Texas Instruments - TUSB2046BVF 25W - IC, controller. 4 Port USB hub.
CY7C65631-56LTXI - Infineon - USB HUB CONTROLLER, 4 PORT, QFN-56
FE1.1S USB 2.0 High Speed 4-Port Hub Controller | Terminus USA | Fabless IC Design House
VIA Labs, Inc., VLI 威鋒電子股份有限公司
USB Hubs | Microchip Technology
USB Hubs | Microchip Technology
Microchip USB 2.0 4-Port Controller Hub connects smartphones to automotive infotainment - Embedded.com
5pcs USB 2.0 HIGH SPEED 4-PORT HUB CONTROLLER FE1.IS FE1.15 FE1.1S SSOP28 IC | eBay
4-Port USB 2.0 HUB | High Speed USB Controller Module
TUSB2046B 4-Port USB 2.0 12 Mbps USB Hub - TI | DigiKey
Programmable USB Hub - Design Evolution of the Programmable USB Hub | Crowd Supply
File:VIA Labs VL812 USB 3.0 4-Port Hub Controller - Chip on Board.jpg - Wikimedia Commons
Amazon.com: Ethernet/USB HUB HAT Expansion Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Pi Zero W/Pi Zero 2W,with RJ45 10/100M Ethernet Port (Based on RTL8152B Chip) and Three USB Ports,Compatible with USB2.0/1.1 : Electronics
USB 3.1 Mini 4 Port Hub Component with ESD Surge Protection - PCBA - Coolgear