Texas Instruments Inc (TXN)

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First 12-bit, 29-kHz RGB LED driver family enables vivid color and seamless animation with zero audible noise

Source: PR Newswire (US)
DALLAS, Nov. 28, 2018 /PRNewswire/ -- Texas Instruments (TI) (NASDAQ: TXN) today introduced a new family of LED drivers with integrated, independent color mixing, brightness control and a power-saving mode. The LP5018, LP5024, LP5030 and LP5036 enable smooth, vivid color and reduce system power consumption. For more information, see www.ti.com/lp5018-pr, www.ti.com/lp5024-pr, www.ti.com/lp5030-pr and www.ti.com/lp5036-pr.

The devices are the industry's first to offer a 29-kHz dimming frequency, above human-audible range, to help designers of applications that use a human-machine interface, such as portable electronics, building automation and appliances, eliminate the noise typically heard when dimming lights. Additionally, designers can achieve smoother color and brightness-level adjustments compared to standard pulse-width modulation (PWM) solutions, by taking advantage of the devices' integrated 12-bit PWM generator.

New LED drivers from TI help designers reduce power consumption and improve total system efficiency in human-machine interface applications

Key features and benefits of the LP5018, LP5024, LP5030 and LP5036 LED drivers

High-resolution PWM dimming: The devices in TI's LP50xx family integrate a 12-bit PWM generator that operates above a human-audible frequency, at 29 kHz per channel, enabling smooth, vivid color with zero audible noise.
Ultra-low quiescent current: An integrated power-saving mode dramatically reduces power consumption to as low as 0.01 mA from the typical 9 mA offered in existing devices, improving total system efficiency in standby mode.
Multichannel options: 18-, 24-, 30- and 36-channel options provide independent color mixing and brightness control, while three integrated, programmable banks enable simplified software coding and ease of design.
Tools and support to speed design

Designers can download LP50xx graphical user interface software to easily configure the LP5018, LP5024, LP5030 and LP5036 LED drivers. Engineers can jump-start their designs with the LP5024EVM and LP5036EVM evaluation modules.

See how to implement sophisticated lighting patterns for end equipments with a constant voltage supply using the "Various LED Ring Lighting Patterns" reference design. The design utilizes two LP5024 LED drivers to dynamically adjust brightness without impacting contrast ratios in ambient lighting situations.

Package, availability and pricing

The LP5018 and LP5024 LED drivers are available now in the TI store. Additionally, preproduction samples of the LP5030 and LP5036 are available now in the TI store. The table below lists pricing and package type.

Product

Channels

Package type

Price

(1,000-unit quantities)

Order now from the TI store

LP5018

18

4-mm-by-4-mm quad flat no-lead (QFN)

US$0.73

LP5018RSMR

LP5024

24

4-mm-by-4-mm QFN

US$0.82

LP5024RSMR

LP5030

30

5-mm-by-6-mm QFN

US$0.97

PLP5030RJVR

LP5036

36

5-mm-by-6-mm QFN

US$1.08

PLP5036RJVR

These new LED drivers with integrated PWM join TI's extensive LED driver integrated circuit (IC) product portfolio, design tools, and technical resources that can help electronics designers add innovative lighting features to their systems.

Find out more about TI's LP5018, LP5024, LP5030 and LP5036 LED drivers

Read the blog post, "Using an RGBW LED driver to elevate LED human machine interface designs."
Watch the video, "LP50X LED drivers: achieve optimal color and brightness with zero audible noise."
Download the LP5024 and LP5018 PSpice transient model.
About Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog integrated circuits (ICs) and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping approximately 100,000 customers transform the future, today. Learn more at www.TI.com.

Texas Instruments Logo. (PRNewsfoto/Texas Instruments)



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