TPS51727RHAR Integrated Circuits (ICs)

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The TPS51727RHAR is a high-efficiency, current mode, synchronous step-down DC-DC voltage regulator controller that provides more flexibility and power savings for high-current low-voltage applications. The device operates from 4.5V to 16V range, supports load currents up to 5A, and can reduce total power profile as compared with traditional solutions. The TPS51727RHAR device integrates features that simplify the design process and maintain power savings during transient load changes.

The TPS51727RHAR device uses a phase-locked loop (PLL) architecture to synchronize to an external clock up to 1MHz frequency. The device supports internal clock operation, allowing the user to choose the appropriate clock frequency, depending on their power delivery needs. This highly accurate clock frequency provides the flexibility to deliver optimized power performance while controlling the ripple and noise on the output voltage.

The TPS51727RHAR device is perfect for use in applications such as automotive (HEV/EV, powertrain, and power electronics) and industrial (HVAC, motor drive, and data storage). With its integrated inductor size detection and inductor current limit, the device provides a cost-effective solution that offers superior performance in terms of output voltage accuracy and transient response, as well as providing low ripple and noise and configurable loop compensation.

The TPS51727RHAR device uses current-mode, continuous conduction mode (CCM) to regulate the output voltage. With the combination of the current-mode PWM control and the synchronous rectifier, the TPS51727RHAR device can maintain power efficiency and improve power conversion capabilities, even during load transients. The device supports up to 5A output load current, making it an ideal solution for energy-efficient applications.

The TPS51727RHAR device integrates a wide range of features to reduce the design time and effort. It supports different programmable loop compensation modes, including voltage-mode, fast-response mode, and DCR current-sensing mode. The device also offers programmable soft start, Power-on Reset (POR) delay, and auto-discharge of bootstrap capacitor on stop, reducing the need to use additional external components. In addition, the device also has an adjustable output voltage, as well as a configurable programmable output disconnect.

The TPS51727RHAR device also features over-voltage protection (OVP), thermal shutdown (TSD), short-circuit protection (SCP), and under-voltage lockout (UVLO). These features allow for a safer operation, providing the user with additional protection against over-current, over-voltage, and thermal shutdown conditions. The device also has an integrated VCC voltage regulator for battery protection and power sequencing feature for sequential start-up.

Overall, the key features of the TPS51727RHAR Voltage regulators make it an excellent choice for high-current, low voltage applications. The device features low output ripple and noise, precise output voltage regulation and fast transient response, enabling superior power conversion efficiency while providing superior performance and cost savings.

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