TPS61050YZGT

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The TPS61050YZGT is a PMIC – LED Driver with a wide array of application fields and working principles.

At the most basic level, the device is designed to properly drive LEDs, such as those found in small portable devices and on circuit boards. A single chip can drive up to seven LEDs in parallel, with each LED individually adjustant in LED forward current and LED forward voltage. The TPS61050YZGT also features a 9V to 42V input voltage range, making it ideal for applications that require a wide input voltage range, such as ambient light sensing (ALS) or manual override modes. Further, the device has an adjustable output voltage range of 28V to 80V.

The TPS61050YZGT integrates four main components in one package, reducing board space: a high-side MOSFET, a low-side MOSFET, a PWM-controlled boost converter, and a low-power boost converter. The device uses a High Brightness (HB) LED model driver configuration and employs a step-down architecture for low operating current consumption. The device operates at constant current to maximize LED efficiency and to minimize light color shift over a wide temperature range.

The integrated components are further supported by several features, including thermal and short-circuit protection, open-LED detection, OVP/UVP, and continuous auto-restart. The device includes PC dimming via frequency input, making it ideal for applications that require automatic dimming. Lastly, the device\'s external components are optimized to minimize design time and effort while still providing easy adjustability of both the constant current and the output voltage.

In summary, the TPS61050YZGT is an integrated PMIC – LED Driver designed for applications requiring a wide input voltage range, maximum LED efficiency, and minimized design time and effort. With its integrated components and its comprehensive safety feature set, the TPS61050YZGT is the ideal choice for small portable devices and circuit boards.

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