---
title: "Programmable Power Supply"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:PROGRAMMABLE_POWER_SUPPLY"
  data_integrity_hash: "39ed68ed4bbbcb89ad247b4b68933192"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:PROGRAMMABLE_POWER_SUPPLY"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/programmable-power-supply.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/programmable-power-supply"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-60 VDC, 0-10 A, 0-600 W"
    unit: "V/A"
engineering_limits:
  max_safe_operating_point:
    value: 10
    unit: "mV"
    consequence: "Electromigration in semiconductor junctions at sustained high temperatures above 150°C, dielectric breakdown in output capacitors at voltage transients exceeding 75 V, thermal runaway in power transistors when junction-to-case thermal resistance exceeds 2°C/W"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Input voltage surge exceeding 265 VAC on 230 VAC nominal line"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Metal Oxide Varistor (MOV) with 275 V clamping voltage and 40 kA surge rating at input stage"
  - node_2:
      trigger: "Cooling fan bearing wear increasing friction torque to 0.015 N·m"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual ball bearing fans with MTBF 50,000 hours at 40°C ambient, temperature sensors on heatsink triggering derating at 70°C"
bom_nodes:
  power-transformer:
    type: "part"
    urn: "URN:CNFX:ME:POWER_TRANSFORMER"
    interface_type: "physical-logic-coupled"
  rectifier-circuit:
    type: "part"
    urn: "URN:CNFX:ME:RECTIFIER_CIRCUIT"
    interface_type: "physical-logic-coupled"
  filter-capacitors:
    type: "component"
    urn: "URN:CNFX:ME:FILTER_CAPACITORS"
    interface_type: "physical-logic-coupled"
  voltage-regulator:
    type: "part"
    urn: "URN:CNFX:ME:VOLTAGE_REGULATOR"
    interface_type: "physical-logic-coupled"
  microcontroller:
    type: "component"
    urn: "URN:CNFX:ME:MICROCONTROLLER"
    interface_type: "physical-logic-coupled"
  digital-to-analog-converter:
    type: "part"
    urn: "URN:CNFX:ME:DIGITAL_TO_ANALOG_CONVERTER"
    interface_type: "physical-logic-coupled"
  current-sensing-circuit:
    type: "part"
    urn: "URN:CNFX:ME:CURRENT_SENSING_CIRCUIT"
    interface_type: "physical-logic-coupled"
  output-terminals:
    type: "component"
    urn: "URN:CNFX:ME:OUTPUT_TERMINALS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/programmable-power-supply.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d9abd0fc535856753a6a02371c9c97c26960f9240720432372d69da204b90d2f"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Programmable Power Supply

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

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-60 VDC, 0-10 A, 0-600 W**. Failure boundary: **Output voltage ripple exceeding 10 mV RMS at full load, junction temperature exceeding 150°C in MOSFETs, output current exceeding 10.5 A continuous**, Mechanism: **Electromigration in semiconductor junctions at sustained high temperatures above 150°C, dielectric breakdown in output capacitors at voltage transients exceeding 75 V, thermal runaway in power transistors when junction-to-case thermal resistance exceeds 2°C/W**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Input voltage surge exceeding 265 VAC on 230 VAC nominal line | 8 | Primary switching MOSFET avalanche breakdown | Metal Oxide Varistor (MOV) with 275 V clamping voltage and 40 kA surge rating at input stage |
| Cooling fan bearing wear increasing friction torque to 0.015 N·m | 8 | Forced convection reduction causing heatsink temperature rise to 85°C | Dual ball bearing fans with MTBF 50,000 hours at 40°C ambient, temperature sensors on heatsink triggering derating at 70°C |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | V/A | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Power Transformer](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/power-transformer.md) `(Standalone System)`
- [Rectifier Circuit](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/rectifier-circuit.md) `(Standalone System)`
- [Voltage Regulator](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/voltage-regulator.md) `(Standalone System)`
- [Digital-to-Analog Converter](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/digital-to-analog-converter.md) `(Standalone System)`
- [Current Sensing Circuit](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/current-sensing-circuit.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Electronic Load Tester**, **Oscilloscope**, **Thermal Chamber**  
**Downstream Applications**: Printed Circuit Boards, Semiconductor Devices, Optical Sensors  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What applications is this programmable power supply designed for?
**A**: This power supply is designed for testing and development in computer, electronic, and optical product manufacturing, including circuit testing, component validation, and prototype development where precise voltage and current control is required.

### Q: How does the digital control interface work?
**A**: The unit features a microcontroller-based digital control system with a digital-to-analog converter that allows precise programming of output voltage and current levels through various interfaces, ensuring accurate and repeatable test conditions.

### Q: What safety features does this power supply include?
**A**: The power supply includes multiple safety features such as over-voltage protection, over-current protection, short-circuit protection, and thermal protection, all managed by the microcontroller to ensure safe operation during testing procedures.

## 6. Manufacturing Compliance

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Programmable Power Supply](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/programmable-power-supply)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **8** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: PROGRAMMABLE_POWER_SUPPLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 33b7bacb
