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The AP4373A is an AC/DC secondary-side controller, which incorporates a decoder to translate Qualcomm QC2.0 protocol and transfer control signal to the primary side through opto-coupler.
The AP4373A can be used in Diodes Incorporated’s primary-side controlled AC/DC systems to achieve fast voltage transition, low noload power consumption and fast dynamic load response. When paired with Diodes Incorporated’s primary-side controller AP3792, the AP4373A uses one opto-coupler to transfer all necessary information to the AP3792 including output voltage/current change requests, output dynamic response and abnormal condition protection signal.
The AP4373A integrates a safe-discharge circuitry to quickly and reliably discharge output capacitors when the output terminal is plugged out.
This IC is available in SOT25 package.
Support Qualcomm QC2.0 Protocol Combined with the AP3792 (QC2.0: 5V/9V)
Halogen and Antimony Free. “Green” Device (Note 3)
For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/