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AC/DC Power Adapters

AC/DC Power Adapters

Enabling accurate control of a secondary-side voltage

Converters incorporating PrimAccurate™ technology enable accurate control of a secondary-side voltage to provide an AC/DC power supply for a wide variety of applications. Learn more about our AC/DC product portfolio below.

Digital Power Conversion up to 45W

Our AC/DC converter products offer both stand-alone digital controllers and digital controllers with integrated power devices to provide an AC/DC power supply for a wide variety of applications including power adapters and off-line LED driving applications for solid state lighting.

Dialog's AC/DC products incorporate PrimAccurate™ technology which enables accurate control of a secondary-side voltage from the primary side of an isolated power supply without the need of an opto-isolater, improving reliability, reducing size and lowering total BOM cost.

AC/DC - Power Adapter Product Portfolio
Product Key Feature Applications Model
iW600 Not Recommended for New Designs - See iW676 Travel Adapters up to 10W  
iW620 Not Recommended for New Designs - See iW636 Qualcomm® Quick Charge™ 2.0 Class A (5V/9V/12V) Adapters  
iW626 Not Recommended for New Designs - See iW636 Qualcomm® Quick Charge™ 2.0 Class A (5V/9V/12V) Adapters; Companion to iW1780  
iW628 Adaptive Voltage Position Monitor; Companion to iW1766C1, iW1767 AC/DC Controllers High Efficiency, Ultra-Low Standby, Ultra-Fast Dynamic Load Response (DLR) AC/DC Power Supplies  
iW629 AC/DC Secondary-Side RapidCharge™ Controller with D+/D- Overvoltage Protection Qualcomm® Quick Charge™ 2.0 Class A (5V/9V/12V) Adapters; Companion to iW1780  
iW632 Not Recommended for New Designs Qualcomm® Quick Charge™ 2.0 Class A (5V/9V/12V) and Divider Mode Adapters  
iW636 AC/DC Secondary-Side RapidCharge™ Controller with D+/D- Overvoltage Protection Qualcomm® Quick Charge™ 3.0 and 2.0 Adapters; Companion to iW1782  
iW656 USB Power Delivery Interface Controller for AC/DC Power Adapters RapidCharge AC/DC Power Adapters for Smartphones, Tablets and Other Mobile Devices  
iW656P USB Power Delivery 3.0 Interface Controller for AC/DC Power Adapters and Power Supplies, with D+/D-/CC1/CC2 Overvoltage Protection USB Power Delivery 3.0, Qualcomm® Quick Charge™ 4+, Direct Charge Adapters; USB PD Power Supplies; Companion to iW1781 or iW1791  
iW657P USB Power Delivery 3.0 Interface Controller for AC/DC Power Adapters and Power Supplies, with D+/D-/CC1/CC2 Overvoltage Protection and Integrated Current Sense USB Power Delivery 3.0, Qualcomm® Quick Charge™ 4+, Direct Charge Adapters; USB PD Power Supplies; Companion to iW1781 or iW1791  
Integrated Synchronous Rectifier and Rapid Charge Interface Controller – No Optocoupler Needed
Low BOM Cost Qualcomm® Quick Charge™ 3.0 and 2.0 Travel Adapters
  
iW671 Not Recommended for New Designs - See iW673 Higher Efficiency, Ultra-Low Standby, Ultra-Fast Dynamic Load Response (DLR) AC/DC Power Supplies  
iW673 Digital Green-Mode Synchronous Rectifier Controller High performance synchronous rectifier for compact AC/DC adapters
Synchronous Rectifier Controller Optimized for a Wide Range of Output Voltages, with Active Voltage Position Control (AVP) Function for Fast Dynamic Load Response (DLR)
Ultra-High Power Density, Ultra-Low Standby, Ultra-Fast Dynamic Load Response (DLR) AC/DC Adapters/Chargers, Including RapidCharge™
iW873

