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) 66 SMSC USB251x
DATASHEET
Table 9.6 USB251x/xi/xA/xAi Supply Current Suspend (I
CSBY
)
PART MIN TYP MAX UNITS COMMENTS
USB2512/12A 310 420 μA All supplies combined
USB2512i/12Ai 310 600
USB2513 310 420
USB2513i 310 550
USB2514 310 420
USB2514i 310 600
USB2517 310 610
USB2517i 310 800
Table 9.7 USB251xB/xBi Supply Current Suspend (I
CSBY
)
PART MIN TYP MAX UNITS COMMENTS
USB2512B 475 1000 μA All supplies combined
USB2512Bi 475 1200
USB2513B 500 1100
USB2513Bi 500 1300
USB2514B 550 1200
USB2514Bi 550 1500
Table 9.8 USB251x/xi/xA/xAi Supply Current Reset (I
CRST
)
PART MIN TYP MAX UNITS COMMENTS
USB2512/12A 105 275 μA All supplies combined
USB2512i/12Ai 105 400
USB2513 105 230
USB2513i 100 350
USB2514 100 275
USB2514i 100 400
USB2517 115 320
USB2517i 115 600