丸通電子科技(香港)有限公司

We offer circuit design (from topology to detailed design) from basic research to application development, and can handle a wide range of circuit methods from analogue circuits to the power electronics.

3 Features

Feature 1
We can provide specifications for abstract requirements.
Feature 2
We provide support for analog, digital, mixed analog/digital, power management, control, sensing, energy harvesting and high-frequency circuits
Feature 3
We propose circuits using model-based development focusing on SPICE.

Business Process

1.Consultations
Our circuit design engineers consult with you at each process stage, from abstract to concrete specifications.
2.Block Diagram
Circuit functions, including the selection of key devices, are shown in block diagrams.
3.Circuit Proposal
We propose circuits using SPICE.
4.Circuit Design
We provide circuit diagrams and BOM (bill of materials).
5.Prototype Circuit Boards
We provide actual-working prototype circuit boards.

Circuit Design Examples

Circuit Design Classification No. Case Studies
Power Supply Circuit LP01 Wireless power supply + Data transfer circuit
LP03 Power supply circuit board that can stably provide power obtained from environmental power generation such as solar cells
LP04 Power supply circuit board with 48 V output and recharging function
LP05 Manufacture of RF harvesting circuit board
LP06 Manufacture of electronic load circuit board
LP13 Manufacture of high-precision positive and negative isolated power supply circuits
LP14 Manufacture of Li-Ion battery inrush current prevention circuit
LP22 Manufacture of MCU control signal circuit (lead-acid battery charging/discharging)
LP25 Manufacture of MCU control signal circuit (lead-acid battery charging/discharging)
LP28 Manufacture of remake power supply circuit boards for discontinued products
LP34 Manufacture of power supply circuits for IoT devices from variable voltage sources
LP36 Manufacture of multi-power supply circuit boards for laboratory use
LP39 Manufacture of energy harvesting power supply circuit boards
LP47 Ultra-low voltage booster circuits
LP54 12 [V] positive and negative power supply circuits
LP55 100 [V] positive and negative power supply circuits
LP60 AC/DC power supply for educational institutions
LP63 Super-boost power supply circuit
     
Sensing circuit LP02 Manufacture of custom HATs for Raspberry Pi
LP08 Position estimation using IMU sensors
LP09 Distance measurement using 1D-TOF sensors
LP12 Manufacture of bridge circuit input amplification circuits
LP17 Manufacture of biological signal detection circuits
LP18 Manufacture of torque sensing circuits
LP20 Manufacture of pressure sensing circuits
LP26 Manufacture of synchronous detection circuits for sensing
LP31 Manufacture of MI sensing drive circuits and data acquisition circuits
LP48 Sensing information circuits with offset voltage
LP49 Mid-point input circuits for positive and negative voltages of sensing information
LP52 Two types of sensing input interface circuits
LP61 Ultrasonic sensors with object recognition and position measurement
     
Drive circuits LP10 Manufacture of portable ultra-compact constant temperature baths
LP11 Manufacture of DC motor drive circuits using regenerative power
LP15 Manufacture of panel drive circuits and smartphone linkage via BLE transmission
LP21 Manufacture of CNG injection drive circuits
LP40 Manufacture of IGBT gate signal oscillation circuit boards
LP43 Circuit design for changing IGBT gate signal specifications
LP65 Control circuit
     
Control circuit LP07 Control circuit
LP19 Manufacture of distribution drive circuits
LP23 Manufacture of digital control signal circuits
LP27 Manufacture of 16-channel video signal processing circuits
LP29 Manufacture of regenerative power absorption circuits for EV vehicles
LP30 Manufacture of anti-aliasing low-pass filter circuits
LP37 Manufacture of anti-aliasing low-pass filter circuits
LP38 Manufacture of audio signal input/output circuit boards
LP41 Manufacture of photodetector operational‐amplifier circuits
LP51 Variable pulse voltage control circuits
LP53 PWM control and variable voltage control circuits
LP56 High-voltage 1M[Hz] pulse generation circuits
LP66 PWM temperature control circuit with H-bridge circuit
     
IoT circuits LP16 Linking GPS positioning data to the cloud via LTE transmission
LP24 Sensing data collection using Ambient
LP46 Visualization of vibration information with IoT devices
LP50 Visualization of strain information using IoT devices
     
Machining examples LP32 Machining examples
   
Machining examples LP33 Manufacture of non-polarized electrodes for natural potential measurement
LP35 Reduction in the number of parts for cost reduction in mass production
LP42 Repair circuit design for hard-to-find MCU products
LP44 Creation of MCU state transition diagrams
LP45 Initialization of MCU for TOF sensor development expansion boards
LP57 Manufacture of 10-channel distribution circuit boards for evaluation and verification jigs
LP58 Manufacture of 10-channel distribution circuit boards for evaluation and verification jigs
LP59 Reverse engineering
LP62 Application of sheet thermosetting resin to circuit boards
LP64 Point cloud processing of aerial topographical photographs
     

Estimates and consultations are provided free of charge. Feel free to contact us.

Technology Map Guide

The technology map shown as a mind map. By implementing highly accurate designs through model-based development and SPICE simulations, the number of proto/types are reduced, contributing to a shorter product development time.

技術マップのマインドナップ

Mind Map of the Technology Map

From analog circuit design to systemization using embedded technology, consistent services are provided in response to the selection of key devices and circuit design to circuit board manufacture. We also offer prototyping that includes final interface with the housing design. Feel free to contact us for more information.

Click here to download the PDF file.

Guide to the Technology Roadmap

This is the roadmap for contactless technology under COVID-19 conditions. We promote development by focusing on development of 1D-TOF applications, haptics technology, and development of wireless power supply including data transmission. 

技術マップのマインドナップ

By developing the above three types of application circuits, we promote the development of technologies needed under prolonged COVID-19 conditions. By combining the above technology with the technology held by your company, we offer high added value to the customer. Please contact us for more information.

Click here to download the PDF file.

Estimates and consultations are provided free of charge. Feel free to contact us.