EA8945AQJ405

Series:	ActivePath™, ActivePMU™
Part Status:	Active
Main Purpose:	DC/DC, Step Down with LDO
Outputs and Type:	7, Non-Isolated
Voltage - Output:	--
Current - Output:	1.2A, 1.1A, 1.1A, 320mA, 320mA, 320mA, 320mA
Voltage - Input:	2.7 V ~ 5.5 V
Regulator Topology:	Buck
Frequency - Switching:	2MHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	ACT8945A

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The EA8945AQJ405 evaluation board is part of the power supply industry\'s Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS family. The board is designed to provide designers with a turn-key evaluation, development, and demonstration platform for power supplies with advanced performance with ease of use. Specifically, this evaluation board is useful for designers working on DC/DC, AC/DC, and dual output topologies.The EA8945AQJ405 evaluation board features an advanced power supply controller, the AN8945, and a robust, full featured set of parts. The processor is an 8-bit device with an EMP interface and features a wide power supply voltage range, adjustable output current limits, high switching frequency, fixed frequency/variable frequency operation, programmable analog-to-digital converters, and pulse-by-pulse current limit protection. The board also includes a shielded inductor, bridge rectifier, snubbers, electrolytic capacitor, zener diodes, schottky rectifiers, and resistors.In terms of application fields, the 895AQJ405 evaluation board can be used for many power supply evaluations, which include, but are not limited to, telecom systems, data communications, wireless LANs, test and measurement, automotive power supplies, industrial power supplies, medical electronics, gaming equipment, and more.The board works by receiving power from a main power supply, typically an AC mains or battery, and regulating the output of the device. This is done by adjusting the feedback loop of the AC/DC converter or DC/DC power supply in order to keep the output voltage at a constant level while providing the needed current limit and frequency ratings. The board also performs pulse by pulse current limit protection, providing overcurrent and short circuit protection.The EA8945AQJ405 evaluation board also offers advanced power supply control capabilities such as an adjustable maximum output current limit and adjustable voltage ramp rate, which allows for a precise control of the power supply. Additionally, the board features an adjustable frequency range up to 200kHz, enabling designers to optimize the device for different applications and reduce electromagnetic interference (EMI).Overall, the EA8945AQJ405 evaluation board is a useful tool for designers working on DC/DC converter and AC/DC power supplies for applications such as telecoms systems, data communications, wireless LANs, test and measurement, automotive, industrial, medical, and gaming applications. It provides advanced power supply performance and features an advanced processor with a wide power supply voltage range, adjustable output current limits, high switching frequency, fixed frequency/variable frequency operation, programmable analog-to-digital converters, and pulse-by-pulse current limit protection. Moreover, the board also includes a shielded inductor, bridge rectifier, snubbers, electrolytic capacitor, zener diodes, schottky rectifiers, and resistors.

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