TPS92561DGNR

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PMIC - LED Drivers

TPS92561DGNR is a high power white LED driver with an integrated DC-DC converter and a switch mode boost regulator. The device is specially designed to drive LED strings with up to 14 LED devices in series to achieve the highest LED current accuracy and system efficiency. This LED driver also features a high efficiency internal switch mode boost regulator and up to 95% system efficiency. Moreover, the integrated ultra-small DC-DC converter allows for a smaller form factor.

Features

• Integrated DC-DC converter
• Integrated switch mode boost regulator
• Up to 95% system efficiency
• Up to 14 series LED devices
• High LED current accuracy
• I2C Interface
• Ultra-small form factor
• Wide operating temperature range

Application Field

The TPS92561DGNR is a great choice for drivers that require a high level of accuracy and efficiency. It is commonly used in LED lighting systems, automotive and automotive interior lighting, signage and display backlighting, as well as battery powered applications that require higher efficiency and longer run times.

Working Principle

The TPS92561DGNR utilizes an integrated DC-DC converter and a switch mode boost regulator to provide the power to drive an LED string with up to 14 series LED devices. The device is designed to achieve the highest LED current accuracy and system efficiency. The high system efficiency of up to 95% and ultra-small form factor of the device allows for the use of the TPS92561DGNR in a range of high power applications.

The device also features an I2C interface, allowing users to control and monitor the LED current. The I2C interface also provides a wide range of user settings such as output current, dimming, temperature protection, and over current protection.

The TPS92561DGNR also includes over-voltage protection, under-voltage lockout and a constant on-time control loop for the best performance without the requirement of any external components. This feature ensures that the LED current remains constant even when a high load is applied.

The device also has a wide operating temperature range, making it suitable for a range of applications.

Conclusion

The TPS92561DGNR LED driver from Texas Instruments is a great choice for applications that require high LED current accuracy and system efficiency, making it suitable for LED lighting systems, automotive and automotive interior lighting, signage and display backlighting, as well as battery powered applications. The integrated DC-DC converter and switch mode boost regulator make the device highly efficient with up to 95% system efficiency. The integrated I2C interface allows for the control and monitoring of the LED current, along with other user settings such as dimming and temperature protection. The device also has a wide operating temperature range, making it suitable for a range of applications.

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