Main Controller PCB

2026-08-11



Key Features

  • Centralized task and motion coordination

  • Multi-interface peripheral management

  • Real-time fault monitoring and diagnostics

  • Firmware programming and remote-update support


Typical Electronic Components

MCU/MPU/DSP/SoC; DDR and Flash memory; PMIC and DC-DC converters; watchdog; isolation devices; CAN, Ethernet, UART, SPI, I2C and USB interfaces.


Reference PCB and PCBA Parameters

Reference item

Typical guidance

Typical layers

6-12 layers

Material

High-Tg FR-4; low-loss laminate when speed requires

Copper

1-2 oz typical; local heavier copper as required

Key processes

Controlled impedance, HDI, blind/buried vias, via-in-pad

Assembly

Fine-pitch BGA/QFN, double-sided SMT

Testing

SPI, AOI, X-ray, programming and functional test


Manufacturing and Engineering Priorities

  • Confirm processor breakout, stack-up and impedance before fabrication.

  • Separate noisy power/motor interfaces from clocks, memory and analog inputs.

  • Use solid return paths, controlled power sequencing and adequate decoupling.

  • Apply thermal vias or heat spreaders beneath high-power processors.


Design and Commercial Cautions

  • Specify firmware ownership, programming version and security handling.

  • Verify connector pinout and mechanical envelope against the robot enclosure.

  • High-speed memory and processor designs require signal- and power-integrity review.


Applications

Industrial robots, AGV/AMR, service robots, medical robots, robot dogs and humanoid robots.

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