TPS40200DR Integrated Circuits (ICs)

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The TPS40200DR is a DC-DC switching controller offering a boost converter intended to ensure the safe and non-interrupted power supply of digital logic circuits. It is a power management IC (PMIC) from Texas Instruments, part of their extended range of DC-DC voltage regulators.

From a functionality perspective, this chip offers a control system for efficient DC-DC converters. TPS40200DR combines various features such as galvanic isolation, selectable operating mode and start up delay based on load current. It includes overvoltage and undervoltage protection and a preset internal isolation voltage of 4.3V.

The maximum peak output current of this chip goes up to 6A with input voltage between 4.5V and 26V, allowing it to work as a high-performance offline boost converter. Moreover, it provides an adjustable voltage reference, which is a comparator-based feed-forward control system, a feature necessary for the system’s high efficiency and low ripple in a non-inverted topologies configuration.

When talking about its applications, the TPS40200DR is mainly used in data-concentrator applications, digital logic circuits, power conversion systems and voltage monitoring circuit applications. It can be used to optimize the power supply of an external microcontroller, such as Texas Instruments\' MSP430, or to provide a regulated voltage for communication interface circuits that require galvanic isolation, such as I2C and USB.

The primary benefit of this chip is that it accessories sophisticated features to achieve high efficiency without compromising its compact packaging. Its main features and specifications are:

• Peak Output Current: 6A
• Input Voltage Range: 4.5V - 26V
• Preset Internal Isolation Voltage: 4.3V
• Selectable Operating Mode: PWM or Linear Mode
• Start Up Delay Based on Load Current
• Adjustable Voltage Reference: Comparator-Based Feed-Forward Control
• High Efficiency: >90%

The TPS40200DR is thus a high-performance DC-DC switching controller ideal for providing a robust power supply to digital logic circuits and microcontrollers. It offers all the features necessary for its efficient and optimal operation, such as galvanic isolation, adjustable voltage references and overload protection. This ensures that its output voltage is always reliable and regulated. It is an ideal choice for applications that require stable and consistent power supply, especially those requiring galvanic isolation.

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