USB2514B

Part: USB2514B — Microchip Type: USB 2.0 Hub Controller Description: Hardware design checklist for the Microchip USB2514B, a USB 2.0 hub controller, covering power, USB signals, clock, reset, and configuration options.

Operating Conditions:

• Supply voltage: 3.3V (for VDDA33 and VDD33 pins)
• Clock frequency: 24.000 MHz (±350 ppm)

Absolute Maximum Ratings:

Key Specs:

• Upstream USB 2.0 differential pairs: USBDP_UP (pin 31), USBDM_UP (pin 30)
• Downstream USB 2.0 differential pairs: USBDP_DN1-4 (pins 2, 4, 7, 9), USBDM_DN1-4 (pins 1, 3, 6, 8)
• RBIAS resistor: 12 kΩ (1% tolerance) to ground on pin 35
• Crystal frequency: 24.000 MHz (±350 ppm)
• I2C configuration speed (EEPROM mode): 58.6 kHz
• Downstream port power capability: 500 mA (USB2), 1.5A or 3.0A (Type-C)
• Upstream VBUS capacitance: No more than 10 μF total

Features:

• Integrated USB terminations and resistors for PHY interfaces
• PortSwap feature for USB 2.0 differential pair polarity inversion (via SMBus/I2C)
• PHYBoost configuration options for signal integrity compensation
• PRTPWRx output for port power control (active-high, 3.3V logic)
• OCS_Nx input for overcurrent detection (active-low, internal pull-up to 3.3V)
• Support for Type-C downstream ports (requires external Type-C controller)
• Configurable via hardware straps (CFG_SEL[1:0]), SMBus/I2C, or I2C EEPROM
• Non-removable port settings via EEPROM, I2C-based SOC/MCU, or hardware straps (NON_REM[1:0])
• Self-Powered or Bus-Powered operation modes

Applications:

• USB 2.0 hub designs
• Systems requiring USB-IF compliant products
• Designs with external ESD protection, overvoltage protection, or EMI reduction

Package: