Automobile ADB headlamp driving circuit
By using the BOOST_VCC buck-up power supply module in the automotive ADB matrix headlight driving circuit, the problem of large space and high cost of traditional two-stage driving power supply is solved, and a smaller size and lower cost power supply solution is achieved.
CN222674534UActive Publication Date: 2025-03-25SUZHOU HANRAYSUN OPTOELECTRONICS
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Patent Information
- Application Number
- CN202323542091.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2033-12-25
AI Technical Summary
Technical Problem
The existing automotive ADB matrix headlight driving circuit uses two-stage driving power supply, which occupies a large space and is costly, making it difficult to install in cars with small installation space.
Method used
The BOOST_VCC buck-up power supply module is adopted to realize the boost and buck functions through a single power supply module, replacing the traditional BOOST boost power supply module and BUCK buck power supply module.
Benefits of technology
It reduces the amount of components, reduces product costs, reduces volume and weight, and is suitable for cars with limited installation space.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to an automobile ADB headlamp drive circuit, which comprises a BOOSTVCC boost-buck power supply module, and the BOOSTVCC boost-buck power supply module comprises a first control circuit, an electrostatic protection circuit, an anti-reverse connection circuit, a first EMC circuit, a boost-buck circuit, a voltage detection circuit, a current detection circuit and a second EMC circuit. The matrix control module comprises a matrix control chip and at least one matrix control channel; the MCU control module is connected with the BOOSTVCC buck-boost power supply module; and the LED light source module is connected with the output end of the BOOSTVCC boost-buck power supply module and the matrix control module. Compared with the prior art that two independent power supplies are adopted, the number of components adopted in the structure is small, the cost of products can be effectively reduced, the size and the weight can be reduced, the occupied space is reduced, the LED lamp can be installed in a limited space, and efficiency is improved at the same time.
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