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OB2613x
GENERAL DESCRIPTION
OB2613X is a highly integrated secondary-side fast charging controller that supports USB PD3.0 including programmable power supply(PPS) mode, Huawei FCP/SCP protocol and Qualcomm QC4.0+ protocol. It is designed for USB power delivery AC/DC off-line adapter or charger application.
OB2613X works as Source and communicates with Sink on the CC wire using the USB PD3.0 protocol. The mixed-signal front end on the CC pins advertises default (500 mA), 1.5 A or 3 A for Type-C power sources, detects a plug event and determines the USB Type-C cable orientation, and autonomously negotiates USB PD contracts by adhering to the specified bi-phase marked coding (BMC) and physical layer (PHY) protocol. OB2613X can also monitor USB DP/DN data line voltage or DN data line transmission that supports Qualcomm QC3.0 and Huawei fast charging FCP, and automatically adjusts output voltage and output current.
FEATURES
■ Protocol Support
● Support USB PD3.0 with PPS, TID:89
● Qualcomm QC4+ protocol, Report Number: QC2018122138
● Huawei SCP protocol
● PE2.0
● APPLE 2.4A
● Automatic Identification of Protocols
■ Highly Integration
● Secondary-side Constant Voltage (CV)and Constant Current (CC)Regualtion
● Constant voltage programmable with 10mV/step
● Constant current programmable with 50mA/step
● Built-in Unplug Fast Discharging Control
● Programmable Cable Drop Compensation
● Built-in N-MOSFET Gate Driver
● Output voltage fast discharge
● 10bit ADC for voltage and current monitor
● 8bit MCU with 16K MTP
■ 3V~21V wide range output voltage
■ Ultra Low Operating Current
■ Support USB type C downstream facing port(DFP) or upstream facing port(UFP)
■ Comprehensive protection coverage
● Output over voltage protection(OVP)
● Output over current protection(OCP)
● Output short protection(SCP)
● Output under voltage protection(UVP)
● Internal and external over temperature protection(OTP)
■ Package: SSOP10/TSSOP16/QFN24
APPLICATIONS
● USB Type-C with power delivery AC/DC adapter/charger
● Notebook computers
● Tablet and Ultrabooks
TYPICAL APPLICATION