CXLE86232 is a high-efficiency synchronous step-down constant current LED driver with constant switching frequency of 200kHz, output current capability up to 2A,CXLE86232 supports wide input operating voltage range of 5V ~ 45V, at the same time, it supports a maximum duty cycle of 100% output. The built-in loop compensation module of the chip effectively reduces the number of system components, reduces the cost of the entire power system and reduces the space of the printed circuit board. CXLE86232 chip built-in thermal shutdown protection function, output current limiting protection function, etc.
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[ CXLE86232 ]"
CXLE86232It is an ultra-high efficiency Buck constant current LED driver based on synchronous rectification technology, supporting5V to 45V wide input voltage range, can drive 1~10 strings of LED light sets. Chip200kHz high frequency switch architectureAchieve 2A stable output current, maximum output power 10W, matching97% industry-leading conversion efficiencyFully integrated design provides high performance and low heat consumption solutions for consumer and industrial lighting.
Core Performance advantages
✅Ultra-high energy efficiency output
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97% conversion efficiency: significantly reduce system heat loss, no cooling fin support 10W continuous output
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0.23v Current sampling voltage (accuracy ± 4%), load adjustment rate ≤ ± 2%, suitable for high consistency backlight requirements
✅Fully integrated design
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Built-in power MOSFETs and loop compensation modules, only 4 peripheral components are required, and BOM cost is reduced by 50%
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SOP8 package is compatible with standard patch technology, PCB area occupied less than 20mm²
✅Industrial reliability
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Dual protection mechanism: thermal shutdown protection (-40 ℃ ~ 125 ℃), dynamic current limiting protection
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Support100% duty cycle output, adapt to the low voltage difference scenario of battery-powered equipment
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200kHz high frequency 10W drive IC
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97% ultra-high efficiency step-down solution
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100% duty cycle LED driver
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SOP8 low-cost encapsulation solution
Typical application scenarios
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Display device
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LCD TV/monitor dynamic backlight
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Uniform Backlight Drive for medical equipment
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Intelligent lighting
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Dimmable smart ceiling lamp
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Wireless control chandeliers
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Industrial equipment
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Instrument Status Indicator
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Security protection equipment infrared fill light
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High-precision backlight driver for display
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Smart home dimming system
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Compact light source for industrial equipment
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Portable LED lighting module
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Overview of Key Parameters
| Features | Parameter |
|---|---|
| Input voltage range | 5V-45V |
| Output Current | 2A(Max) |
| Conversion efficiency | 97% |
| Output power | 10W |
| Duty cycle | 100% |
| Operating temperature | -40 ℃ ~ 125 ℃ |
| Encapsulation form | SOP8 (industrial standard package) |
Design Optimization suggestions
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High frequency layout optimization: SW pin routing length ≤ 5mm, we recommend that you add bead (600Ω @ 100MHz) to suppress high frequency noise
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Thermal management design: when 10W is output, 1oz copper foil heat dissipation area is laid under the chip (≥ 15mm²)
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LED configuration rules: it must be met when driving 10 strings of LEDVin ≥ (single LED voltage drop × 10) 0.5V
Pass97% ultra-high efficiencyAndSOP8 extreme compact design, CXLE86232 for LED drive systemHigh performance, low cost, easy mass productionThe ultimate choice, covering all consumer electronics and industrial application scenarios
