100W Digital Zero Voltage Switching RapidCharge™ AC/DC Controller
Overview
Description
Pairs with iW709 to Create a Complete Solution for High-Power Density USB PD 3.0 Chargers and Travel Adapters
The iW9801 digital AC/DC controller integrates Renesas' patented adaptive Zero Voltage Switching (ZVS) technology to enable ultra-small, lightweight, low-cost, and easily portable power supplies for smartphones, tablets, laptops, power tools, and other portable products. The device operates at high switching frequencies, which allows for a much smaller transformer and passive components, and supports USB Power Delivery 3.0 with Programmable Power Supply (USB-PD PPS), along with other RapidCharge protocols at output powers up to 100W.
The iW9801 pairs with Renesas' iW709 secondary-side IC, which integrates fast charge protocol support, USB Type-C control and synchronous rectification FET control. The combined chipset offers a complete high power density AC/DC charging solution, efficiencies up to 94% and advanced protection features to enable high power charging with safe, cool operation in a small physical charger size.
Learn more about Renesas' patented adaptive ZVS technology.
Features
- High switching frequency
- Lighter, smaller transformer
- Smaller passive components for easier EMI control
- Patented adaptive ZVS control for high efficiency and low EMI
- Efficiently recycles energy to minimize heat generation
- Up to 94% efficiency
- Eases thermal management and reduces heatsink size
- User-configurable ZVS timing optimizes performance for different power MOSFETs
- Adaptive, seamless multi-mode control (MMC) improves efficiency and eliminates audible noise
- Compatible to drive GaN devices
- AC unplug detection and X-cap discharge
- Rich protection for:
- Overvoltage (OVP)
- Overcurrent (OCP)
- User-configurable over-temperature
- Shoot-through
- Brown-in/Brown-out
- VSENSE/ISENSE short
- Output short
- Extra primary-side OCP and OVP if optocoupler fails
- Intelligent, eco-friendly low standby power <20mW
- Supports USB Power Delivery 3.0 with PPS (iW709)
- Hardwired state-machine solution prevents hacking of fast chargers. To learn more, see our "RapidCharge™ Controllers Prevent Fast Charger Hacking" blog
Applications
- Low cost, ultra-small, light-weight RapidCharge AC/DC power supplies and adapters for smartphones, tablets, laptops, power tools and other portable devices using USB PD
Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Product Options
