Seeking a Power Engineer to Evaluate the ROHM LogiCoA™ BUCK Converter

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Are you a power engineer? We need your help! We need you to evaluate a Buck Converter Reference Design. We’ll send you the hardware. We pay for everything. You get it keep it forever after you post a review.

Description

LogiCoA001-EVK-001 is a reference design for a BUCK converter that uses ROHM's analog-digital fusion control technology LogiCoA, which includes a microcontroller ML62Q2035 suitable for LogiCoA, a 100V gate driver BD2320EFJ-LA, LDO BD950N1WG-C, BD900N1WG-C, operational amplifier BU7481SG, and shunt resistor LTR100LJZPFSR020. Design data, sample software, and an operating system for power supply control are available for this reference design, as well as a reference board. We hope that you will have a chance to experience the analog-digital fusion control LogiCoA and make use of it in your future power supply device development.

Figure 1:  System overview of LogiCoA Power Solution  (Source: Rohm Semiconductor)

• Microcontrollers for Power Supply Control (LogiCoA Microcontroller): LogiCoA Microcontrollers are suitable ones for power supply control with those analog-digital hybrid control is adopted and ML62Q2033/2035 and ML62Q2043/2045 are released. On this EVK, the ML62Q2035 is mounted.
• Operating System for Power Supply Control Microcontroller RMOS (Real time Micro Operating System). RMOS is a multi-task and real-time operating system developed to control switching power supplies and operates on ML62Q20xx group.
• Power Supply Application: Power Supply Applications are application circuits correspond to each power supply topology. On this EVK external components such as LDO, gate driver, operational amplifier, MOSFET inductor and so on are mounted as an application circuit of synchronous buck converter.

About the LogiCoA

LogiCoA Power is a solution adopting analog-digital hybrid control to a switching power supply. This user’s guide will provide the steps necessary to operate the evaluation board of LogiCoA Power Solution Synchronous buck DCDC converter, LogiCoA001-EVK-001. Bill of materials, operating procedures and application data are included. LogiCoA is the brand granted to the design philosophy of integrating digital elements to maximize the performance of analog circuitry. By fusing the merits of analog circuits with digital control, it brings out the full potential of circuit topology and contributes to higher efficiency of power utilization. ROHM thinks that this LogiCoA can be applied not only to the power supply field but also to the overall power solution as. We are looking at future applications for products and solutions.

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Documentation

• User Guide
• Schematic
• Key Components
• Layout
• App Note: Analog-Digital Hybrid Power Supply Synchronous Buck DCDC Converter Operating Instructions
• App Note: Analog-Digital Hybrid Control Innovating Switching Power Supply Design
• App Note: Operating System for Switching Power Control MCU "RMOS"
• App Note: Serial communication of RMOS and GUI developing manual

RoadTester Instructions

• The preferred way to test it would be to use it with something you are currently working on.
• Otherwise, working with the documentation, open the box and test the out of the box experience. Show the reader of this review what you discovered utilizing text, images, videos, and/or any other media, so the reader understands what is involved in using the product.

Important Dates

Terms and Conditions

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About the Sponsor

ROHM Semiconductor is a global company of 3.326 billion US dollars per March 31st, 2020 with 22,191 employees. The company develops and manufactures a very large product range from the Ultra-Low Power Microcontroller, Power Management, Standard ICs, SiC Diodes, MOSFETs and Modules, Power Transistors and Diodes, LEDs to passives components such as Resistors, Tantalum Capacitors and LED display units, thermal Printheads. The production of our high performing products is taking place in state-of-the-art manufacturing plants in Japan, Korea, Malaysia, Thailand, the Philippines and China. For more information, click here