Overview
The PTN3355BS/F2MP is a low-power DisplayPort to VGA adapter integrated with a 1:2 VGA switch, designed and manufactured by NXP USA Inc. This component is optimized primarily for motherboard applications, enabling the conversion of DisplayPort signals to VGA. It supports various DisplayPort modes and features advanced monitor detection and video output capabilities.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 40-pin HVQFN, 6 mm x 6 mm x 0.85 mm (nominal); 0.5 mm pitch; lead-free package |
| Power Supply | Single 3.3 V power supply |
| Power Consumption | Approximately 200 mW for video streaming in WUXGA resolution, 410 μW in Low-power mode |
| DisplayPort Main Link | 1-lane and 2-lane modes supported; HBR (High Bit Rate) at 2.7 Gbit/s per lane, RBR (Reduced Bit Rate) at 1.62 Gbit/s per lane |
| AUX Channel | 1 MHz AUX channel; supports native AUX CH syntax and I2C-bus over AUX CH syntax |
| Video Output | Triple 8-bit Digital-to-Analog Converter (DAC); pixel clock up to 240 MHz; VSIS 1.2 compliance |
| VGA Switch | Integrated 1:2 VGA switch; supports driving VGA signals to main board or docking connector |
| Temperature Range | Commercial temperature range: 0°C to 85°C |
| ESD Protection | 7.5 kV HBM |
Key Features
- VESA-compliant DisplayPort converter with support for HBR and RBR modes
- Integrated 1:2 VGA switch, enabling BOM savings by removing the need for a discrete VGA switch component
- Supports firmware upgradability through ‘Flash-over-AUX’ scheme and I2C-bus interface
- Active HIGH Hot Plug Detect (HPD) signal to the source
- VESA-compliant eDP extensions, including Alternate Scrambler Seed Reset (ASSR) and Enhanced Framing mode
- I2C-Over-AUX feature facilitates support of MCCS, DDC/CI, and DDC protocols
- Monitor detection through load sensing on RGB lines and reporting sink connection status to the source
- Supports flexible choice of timing reference with on-board oscillator and external crystal or ceramic resonator
Applications
- Notebook computers
- Tablets
- Desktop PCs
- Dongles, adapters, and docking stations
Q & A
- What is the primary function of the PTN3355BS/F2MP?
The PTN3355BS/F2MP is a low-power DisplayPort to VGA adapter with an integrated 1:2 VGA switch, designed to convert DisplayPort signals to VGA.
- What are the supported DisplayPort modes?
The component supports 1-lane and 2-lane DisplayPort modes with High Bit Rate (HBR) at 2.7 Gbit/s per lane and Reduced Bit Rate (RBR) at 1.62 Gbit/s per lane.
- What is the power consumption of the PTN3355BS/F2MP?
The power consumption is approximately 200 mW for video streaming in WUXGA resolution and 410 μW in Low-power mode.
- What is the purpose of the integrated 1:2 VGA switch?
The integrated 1:2 VGA switch enables driving VGA signals either to the main board connector or the docking connector, helping to reduce the Bill of Materials (BOM) by eliminating the need for a discrete VGA switch component.
- Does the PTN3355BS/F2MP support firmware upgrades?
Yes, it supports firmware upgradability through the ‘Flash-over-AUX’ scheme and the I2C-bus interface.
- What is the temperature range of the PTN3355BS/F2MP?
The component operates within a commercial temperature range of 0°C to 85°C.
- What kind of ESD protection does the PTN3355BS/F2MP have?
The component has 7.5 kV HBM ESD protection.
- What are some of the key applications for the PTN3355BS/F2MP?
Key applications include notebook computers, tablets, desktop PCs, and various adapters and docking stations.
- How does the PTN3355BS/F2MP handle monitor detection?
The component performs load sensing on RGB lines and reports sink connection status to the source, aiding in monitor detection.
- What is the pixel clock rate supported by the PTN3355BS/F2MP?
The component supports a pixel clock rate up to 240 MHz.
