TPS56921PWPR

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TPS56921PWPR (Power−Supply−Core Pwr Regulator With Power−Efficiency–Pls Hs−Knob Comprtr) is a 5-A high-efficiency and high-current DC-DC controller with a narrow range of operating voltages over a wide temperature range, and a power-efficiency knob feature which allows users to optimize the converter’s performance, power consumption and efficiency. The switching frequency of the TPS56921PWPR, based on the user’s set value, can be between 100 kHz to 1 MHz. It also features brownout protection and comes with integrated soft start for hassle-free operation.

The TPS56921PWPR is especially suitable for medium to high-power applications. It is ideal for Power over Ethernet (PoE) applications, providing high-efficiency and high-current operation for applications such as access points/routers, VoIP/IP phones, digital cameras, and industrial control systems. It is also applicable for 3.3 V and 5 V intermediate bus architectures and Distributed Power Architecture applications.

The TPS56921PWPR operates in two modes, step-down (buck) and step-up (boost). Step-down (buck) operation allows the device to provide a regulated output voltage of up to 5 A with 32 V maximum input voltage and 200 mV minimum output voltage. Step-up (boost) operation enables the device to provide a regulated output voltage of up to 5 A with 12 V maximum input voltage and 40 V minimum output voltage.

The TPS56921PWPR supports 5-A continuous output current, 7-A peak current and 630 nW no load power. It is also very efficient with peak efficiency up to 95%. This helps reduce the size of the power supply and lower the overall board size. In addition, the integrated power efficiency knob reduces the device’s power consumption over 25% compared with traditional PMICs.

The TPS56921PWPR has an integrated MOSFET with an adjustment range of 0 to 8 V. It also features different Over Power Protection (OPP) levels for linear and switching loads. The protection levels are adjustable by changing the values of digital input resistors and feature real-time OPP functionality. This makes the device suitable for applications that require tight voltage regulation and current sense control.

The TPS56921PWPR also supports PFM/PWM mode switching. With the built-in PFM/PWM controller, the device can automatically switch between PFM and PWM operation to maximize efficiency and ripple voltage across the load. The device also supports programmable output voltage range, enabling users to set the desired output voltage and range.

In addition, TPS56921PWPR offers multiple protection features including, but not limited to, over-current (OCP), under-voltage (UVP), overvoltage (OVP) and thermal shutdown (TSD). It also features short circuit protection (SCP) and programmable slew rate (PSR) for advanced current limit protection. The whole package operates from -40 to 85 degree Celsius junction temperature.

TPS56921PWPR is an advanced DC-DC controller with high-efficiency, high-current switching and adjustable operating parameters. It is suitable for medium to high-power applications such as PoE, 3.3 V and 5 V intermediate bus architectures, and Distributed Power Architecture systems. With an integrated MOSFET, PFM/PWM mode switching, and multiple protection features, the TPS56921PWPR is a reliable and powerful DC-DC converter.

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