TPS650830ZAJR

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TPS650830ZAJR is a special purpose voltage regulator that provides the advanced features needed for powering advanced and smart products such as tablets, smart phones, and notebook computers. The range of input voltages and output currents supported by the device makes it suitable for many applications.

Features

• Wide Input Voltage Range (1.8V - 5.5V)
• High-Current Output: up to 5A
• High Equivalent Series Resistance (ESR)
• programmable Voltage Settings: up to 24V
• Programmable switching Frequency
• Active Current Balancing for Multiple Outputs
• Adaptive Input Power Mapping for Configurable Outputs

Applications

• Tablets
• Smart phones
• Notebook computers
• Medical devices
• Industrial automation equipment

Working Principle

The TPS650830ZAJR is a synchronous buck converter with integrated high-side and low-side MOSFETs and a high-efficiency current-mode control architecture. It allows for a wide range of input and output voltages and currents. It also supports a configurable output voltage and allows for the programming of the switching frequency, the current limit and the soft-start ramp rate.

The device operates in fixed-frequency, and the output voltage is regulated by modulating the duty cycle of the switching MOSFETs. The power MOSFETs are actively balanced to ensure a uniform operating load on each switch and to optimize efficiency. A differential input voltage sensing circuit is used to regulate the output voltage, and the voltage programming is done via an external voltage divider, for improved accuracy.

The device also supports a power management interface, which allows for the auto-configuration of the device based on the connected components. This ensures the best efficiency and performance. The TPS650830ZAJR also features over-current protection, over-temperature protection, and under-voltage lockout, as well as a wide range of other features that make it suitable for use in many applications.

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