PROTECTIVE CIRCUIT FOR USE IN A LIGHTING CIRCUIT
DE602022038447T2Active Publication Date: 2026-06-17SIGNIFY HOLDING BV
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Patent Information
- Application Number
- DE602022038447
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-05-10
- Filing Date
- 2022-01-26
- Publication Date
- 2026-06-17
- Estimated Expiration
- 2042-01-26
AI Technical Summary
Technical Problem
Existing protection circuits for lighting circuits face challenges in meeting both hi-pot safety requirements and clamping voltage during surge events, leading to high residual voltages and increased material damage and service interruptions.
Method used
A protection circuit combining a gas discharge tube and a controllable voltage triggering circuit, such as a SiDAC, to manage different voltage levels during hi-pot and surge tests, ensuring low residual voltage during surges while maintaining high impedance during normal operation.
Benefits of technology
The solution effectively reduces residual voltage during surge events by up to 60%, lowering component costs and improving thermal performance, while meeting safety standards.
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