TPS84620EVM-692

Series:	--
Part Status:	Obsolete
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	3.3V
Current - Output:	6A
Voltage - Input:	4.5 V ~ 14.5 V
Regulator Topology:	Buck
Frequency - Switching:	630kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	TPS84620-692

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Application field and working principle of TPS84620EVM-692

The TPS84620EVM-692 (Evaluation Module – DC/DC & AC/DC (Off-Line) SMPS) is an integral part of designing and testing off-line switchers for applications with high power requirements. It is designed to help the users in the evaluation of TPS84620 low-side-current-sense (LSCS) buck-regulator controller. It is a full-featured evaluation board engineered with various protection circuits and overload protection. It has a high power design and supports high voltage applications; it also comes with a user-friendly menu interface which makes designing easier.

Applications of TPS84620EVM-692

The applications of TPS84620EVM-692 are mainly designed for applications with high power requirements such as:* Automotive supply voltage systems.* White goods, air conditioners, and industrial motor drives.* Telecom and networking servers and peripheral supplies.* High-end industrial and consumer electronics.

Description

The TPS84620EVM-692 is a comprehensive evaluation board for off-line, switcher design and evaluation. It features a low side current sense (LSCS) buck regulator controller with short loop regulation and high efficiency (up to 95%). The converter can provide up to 700W of output power with an input voltage range of 12-60V DC. The board also has a number of protection features such as an output voltage soft-start, open-loop protection (OLP), brown-out protection, over-current protection (OCP) and thermal-shutdown (TSD).

Structure of the Board

The TPS84620EVM-692 board comes with four main sections – The control section, the power section, and the thermal section.The Control Section consists of:* A high-performance 8-bit processor (16MHz).* An on-board menu system which allows users to easily configure all parameters. * 3-Digit LED display and keypad for easier user interface.The Power Section includes:* An integrated transformer which provides galvanic isolation. * A core PFC pre-regulator.* An integrated LSCS buck controller.The Thermal Section consists of:* An on-board fan for temperature control.* Temperature and overload detection circuits.

Working principle of TPS84620EVM-692

The TPS84620EVM-692 is an off-line, switch mode power supply designed to deliver up to 700 W of output power. It uses a buck-boost PFC pre-regulator to provide an input voltage between 12 and 60 V DC. When the power switch is enabled, it will increase the pre-regulated voltage to the programmed value.The TPS84620EVM-692 utilizes an innovative low-side-current-sense (LSCS) buck regulator controller to regulate the voltage. This controller minimizes losses in the control loop and is able to provide high efficiency with quick response times. It also features short loop regulation and overcurrent protection (OCP) to ensure that the system is safe and reliable.The TPS84620EVM-692 offers a wide range of features and protections such as open-loop-protection, brown-out protection, soft-start, over-temperature/overload protection, and over-voltage/under-voltage protection. The TPS84620EVM-692 is designed to meet the needs of high-power applications by offering high efficiency, low power dissipation, fast transient response, and protection features.

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