Overview
The STOTG04ESQTR is a USB On-The-Go (OTG) full-speed transceiver manufactured by STMicroelectronics. This component provides a complete physical layer solution for any USB-OTG device, adhering to the universal serial bus specification revision 2.0 and the OTG supplement to the USB 2.0 specification. It is particularly suited for mobile and battery-powered devices due to its low power consumption and power-down operating mode.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Logic Supply Voltage (VIF) | 1.6 to 3.6 | V |
| Analog Supply Voltage (VBAT) | 2.7 to 5.5 | V |
| Operating Temperature Range | -40 to +85 | °C |
| USB Speed Modes | 12Mbit/s full-speed, 1.5Mbit/s low-speed | |
| VBUS Charge Pump Output Current | 35mA (typical at 3.3V supply) | mA |
| ESD Protection on USB Pins | ±6kV (contact discharge) | |
| Package Type | QFN-24 (4mm x 4mm) | |
| Power Consumption in Power Down Mode | 1µA | µA |
Key Features
- Meets the requirements of the universal serial bus specification revision 2.0 and the OTG supplement to the USB 2.0 specification.
- Three operating modes: USB, UART, and audio.
- Configurable using I2C serial interface.
- Integrated VBUS charge pump and comparators, ID line detector, and interrupt generator.
- Supports session request protocol (SRP) and host negotiation protocol (HNP).
- Integrated pull-up/-down resistors and ±6kV ESD protection on all USB pins.
- Low power consumption and power-down mode for battery-powered devices.
- Analog car kit-compatible.
Applications
- Mobile phones
- PDAs
- MP3 players
- Digital cameras
- Printers
Q & A
- What is the STOTG04ESQTR used for?
The STOTG04ESQTR is a USB On-The-Go full-speed transceiver used to provide a complete physical layer solution for any USB-OTG device.
- What are the operating modes of the STOTG04ESQTR?
The STOTG04ESQTR can operate in USB, UART, and audio modes.
- How is the STOTG04ESQTR configured?
The behavior of the transceiver is fully configurable through the two-wire I2C serial bus.
- What are the supported protocols by the STOTG04ESQTR?
The STOTG04ESQTR supports the session request protocol (SRP) and host negotiation protocol (HNP).
- What is the typical VBUS charge pump output current of the STOTG04ESQTR?
The typical VBUS charge pump output current is 35mA at a 3.3V supply voltage.
- What is the ESD protection level on the USB pins of the STOTG04ESQTR?
The USB pins have ±6kV ESD protection against contact discharge.
- What is the package type of the STOTG04ESQTR?
The STOTG04ESQTR is available in a QFN-24 (4mm x 4mm) package.
- What is the power consumption in power-down mode?
The power consumption in power-down mode is 1µA.
- What are the typical applications of the STOTG04ESQTR?
Typical applications include mobile phones, PDAs, MP3 players, digital cameras, and printers.
- What is the operating temperature range of the STOTG04ESQTR?
The operating temperature range is -40°C to +85°C.
