TPS53129PW

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PMIC - Voltage Regulators - DC DC Switching Controllers - TPS53129PW application field and working principle

Texas Instruments\' TPS53129PW is a high efficiency, low voltage synchronous buck converter with integrated high-side and low-side MOSFETs. It offers PoL (point of load), with up to 4.5A switching current, a wide range of adjustable output voltages and an easy to use monitoring system. It has an integrated programmable frequency circuit with a delay and soft start sequence, as well as full protection functionality.

This device offers a power saving and cost-effective solution for steady DC loads and point-of-use applications typically found in laptop and desktop PCs, servers, gaming consoles and communications equipment. It also provides manufacturers with a variety of advanced features, such as current and temperature sensing, Over Voltage Protection (OVP), Over Current Protection (OCP) and Under Voltage Lockout (UVLO).

Features:

• Operates from input voltages up to 4.5V
• Integrated high-side and low-side MOSFETs with 4.5A switch current
• Programmable frequency for power savings
• Flexible control options including output voltage tracking and synchronization
• Current and temperature sensing, Over Voltage Protection (OVP), Over Current Protection (OCP) and Under Voltage Lockout (UVLO)
• Simple monitoring system with boost and power good signals

Applications:

• Notebook and desktop PCs
• Servers and communications equipment
• Industrial and embedded applications
• Gaming consoles

Working Principle:

The TPS53129PW operates by regulating the voltage on the drain of its integrated MOSFETs. The switching frequency can be programmed through an internal frequency control circuit, allowing for the optimization of power efficiency. The TPS53129PW also features high-side and low-side current sensing, allowing for the optimization of the current delivery to the load in real-time. It also features a set of programmable protection features, such as Over Voltage Protection (OVP), Over Current Protection (OCP) and Under Voltage Lockout (UVLO), which protect the device and load from any possible damaging effects.

The TPS53129PW provides an easy to use monitoring system, including a boost and power good signal, to regulate output voltage and ensure reliability and safety. Additionally, this device offers the possibility of synchronization with an external clock signal, allowing for improved performance in applications that require tight voltage control.

Conclusion:

The TPS53129PW is a high efficiency, low voltage synchronous buck converter with integrated high-side and low-side MOSFETs. It offers power saving and cost-effective solutions for steady DC loads and point-of-use applications typically found in laptops and desktops, servers and gaming consoles, as well as communications equipment. It also provides manufacturers with a variety of advanced features and a simple monitoring system, allowing for improved performance and reliability.

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