USB3803BI-1-GL-TR

Controllers Overview

The USB3803BI-1-GL-TR is a low-power, USB 2.0 hub controller featuring three downstream ports and an integrated bypass switch. It supports Full-Speed, Low-Speed, and High-Speed data transfers. The device includes internal 3.3V and 1.2V voltage regulators for single-supply operation and offers battery charger detection compliant with USB-IF Battery Charging 1.1. It utilizes a 25-pin WLCSP package measuring 1.95mm x 1.95mm with a 0.4mm ball pitch.

Controllers Feature Summary

• Integrated USB 2.0 compatible 3-port hub with dedicated transaction translators per port
• Advanced power saving features including standby current minimization and digital core shutdown
• Supports USB Battery Charger Detection for DCP, CDP, and SDP types
• Configurable via serial I2C slave interface for VID/PID/DID and string descriptors

Controllers Applications

• Mobile Phones
• Ultra Mobile PCs
• Tablet Computers
• Digital Still Cameras
• Portable Media Players

Controllers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm temperature range and package variations. Ensure compatibility with system power supply requirements and reference clock frequencies before integration. Cross-reference pin assignments with the latest datasheet revision to avoid design errors.

Controllers Selection Notes

Select this component for portable applications requiring multiple USB connections with strict power constraints. Consider the integrated bypass switch for simplified connectivity in non-high-speed modes. Evaluate the I2C configuration flexibility for customizing hub behavior and identifiers within the target embedded system architecture.

Controllers Part Context

This part belongs to the USB3803 family of low-power USB 2.0 hub controllers designed specifically for mobile embedded systems. The family includes variants optimized for different temperature ranges and operational modes, focusing on minimizing bill of materials and board space while maintaining high performance.

Controllers Replacement Considerations

Consult Microchip Technology documentation for officially confirmed substitute part numbers within the USB3803 family or equivalent series. Verify pinout compatibility and electrical specifications before considering alternative components from other manufacturers.