TPS61100PWRG4

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The TPS61100PWRG4 Power Management IC (PMIC) is a Voltage Regulator—a device that maintains a constant voltage to prevent over-voltage or under-voltage power fluctuations. TPS61100PWRG4 is a Linear + Switching voltage regulator, designed to provide both linear output voltage and switching voltage regulation. The device enables designers to select the appropriate operating mode based on the output current requirement, application type and efficiency goals.

The TPS61100PWRG4 is ideal for applications like low power displays, consumer products, smoke detectors and appliances. The device is specifically designed for powering single-cell Lithium-Ion (Li-Ion) and three-cell Alkaline/ NiMH batteries. The TPS61100PWRG4 comes with an integrated charge pump, with an external N-material MOSFET, allowing it to work with an input voltage range of 2.7V to 5.5V. The device has a maximum rated output voltage of 4V, with an adjustable current limit of 0.3A to 1.3A. It also features full thermal shutdown protection, internal soft-start and over-temperature protection.

The TPS61100PWRG4 integrates a synchronous PFM controller and a N-channel MOSFET for high efficiency voltage conversion. The combination of linear and switching outputs is what sets TPS61100PWRG4 apart from other PMICs. The linear output voltage maintains a steady voltage level which ensures the stability of the connected loads. The switching voltage regulation works in specific load conditions to maximize the overall efficiency of the system by achieving full conversion of power.

The external N-material MOSFET of the TPS61100PWRG4 facilitates very high efficiency, low quiescent current, low in-rush current and minimal voltage transients. Additionally, this feature allows it to operate at a very low switching frequency, reducing the switching noise and power losses. Moreover, the device has a very high efficiency at light-load conditions, which makes it ideal for system designs that require high efficiency, over a wide range of output current profiles.

The TPS61100PWRG4’s integrated charge pump is designed for applications such as supply line start-up into USB and I2C interfaces. This allows for short startup times, and improved power noise performance. Furthermore, the device has an internal soft start which ensures a smooth output voltage after power up. This allows for a stable system operation and helps reduce the peak current during start-up.

In addition to the features mentioned above, the TPS61100PWRG4 also has full thermal shutdown protection, over-temperature protection, and output voltage accuracy of ±2.5%. This helps ensure a stable system operation and provides protection against possible overloads. Furthermore, the device is RoHS compliant and halide-free to ensure reliable operation in high-temperature environments.

The TPS61100PWRG4 is an efficient and reliable voltage regulator that combines linear output voltage and switching voltage regulation. Its wide input voltage range and current limiting functionality make it ideal for a variety of applications. Additionally, its integrated charge pump and various protection mechanisms help ensure reliable operation in the most challenging operating conditions.

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