Product overview

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CXAC85251 is a high precision constant voltage constant current drive controller, designedDirect line voltage input (85V ~ 265V AC)scene design,No auxiliary winding requiredcan work, greatly simplifying the system architecture. Its integrated high-voltage power supply module supportsCritical Conduction Mode (Critical Conduction Mode), significantly reduce switching losses, realizeWide Voltage Range High Efficiency (>92%). ByDeep Pulse Frequency Modulation (PFM) Technology, standby power consumption as low<80mWand built-inLED short-circuit protection, cycle-by-cycle current limit, over-temperature protection, and VCC overvoltage/undervoltage protectionTo provide high reliability and safety for intelligent lighting systems..

   Core advantages and characteristics oOX嘉泰姆

High Performance Design

• No auxiliary winding power supplyDirect access to AC line voltage, eliminating the need for isolation transformers and auxiliary circuitsoOX嘉泰姆

• critical conduction mode: Reduce switching loss, full load efficiency> 92%, support wide input voltage (85V ~ 265V AC)oOX嘉泰姆

• Ultra-low current rippleOutput current ripple <5%, improve LED life and light efficiency consistencyoOX嘉泰姆

Multiple security protection

• Intelligent protection mechanism：oOX嘉泰姆

  • Cycle-by-cycle Current LimitoOX嘉泰姆

  • LED短路保护（Short-Circuit Protection）oOX嘉泰姆

  • Chip over-temperature protection (OTP) and VCC over-voltage/under-voltage lockout (OVP/UVLO)oOX嘉泰姆

Precise control and energy saving

• High precision constant current/constant voltage: Line and load adjustment rate error <± 1.5%oOX嘉泰姆

• Low standby power consumptionDeep PFM modulation technology, standby power consumption <80mWoOX嘉泰姆

Compact industrial-grade solution

• Ultra-small package: SOP8 package (5mm × 6mm), suitable for intelligent lighting design with limited spaceoOX嘉泰姆

   Typical application scenariosoOX嘉泰姆

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• Smart Home Lighting：oOX嘉泰姆

  • Dimmable ceiling lamp, intelligent LED downlight/spotlightoOX嘉泰姆

  • WiFi/Bluetooth Dimming Module Power SupplyoOX嘉泰姆

• commercial lighting system：oOX嘉泰姆

  • High precision constant current LED driver power supplyoOX嘉泰姆

  • Energy-saving lighting control in shopping malls/office buildingsoOX嘉泰姆

• Industrial Equipment：oOX嘉泰姆

  • Device status indicator driveroOX嘉泰姆

  • Low voltage sensor power supply moduleoOX嘉泰姆

   Technical Specification (Product PDF)Return to Top oOX嘉泰姆

If you need detailed PDF specifications, please scan WeChat and contact us. You can also get free samples and technical support.!oOX嘉泰姆

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   Product packaging diagramReturn to TopoOX嘉泰姆

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   Circuit schematicReturn to TopoOX嘉泰姆

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