AnalogicTech introduces a six-channel backlight charge pump

Advanced Analogic Technologies Inc. (Nasdaq: AATI), a power management semiconductor developer for mobile consumer electronics, today introduced the versatile, high efficiency dual charge pump AAT2803 .

The device supports white LED (light-emitting diode) backlighting and camera flash applications for portable systems (with polymer lithium-ion batteries). The AAT2803 can individually control three independent LED groups (two for backlighting and one for camera flash) and is equipped with seven channels (six for backlighting and one for camera flash). In addition, the AAT2803 greatly saves power and space in handheld devices equipped with two displays, and adds a light load mode to minimize power consumption when the handheld's display is in standby.

KinShum, director of strategic marketing at AnalogicTech, said: "Most of today's handheld devices are equipped with two displays: either a clamshell design (the primary display, the secondary display) or an upright design (with a primary display and backlight). Keyboard). By combining separate control of two separate backlight LED groups (with flash function) with light-load mode, the AAT2803 charge pump can help designers save energy while reducing component count and package size. ”

Maximize efficiency

The backlight charge pump can drive up to six LEDs at 180mA. The device can individually control two sets of four and two LEDs to provide backlighting for the primary and secondary displays. Output operations can be performed independently or in parallel.

The AAT2803 uses AnalogicTech's AS2Cwire(TM) (Advanced Simple Serial Control(TM)) digital interface to turn the LED on, off, or set for any of the 16 log scale ranges.

Four low current settings make it possible to operate in light load mode as low as 50uA (general).

The backlight charge pump operates in 1X, 1.5X, and 2X modes to maximize power efficiency. The operating mode is automatically selected by comparing the forward voltage and input voltage of each LED. The optimized sink current minimizes the voltage space required to drive each LED and maximizes power efficiency by extending the time the device is in 1X mode before switching to 1.5X mode.

Unlike most integrated solutions on the market today, the AAT2803 uses a dedicated charge pump to support backlighting. Therefore, its backlighting operation is not affected by the photographic flash because the photographic flash is driven by a separate charge pump engine.

Flash function

For flash applications, the device enables integration between the charge pump and the regulated output voltage. The circuit's continuous current is up to 120mA and the pulse current is up to 300mA. The circuit also adds a separate start pin to maximize system flexibility.

The AAT2803 has built-in integrated thermal protection that automatically shuts down in the event of an overload short circuit. Its smooth start circuit prevents current overload during start-up. By using a constant switching frequency of 1MHz, designers can support the device with ultra-small ceramic capacitors.

Pricing and listing

The AAT2803 will be available in a lead-free, thermally enhanced 24-pin QFN44 package with a temperature range of minus 40 to 80 degrees. The unit is priced at $1.97 (per 1000 lots).

Introduction to Analogic Logic

AnalogicTech is a power management semiconductor supplier for mobile consumer electronics devices, including wireless handsets, notebooks and tablets, smart phones, digital cameras and digital audio players. The company is committed to design and sales based on the specific power management needs of consumer, communications and computing applications in these constantly updated devices. Based in Sunnyvale, Calif., AnalogicTech has offices in Beijing, Hong Kong, Japan, Shanghai, Shenzhen, Korea, Sweden and Taiwan, and has a worldwide network of sales representatives and distributors. For more information, please visit the AnalogicTech website at http:// (AnalogicTech - G).

Disclaimer under the US Private Securities Litigation Reform Act of 1995

The matters discussed in this press release are forward-looking statements other than those that have historical facts. The forward-looking statements are defined by the 1995 Private Securities Litigation Reform Act (Private Securities Litigation Reform Act). Forward-looking statements, including financial plans and forecasts, involve a number of risks and uncertainties and may cause significant discrepancies between the actual performance of AnalogicTech and current forecasts.

Factors that could cause actual results to differ materially from forward-looking statements include: cancellation or modification of customer orders; failure to make accurate forecasts of product requirements; cancellation or reduction of orders by any significant customer; Fluctuations; the company's failure to develop new products; the company's products are flawed or flawed; the costs and uncertainties associated with designing to win customers; the financial strength of product distributors; consumers for mobile phones and Demand for other mobile consumer electronic devices; global economic and political environment, especially in Asia; changes in production costs of products; reliance on third parties for the production, testing, assembly and transportation of their products; the company attracts and retains key talent Capability; competitiveness; the company's ability to protect its intellectual property without infringing on its intellectual property.

Other factors that may cause actual results to differ from the forward-looking statements in this press release and factors that may affect the company's overall forecast can be found in the company's filings with the US Securities and Exchange Commission, including the company's FormS-1 form. Formal submission of the initial public offering listing registration form. AnalogicTech does not undertake any obligation to update or revise any forward-looking statements contained in this document based on future events or developments. Sunnyvale, Calif., October 19 /Xinhua-PRNewswire/ -- This device improves power efficiency and integration by controlling three separate LED groups individually.

