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iW662
iW662
Integrated Secondary-Side Synchronous Rectifier Controller and RapidCharge™ Interface IC for Qualcomm® Quick Charge™ 3.0 and 2.0 Applications
A team of engineers is ready to answer your questions
Uses Dialog’s XM-Comm Technology to Remove All Optocouplers from Rapid Charge Solutions
The iW662 integrated secondary-side synchronous rectifier controller and rapid charge interface IC uses Dialog’sXM-Commtechnology to communicate back to the primary-side controller, the (iW1790,iW1796,iW1798) eliminating the need for optocouplers to create solutions for rapid charging protocols such as Qualcomm Quick Charge 3.0 and 2.0 technology.
The device also integrates a synchronous rectifier controller that uses adaptive off-time control to remove the need for a parallel schottky diode to reduce power loss during transitions. The total solution reduces overall BOM cost and improves efficiency in reduced form-factor travel adapters.
The iW1790+iW662 chipset uses Dialog's advanced fault control technology to help address soft shorts in cables and connectors. Learn more about advanced hiccup technologyhere.
Qualcomm® Quick Charge™ is a product of Qualcomm Technologies, Inc.
Features
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集成IC和Synchronou RapidCharge接口s Rectifier Controller in a Single IC
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XM-Comm- Proprietary Secondary-to-Primary Digital Communication via Power Transformer:
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No need for Optocoupler
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Reduces BOM and Significantly Simplifies Design
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Handles All Rapid Charging Information
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Supports MultipleRapidChargeProtocols
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Qualcomm Quick Charge 3.0
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Qualcomm Quick Charge 2.0
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Synchronous Rectifier Controller
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High-voltage Drain Sensing up to 100 V With No Additional External Clamping Circuits Required
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Lossless MOSFET VDS Sensing for SR Timing Control with Digital Adaptive Turn-Off Control
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Optimized 5 V MOSFET Gate Driver
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Double-layer cable protection:
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Secondary side (iW662): Proprietary D+/D- Overvoltage Protection (OVP) Addresses VBUS D+/D Soft Shorts
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Intelligent Low Power Mode Enables < 20 mW No-load Power Consumption
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Dual Over-Temperature Protection (OTP)
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On-chip Temperature Sensing Circuit and External NTC
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亚博国际官网平台网址
- RapidChargeAC/DC Adapters for Smartphones, Tablets, Other Portable Devices
Block Diagrams
Functional Block Diagram
iW1790 Typical Applications Block Diagram
iW1796 Typical Applications Diagram
iW1798 Typical Applications Diagram
Resources
Date | Version | |
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iW662 Product Summary | 04/11/2019 | Rev. 1.2 |
Date | Version | |
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iW662 High Voltage Dedicated Charging Port Verification |
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