TPS54226PWPR Integrated Circuits (ICs)

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The TPS54226PWPR is a DC DC switching regulator that belongs to Power Management Integrated Circuit (PMIC) - Voltage Regulators category. It has a wide input voltage range suitable for portable and industrial applications. The device is capable of providing up to 2A of output current in a 2.5 x 2.3 mm, 8-pin wafer-level package with a maximum power density of 830 mW/mm². This article discusses the application field and working principle of TPS54226PWPR in detail.

Application Field

The TPS54226PWPR is suitable for a wide range of applications that require high efficiency, such as power management in smart phones and tablets. The device can also be used in industrial applications, such as providing power to distributed analog and digital nodes, instrumentation, function generators, protection systems, and automotive infotainment, as well as sensors, I/O systems, and 3V point-of-load power systems. Additionally, the device can be used in other applications such as TV, LCD monitors and LED lighting.

Working Principle

The TPS54226PWPR leverages a synchronous buck-boost topology that provides efficient and quiet operation. This Buck-Boost architecture integrates a low-loss synchronous Buck FET and a low-loss synchronous Boost FET to deliver a regulated output voltage that is independent of input voltage or load current. The device also features a 128-kHz fixed-frequency pulse width modulation (PWM) architecture with 1% accuracy. This helps to not only reduce audible noise, but also improve light load efficiency by shifting to pulse frequency modulation (PFM) mode at light load conditions.

Furthermore, the TPS54226PWPR integrates protection functions with high accuracy. The device includes a foldback-current limit with a programmable limit of up to 6A, thermal shutdown protection, and the detection of multiple conditions. The device also features high-precision voltage reference and compensation circuits, ensuring the output voltage is precise and stable.

In addition, TPS54226PWPR has very small external components and requires no bias winding. This helps to reduce the total cost and size of the application. Furthermore, the device has wide input voltage operating range, allowing for flexibility in various applications. This device also enables for easy implementation with the smart power selector (SPS) feature which enables dynamic voltage jumps and EMI reduction.

Conclusion

In conclusion, the TPS54226PWPR is a high-precision, efficient, and reliable DC DC switching regulator from the PMIC - Voltage Regulators category. It provides up to 2A of output current with a maximum power density of 830 mW/mm² in a 2.5 x 2.3 mm, 8-pin wafer-level package. It is suitable for a wide range of applications, such as power management in smart phones and tablets, and provides excellent protection features, high-precision voltage reference and compensation circuits, and dynamic voltage jumps and EMI reduction. This makes it an ideal choice for a wide range of applications.

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