Datasheet
Table Of Contents
- Chapter 1 USB251x Hub Family Differences Overview
- Chapter 2 General Description
- Chapter 3 Acronyms
- Chapter 4 Block Diagram
- Chapter 5 Pin Descriptions
- Chapter 6 LED Usage Description
- Chapter 7 Battery Charging Support
- Chapter 8 Configuration Options
- Chapter 9 DC Parameters
- 9.1 Maximum Guaranteed Ratings
- 9.2 Operating Conditions
- Figure 9.1 Supply Rise Time Model
- Table 9.1 DC Electrical Characteristics (continued)
- Table 9.2 Supply Current Unconfigured: Hi-Speed Host (ICCINTHS)
- Table 9.3 Supply Current Unconfigured: Full-Speed Host (ICCINTFS)
- Table 9.4 Supply Current Configured: Hi-Speed Host (IHCH1)
- Table 9.5 Supply Current Configured: Full-Speed Host (IFCC1)
- Table 9.6 USB251x/xi/xA/xAi Supply Current Suspend (ICSBY)
- Table 9.7 USB251xB/xBi Supply Current Suspend (ICSBY)
- Table 9.8 USB251x/xi/xA/xAi Supply Current Reset (ICRST)
- Table 9.9 USB251xB/xBi Supply Current Reset (ICRST)
- Table 9.10 Pin Capacitance for USB251x, USB251xi, USB251xA, USB251xAi
- Table 9.11 Pin Capacitance for USB251xB and USB251xBi
- 9.2.1 Package Thermal Specifications
- Chapter 10 AC Specifications
- Chapter 11 Package Outlines
USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 1.1 (04-26-10) 64 SMSC USB251x
DATASHEET
Table 9.3 Supply Current Unconfigured: Full-Speed Host (I
CCINTFS
)
PART MIN TYP MAX UNITS COMMENTS
USB2512/12i/12A/12Ai 80 85 mA
USB2512B/12Bi 35 40
USB2513/13i 80 90
USB2513B/13Bi 35 40
USB2514/14i 80 90
USB2514B/14Bi 35 40
USB2517/17i 105 115
Table 9.4 Supply Current Configured: Hi-Speed Host (I
HCH1
)
PART MIN TYP MAX UNITS COMMENTS
USB2512 130 155 mA This is the base current of one
downstream port.
USB2512i 130 160
USB2512A 120 145
USB2512Ai 120 150
USB2512B 60 65
USB2512Bi 60 70
USB2513 150 180
USB2513i 150 185
USB2513B 65 70
USB2513Bi 65 75
USB2514 155 200
USB2514i 155 205
USB2514B 70 80
USB2514Bi 70 85
USB2517 240 275
USB2517i 240 280