Product Overview

The CXLE86234 high-power synchronous buck constant current driver is a flagship power management chip for industrial and automotive lighting systems, supporting a wide input voltage range of 5-45V and integrating 60mΩ Ultra low impedance synchronous rectification MOSFET, achieving 95% conversion efficiency at a switching frequency of 200KHz, can stably output 4A current to drive 10 string LED arrays, with a maximum output power of 30W. Adopting TO252-5L reinforced heat dissipation package, combined with dynamic thermal balance technology and Class 3K ESD protection, it ensures to maintain± in extreme environments from -40 ℃ to+125 ℃; 4% current accuracy, perfectly suitable for harsh scenarios such as high brightness headlights and industrial searchlights.qA0嘉泰姆

This chip achieves technological breakthroughs through fully integrated design: the built-in digital loop compensation module reduces peripheral components by 80% and supports 0-100% full duty cycle stepless dimming; The 0.23V precision sampling benchmark is combined with multi-level current limiting protection to build a triple hardware level protection system for overcurrent/overheating/short circuit. Its innovative valley current control technology achieves an ultra-low ripple output of<30mVpp, combined with a dynamic response speed of 5&ms, making it the ultimate power solution for high demand applications such as outdoor advertising screens and medical surgical lights.qA0嘉泰姆

   Product Features;qA0嘉泰姆

Technical highlights optimization presentation:qA0嘉泰姆
■ Industrial grade power density4A continuous current output+30W full load power capabilityqA0嘉泰姆
■ Full scene dimming compatibility0-100% duty cycle supports deep dimming/offqA0嘉泰姆
■ Military grade thermal managementTO252-5L package supports 40W heat dissipation powerqA0嘉泰姆
■ Precision current control0.23V sampling reference± 4% full temperature range accuracyqA0嘉泰姆
■ Efficient architectureSynchronous rectification technology achieves 95% peak efficiencyqA0嘉泰姆
■ Super anti-interference design200KHz fixed frequency+spread spectrum modulation technologyqA0嘉泰姆
■ Minimally integrated systemDigital compensation circuit reduces PCB area by 50%qA0嘉泰姆
■ Five fold safety protectionOCP/OVP/TSD/SCP/UVLO Full ProtectionqA0嘉泰姆

   Application scope;qA0嘉泰姆

Target application extension:qA0嘉泰姆
► New energy vehicle lightingElectric vehicle matrix headlights/through type taillights driveqA0嘉泰姆
► Industrial special lightingExplosion proof mining lamp/port crane lighting systemqA0嘉泰姆
► medical equipmentSurgical shadowless lamp/endoscope cold light source driveqA0嘉泰姆
► Outdoor displayPower supply for LED screens/traffic information screens in sports venuesqA0嘉泰姆
► Smart BuildingSmart Street Light/Building Contour Light Control SystemqA0嘉泰姆
► Agricultural technologyGreenhouse multispectral fill light driverqA0嘉泰姆
► consumer electronics: Gaming RGB lighting effect/ultra-thin TV backlight driverqA0嘉泰姆
► emergency systemFire evacuation indicator lights/disaster rescue lighting equipmentqA0嘉泰姆

   Technical Specifications (Product PDF);qA0嘉泰姆

      For detailed PDF specifications, please scan WeChat to contact us. You can also receive free samples and technical support！qA0嘉泰姆

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   Product packaging diagram;qA0嘉泰姆

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   Circuit schematic diagram;qA0嘉泰姆

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Bill of MaterialsqA0嘉泰姆
Typical performance curveqA0嘉泰姆
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        Application InformationqA0嘉泰姆
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          PCB Layout GuideqA0嘉泰姆

1. Power lines such as VIN, GND, SW, VOUT, etc., thick, short, and straight;qA0嘉泰姆
2. CS wiring should be kept away from switch signals such as inductors, and it is recommended to use a ground wire to surround it;qA0嘉泰姆
3. Input the positive electrode of the electrolytic capacitor close to the VIN pin of the chip, and input the negative electrode of the electrolytic capacitor close to the GND pin of the chip.qA0嘉泰姆

   Selection Guide for Related Chips;qA0嘉泰姆