TLC5929PWP

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The TLC5929PWP is a part of Texas Instruments\' family of Power Management Integrated Circuits (PMICs) specifically designed for LED Driver applications. It is an 8-channel current-mode LED driver featuring an advanced power management concept that reduces development time, component count and system cost. The TLC5929PWP offers enhanced performance and energy efficiency for LED applications including LED displays, LED lighting and mobile backlighting applications.

The TLC5929PWP uses a revolutionary current-mode architecture that employs three separate charge pumps and a linear voltage regulator to manage the LED operation in a highly efficient manner. By having the ability to regulate both the forward and the reverse current, the TLC5929PWP helps to minimize changes in brightness for different operating conditions. In addition, it helps to ensure that the desired level of brightness is maintained throughout the life of the device.

The TLC5929PWP has an integrated pulse-width-modulation (PWM) generator with an 8-bit resolution, allowing the user to precisely control the brightness of each output channel. With an adjustable maximum startup current, the device is able to provide high accuracy current driving and low power dissipation. This, combined with its built-in over temperature protection, short-circuit protection and thermal shutdown, offers robust system reliability while maintaining high efficiency.

The TLC5929PWP also has smart features such as an auto-shutdown option, a power-saving mode, output voltage and slew rate control, a brightness sequence control mode and other features that help to reduce the power consumption of the system, thus extending the battery life. In addition, it has a low quiescent current of 0.4 uA, allowing for very efficient and long-term operation.

The TLC5929PWP provides lots of flexibility for LED applications, such as a wide power supply range between 4.5V and 30V and a wide range of input current from 5mA to 20mA. It is also highly integrated and has a wide range of functions available including PWM dimming, current limiting, a low dropout voltage regulator, thermal shutdown and short-circuit protection. Finally, it has an excellent cost and performance ratio and provides the flexibility to meet the needs of all LED applications.

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