Last €17.73 EUR
Change Today -0.068 / -0.38%
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As of 2:05 AM 10/21/14 All times are local (Market data is delayed by at least 15 minutes).

diodes inc (DDQ) Snapshot

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52 Week High
06/11/14 - €22.42
52 Week Low
11/20/13 - €14.08
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diodes inc (DDQ) Details

Diodes Inc. and its subsidiaries make and distribute standard semiconductor products to manufacturers in the consumer electronic, computer, communications, industrial, and automotive markets. Its products include discrete semiconductor products, including performance Schottky rectifiers; performance Schottky diodes; Zener diodes and performance Zener diodes; recovery rectifiers; bridge rectifiers; small signal bipolar transistors; prebiased transistors; thyristor surge protection devices; and transient voltage suppressors. Diodes also provides high-density diode, transistor, and mixed technology arrays; silicon wafers; and analog and mixed signal devices. The company was founded in 1959 and is headquartered in Westlake Village, Calif.

4,201 Employees
Last Reported Date: 02/27/14
Founded in 1959

diodes inc (DDQ) Top Compensated Officers

Chief Executive Officer, President, Director ...
Total Annual Compensation: $1.2M
Chief Financial Officer, Principal Accounting...
Total Annual Compensation: $533.1K
Senior Vice President of Operations, Presiden...
Total Annual Compensation: $489.2K
Vice President of Corporate Administration
Total Annual Compensation: $346.1K
Vice President of Worldwide Discrete Products
Total Annual Compensation: $460.3K
Compensation as of Fiscal Year 2013.

diodes inc (DDQ) Key Developments

Diodes Incorporated Introduces Pair of All-In-One Single-Phase 12V Fan Motor Drivers

Diodes Incorporated introduced a pair of all-in-one single-phase 12V fan motor drivers for low to medium voltage brushless DC fan control in consumer, home appliance, industrial and office equipment. The high level of integration, miniature package options and thermal handling offered by the AH5772 and AH5773 fan drivers enable a reduction in component count and PCB area where space is at a premium. By integrating both high-sensitivity Hall sensors and companion input amplifiers, the devices can be used with lower strength fan motor magnets, achieving additional cost savings. With excellent voltage and thermal coefficients over a very wide operating range, the sensors' tolerances are also very small, helping to reduce variability in motor performance and simplifying manufacturing and testing. A built-in low RDS H-bridge output stage enables these compact fan drivers to support source and sink currents of up to 500mA continuous, 1A peak, matching the performance of much larger and more complex drivers and pre-drivers. The devices' low profile, low pin-count package options are MSOP8-EP and U-DFN2020-6 for the AH5773 and TO-94 for the AH5772. The fan drivers' wide operating voltage range suits a variety of brushless DC cooling fan applications, with the low start-up voltage permitting fan operation down to 20% of nominal 12V supply. An operating temperature range of -40 C to +105 C makes them suitable for even the most thermally demanding enclosures. While both drivers provide fan speed regulation via voltage input control, the AH5773 also offers more accurate speed control by varying the duty ratio of a PWM signal train applied to a dedicated PWM input. When the AH5773's PWM pin is pulled low for longer than 65ms, the device enters standby mode, consuming only 100uA. When the PWM pin is pulled high, the drive output is reactivated. This quick start function can be used during locked rotor protection phase to restart fan motor before full lock-off time has elapsed. To help protect the fan motor coil from over-heating or burning out, both fan drivers incorporate locked rotor protection, which shuts down the driver output in the event of locked rotor detection. Once the rotor lock is released, the drive automatically restarts. Lock-detect, shutdown and auto-restart timing are all handled internally and do not require external timing capacitors.

Diodes Incorporated Introduces the First Devices to be Launched from Diodes' Proprietary Trench SBR

Diodes Incorporated introduced the first devices to be launched from Diodes' proprietary Trench SBR (Super Barrier Rectifier) technology, which enables the stringent efficiency and temperature targets of next generation battery chargers to be achieved. With their ultra-low forward voltage, low leakage current and cooler running characteristics, the new Trench SBRs meet the requirements of the charger output rectifier diode, easily coping with the shorter current pulses of 36kHz discontinuous mode charger designs. Diodes Incorporated has initially introduced two devices: the 15A SBRT15U50SP5, for 10W smartphone chargers; and the 20A SBRT20U50SLP, for 12.5 W tablet chargers. Such chargers are becoming smaller and thinner, and have efficiency and temperature targets that cannot be adequately met with traditional Schottky diode solutions. SBRT15's forward voltage of 0.47 V at 15 A and SBRT20's forward voltage of 0.5V at 20A, coupled with an operating temperature of +90 C, means conduction losses are minimized and charger efficiencies are increased. The devices' low reverse leakage currents at high temperatures, respectively 105 mA and 100 mA at +125 C, also help minimize blocking mode losses. The SBRT20U50SLP and SBRT15U50SP5 are the first rectifiers to be released from a complete portfolio of Trench SBR devices that span a reverse voltage range from 10V to 100V, current handling capability from 0.2A to 40A and a variety of different package options, including Diodes' space-saving PowerDI 123, PowerDI5 and PowerDI5060.

Diodes Incorporated Introduces ESD and Surge Protector

Diodes Incorporated introduced an automotive-quality graded ESD and surge protector offering improved protection, greater reliability and easier inspection during manufacturing compared to Zener-based and varistor devices. Protecting CAN and LIN two-wire communications busses in automobiles from voltage transients is critical to their reliability and safety. The D24V0L1B2LPSQ is a low-capacitance, 15pF device with 0.2 dynamic resistance that provides sharper triggering than Zener diodes or varistors to provide a superior protection solution. The tiny DFN1006-S-packaged automotive-grade component (AECQ101-qualified, supported by PPAP traceability) is also the first of its type to feature sidewall plating, sometimes known as 'wettable flanks.' This means that the package sidewall is tin plated, allowing a solder fillet to be formed. The solder fillet can then be optically inspected, eliminating the need for slow and expensive X-ray inspection during PCB assembly. Furthermore, the DFN1006-S package footprint is compatible with that of the SOD923 package.


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