FE1.1S-BQFN24BV

Part: FE1.1s Revision B — Terminus

Type: USB 2.0 High Speed 4-Port Hub Controller

Description: A highly integrated USB 2.0 High Speed 4-port hub controller fully compliant with USB 2.0 and Battery Charging Specification 1.1/1.2, supporting Universal Charging Solution (UCS) with integrated transceivers, regulators, and power-on-reset.

Operating Conditions:

• Supply voltage: 4.5–5.5 V (VDD5), 3.0–3.6 V (VD33)
• Operating temperature: 0 to 70 °C
• Digital input high level voltage: 2.0–5.5 V

Absolute Maximum Ratings:

• Max junction/storage temperature: +150 °C

Key Specs:

• Upstream Port Speed: High-Speed (480MHz), Full-Speed (12MHz)
• Downstream Port Speed: High-Speed, Full-Speed, Low-Speed (12MHz)
• XIN input capacitance: 32 ρF (Typ.)
• Internal Pull-Up Resistor Range: 39–116 KΩ
• Digital input low level voltage: -0.3–0.8 V
• Digital output high level voltage: 2.4 V (Min.)
• Digital output low level voltage: 0.4 V (Max.)
• Crystal Frequency Accuracy: 12MHz ± 50ppm
• Crystal Load Capacitance: 16pF ~ 20pF

Features:

• Fully compliant with USB 2.0 and USB Battery Charging Specification 1.1/1.2
• Integrated USB 2.0 Transceivers
• Integrated 5V to 3.3V and 1.8V regulators
• Integrated Power-On-Reset with power failure detection circuit
• Integrated 12MHz Oscillator and 12MHz-to-480MHz Phase Lock Loop (PLL)
• Single Transaction Translator (Single TT) for all downstream ports
• Ganged Power Control and Global OverCurrent Detection support
• EEPROM configurable options (Vendor ID, Product ID, Device Release Number, Number of Downstream Ports)
• Board configurable Port Indicators (Individual, Joint, or Charging Request/Portable Device Detection)

Applications:

• Embedded applications
• Standalone hubs
• USB Charging Hubs for Universal Charging Solution compliant devices

Package:

• 24-pin WQFN (4mm x 4mm)
• 28-pin SSOP (10mm x 4mm)
• 48-pin LQFP (7mm x 7mm)

• Fully compliant with Universal Serial Bus Specification Revision 2.0 (USB 2.0);
• □ Upstream Facing Port supports HighSpeed (480MHz) and Full-Speed (12MHz) modes;
• □ 4 Downstream Facing Ports support HighSpeed, Full-Speed, and Low-Speed (12MHz) modes;
• Compliant with Universal Charging Solution, and USB Battery Charging Specification 1.1/1.2.
• Integrated USB 2.0 Transceivers;
• Integrated upstream 1.5KΩ pull-up, downstream 15KΩ pull-down, and serial resistors;
• Integrated 5V to 3.3V and 1.8V regulators;
• Integrated Power-On-Reset with power failure detection circuit;
• Integrated 12MHz Oscillator with feedback resistor and crystal load capacitors;
• Integrated 12MHz-to-480MHz Phase Lock Loop (PLL);
• Integrated Portable Device detection circuitry for UCS supporting;
• Single Transaction Translator (Single TT) -

• □ One TT for all downstream ports;
• □ The TT could handle 64 periodic StartSplit transactions, 32 periodic CompleteSplit transactions, and 6 none-periodic transactions;
• Ganged Power Control and Global OverCurrent Detection support;
• EEPROM configured options -
• □ Vendor ID, Product ID, & Device Release Number; and
• □ Number of Downstream Ports;
• Automatic re-enumeration when hub switches from self-powered mode to bus-powered mode;
• Board configured comprehensive Port Indicators support:
• □ Four Downstream Port Enabled indicator LED (Green, one for each port), plus one Active/Suspend indicator LED (Red); or
• □ One joint Downstream Port Enabled indicator LED (Green, one for all ports), plus one Active/Suspend indicator LED (Red); or
• □ One joint Downstream Port Enabled indicator LED (Green, one for all ports), plus one Charging Request/Portable Device Detection indicator LED (Blue);
• Board configure support of portable device detection mechanism for Universal Charging Solution on all 4 downstream ports.

Fig. 2: 28-Pin SSOP Pin Assignment

Fig. 2: 28-Pin SSOP Pin Assignment