TPS54336AEVM-010

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The TPS54336AEVM-010 is a low input voltage, synchronous buck converter evaluation module (EVM) designed for use in low power applications. It is a multi-output, two-stage, DC-DC converter with an onboard power supply. It is intended to be used in evaluation, development and production of low-power, digitally-controlled DC-DC converters.

The evaluation board is based on the TPS54336A, a multi-output synchronous buck converter from Texas Instruments. This power converter has two output voltage levels: 3.3V and 0.6V. Each output is rated at maximum 0.5A and is enabled through dedicated enable pins. An unregulated input supply of 2.5V to 5.5 V is used to power the converter. It is also possible to use an onboard 12V power supply, with an additional converter for voltage regulation.

The TPS54336AEVM-010 is equipped with digital controls and features voltage tracking, constant on-time mode, pulse frequency modulation, and other features. These controls can be configured from the digital inputs as per the user’s requirement. An onboard MCU interfaces with the user interface and provides control and monitoring capabilities.

The power section of the board is composed of two MOSFETs, two inductors, two ceramic output capacitors, and an input capacitor. The output voltage is regulated by the MOSFETs and is controlled through the on-board MCU. The evm is also equipped with an onboard voltage reference, fault protection, and diode-emulation for synchronous rectification.

The TPS54336AEVM-010 is designed for applications such as portable medical devices, wireless communications, power management for embedded processors, home appliances, and other electronic systems requiring low power DC-DC converters. The evm provides a platform to evaluate the performance of the TPS54336A multi-output Buck converter in these applications.

The working principle of the TPS54336AEVM-010 is based on a two-stage approach consisting of a switching section and an error-amplifier stage. The switching stage converts the input voltage into a regulated output voltage by switching the MOSFETs in and out of conduction. The output voltage is regulated by comparing the output voltage to a reference voltage and adjusting the duty cycle of the switching section accordingly. The error-amplifier stage compensates for the load-regulation error and helps to maintain the output voltage within a certain range.

In summary, the TPS54336AEVM-010 is an evaluation board for the TPS54336A synchronous buck converter. The board provides a platform for evaluating the performance of the TPS54336A power converter under a variety of conditions. This EVM is suitable for applications requiring low power DC-DC converters, such as those found in portable medical devices, wireless communications, power management for embedded processors, home appliances and other low power electronics systems.

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