Secondary-Side Synchronous Rectifier Controller with Integrated 60V MOSFET

High Power Density AC/DC Power Adapters up to 15W Output Power
iW1600
Not Recommended for New Designs - See iW1602
 Travel Adapters for Smartphones and Tablets up to 10W  
iW1601 Not Recommended for New Designs - See iW1602 Travel Adapters for Smartphones and Tablets  
iW1602 Configurable Light-Load Operation Mode to Optimize for Low No-Load Power Consumption and Fast DLR 30W Travel Adapters
iW1608 Real-Time Output Current Limit Configuration, Configurable Light-Load Operation Mode to Optimize for Low No-Load Power Consumption and Fast DLR 30W Universal Input Travel Adapters, Adjustable Current Limit Power Supplies  
iW1676 < 30mW Standby Power Compact Low Power AC/DC Power Adapters  
iW1677 < 20mW Standby Power Compact Low Power AC/DC Power Adapters  
iW1678 Not Recommended for New Designs: For Improved Performance – See iW1676 Compact Low Power AC/DC Power Adapters  
iW1679 Not Recommended for New Designs - See iW1709 Smart Phone, Media Tablet, Consumer Electronics 5V/2A Power Adapters  
iW1680 Not Recommended for New Designs MediaTek Pump Express™ Adapters (up to 5V)  
iW1689 For Improved Performance – See iW1676, iW1677, iW1700 Compact Low Power AC/DC Power Adapters  
iW1690 Not Recommended for New Designs; For Improved Performance – See iW1676, iW1677, iW1700 Compact Low Power AC/DC Power Adapters  
iW1691 For Improved Performance – See iW1699B Ultra-Compact AC/DC Power Adapters for Cell Phones, PDAs, and Digital Still Cameras up to 10W  
iW1692 Not Recommended for New Designs; For Improved Performance – See iW1676, iW1677 Compact Low Power AC/DC Power Adapters  
iW1696 Linear and RCC Replacement; For Improved Performance – See iW1676, iW1677, iW1700 Cordless Phone, Cellular Phone, and Other Low Power Adapters  
iW1697 < 20mW No-Load Standby Power 5-Star Cell Phone Power Adapters  
iW1698 Not Recommended for New Designs; For Improved Performance – See iW1677 Compact Low Power AC/DC Power Adapters  
iW1699 Not Recommended for New Designs - See iW1699B Power Adapters up to 12W  
iW1699B 1% Output Ripple, Small Solution Size, SmartDefender™ Advanced Hiccup Technology Compact Power Adapters up to 30W
iW1700 < 5mW No-Load Standby Power Power Adapters Requiring Zero No-Load Power for Cell Phones, Audio Players and Other Low-Power Portable Devices  
iW1702 Configurable Light-Load Operation Mode to Optimize for Low No-Load Power Consumption and Fast DLR 45W Power Adapters for 9V+ Applications, Including Network Devices, Monitors, Universal AC/DC Adapters; External Input OVP option for 5V+ Applications
iW1706 Optimized 72kHz Max Switching Frequency Network Power Adapters for Wireless Routers and ADSL Modems  
iW1707 PrimAccurate™ Digital Controller in SOT-23 Package Network Power Adapters for Wireless Access Points and ADSL Modems  
iW1709 <50mW No-Load Power Consumption PrimAccurate™ Controller Network Power Adapters for Wireless Access Points, ADSL Modems, Set-Top Box and Home Appliances
iW1710 Reduces Number of Components and Cost; For Improved Performance - See iW1760 Networking Adapters up to 40W  
iW1760 Not Recommended for New Designs - See iW1760B Power Adapters up to 40W  
iW1760B 1% Output Ripple, Small Solution Size Network Device, Monitor, Ultrabook Power Adapters up to 45W
iW1761 Selectable Cable Drop Compensation Optimized for 10-12W Power Adapters  
iW1762 Selectable Cable Drop Compensation Optimized for Networking Adapters Between 15-24W  
iW1766C1 Works with iW671 SR or iW628 Adaptive Voltage Position Monitor for High Efficiency, Ultra-Low No-Load Standby, Ultra-Fast Dynamic Load Response (DLR) High Power Density, Ultra-Low Standby, Ultra-Fast Dynamic Load Response (DLR) AC/DC Power Supplies  
iW1767 Very Fast Dynamic Load Response Optimized for Networking Adapters Between 15-24W  
iW1770 High Peak Power Capable AC/DC Controller with SmartDefender™ Advanced Hiccup Technology Ultrabook, Network Device Power Supplies, Universal Input AC/DC Adapters to 40W
iW1780 High Efficiency for Small Form-Factor Adapters, up to 40W, SmartDefender™ Advanced Hiccup Technology Qualcomm® Quick Charge™ 2.0 Class A (5V/9V/12V) Adapters; Companion to iW626 or iW629  
iW1780H High Efficiency for Small Form-Factor Adapters up to 45W; SmartDefender™ Technology Qualcomm® Quick Charge™ 3.0 and 2.0 Adapters; Companion to iW636  
iW1781 45W Rapid Charge™ AC/DC Digital Controller RapidCharge™ AC/DC Power Adapters for Smartphones, Tablets and Other Mobile Devices  
iW1782 High Efficiency for Small Form-Factor Adapters, up to 45W, D+/D- Overvoltage Protection; SmartDefender™ Advanced Hiccup Technology Qualcomm® Quick Charge™ Charge 3.0 Compatible Solution; companion to the iW636  
iW1788 Not Recommended for New Designs MediaTek Pump Express™ Plus Adapters Gen 1 (up to 12V)  
Low BOM Cost for Small Form-Factor Qualcomm® Quick Charge™ 3.0 and 2.0 Travel Adapters up to 24W
Qualcomm® Quick Charge™ 3.0 and 2.0 Travel Adapters; Companion to the iW662
  
