Industry-Verified Manufacturing Data (2026)

Driver Circuit Board

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Driver Circuit Board used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Driver Circuit Board is characterized by the integration of Power MOSFET and Current Sense Resistor. In industrial production environments, manufacturers listed on CNFX commonly emphasize FR-4 PCB substrate construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Electronic control board that regulates power and signals to UV LEDs in an array

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Product Specifications

Technical details and manufacturing context for Driver Circuit Board

Definition
A specialized printed circuit board designed as part of a UV Light Source Array that provides precise electrical control, current regulation, and signal distribution to multiple UV LED elements, ensuring stable operation, uniform illumination, and protection against voltage fluctuations.
Working Principle
Converts input power to appropriate voltage/current levels for UV LEDs, implements pulse-width modulation (PWM) or constant current drivers for brightness control, manages thermal protection circuits, and coordinates timing for synchronized operation across the LED array.
Common Materials
FR-4 PCB substrate, Copper traces, SMD electronic components (ICs, resistors, capacitors), Solder mask
Technical Parameters
  • Board dimensions and thickness (mm) Per Request
Components / BOM
  • Power MOSFET
    Switches and regulates current to UV LEDs
    Material: silicon semiconductor
  • Current Sense Resistor
    Monitors and limits current flow to each LED
    Material: metal alloy
  • Microcontroller
    Controls timing, dimming, and protection functions
    Material: silicon semiconductor
  • Thermal Pad
    Dissipates heat from power components
    Material: copper with solder mask
Engineering Reasoning
3.0-5.5 VDC input voltage, 0-100 mA per channel output current, -20°C to +85°C ambient temperature
Input voltage exceeding 6.0 VDC causes MOSFET gate oxide breakdown, output current exceeding 120 mA per channel triggers thermal runaway, ambient temperature exceeding 90°C initiates solder joint fatigue
Design Rationale: Electromigration in copper traces at current densities above 10^6 A/cm², dielectric breakdown in MOSFET gate oxide at electric fields exceeding 10 MV/cm, thermal expansion mismatch between FR-4 substrate (CTE 14 ppm/°C) and lead-free solder (CTE 22 ppm/°C)
Risk Mitigation (FMEA)
Trigger Transient voltage spike exceeding 15 V with 100 ns rise time
Mode: Gate oxide puncture in MOSFET switching transistors
Strategy: TVS diode clamping at 6.8 V with 600 W peak pulse power rating
Trigger Continuous operation at 95% PWM duty cycle with 100 mA load
Mode: Junction temperature exceeding 150°C causing thermal shutdown
Strategy: Copper heat spreader with 2.5 W/m·K thermal conductivity and thermal cut-off at 125°C

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Driver Circuit Board.

UV LED driver circuit board electronic control board for UV arrays FR-4 PCB driver board SMD component LED driver thermal management driver circuit

Applied To / Applications

This component is essential for the following industrial systems and equipment:

UV Light Source Array
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LED Light Module
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Display Panel
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Emitter Module
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Control Solenoid/Driver
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Status Display
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Main Display Screen
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
current: Up to 5A per channel, 20A total array capacity
voltage: 12-48V DC input range, 3.3V/5V logic levels
humidity: 10-90% non-condensing
other spec: IP65 rated enclosure, EMI/RFI shielded, 50k hour MTBF
temperature: -20°C to +85°C operating, -40°C to +105°C storage
Media Compatibility
✓ UV LED arrays (365-405nm) ✓ Industrial automation systems ✓ Water treatment control panels
Unsuitable: High-vibration environments without additional damping
Sizing Data Required
  • Total UV LED array power requirement (W)
  • Number of independent control channels needed
  • Required dimming/control protocol (PWM, 0-10V, DALI)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress failure
Cause: Overheating due to inadequate cooling, poor thermal design, or excessive current loads leading to solder joint fatigue, component degradation, or delamination.
Electrochemical migration
Cause: Contamination (e.g., moisture, ionic residues) combined with electrical bias causing dendritic growth between traces, resulting in short circuits or leakage currents.
Maintenance Indicators
  • Intermittent or erratic motor/load operation (e.g., unexpected speed changes, stalling)
  • Burning odor, discoloration, or visible charring on the board or components
Engineering Tips
  • Implement regular thermal imaging inspections to identify and address hot spots before they cause component failure.
  • Ensure proper environmental controls (e.g., humidity regulation, dust filtration) and apply conformal coating to protect against contamination and moisture.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems IEC 61000-6-2 Electromagnetic Compatibility (EMC) UL 60950-1 Safety of Information Technology Equipment
Manufacturing Precision
  • Component Placement: +/-0.1mm
  • Via Hole Diameter: +/-0.05mm
Quality Inspection
  • In-Circuit Test (ICT)
  • Automated Optical Inspection (AOI)

Factories Producing Driver Circuit Board

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Procurement Specialist from United States Jan 19, 2026
★★★★★
"Testing the Driver Circuit Board now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
T Technical Director from United Arab Emirates Jan 16, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Project Engineer from Australia Jan 13, 2026
★★★★★
"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Driver Circuit Board meets all ISO standards."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

19 sourcing managers are analyzing this specification now. Last inquiry for Driver Circuit Board from USA (49m ago).

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Frequently Asked Questions

What is the primary function of this driver circuit board?

This driver circuit board regulates power delivery and control signals to UV LEDs in an array, ensuring stable operation and precise illumination control.

What materials ensure durability in this driver board?

The board uses FR-4 PCB substrate for rigidity, copper traces for conductivity, SMD components for compact reliability, and solder mask for protection against environmental factors.

How does this board manage heat from UV LEDs?

It incorporates a thermal pad and efficient layout design to dissipate heat, preventing overheating and extending the lifespan of both the board and connected UV LEDs.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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