October 21, 2014 5:48 PM ET

Semiconductors and Semiconductor Equipment

Company Overview of iWatt, Inc.

Company Overview

iWatt Inc., together with its subsidiaries, designs, develops, and markets digital-centric power management integrated circuits for the AC/DC power conversion, LED solid-state lighting, and LED display backlighting markets. It uses PrimAccurate technology platform that primarily enables high performance and small form factor solutions; Flickerless technology, which helps in eliminating flicker; and BroadLED technology that reduces power consumption and heat generation in LED backlit displays. iWatt Inc. principally offers power management solutions for up to 50 watt applications. The company provides its solutions for various applications, including feature phones, smart phones, tablets, dig...

675 Campbell Technology Parkway

Suite 150

Campbell, CA 95008

United States

Founded in 1999

147 Employees

Phone:

408-374-4200

Fax:

408-341-0455

Key Executives for iWatt, Inc.

Chief Executive Officer
Age: 62
Founder
Age: 72
Chief Financial Officer
Age: 60
Senior Vice President of Operations & Quality
Age: 65
Senior Vice President of Strategic Marketing
Age: 51
Compensation as of Fiscal Year 2014.

iWatt, Inc. Key Developments

iWatt, Inc. Debuts Its New 8-Channel Led Backlight Driver Designed to Deliver Better Screen Performance and Lower Cost in Next-Generation 2D and 3D LCD TVs

iWatt, Inc. debuted its new 8-channel LED backlight driver designed to deliver better screen performance and lower cost in next-generation 2D and 3D LCD TVs. The iW7019 gives designers a rich set of integrated features to improve picture quality and render a more lifelike viewer experience. These include both head and tail-mode pulse width modulation (PWM) dimming to reduce motion blur, and high-resolution, 12-bit local dimming to improve contrast ratio. The iW7019 also integrates a DC-to-DC boost controller with 10V gate drive, high-voltage current sinks, and iWatt's patented BroadLED(TM) digital current regulation technology that eliminates the need for costly LED binning. The rich features of the iW7019 make it an ideal choice for edge-lit, direct-lit, and segment-edge-lit LED LCD TV designs. It drives up to eight parallel LED strings at 85V (maximum) per channel and can sink up to 200mA per string for 2D and 450mA per string for 3D TV applications. A wide, 9V to 28V input supply voltage range makes the iW7019 compatible with existing TV power systems, so there is no added expense for a separate voltage rail. Comprehensive dimming modes provide maximum flexibility to support both patterned retarder (PR)(1) and shutter glass (SG)(2) 3D TV technologies, as well as 2D TV with just one IC. The iW7019 LED driver is available now in production quantities and is priced at $1.80 in 1,000-piece quantities, for either the 44-lead TQFP or 32-lead SOP package.

Dialog Semiconductor Plc, iWatt, Inc. - M&A Call

To discuss an agreement between Dialog Semiconductor Plc and iWatt Inc. to acquire iWatt Inc

iWatt, Inc. Debuts Single-Stage SSL LED Drivers with Lower BOM Cost

iWatt, Inc. launched its latest single-stage, solid state lighting (SSL) LED drivers to address cost, performance and lifetime issues in dimmable bulb applications. Following the introduction of its single-stage LED driver for non-dimmable incandescent bulb replacement applications earlier 2013. iWatt is debuting the iW3606 (8W output power) and iW3608 (15W output power), giving LED bulb manufacturers an alternative approach to significantly lower cost and tackle the lifetime and performance issues in dimmable applications. Both new LED drivers allow SSL designers to reduce their bill of materials (BOM) cost by 20% to 40% compared to competitive solutions. The iW3606 and iW3608 incorporate iWatt’s patented, configurable over-temperature protection (OTP) and derating functionality to provide predictability and reliability of bulb operating life and offer what the company believes is the industry’s lowest pop-on current, < 5% of light output. Designed for all retrofit bulbs, including candle and GU10 lamp replacements used in existing phase-cut dimmer installations, the iW3606 and iW3608 manage the key issues that could impact consumer adoption of SSL lighting, including poor dimming performance (pop-on, popcorning, dead travel, drop-out, flicker), short bulb lifetime or failure, and high cost. Both drivers meet or exceed global regulations for power quality and efficiency with a high power factor (PF) of > 0.92, low total harmonic distortion (THD) of < 20%, and high efficiency ³ 82%. The iW3606 and iW3608 have already been designed in to the next-generation of dimmable SSL bulb products from key iWatt customers. The on-chip over-temperature protection (OTP) and derating feature of the iW3606 and iW3608 addresses the thermal issues caused by the high and unpredictable operating temperatures in dimmable SSL applications. The lifetime of many of the components in the LED driver circuit, especially electrolytic capacitors, degrades as temperatures increase, potentially reducing overall bulb lifetime to less than 2,000 hours, well under the 30,000 to 50,000 hours expected for SSL bulbs. iWatt’s OTP derating monitors the temperature inside the sealed SSL bulb and when thermal conditions reach a point set by the system designer, the LED drivers automatically reduce the current drive to the LEDs, lowering the power dissipation and resulting in cooler overall operation. This helps prevent exceeding the temperature rating of the electrolytic capacitors in the system, helping to ensure a predictable and safer bulb operating life.

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