Semiconductors
Passive Components
Sensors
Power
Optoelectronics
Diodes introduces two USB Type-C® Power Delivery (PD) 3.1 Extended Power Range (EPR) Sink controllers. Both controllers can be embedded in battery-powered devices and devices powered using a USB Type-C interface, including routers, wireless speakers, mobile power supplies and power tools. The AP33771C and AP33772S devices help product designers move from proprietary charging ports, legacy USB ports, and circular jacks to standardized USB PD ports, while enabling them to develop smaller product applications with fewer components for faster charging.
The AP33771C and AP33772S devices can control DC power requirements for devices equipped with USB Type-C interfaces, support PD3.1 EPR up to 140W, and adjustable voltage (AVS) up to 28V. Both devices outperform competitors that typically only support up to 21V AVS. The AP33771C offers a variety of power solutions, including eight output voltage levels that can be set with resistance and eight output current options, to help maximize flexibility for systems that do not have an MCU. The AP33772S, on the other hand, has an I2C communication interface and is suitable for systems with a master MCU. The AP33771C is available in the small W-DFN3030-14 (Type A1) (3mm x 3mm) package, while the AP33772S is available in the W-QFN4040-24 (Type A1) (4mm x 4mm) package.
The AP33771C and AP33772S have smart, standard built-in firmware for real-world product applications such as LED light indication, cable drop compensation, and humidity detection. Enabling this firmware in AP33771C requires no programming, but designers can also choose to configure AP33772S using I2C instructions. Both Sink controllers also feature CC pins that accept 34V inputs to provide strong system protection against accidental short-circuiting to high-voltage Vbuses. In addition, both Sink controllers support the use of NMOS FETs to transmit input voltage, thereby reducing bill of Materials (BOM) costs.
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