Shenzhen CXW Technology., Co Ltd
15 years of experience
5V3.1A car charging and voltage reduction optimization plan
September 09, 2022

Recommended for high cost performance 5V3.1A car charging and voltage reduction solutions, CX8823/CX8823A/CX8525, with a streamlined peripheral and ultra simple application line, using SOP-8 minimalist packaging, providing sample application and spot support!

CX8823/CX8823A/CX8525:

  • Input voltage 8V-30V

  • Input with overvoltage protection 32V

  • Supports 3.1A continuous output current

  • Built in constant current and constant voltage control loops

  • No external compensation required

  • 135k Hz fixed switching frequency, supporting MLCC

  • SCP/OTP/OCP/OVP multifunctional protection

  • CX8823 has a fixed 5V output, with an efficiency of up to 92%;

  • CX8823A/CX8525 has adjustable output, supports 100% duty cycle, and an efficiency of up to 96%;


CX8833/CX8833B

  • Input voltage 4.5-30V

  • Supports 3A continuous output current

  • CX8833, adjustable output, supports 100% duty cycle, with an efficiency of up to 96%

  • Output voltage and current can be set

  • No external compensation required

  • 135KHz fixed switch frequency, cable compensation voltage drop

  • SCP/OTP/OCP/UVLO multifunctional protection

  • CX8833B, fixed 5V output, efficiency up to 92%


The power supply can be matched with any protocol to easily achieve efficient QC and PD fast charging. The recommended solution combination is as follows:

CX8833+CX601 (QC3.0)

CX8525+CX7630 (PD single C port)

CX8833+CX2920AC (PD dual port)





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