AS7620EB

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Down with LDO
Outputs and Type:	2, Non-Isolated
Voltage - Output:	3.3V, 5V
Current - Output:	500mA, 250mA
Voltage - Input:	24V
Regulator Topology:	Buck
Frequency - Switching:	--
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	AS7620A

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The AS7620EB (Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS) is a complete power system solution designed to provide a proper platform for evaluating power management applications that use high efficiency, wide-range frequency operation buck, boost, or buck-boost converters.The AS7620EB is supplied with a comprehensive design suite including schematic diagrams, gerbers, application notes, and source code samples. In addition, the user has the ability to easily resize or modify the converter design according to their project’s specific requirements.The AS7620EB is designed to support both linear and switch mode power converters utilizing wide range input and output voltages. The converter design can be configured to meet the user’s design specifications including output current, output voltage, switching frequency, and power level. For example, the AS7620EB can be used to design single- or dual output converters with the output voltage up to 100V and output current up to 25A. The AS7620EB also features over current, over temperature, and voltage protection to prevent run-away conditions.The AS7620EB uses a field-programmable gate array (FPGA) to control and monitor the switching frequency, line voltage, and output current level. The FPGA is programmed with special firmware that is constantly monitored to ensure the power system is operating at an optimum level. The AS7620EB also contains various other protected components such as a voltage regulator or a current sense amplifier that are used to detect over current or over voltage conditions.The AS7620EB can be used to design both open-frame and enclosed converters. The user can select the appropriate design for their application, such as an off-line or on-line solution, according to their needs. For an off-line solution, the user can choose either the open-frame or enclosed configuration.The AS7620EB supports a variety of control methods that allow users to optimize the power performance. These include single cycle control, pulse width modulation (PWM) control, and hysteretic control. Single cycle control is used to maintain the output voltage or current independent of load or line variations. Pulse width modulation (PWM) control is used to maintain the switching frequency of the converter with a fixed duty cycle to achieve a desired output voltage. Hysteretic control is used to reduce the power dissipation while maintaining the output voltage independent of line and load fluctuations.The AS7620EB supports a wide variety of output configurations that include unipolar and bipolar outputs. Unipolar outputs are used to generate a single polarity output voltage. Bipolar outputs are used to generate both positive and negative output voltages. This allows the user to generate the necessary voltage levels for digital, analog, and power components.The AS7620EB also supports a wide range of power management and protection features. These include over current, over temperature, and over voltage protection. These features ensure that the power converter operates within safe limits and that the system maintains its efficiency at all times. In addition, the user can configure the power management and protection features according to their system requirements.In addition to the power system features, the AS7620EB also includes comprehensive design and simulation software. The software suite is used to design the power system, verify the performance, and debug any power related issues. Once the design is completed and verified, the user can then generate gerbers, component placement drawings, and application notes.By utilizing the AS7620EB, the user can design and evaluate high efficiency wide range frequency power converter systems for their applications. The user also has the flexibility to optimize the power system performance based on their specific needs and requirements. The comprehensive design and simulation software suite allows the user to minimize the time and cost associated with power system development.

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