iW1791 Reduced BOM Cost 27W Rapid Charge™ AC/DC Digital Controller RapidCharge™ AC/DC Power Adapters for Smartphones, Tablets and Other Mobile  
iW1796 27W Low BOM Cost RapidCharge™ AC/DC Digital Controller with XM-Comm Technology in Small SOT23-6 RapidCharge AC/DC Power Adapters for Smartphones, Tablets and Other Mobile Devices Using Qualcomm Quick Charge 3.0, 2.0 and other Protocols  
iW1797 27W High Resolution RapidCharge™ AC/DC Digital Controller in Small SOT23-6 RapidCharge AC/DC Power Adapters for Smartphones, Tablets and Other Mobile Devices Equipped with USB PD, Qualcomm Quick Charge 4+, Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 2.0, Direct Charge Protocols  
iW1798 45W RapidCharge™ AC/DC Digital Controller with XM-Comm Technology and Advanced Protection Features RapidCharge AC/DC Power Adapters for Smartphones, Tablets and Other Mobile Devices Using Qualcomm Quick Charge 3.0, 2.0 and other Protocols  
iW1799 45W RapidCharge™ AC/DC Digital Controller with XM-Comm Technology and Advanced Protection Features RapidCharge AC/DC Power Adapters for Smartphones, Tablets and Other Mobile Devices Using Qualcomm Quick Charge 3.0, 2.0 and other Protocols  
iW1810 64kHz Integrated BJT, 3.5W Output; For Improved Performance – See iW1812 Low-Power AC/DC Power Supply for Smart Meters, Motor Control, and Industrial Applications  
iW1812 64kHz Integrated BJT Optimized for 5Vout, 5W Output Low-Power AC/DC Power Supply for Smart Meters, Motor Control, Industrial, and Home Appliance Applications  
iW1815 64kHz Integrated BJT Optimized for 12Vout, 7W Output Low-Power AC/DC Power Supply for Smart Meters, Motor Control, Home Appliances and Industrial Applications  
64kHz Integrated BJT Optimized for 12Vout, 5W Output
Low-Power AC/DC Power Supply with Soft Start-Up Circuit for Networking, Industrial and Home Appliance Applications
  
iW1820 72kHz Integrated 800V Power BJT Optimized for 5Vout, 15W Output, No Optocoupler, Accurate Voltage Cross-Regulation Low-Power, Compact AC/DC Power Adapters/Chargers for Media Tablets, Smartphones, Consumer Electronics, AC/DC Power Supplies for Smart Meters, Home Appliances, Industrial Applications  

SmartDefender™ Smart Hiccup Technology

Dialog’s SmartDefender™ advanced hiccup technology reduces power dissipation in cables and connnectors during over current conditions, helping to improve safety and reliability in USB power adapters for smartphones and tablets. To learn more about Dialog’s SmartDefender™ click here.

 

PrimAccurate™ Control

  • Primary-Side Control of Secondary Output Voltage and Current
  • No Opto-Isolator - Reduced BOM Cost/Solution Size

Real-Time Waveform Analysis

  • Cycle-by-Cycle Control of Output Voltage and Current
  • Fast Transient Response
  • Current and Voltage Protection

EZ-EMI™

  • Internally Implemented EMI Reduction Technique - Valley Mode Swiching
  • Eases Design to Achieve International EMI Standards

Adaptive Multi-Mode Control

  • PWM at Full Loads
  • PFM at Medium Loads
  • Deep PWM at Light Loads
  • Deep PFM at Very Light Loads
  • Maximizes Efficiency Across Loads
  • Elminates Audible Noise

Dynamic Base Drive - BJT Controllers and Integrated Converters

  • Optimizes Drive to Power Bipolar Transistor
  • Improves Efficiency and EMI

Applications

  • Off-Line Power Adapters
  • Solid-State Lighting
  • Power Supplies for Consumer and Industrial Electronics

Dialog’s DiaSIM simulation models and tools enable simulation and validation of AC/DC power supplies using highly accurate models for selected products. All models and application circuits are available for download from the support website.

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