• [ CXLE86204 ]"

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CXLE86242  It is a synchronous rectification step-down constant current LED driver designed specifically for high-voltage and high-power scenarios, supporting5V~72V ultra wide input voltage rangeIt can drive 1-14 strings of LED light groups. Chip to93% high conversion efficiencyAchieving 2A continuous output with a maximum output power of 25W, paired with an industrial grade TO263-5L package, providing a stable and reliable lighting solution for harsh environments (-40 ℃~125 ℃).3xy嘉泰姆

Core performance advantages

✅& nbsp;High voltage and high-power output3xy嘉泰姆

• Covering input range of 5V~72V, compatible with industrial 48V power supply and vehicle 24V battery system3xy嘉泰姆

• support100% duty cycle outputAdapt to low voltage drop scenarios (such as directly driving multiple strings of high voltage LED arrays)3xy嘉泰姆

✅& nbsp;Precise constant current control3xy嘉泰姆

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

• Built in loop compensation module, with fewer than 5 peripheral components, reducing system costs by 35%3xy嘉泰姆

✅& nbsp;Industrial grade reinforced design3xy嘉泰姆

• Dual protection mechanismHot shutdown protection (automatic recovery), dynamic current limiting protection3xy嘉泰姆

• Class3B ESD protection (± 4000V HBM), TO263-5L package provides ultra-low thermal resistance (2.8 ℃/W)3xy嘉泰姆

Typical application scenarios

1. outdoor lighting3xy嘉泰姆

   • Solar street light high brightness drive3xy嘉泰姆

   • Port terminal searchlight power supply3xy嘉泰姆

2. industrial equipment3xy嘉泰姆

   • Explosion proof lighting for mining equipment3xy嘉泰姆

   • High power indicator light for automated production line3xy嘉泰姆

   • Outdoor high brightness lighting system3xy嘉泰姆

   • Industrial searchlight drive power supply3xy嘉泰姆

   • Design of multi string LED backlight module3xy嘉泰姆

   • Vehicle mounted high-power lighting solution3xy嘉泰姆

3. in-vehicle system3xy嘉泰姆

   • Heavy duty truck high beam drive3xy嘉泰姆

   • Control of construction machinery operation lights3xy嘉泰姆

Quick overview of key parameters

Design optimization suggestions

• High voltage PCB layoutWhen the input voltage is 72V, it is recommended to have a line width of 0.5mm and a safety distance of 2mm (in accordance with IEC60950 standard)3xy嘉泰姆

• Thermal managementWhen outputting at full load of 25W, it is necessary to solder the bottom of the chip to the inner copper foil of the 4-layer PCB (total area≥ 50mm²)3xy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) + 1V3xy嘉泰姆

• 25W high-power LED driver IC3xy嘉泰姆

• TO263-5L Package Driver Solution3xy嘉泰姆

• 14 string LED constant current control chip3xy嘉泰姆

• Class3B ESD industrial grade protection3xy嘉泰姆

pass72V ultra-high voltage compatibilityandTO263 package for efficient heat dissipation， CXLE86242 provides industrial high-power LED systemsHigh reliability, easy scalability, low costThe full scenario driven solution.3xy嘉泰姆
Bill of Materials3xy嘉泰姆
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PCB layout3xy嘉泰姆
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Typical performance curve3xy嘉泰姆
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Application Information3xy嘉泰姆
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PCB Layout Guide3xy嘉泰姆

1. Power lines such as VIN, GND, SW, VOUT, etc., thick, short, and straight;3xy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;3xy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.3xy嘉泰姆

Selection Guide for Related Chips3xy嘉泰姆

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