TPS65132WEVM-669

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The TPS65132WEVM-669 is an evaluation board designed to evaluate the TPS65132W, a synchronous, non-isolated, single-phase, DC/DC buck controller. The board features onboard, integrated inductors as well as an integrated FET (Field Effect Transistor) to help reduce board space and lower cost. It is ideally suited for applications requiring higher power such as set-top box or advanced TV systems, and it can be used for driving medium power LEDs, too.

The TPS65132WEVM-669 board implements a standard buck topology, with the output voltage precisely regulated. The TPS65132W is a 6mΩ integrated power switch controller. The device features an operating frequency of up to 3MHz, allowing for a wide range of output capabilities, from 0.6V up to 5V, and from 4A up to 27A, depending on the load and the input voltage. Additionally, the TPS65132W offers a very low quiescent current of only 1µA.

The TPS65132WEVM-669 board works primarily as a non-isolated synchronous DC/DC buck converter. It is used in applications where a large current is required to drive medium or high power LEDs or other devices from a higher supply voltage. The board is static and does not need a fan, allowing it to operate in conditions where the ambient temperature can reach up to 70°C without a fan.

The TPS65132WEVM-669 board operates by sensing the voltage of the input supply and comparing it to a programmable reference voltage. Based on this comparison, the controller adjusts the duty cycle of the switch to regulate the output voltage. This allows the controller to precisely control the output voltage to the programmed reference voltage level. The current transfer ratio (CTR) of the boards can reach up to 97.7%, depending on the input and output conditions.

The TPS65132WEVM-669 board is designed to minimize external components and thus reduce board space. The input voltage range is 4.5V to 18V DC, and the output voltage can be adjusted from 0.6V to 5V in 0.3V increments. The board has an adjustable switching frequency up to 3MHz and can reach a maximum operating current of 27A. The board is also designed to be highly efficient and low noise.

The TPS65132WEVM-669 evaluation board is a versatile combination for portable and embedded system applications. Its low quiescent current and compatibility with 3MHz switching frequency help ensure power savings and the required level of reliability. The integrated FET and onboard inductors help reduce board space and overall cost. The board is designed using standard components, making it highly reliable and suitable for a wide range of applications.

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