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The AP33771 is a highly integrated USB Type-C® PD3.0/PPS sink controller. The device is targeted for DC power requests and control for Type-C connector-equipped devices (TCD). To leverage increasing popularity of standard Type-C PD3.0 power adaptors, the AP33771 negotiates with an existing PD3.0 adaptor to acquire the required power profile to supply the TCD. Working its role as DC-power requests from USB PD sources, the AP33771 interprets power input requirements (voltage/current and maximum power) from the TCD, and then establishes a power link with an external USB PD3.0 adaptor to output a suitable DC power. The voltage requests are specified by three pins (VSEL2, VSEL1, VSEL0). Up to eight voltages can be selected, and both fixed PDO and PPS APDO in the PD source adapter are supported in the AP33771 search algorithm. Up to ten maximum power levels can also be selected through different resistance values of the resistor connected to the PSEL pin. Rich power functions are embedded on the chip to reduce total BOM while maintaining maximum flexibility. A one-time-programmable (OTP) ROM is provided to store the PD/sink controller firmware.
Compliant with USB PD Rev. 3.0 v1.2
USB-IF certificated TID: 5000
Supports up to eight voltage selections by pin setting
Supports voltage selection with dynamic pin setting
Supports power capability selection
Supports flash FAULT LED indication for negotiation mismatch
Supports OTP (One-Time-Programmable) for main firmware
Supports OVP with hard reset and auto restart
Supports driver for N-MOS VBUS power switch
Supports dead-battery mode
Operating voltage range: 3.3V to 24V
Totally Lead-Free & Fully RoHS Compliant
Halogen and Antimony Free. “Green” Device
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.
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