TPS92663QPWPRQ1

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Introduction on TPS92663QPWPRQ1

TPS92663QPWPRQ1 is a LED driver IC (Integrated Circuit) released by Texas Instruments. It is a PMIC (Power Management Integrated Circuit) integrated LED driver which provides flicker-free, full range of dim-leveling current between 0.3 and 1.8A to drive LED strings. The low-side drive configuration demonstrates excellent performance and high-accuracy current control, allowing maximum load-driving capacity and supporting today’s full range of LED power sources. The PMIC - LED Drivers can be applied on many electronic projects including LED display panels, LED lighting products, automotive headlights, etc.

Application Field

TPS92663QPWPRQ1 can be used in applications such as display backlighting, automotive headlight and general one- to five-channel LED lighting. The PMIC - LED Drivers is available in the QFN or SOT-23 package 6mm×6mm form factor.

Automotive Applications

TPS92663QPWPRQ1 PMIC - LED Drivers can be used for automotive headlight applications. The integrated switched controller with digital interface offers enhanced control flexibility for automotive headlamp applications with linear dimming control and digital communication. The integrated logic controller implements a one-wire dimming interface for digital protocols such as LIN, CAN, and PWM for analog inputs.

Commercial Lighting

The TPS92663QPWPRQ1 PMIC - LED Drivers are also applicable in commercial lighting, especially in LED display panels. The integrated linear dimming control allows the device to provide smooth dimming levels at submilliamp levels. The low-side configuration not only offers maximum number of LED strings capable of being driven, but also minimizes the stress on a separate power supply line.

General LED Lighting

The TPS92663QPWPRQ1 PMIC - LED Drivers can be used for a range of LED lighting applications including indoor and outdoor lighting. The device can drive up to five LED strings making it ideal for applications that require multiple strings of LEDs such as stair lighting, accent lighting, architectural lighting, etc. The integrated linear dimming control makes it easy for users to control the LED brightness.

Working Principle

The TPS92663QPWPRQ1 PMIC - LED Drivers adopts the standard constant-voltage-current (CC) topology. Each string is driven by a linear regulator, which produces a regulated constant current that is supplied to the respective LED string. The linear regulator acts as a voltage-controlled current source controlling the amount of current flowing to the string.To increase the accuracy of the current regulation, TPS92663QPWPRQ1 integrates a high-resolution DAC (digital-to-analog converter) to monitor and adjust the current through the LED string. The DAC can adjust the current within a range of 0.3A to 1.8A for each string for measurable and repeatable current settings.In addition, TPS92663QPWPRQ1 also integrates a switched controller to provide control flexibility. It features linear dimming control and digital communication protocols such as LIN, CAN, and PWM for both dim time adjustment and brightness adjustment.

Conclusion

In conclusion, the TPS92663QPWPRQ1 PMIC - LED Drivers is an excellent product with multiple applications. With its wide range of applications, the device can be used for automotive headlight, commercial lighting, and general LED lighting. Its integrated high resolution DAC and switched controller also make it reliable and precise in controlling the LED brightness.

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