• [ CXLE86241 ]"

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CXLE86241  It is a synchronous rectification step-down constant current LED driver optimized for high voltage and high current scenarios, supporting5V~72V ultra wide input voltage rangeIt can drive 1-14 strings of LED light groups. Chip to93% high conversion efficiencyRealize 1.5A continuous output, support a maximum power load of 15W, and be packaged in industrial grade TO252-5L to meet long-term stable operation in harsh environments (-40 ℃~125 ℃).gvA嘉泰姆

Core performance advantages

✅& nbsp;High voltage and high current driving capabilitygvA嘉泰姆

• Covering an input range of 5V~72V, compatible with industrial 48V power supply systems and vehicle 24V battery power supplygvA嘉泰姆

• support100% duty cycle outputSuitable for low voltage drop scenarios (such as directly driving multiple strings of LED light boards)gvA嘉泰姆

✅& nbsp;Precise constant current controlgvA嘉泰姆

• Constant 150KHz switching frequency, paired with 0.22V high-precision current sampling (3% accuracy), load adjustment rate; 1.5%gvA嘉泰姆

• Built in loop compensation module, peripheral components reduced to less than 5, BOM cost reduced by 40%gvA嘉泰姆

✅& nbsp;Industrial grade reliable designgvA嘉泰姆
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• Triple protection mechanismHot shutdown protection (automatic recovery), dynamic current limiting protection, Class3B ESD protection (± 4000V HBM)gvA嘉泰姆

• TO252-5L package provides 3.2W/mK thermal resistance and supports 15W continuous output without heat sinkgvA嘉泰姆

• 72V industrial grade high-power driver ICgvA嘉泰姆

• 14 string LED constant current control chipgvA嘉泰姆

• Class3B ESD high protection drivergvA嘉泰姆

Typical application scenarios

1. industrial equipmentgvA嘉泰姆

   • Explosion proof lighting fixtures for oil platformsgvA嘉泰姆

   • Heavy machinery status indicator lightgvA嘉泰姆

   • Industrial control equipment LED drivergvA嘉泰姆

   • Outdoor high brightness lighting systemgvA嘉泰姆

   • Vehicle mounted high-power lighting solutiongvA嘉泰姆

   • Design of Multi string LED Backlight Power SupplygvA嘉泰姆

2. outdoor lightinggvA嘉泰姆

   • Solar street light driver modulegvA嘉泰姆

   • High brightness backlight for advertising screensgvA嘉泰姆

3. in-vehicle systemgvA嘉泰姆

   • Engineering vehicle searchlight power supplygvA嘉泰姆

   • Electric truck taillight drivegvA嘉泰姆

Quick overview of key parameters

Design optimization suggestions

• High voltage layout specificationWhen the input voltage is 72V, the PCB safety distance needs to be 1.5mm, and it is recommended to use FR4 high-voltage resistant boardgvA嘉泰姆

• thermal designWhen outputting 15W continuously, the back of the chip needs to be soldered to the 2oz copper foil heat dissipation area (30mm²)gvA嘉泰姆

• Multiple string LED configurationWhen driving 14 strings of LEDs, it is necessary to meet the requirements;Vin ≥ (Single LED voltage drop× 14) + 0.8VgvA嘉泰姆

passUltra high voltage compatibilityandIndustrial grade heat dissipation design， CXLE86241 provides high-power LED systemsHigh efficiency, high reliability, easy deploymentThe full scenario solution.gvA嘉泰姆
Bill of MaterialsgvA嘉泰姆
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PCB layoutgvA嘉泰姆
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Typical performance curvegvA嘉泰姆
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Application InformationgvA嘉泰姆
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PCB Layout GuidegvA嘉泰姆

1. Power lines such as VIN, GND, SW, VOUT, etc., thick, short, and straight;gvA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;gvA嘉泰姆
3. The positive pole of the input capacitor is close to the VIN pin of the chip, and the negative pole of the input capacitor is close to the GND pin of the chip.gvA嘉泰姆

Selection Guide for Related ChipsgvA嘉泰姆

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