The popularity of USB
- USB – Universal Serial Bus
- Present on most Laptops, Desktops, Tablets, Mobile phones and charging devices
- Passive USB simply provides data
- Well established technology
- Reliable
- Now capable of delivering power, data and video capability over one connector
- Very easy to configure and use
- Older generation USB2.0 run at 480Mbps over 4m
- Newer generations such as USB3.0 Gen1 run at 5Gbps over 1m
- USB3.1 Gen2 provides 10Gbps @ over 1m
- USB4.0 (USB-C) provides 40Gbps over 0.8m and support
upto 100W over power transfer
Physical connection
USB-C
- Relates to interconnection format more than anything
- Oval connector, allows insertion in either direction
- Compatible with Thunderbolt (Intel) and Lightning (Apple) connectors
- Ultimately the objective is to have one interface through which all electronic devices can be charged, powered and operated (data Tx/Rx)
- All new Apple laptops are being built with USB-C capability only
- By the way “PD” used in the context of USB relates to “Power Delivery”… not to be confused with PoE PD (… Powered Device) !!!
Ag7010 DC-DC Converter
- High Efficiency Buck Converter (Typ. 95%)
- Wide Input Voltage Range 4.5V to 28V
- Optimised to operate with USB power delivery voltages of 5V/9V/15V or 20V or distributed 12/24V supplies
- Adjustable single output 3.3V to 12V
- Low noise/ripple
- High Power Density 120W, 10A (subject to thermal limitations)
- Small form factor, SMT package 37mm x 14mm x 7mm
- Non-isolated… well below maximum SELV voltage
- Industrial Temperature Range -40°C to +85°C
- Over Current, Thermal and Polarity reversal protection
- Under Voltage Lock-Out
- PMBus (I2C) control & monitoring interface
Intended applications
- USB-C low voltage DC charged/powered consumer devices
- Monitors/TVs
- Speakers
- USB/multiport hubs
- Set-top boxes
- Gaming consoles (Flight/driving simulators/Virtual Reality)
- 2-D/3-D Scanners and Printers
- Wireless Access Points
- Network Routers/Switches and Modems
- Home Automation Controls
- Security Systems
- End point converter for distributed 12/24V, eg, cameras, monitoring systems and industrial applications