Core Functions

1. Multi-Fast-Charging Protocol SupportIt supports a wide range of fast-charging protocols including PD3.1, QC, PPS, SCP, and UFCS, and has obtained dual certifications for PD3.1 and UFCS. It also allows flexible customization of proprietary protocols to meet the fast-charging needs of different devices.

2. High-Power OutputThe chip integrates a high-efficiency synchronous buck converter internally, supporting output specifications of 20V7A and 28V5A with a maximum output power of 140W, which enables fast charging for high-power devices.

3. Independent Dual-Port ControlIt supports charging via USB-C and USB-A interfaces, with independent current limiting for each port. Integrated with CC/CV mode, dual-port management logic, and bus voltage detection, it can achieve dual-port buck output when paired with corresponding switching tubes.

4. Comprehensive Protection MechanismsIt has a built-in soft-start function, along with multiple protection features including input overvoltage/undervoltage protection, output overvoltage/undervoltage protection, output overcurrent/short-circuit protection, DP/DM/CC overvoltage protection, chip overheating protection, external NTC thermistor protection, and power-limiting protection.

Main Application Fields

1. AdaptersApplicable to chargers for laptops, mobile phones, and other devices, providing fast and stable charging for the connected equipment.

2. Car ChargersInstalled in vehicles to charge in-car electronic devices such as mobile phones and tablet computers.

3. Power StripsIntegrated into smart power strips to equip them with multi-port fast-charging capabilities, meeting the charging needs of various devices in home or office environments.

Technical Advantages

1. High IntegrationIt integrates a synchronous buck controller, protocol chip, and MCU into a single chip, along with Type-C interface logic and multiple fast-charging protocol detection circuits. This design simplifies the number of peripheral components and further streamlines the implementation of multi-port fast-charging applications compared to traditional fast-charging chips.

2. High-Precision Sampling & Flexible ConfigurationThe built-in ADC enables data sampling across 9 channels, including input/output voltage, output current, and chip temperature. Protection thresholds such as output current and line loss compensation can be configured via the I2C interface, and it also supports connection with an external MCU for parameter display.

3. Patented Technology SupportIt holds multiple patents including "USB Load Device Access Identification Circuit, Method, and Power Supply System", which enables more accurate identification of USB load device connection actions, avoiding false detection and missed detection.

4. Excellent CompatibilityWith support for multiple fast-charging protocols, it is compatible with devices of different brands and types, satisfying users’ diverse charging requirements.

5. High ReliabilityIt features a maximum input operating voltage of 36V and a maximum withstand voltage of 40V, with an output voltage accuracy of ±2% and output current accuracy of ±2%. Equipped with various protection mechanisms and compliant with PD and UFCS protocol certification requirements, it ensures stable and reliable operation.