TPS92662QPHPRQ1 Integrated Circuits (ICs)

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LED drivers are typically ICs that control the constant current and constant voltage input requirements to light-emitting diodes (LEDs). This type of circuit is needed to protect the LED from incorrect voltage levels, which can cause it to degrade and eventually fail prematurely. The TPS92662QPHPRQ1 is an integrated, isolated high-power LED driver solution for high-power, high-brilliance lighting applications that require current control and a low number of external components.

The TPS92662QPHPRQ1 has a wide range of applications, from general purpose lighting to high-end automotive luminaires. It is designed to minimize system cost and complexity by reducing the need for additional circuitry and allowing for direct connection of the AC line for high-power applications. It is suitable for a wide range of LED power levels, from 1W to 250W.

The device includes an integrated oscillator and MOSFET drivers with adjustable dead time. It also includes several open loop current and voltage regulation methods, including open loop current regulation, fixed peak current detection, adjustable peak current detection and adjustable LED current regulation.

The TPS92662QPHPRQ1 works by receiving an input voltage at the AC line input and supplying an isolated output voltage to the LED circuitry. The device accepts an input voltage in the range of 85-264V input, which is then rectified and filtered to create a stable output voltage. The device then regulates the output voltage by regulating the average forward current to the LED.

The device also supports multiple dimming strategies, including TRIAC dimming, linear dimming, and pulse width modulation (PWM). The TRIAC dimming feature minimizes the need for external components, allowing for a low-cost solution for driver systems. The linear dimming feature provides linear control over brightness, allowing for finer control of the LED illumination. The PWM dimming feature can provide a wide range of brightness levels, from very low levels to full on.

The TPS92662QPHPRQ1 also includes comprehensive protection features, including input overvoltage protection (OVP), output overvoltage protection (OVP) and short circuit protection (SCP). It also includes an integrated thermal shutdown, which protects the device against thermal runaway.

The TPS92662QPHPRQ1 is a robust and reliable LED driver integrated solution, which is suitable for a wide range of applications. It is designed to minimize system cost and complexity, providing a low cost solution for LED drivers, while also providing high performance and reliable operation.

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