WT804x Series -- ICs for Multi-sync Monitors
Series synchronous signal discriminators for Multi-Sync monitors. The WT804x was the first product line in the monitor market that featured multi-sync processing, VESA DPMS specification of Energy Star equipment requirements, built-in test pattern, etc. With WT804x, Weltrend has enjoyed >50% of world's market share in this product area. WT804x were not only the pioneer of CMOS technology in Monitor application, but also were generally acknowledged as the major industrial standard of analog monitor sync-processing.
ˇ@WT60xx Series -- Dedicated Micro-Controllers for Monitors
This series of dedicated micro-controllers for monitors provide selection in a range of ROM/RAM size (max. ROM size 16KBytes, RAM 288Bytes), and master/slave I2C bus configuration (for DDC1/2B interface and internal bus). The WT60xx series have the following features :
- 8MHz crystal oscillator, 4MHz operating frequency.
- Sync signal processor with H+V separation.
- Built-in free-running sync signal output.
- Highly compatible with VESA DDC standard.
- Maximum 25 I/O, 8-bit programmable timer, 1 external IRQ, 2x4-bit ADC.
- 16K flash ROM based MTP version (WT60P1).
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WT61xx/62xx Series -- Monitor Micro-Controllers with USB Function
WT6132 WT62P1 WT62P2 WT6148 WT6248 This WT61xx/62xx are the upgrade version of WT60xx with the following feature enhancements:
- 12MHz Crystal Oscillator, 6MHz Operating frequency.
- C language support available.
- Embedded USB function with endpoints 0 and 1 (WT62xx only).
- ROM size up to 60K, RAM size up to 1K bytes + 32 bytes (bit addressable).
- Sync Processor with H+V separation, H/V frequency counter, and H period counter.
- Fast Master/Slave I2C interface (up to 400KHz).
- Built -in 6 free-run sync signal output.
- VESA DDC1/2B/2Bi supported.
- 14 channel 8 bit PWM outputs.
- Maximum 28 I/O, 8-bit programmable timer, 4x6-bit ADC.
- 32K/60K flash ROM based MTP version (WT62P1/WT62P2).
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WT68xx Series -- On Screen Display Controllers for Monitors
WT6801 WT6802 WT6803 WT6804 The WT68xx are designed to display built-in characters or fonts onto monitor screen for CRT monitors and LCD monitors. The chip provides many functions such as: auto sizing video measurement, 4 programmable windows, OSD windows position adjustment, variable character height with row-to-row spacing adjustment, double height and with control for each character, horizontal display resolution, fade-in/fade-out effect, bordering/shadowing and blinking effect.
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WT8801 Series -- LCD Monitor Controller
WT8801 is a highly integrated IC. It support a real-time, high-quality, scaled digital video or computer graphics images. In addition, it supports the multi-sync feature of the CRT monitor on the fixed resolution flat panel display. The WT8801 provides a flat-panel-monitor solution that is compatible with today's CRT standards.
WT65xx Series -- USB Controller for Pointing Device
WT6510 WT65F1 WT65F4 WT6621 The WT65xx are highly integrated USB controller series for PC's input pointing device such as USB keyboard, mouse, joystick etc. It integrates an optimized 8-bit micro-controller core, USB function, watch dog timer, I/O, SRAM and Mask ROM into a single chip controller. Its low speed USB function is fully compliant with the USB specification version 1.1 and USB HID specification version 1.0.
WT50xx Series -- Embedded Micro-Controller
WT5053 WT5041 WT5058 WT50F5 WT50F6 WT5080 WT5081 WT5082 This is a high-performance, cost-effective 8-bit single-chip micro-controller series . It contains a variety of functions such as ROM (up to 1Mbytes), SRAM (up to 6Kbytes), flash memory, dot-matrix LCD driver (up to 64x32), 12-bit A/D converter, PWM, push-pull D/A converter, OP amplifier, and high-current I/Os are included. In addition, a special power saving function is available to make these controllers suitable for portable/battery-powered products. Possible applications are:
WT504xˇG
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Heartbeat meter
- Exercise Equipment
WT505x /WT50Fx ThermometerˇG
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Chargers
- Home appliance
- Meters
WT508x
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Chinese characters display paging devices
- Low-cost databank
- Edutainment toys
WTDXXXX Series -- WT5 series MCU + Standard Firmware for Target Application
WTD0001 WTD0002 WTD0005 WTD0007
Part No. WT Series Description Target Application WTD0001 WT5053 Touch Screen Controller PDA touch Pad (I/F SPI) WTD0002 WT5058 LCD Front Panel Controller Digital Camera WTD0005 WT5053 Touch Screen Controller LCD/CRT (I/F RS232) WTD0007 WT5041 Heart Rate Signal Detector Watch/Athletic Equipment
WT27c Series -- Extreme low Power Op-amps
WT272 WT274 The WT272 (dual OP Amp) or WT274 (quad OP Amp) is an ideal upgrade for industrial standard ICs such as TL064, MC34184, TLC27L4, and LM324. Features include:
- Extreme low operating current (5uA/channel).
- Low input bias current; High input impedance.
- Single supply voltage; Wide supply voltage range.
- Output short circuit protection.
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WT807x Series -- Passive Infra-Red (PIR) Controller
WT8072 WT8075 WT8076 This is a Series of high-performance PIR controllers. These ICs have integrated low-noise Op Amps, bandgap voltage reference, and light and alarm control functions.
- Adjustable detection range and delay time.
- CDS interface to differentiate night and day.
- Relay and triac output.
- High noise immunity; Low power consumption.
- AC (WT8072, WT8073, WT8076) and DC (WT8075) applications.
WT7xxx Series -- Power Control Related ICs
WT7010 WT7012 WT7510 WT7511 WT7512 WT7513 WT7514 WT7515 Weltrend power ICs are ideally suited for many kinds of power applications. We offer a simple and cost effective solution with this product series.
WT70xx - Monolithic bridge driver power MOS FET for its driver stage.
- High drive current; Low ON resistance; Low voltage drive.
- Forward/Reverse/Brake functions.
- Thermal protection function.
- Standby function turns off charge pump circuit.
- Application: winds/rewinds film or moves lens in a camera, etc.
WT75xx - Complete supervisory ICs developed for the switching power supply.
- Over voltage/ under voltage/ over current protection.
- Fault protection latch with open drain output.
- Power good signal with open drain output.
- Remote on/off control externally.
- Application: Switching Power Supply, etc.
ASIC Design Service
Weltrend gained good reputation and trust by successfully completing over 100 ASIC projects for various customers. Our experience spans many industries: computer peripherals, home appliances, exercise apparatuses, health care facilities, industrial controls, remote detection & control, and voice/speech applications. Weltrend provides Turn-key service for ASIC projects which covers the complete development cycle : from Planning, Design, Verification to Production. Contact us whenever you are ready with your idea, product feature, application circuit, block diagram, and/or electrical characteristics.