USB2512BT/M2

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USB2512BT/M2

IC HUB CTLR 2PORT USB 2.0 HS 36S

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規格

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Protocol USB
Function Hub Controller
Interface USB
Standards USB 2.0
Voltage-Supply 3V ~ 3.6V
Current-Supply 60mA
OperatingTemperature 0°C ~ 85°C
Package/Case 36-VFQFN Exposed Pad

概述

Description

USB2512BT/M2 is a USB 2.0 hub controller IC used to add multiple USB ports to a system. It provides one upstream port (to the host) and multiple downstream ports (typ. up to four), with integrated per-port power switches and overcurrent protection. The hub handles USB 2.0 signaling (480 Mbps) and hub-level functions such as port enable/disable, connect/disconnect detect, and suspend/resume. A microcontroller or SoC configures the hub via a host interface (register map accessed over I2C/SPI-like protocol). It supports bus-powered or self-powered operation and includes status/LED control options for each downstream port. The M2 suffix typically denotes a specific variant (often industrial/temperature grade or revision); exact features, port count, voltage, and interface details vary by part revision, so consult the USB2512BT/M2 datasheet for precise specifications and register maps. Common uses include adding USB ports to embedded systems, docking stations, and multimedia devices.

Features

USB2512BT/M2 is a 4-port USB 2.0 hub controller. Key features:
- Four downstream ports plus one upstream port; High-Speed USB 2.0 (480 Mbps) with USB 1.1 compatibility
- Self-powered or bus-powered operation; supports external hub power
- Per-port power switches with over-current protection (up to 500 mA per port); per-port enable/disable
- Plug-and-play with attach/detach detect; hot-plug capable; optional per-port LED indicators
- Advanced power management: per-port power gating; suspend/resume and remote wakeup
- EHCI/OHCI host controller interface compatibility; standard hub architecture
- Low power consumption; 3.3V tolerant I/O; requires a 24 MHz clock
- Available in M2 package for embedded hub solutions

Package

USB2512BT/M2 comes in a QFN-28 package (approximately 4×4 mm; 0.5 mm pitch). The “M2” denotes the package variant.

Pinout

- Pin count: 28 pins (M2 package)
- Function: USB2512BT/M2 is a USB 2.0 hub controller with 1 upstream port and 2 downstream ports (a 2-port hub). It handles hub logic and provides per-port power switching/OC protection for the two downstream ports, supporting USB 2.0 high-speed data (up to 480 Mbps).

Manufacturer

Manufacturer: Renesas Electronics Corporation (formerly NEC Electronics).
What kind of company: A Japanese multinational semiconductor company that designs and manufactures microcontrollers, SoCs, analog and power devices, and other semiconductor solutions.

Application

Applications:
- 12-port USB 2.0 hubs for desktops/notebooks
- Docking stations and front/back panel USB hubs
- USB expansion in consumer electronics (set-top boxes, NAS enclosures, game consoles, media players)
- Industrial/embedded equipment (POS terminals, kiosks, instrumentation, medical devices)
- Automotive/embedded systems requiring USB port expansion
- Supports both self-powered and bus-powered configurations

Equivalent

Equivalent parts to USB2512BT/M2 (2-port USB 2.0 hub controller) include:
- SMSC/Microchip USB2512B (same device family)
- Genesys Logic GL852G/GL850G family (2-port USB 2.0 hubs)
- NEC uPD720200/uPD720202 family (2-port USB 2.0 hubs)
Note: exact pinout, I2C interface, and power sequencing differ. Verify electrical specs and features before substituting.

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