Advanced Analogic Technologies Inc. (Nasdaq: AATI), a power management semiconductor developer for mobile consumer electronics, today introduced the versatile, high efficiency dual charge pump AAT2803 . The device supports white LED (light-emitting diode) backlighting and camera flash applications for portable systems (with polymer lithium-ion batteries). The AAT2803 can individually control three independent LED groups (two for backlighting and one for camera flash) and is equipped with seven channels (six for backlighting and one for camera flash). In addition, the AAT2803 greatly saves power and space in handheld devices equipped with two displays, and adds a light load mode to minimize power consumption when the handheld's display is in standby.

KinShum, director of strategic marketing at AnalogicTech, said: "Most of today's handheld devices are equipped with two displays: either a clamshell design (the primary display, the secondary display) or an upright design (with a primary display and backlight). Keyboard). By combining separate control of two separate backlight LED groups (with flash function) with light-load mode, the AAT2803 charge pump can help designers save energy while reducing component count and package size. ”

Maximize efficiency

The backlight charge pump can drive up to six LEDs at 180mA. The device can individually control two sets of four and two LEDs to provide backlighting for the primary and secondary displays. Output operations can be performed independently or in parallel.

The AAT2803 uses AnalogicTech's AS2Cwire(TM) (Advanced Simple Serial Control(TM)) digital interface to turn the LED on, off, or set for any of the 16 log scale ranges.

Four low current settings make it possible to operate in light load mode as low as 50uA (general).

The backlight charge pump operates in 1X, 1.5X, and 2X modes to maximize power efficiency. The operating mode is automatically selected by comparing the forward voltage and input voltage of each LED. The optimized sink current minimizes the voltage space required to drive each LED and maximizes power efficiency by extending the time the device is in 1X mode before switching to 1.5X mode.

Unlike most integrated solutions on the market today, the AAT2803 uses a dedicated charge pump to support backlighting. Therefore, its backlighting operation is not affected by the photographic flash because the photographic flash is driven by a separate charge pump engine.

Flash function

For flash applications, the device enables integration between the charge pump and the regulated output voltage. The circuit's continuous current is up to 120mA and the pulse current is up to 300mA. The circuit also adds a separate start pin to maximize system flexibility.

The AAT2803 has built-in integrated thermal protection that automatically shuts down in the event of an overload short circuit. Its smooth start circuit prevents current overload during start-up. By using a constant switching frequency of 1MHz, designers can support the device with ultra-small ceramic capacitors.

Pricing and listing

The AAT2803 will be available in a lead-free, thermally enhanced 24-pin QFN44 package with a temperature range of minus 40 to 80 degrees. The unit is priced at $1.97 (per 1000 lots).

Introduction to Analogic Logic

AnalogicTech is a power management semiconductor supplier for mobile consumer electronics devices, including wireless handsets, notebooks and tablets, smart phones, digital cameras and digital audio players. The company is committed to design and sales based on the specific power management needs of consumer, communications and computing applications in these constantly updated devices. Based in Sunnyvale, Calif., AnalogicTech has offices in Beijing, Hong Kong, Japan, Shanghai, Shenzhen, Korea, Sweden and Taiwan, and has a worldwide network of sales representatives and distributors. For more information, please visit the AnalogicTech website at http:// (AnalogicTech - G).

Disclaimer under the US Private Securities Litigation Reform Act of 1995

The matters discussed in this press release are forward-looking statements other than those that have historical facts. The forward-looking statements are defined by the 1995 Private Securities Litigation Reform Act (Private Securities Litigation Reform Act). Forward-looking statements, including financial plans and forecasts, involve a number of risks and uncertainties and may cause significant discrepancies between the actual performance of AnalogicTech and current forecasts.

Factors that could cause actual results to differ materially from forward-looking statements include: cancellation or modification of customer orders; failure to make accurate forecasts of product requirements; cancellation or reduction of orders by any significant customer; Fluctuations; the company's failure to develop new products; the company's products are flawed or flawed; the costs and uncertainties associated with designing to win customers; the financial strength of product distributors; consumers for mobile phones and Demand for other mobile consumer electronic devices; global economic and political environment, especially in Asia; changes in production costs of products;

The company's reliance on third parties for the production, testing, assembly and transportation of its products; the company's ability to attract and retain key talent; competitiveness; the company's ability to protect its intellectual property while not infringing on its intellectual property rights .

Other factors that may cause actual results to differ from the forward-looking statements in this press release and factors that may affect the company's overall forecast can be found in the company's filings with the US Securities and Exchange Commission, including the company's FormS-1 form. Formal submission of the initial public offering listing registration form. AnalogicTech does not undertake any obligation to update or revise any forward-looking statements contained in this document based on future events or developments.

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