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USB Type-C DRP with PD protocol Supported
– Compliant with USB Type-C Specification Reversion 2.1
– Compliant with USB PD Specification Reversion 3.1
Bidirectional PD protocol for Type-C with 28 V EPR FPDO and EPR AVS Supported
Integrated VCONN Power for eMarker Detection
Integrated N-MOSFET drive with soft start
Multiple DPDM Charging Protocols Implemented
– BC1.2 DCP and Divider 3
– QC2.0, QC3.0, AFC, FCP, UFCS
Up to 35 V Maximum Voltage Rating at USB Type-C Connector Pins
Programmable Constant Voltage and Constant Current Control
Integrated dead battery function for power requesting as SINK
Fault Protections including VIN OCP, SCP, UVP, OVP and CC OVP, OCP, DPDM OVP, OTP, TSD and so on
32-bit MCU with 32 kB MTP Memory
Integrated I 2C and UART module for system communication
Integrated deep sleep mode for power saving
±6 kV HBM ESD Rating for all of Type-C Connector Pins
- HUSB251 Expand all
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Product Descriptions
HUSB251 is designed for a USB Type-C DRP product. It can support up to multiple PDOs with programmable voltage and current for different applications, such as PPS PDOs, EPR PDOs. All of PDOs are fully compliant with USB PD 3.1 Specification Rev.1.8 Besides, HUSB251 implements DPDM charging protocols for source. Both D+ and D- pins can be configured to support QC2.0, QC3.0, AFC, FCP, UFCS and divider 3 mode which provide excellent compatibility for the legacy devices. It integrates an GATE driver to enable between VBUS and VIN to protect the devices connected with Type-C connector. The high voltage tolerance and protections at CC1, CC2, D+ and D- pins provides more reliability for the system.
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Typical Application Circuit
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Sample and Order
Model Temperature Range MSL Package Option Shipping Option HUSB251-BCXXX-QN24R -40°C - 125°C SINK QFN-24L, 4 mm x 4 mm Tape & Reel, 5k 
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Product Features
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Technical Documents
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Typical Applications
Power Adapter
Car charger
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Evaluation Board Kit
