TPS92513DGQR Integrated Circuits (ICs)

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Introduction to TPS92513DGQR

TPS92513DGQR is a Texas Instruments PMIC - LED Drivers device. It is a highly integrated, ultra-compact and low-cost 1W/3W LED driver.

Application Field

The TPS92513DGQR LED Driver is suitable for a wide range of LED lighting applications, most notably backlighting, augmenting, and decorative lighting. In addition, it could also be utilized for light bulb replacement applications. It has an operating temperature range from -40℃ to +85℃ and is equipped with an integrated current sense amplifier, making it highly suitable for high power applications in which power and current monitoring is required.

TPS92513DGQR is ideal for low-power LED lighting projects. With its low-cost and low power consumption, it can be used in energy efficient applications such as solar powered LED lights, as well as in-vehicle LED applications. The integrated current sense amplifier allows precise current regulation, which is essential for ensuring accurate LED brightness control and maximum system efficiency.

Working Principle

TPS92513DGQR LED Drivers are based on a buck DC-DC converter topology. The device operates in a frequency range of 100kHz to 1MHz, allowing for precise and accurate current control. The current mode control ensures high efficiency and fast transient response.

The TPS92513DGQR is equipped with a two-stage dimming function. The first stage is a resistive dimming, which is used in dimming applications that require linear dimming over a wide range of brightness levels. The second stage is a PWM dimming, which is used to control the LED light output, such as those that require dimming in several steps or with a certain level of dimness. PWM dimming can be used to manipulate the LED light output as required by the application.

The TPS92513DGQR is also equipped with an over-temperature protection feature that shuts off the regulator in case of excessive temperature, preventing any damage to the device. It also includes thermal shutdown protection, over voltage protection and UVLO protection. The integrated current sense amplifier is used to provide precise current control and readback.

In addition, the TPS92513DGQR also offers a programmable over voltage protection that enables the device to switch off the regulator before its input voltage is exceeded. The device is also able to operate in independent stand-alone mode or in an interrupt mode, allowing for easy system integration.

The TPS92513DGQR is a highly integrated and ultra-compact LED driver that offers excellent performance in low cost and low power applications. It is suitable for a wide range of LED lighting applications and can provide precise and accurate current control, making it an ideal choice for energy efficient and high power LED lighting applications.

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