TPS62150RGTRF0

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TPS62150RGTRF0 is a DC-DC switching regulator designed to provide the best power management solution for low power, space-constrained applications. It integrates a 500mA, 0.8V to 4.2V synchronous step-down DC-DC converter, programmable low battery detection, and a current protection circuit in a 32-pin HVQFN package. The device is designed to deliver high efficiency at light load while providing excellent thermal performance.

The application field of the TPS62150RGTRF0 covers a wide range of DC-DC voltage regulator applications, including, but not limited to, embedded systems, battery-powered equipment, industrial and automotive applications. Specifically, it is suitable for small and cost-sensitive applications with limited power budget and tight board space constraints. It is optimized for low I/O count, low operating power consumption and low cost solution.

The working principle of the TPS62150RGTRF0 is based on a synchronous buck architecture. It includes a voltage sensed Power MOSFET, an internal compensation network, a current limit protection circuit, a load disconnect circuit, and support for an external voltage sense. An optional selenium battery (LVD) detector is available to detect low battery. The power MOSFET switching frequency is programmable up to 2MHz, which allows the user to adjust the switching frequency to minimize noise, EMI and minimize size of the external components.

The voltage regulator uses a three-stage architecture to provide a constant output voltage with a high degree of accuracy. In the first stage, an internal loop-error amplifier monitors the output voltage and provides feedback to the current limit protection circuit. In the second stage, the current limit protection circuit senses the load current and compares it to the programmed current limit threshold.

The third stage is the load disconnect circuit. The load disconnect circuit contributes to the overall system efficiency by disconnecting the load from the regulator when the load current is below the programmed current limit. In addition, the load disconnect helps reduce the power consumption of the regulator and its overall power management capability.

Overall, the TPS62150RGTRF0 is an ideal DC-DC voltage regulator for low power, space constrained applications. Because of its integrated features, it effectively reduces the external component count, saves board space and reduces the overall costs.

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