TPS92638QPWPRQ1

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Power management integrated circuits (PMICs) are sophisticated electronic devices that enable consistent performance while minimizing power consumption. They are used in consumer and industrial applications to enable efficient energy transfer between components, such as motor drivers, lighting regulators and power converters. As energy-efficient solutions become more important, the adoption of PMICs in automotive, consumer, healthcare and industrial applications is rising.
The TPS92638QPWPRQ1 PMIC is part of Texas Instruments’ NeuroShield family, which includes power-efficient devices for lighting and display applications. It is optimized for light-emitting diode (LED) drivers, and is capable of controlling the brightness, voltage and temperature of the lighting system. This PMIC can be used in both single-channel and multi-channel applications, allowing for higher power outputs.
The working principle of the TPS92638QPWPRQ1 PMIC can be divided into four stages: power up, current control, dimming control, and low-voltage safety. When the system is powered up, the PMIC activates with internal circuitry and then controls the current or voltage of the LED channels through a sense resistor. With dimming control, the brightness of the LED is set according to the dimming signal. Finally, the low-voltage safety prevents the LED from over-sinking current and aligns with required LED current profiles.
The TPS92638QPWPRQ1 PMIC is suitable for use in LED backlighting, area lighting, and signage applications. Key features include high-efficiency power factor correction (PFC), an adjustable latch-off protection level, an adjustable dimming rate, and several dimming methods. It is able to operate a wide range of digital controllers from NXP. Compared to other LED drivers, this PMIC has a smaller size and lower power consumption. It is offered in a 32-pin QFN package, providing thermal and electrical performance optimization.
In summary, the TPS92638QPWPRQ1 PMIC is a power-efficient device that can be used in LED driver applications. It offers several features to improve energy efficiency and reduce the overall power consumption of the system. Its performance is optimized for use in lighting and display applications, providing the highest efficiency in a compact package.

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