Case Study: Small Form Factor 8 Layer HDI + Flex PCB Board Design

An innovative hardware solution for our client, which includes a Small Form Factor 8 Layer HDI + Flex PCB board for earbuds and a 2-layer PCB for the charger.

buds

Key Highlights

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Power-efficient circuitry for tiny earbuds

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Low-power components and optimized layout

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Densely packed 8-layer PCB Design

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Flexible PCB design

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Efficient space utilization

| Engibrains’ Contribution

Segments We Worked On

Hardware

  • PCB layer : 8 layer
  • PCB Size: 24mm X 4.5mm
  • 100+ Electronic Components
  • Schematic Design (Altium)
  • PCB Layout design (Altium)
  • HW Architecture and component selection
  • Proto development
  • Enclosure design integration

Production

  • Prototype Production batch
  • Manufacturing test & Diagnostics
  • Post delivery support

| Technologies Used

Our Tech Stack will reduce your risk

HW Tools

  • Schematic Design (Altium)
  • PCB Layout design (Altium)

Peripherals

  • Mic(2)
  • Speaker
  • HALL Sensor
  • Touch panel
  • Fast Battery charging circuit
  • USB 2.0
  • EEPROM
  • Button
  • LEDs

Connectivity

  • Bluetooth 5.1

QA Tools

  • Digital Oscilloscope
  • High-end DMM
  • Hot Air Rework Station
  • Thermal Camera
  • Digital Microscope

| Let’s Talk About Your Project

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