INDUSTRY COMPONENT

Microcontroller

Microcontroller is a compact integrated circuit designed to control specific operations in programmable power supplies through embedded software.

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Component Specifications

Definition
A microcontroller is a small computer on a single metal-oxide-semiconductor (MOS) integrated circuit chip that contains a processor core, memory, and programmable input/output peripherals. In programmable power supplies, it serves as the central processing unit that executes control algorithms, manages power regulation, monitors system parameters, and communicates with external devices through various interfaces.
Working Principle
The microcontroller operates by executing stored program instructions to process input signals from sensors and user interfaces, then generates output signals to control power transistors, switching elements, and display units. It uses analog-to-digital converters to measure voltage and current, implements PID control algorithms for regulation, and communicates via protocols like I2C, SPI, or UART for system integration.
Materials
Silicon semiconductor substrate with copper interconnects, ceramic or plastic packaging (typically QFP, TQFP, or BGA), gold bonding wires, lead-free solder balls.
Technical Parameters
ParameterTypical rangeNotes & selection driver
RAM4KB-256KB
Clock Speed16-200 MHz
Architecture8/16/32-bit RISC
Flash Memory32KB-2MB
PWM Channels4-16 channels
Package TypeQFP-44, TQFP-64, BGA-100
ADC Resolution10-16 bit
Operating Voltage1.8-5.5V
Operating Temperature-40°C to +85°C
Communication InterfacesI2C, SPI, UART, CAN, USB

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
IEC 60730, UL 60950-1, RoHS

Parent Products

This component is used in the following industrial products

Programmable Power Supply

A precision power supply unit that can be digitally controlled to output specific voltage and current levels for testing purposes.

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Wireless Module

A compact electronic component that enables wireless communication and control functionality for smart devices.

View Product Details

Communication Interface Module

A hardware component within a Control Unit that facilitates data exchange between the control system and external devices or networks.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Firmware corruption
  • Electrostatic discharge damage
  • Clock signal instability
  • Memory overflow
  • Electromagnetic interference
FMEA Triads
Trigger: Power supply voltage fluctuation
Failure: Microcontroller reset or lockup
Mitigation: Implement brown-out detection circuits, use voltage regulators with tight tolerance, add decoupling capacitors
Trigger: Excessive electromagnetic interference
Failure: Signal corruption and erroneous control outputs
Mitigation: Use shielded packaging, implement error-checking algorithms, add EMI filters on critical lines
Trigger: Memory corruption due to radiation or aging
Failure: Loss of programmed parameters and control algorithms
Mitigation: Implement ECC memory, periodic memory checks, backup parameters in non-volatile storage

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±1% voltage regulation, ±2% current regulation, ±0.5°C temperature sensing
Test Method
Automated test equipment (ATE) with boundary scan (JTAG), in-circuit testing (ICT), functional testing with load simulation, environmental stress screening

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Microcontroller

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Boardcon Technology Limited
Guangdong, CN
Also makes: Single Board Computer, Smartphones, CPU Module
Listed on the company's own website · profile compiled by CNFX from public sources
View profile Send enquiry
Silergy
Shanghai, CN
Also makes: Battery System, Battery Charger Controller, Low-Dropout Regulator (LDO) and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the difference between microcontroller and microprocessor in power supplies?

Microcontrollers integrate CPU, memory, and I/O on a single chip for dedicated control tasks, while microprocessors require external components and are better for general computing. Microcontrollers are preferred in power supplies for their lower cost, lower power consumption, and real-time control capabilities.

How do microcontrollers ensure safety in programmable power supplies?

Microcontrollers implement hardware watchdogs, over-voltage/current protection algorithms, temperature monitoring, and comply with safety standards like IEC 60730 Class B for functional safety in household appliances and industrial equipment.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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