host/ Slave intelligent SOC controller featuring a customised 16 bit MCU core, ...
USB evaluation module provides quick and simple integration into finished products
Future Technology Devices International Limited, (FTDI) has announced the release of its Universal Serial Bus (USB) prototyping module VDIP2. Using its Vinculum VNC1L embedded USB host controller integrated circuit (IC), it is ideal for both the rapid development of VNC1L designs and incorporating into low volume finished products. Supplied to fit a 40 pin DIP header, VDIP2 provides access to all the UART, parallel FIFO and SPI interface pins. Th...
Versatile digital ohmmeter from Cropico
The Cropico DO4A is a highly versatile digital ohmmeter used for low resistance measurement across a diverse range of electronic design and manufacturing applications. Of particular relevance is the instrument’s role in the precision resistance measurement of electronic components and switches as well as electrical connectors, crimp joints, fuses and similar products.
Dual High Efficiency White LED Drivers
Linear Technology has announced the LT3497, a dual, full- featured, step-up DC/DC Converter designed to drive up to 12 white LEDs from a Li-Ion input. Its high efficiency, fixed frequency operation ensures uniform LED brightness, low noise and maximum battery life, and the on-chip schottky diodes eliminate both the added cost and space of external diodes. True Color PWM dimming enables dimming ranges of up to 250:1 without any color shift of the ...
48-Channel PWM Generator with 12-Bit Resolution Dynamically Controls LEDs or Provides 48 DAC Outputs
Linear Technology announced the LT8500, a pulse width modulation (PWM) generator with 48 independent channels. Each channel has an individually adjustable 12-bit (4,096 steps) PWM register and a 6-bit (64 step) ±50% correction register. All controls are programmable via a simple TTL/CMOS 50MHz serial data interface. The LT8500 can be used in a wide variety of PWM-intensive applications such as LED control, as well as industrial and robotic appli...