Product overview

CXAC85250B/CXAC85250M is a high precision constant voltage constant current driver chip, designedDirect line voltage supplyScenario optimization design, no auxiliary winding can work, greatly simplifying the system architecture. Its integrated high-voltage power supply module supportsCritical Conduction Mode (Critical Conduction Mode), significantly reduce switching losses, realizeHigh efficiency over full voltage range(>90%). Deep Pulse Frequency Modulation (PFM) technology with industry-leading standby power consumption and built-inLED short-circuit protection, over-temperature protection, VCC overvoltage/undervoltage protectionImprove the safety and reliability of intelligent lighting and home appliances

   Core advantages and characteristics  AjN嘉泰姆

Simplify system design

• No auxiliary winding: Direct access line voltage (85V ~ 265V AC), eliminating the traditional isolation circuitAjN嘉泰姆

• Compact schemeSOP7 ultra-small package, saving PCB space and material costsAjN嘉泰姆

High efficiency drive

• critical conduction mode: Reduce switching losses, full load range efficiency> 90%AjN嘉泰姆

• Wide pressure and high efficiency: Support global universal voltage input (85V ~ 265V AC)AjN嘉泰姆

Multiple security protection

• System-level protectionLED short circuit protection, chip over temperature protection (OTP)AjN嘉泰姆

• Power supply stability: VCC overvoltage protection (OVP), undervoltage lockout (UVLO)AjN嘉泰姆

Precise control

• High precision constant current/constant voltage: Line and load adjustment rate error <± 2%AjN嘉泰姆

• Low standby power consumptionDeep PFM modulation technology, standby power consumption <100mWAjN嘉泰姆

   Typical application scenarios AjN嘉泰姆

• Intelligent LED lighting：AjN嘉泰姆

  • Smart home dimming ceiling lamp, LED downlight/spotlightAjN嘉泰姆

  • Commercial lighting constant current drive moduleAjN嘉泰姆

• Household appliances：AjN嘉泰姆

  • LED backlight driver for refrigerator/air conditionerAjN嘉泰姆

  • Washer/Oven Status Indicator PowerAjN嘉泰姆

• Industrial Control：AjN嘉泰姆

  • Device panel constant current backlight driverAjN嘉泰姆

  • Low voltage sensor power supply moduleAjN嘉泰姆

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

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

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   Product packaging diagramReturn to TopAjN嘉泰姆

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   Circuit schematicReturn to TopAjN嘉泰姆

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