• [ CXLE86243 ]"

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CXLE86243  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 efficiencyRealize 2A continuous output, with a maximum output power of 30W, paired with industrial grade TO220-5L packaging, providing a stable and reliable high brightness lighting solution for extreme temperature environments (-40 ℃~125 ℃).rVG嘉泰姆

Core performance advantages

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

• Covering 5V~72V ultra wide input, compatible with industrial 48V power supply system and car 24V/48V battery packrVG嘉泰姆

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

✅& nbsp;Precise constant current controlrVG嘉泰姆

• Constant 150KHz switching frequency, paired with 0.22V high-precision current sampling (3% accuracy), load adjustment rate; 1.2%rVG嘉泰姆

• Built in loop compensation module, peripheral components reduced to less than 5, BOM cost reduced by 30%rVG嘉泰姆

✅& nbsp;Industrial grade reliable designrVG嘉泰姆

• Triple protection mechanismHot shutdown protection (automatic recovery), dynamic current limiting protection, Class3B ESD protection (± 4000V HBM)rVG嘉泰姆

• TO220-5L package provides 1.5 ℃/W ultra-low thermal resistance and supports 30W short-term peak output without heat sinkrVG嘉泰姆

• Industrial 30W LED driver ICrVG嘉泰姆

• 14 string LED high voltage constant current controlrVG嘉泰姆

• Class3B ESD high protection chiprVG嘉泰姆

Typical application scenarios

1. Industrial and Outdoor LightingrVG嘉泰姆

   • Explosion proof searchlight in oil and mining areasrVG嘉泰姆

   • High brightness lighting for railway tunnelsrVG嘉泰姆

   • High brightness lighting for industrial and mining equipmentrVG嘉泰姆

   • Solar street light driver modulerVG嘉泰姆

   • Design of Multi string LED Backlight Power SupplyrVG嘉泰姆

   • Outdoor searchlight driving solutionrVG嘉泰姆

2. new energy systemrVG嘉泰姆

   • Solar street light constant current driverVG嘉泰姆

   • Wind solar complementary energy storage device indicator lightrVG嘉泰姆

3. special vehiclerVG嘉泰姆

   • Fire truck police flashing lightsrVG嘉泰姆

   • Mining truck high beam driverVG嘉泰姆

Quick overview of key parameters

Design optimization suggestions

• High voltage PCB designWhen inputting 72V, it is recommended to use a 2oz thick copper PCB with a high voltage wire spacing of 2.5mmrVG嘉泰姆

• Heat dissipation schemeContinuous 30W output requires the use of a heat sink (recommended 15cm); Aluminum substrate), or forced air cooling (wind speed≥ 2m/s)rVG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) + 1.2VrVG嘉泰姆

pass72V ultra-high voltage compatibilityandTO220 package with efficient heat dissipation capability， CXLE86243 provides high-power scenarios such as industrial and special vehiclesHigh reliability, easy maintenance, low heat consumptionThe ultimate driving solution.rVG嘉泰姆
Bill of MaterialsrVG嘉泰姆
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PCB layoutrVG嘉泰姆
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Typical performance curverVG嘉泰姆
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Application InformationrVG嘉泰姆
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PCB Layout GuiderVG嘉泰姆

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

Selection Guide for Related ChipsrVG嘉泰姆

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