TPS53819EVM-123

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The TPS53819EVM-123 evaluation module (EVM) is an isolated adjustable off-line switcher for high peak current applications over an adjustable output of 9V - 22V, with a 5V/3.3V dual-output and total current of 4A. It is designed to evaluate and demo Texas Instruments’ TPS53819 power converter.The application field of the TPS53819EVM-123 is mainly used for evaluation and demonstration of the TPS53819 power converter. It is used for fast and easy evaluation of the devices performance, test demos for applications, and it can even be used to optimize the user’s specific design conditions for their application.

The working principle of the TPS53819EVM-123 is based on the use of the TI Power SWIFT (Switch-Mode Power Topology suitable for Isolated Flyback Transformers) technology. Power SWIFT enables high peak current and is well suited for offline applications using isolated flyback power conversion. The TPS53819EVM-123 provides low cost and low power embedded control solutions for a wide variety of off-line AC/DC and DC/DC applications.

The TPS53819EVM-123 utilizes a state-of-the-art switch mode power supply topology that is designed to operate from a wide range of primary and secondary voltages. It provides an adjustable peak current-mode output voltage control, and features an internal max current limit to help protect against excessive heat build up. The TPS53819EVM-123 also has an adjustable cycle-by-cycle soft-start function to limit inrush current at startup. It utilizes a rugged 20-pin package to minimize board space, and its output can be adjusted in increments of 0.2V up to 22V. In addition, the device features an integrated 1kV isolation scheme and soft-shutdown for improved efficiency.

The Power SWIFT technology used in the TPS53819EVM-123 makes it suitable for applications such as AC/DC power adapters, DC/DC off-line converters, Laptop adaptors, LED driver applications, digital control equipment, industrial process control applications, renewable energy inverters, motor control applications, and home automation products. The module features a fast transient response, a selectable bleed-off current limit, adjustable peak current-mode control, and minimal parasitic stress to enable high efficiency operation over a wide range of load and line conditions.

The TPS53819EVM-123 also features an integrated hysteretic and analog voltage feedback (AVF) control loops that provide ease of use and good system stability and control over a wide range of input and output voltages. The hysteretic control loop maintains a stable output voltage regardless of line and load conditions, while the AVF loop is optimized for high-efficiency operation. Additionally, the EVM supports external voltage programming, remote current sensing and programmable pre-bias, to provide further flexibility for designers.

The TPS53819EVM-123 is a state-of-the-art switch mode device which provides a wide range of applications and easy operation in a small form factor. The device features a robust, efficient power control architecture with fast transient response, minimal parasitic stress, and adjustable peak current-mode control. Furthermore, the integrated hysteretic and analog voltage feedback loops help to ensure good system stability and control over a wide range of input and output voltages, while features such as external voltage programming, remote current sensing, and programmable pre-bias provide added flexibility. The TPS53819EVM-123 is an ideal choice for applications requiring high peak current and speed of evaluation.

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