PHYBoost enables programmable four-level USB signal drive strengths in downstream port transceivers. PHYBoost attempts to restore USB signal integrity that has been compromised by system level variables such as poor PCB layout, long cables, etc. The graphics below show an example of Hi-Speed USB eye diagrams before (PHYBoost at 0%) and after (PHYBoost at 12%) signal integrity restoration in a compromised system environment.

SMSC Devices with PHYBoost Technology
LAN951x Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| LAN9512 | Commercial Temperature Range | LAN9512-JZX | 64 QFN |
| LAN9514 | Commercial Temperature Range | LAN9514-JZX | 64 QFN |
| LAN9512i | Industrial Temperature Range | LAN9512i-JZX | 64 QFN |
| LAN9514i | Industrial Temperature Range | LAN9514i-JZX | 64 QFN |
| LAN9513 | Commercial Temperature Range | LAN9513-JZX | 64 QFN |
| LAN9513i | Industrial Temperature Range | LAN9513i-JZX | 64 QFN |
USB251x Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| USB2512* | Commercial Temperature Range | USB2512-AEZG | 36 QFN |
| USB2512i* | Industrial Temperature Range | USB2512i-AEZG | 36 QFN |
| USB2512A* | Commercial Temperature Range | USB2512A-AEZG | 36 QFN |
| USB2512Ai* | Industrial Temperature Range | USB2512Ai-AEZG | 36 QFN |
| USB2513* | Commercial Temperature Range | USB2513-AEZG | 36 QFN |
| USB2513* | Commercial Temperature Range | USB2513-HZH | 48 QFN |
| USB2513i* | Industrial Temperature Range | USB2513i-AEZG | 36 QFN |
| USB2514* | Commercial Temperature Range | USB2514-AEZG | 36 QFN |
| USB2514* | Commercial Temperature Range | USB2514-HZH | 48 QFN |
| USB2514i* | Industrial Temperature Range | USB2514i-AEZG | 36 QFN |
| USB2514i* | Industrial Temperature Range | USB2514i-HZH | 48 QFN |
| USB2517 | Commercial Temperature Range | USB2517-JZX | 64 QFN |
| USB2517i | Industrial Temperature Range | USB2517i-JZX | 64 QFN |
*Note: Not recommended for new designs.
USB251xB Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| USB2512B | Extended Commercial Temperature Range - Drop-in replacement for USB2512-AEZG, USB2512A-AEZG | USB2512B-AEZG USB2512B-AEZG-TR | 36 QFN |
| USB2512Bi | Industrial Temperature Range - Drop-in replacement for USB2512i-AEZG,USB2512Ai-AEZG | USB2512Bi-AEZG USB2512Bi-AEZG-TR | 36 QFN |
| USB2513B | Extended Commercial Temperature Range - Drop-in replacement for USB2513-AEZG | USB2513B-AEZC USB2513B-AEZC-TR | 36 QFN |
| USB2513Bi | Industrial Temperature Range - Drop-in replacement for USB2513i-AEZG | USB2513Bi-AEZG USB2513Bi-AEZG-TR | 36 QFN |
| USB2514B | Extended Commercial Temperature Range - Drop-in replacement for USB2514-AEZG | USB2514B-AEZC USB2514B-AEZC-TR | 36 QFN |
| USB2514Bi | Industrial Temperature Range - Drop-in replacement for USB2514i-AEZG | USB2514Bi-AEZG USB2514Bi-AEZG-TR | 36 QFN |
USB3503 New!Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| USB3503A | Commercial Temperature Range | USB3503A-1-GL-TR | 25 WLCSP |
| USB3503Ai | Industrial Temperature Range | USB3503AI-1-GL-TR | 25 WLCSP |
USB3803 Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| USB3803C | Commercial Temperature Range | USB3803C-1-GL-TR | 25 WLCSP |
| USB3803Ci | Industrial Temperature Range | USB3803Ci-1-GL-TR | 25 WLCSP |
USB4640 Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| USB4640 | - | USB4640-HZH-xx | 48 QFN |
| USB4640 | Tape and Reel | USB4640-HZH-TR-xx | 48 QFN |
| USB4640i | - | USB4640i-HZH-xx | 48 QFN |
| USB4640i | Tape and Reel | USB4640i-HZH-TR-xx | 48 QFN |
USB553xB Part Number/Package ListDetails| Part Number | Info / Product | Order Number | Lead Free Package |
|---|
| USB5532B | Commercial Temperature Range | USB5532B-4100JZX | 64 QFN |
| USB5532B | Commercial Temperature Range, Tape and Reel | USB5532B-4100JZX-TR | 64 QFN |
| USB5532Bi | Industrial Temperature Range | USB5532Bi-4100JZX | 64 QFN |
| USB5532Bi | Industrial Temperature Range, Tape and Reel | USB5532Bi-4100JZX-TR | 64 QFN |
| USB5533B | Commercial Temperature Range | USB5533B-4100JZX | 64 QFN |
| USB5533B | Commercial Temperature Range, Tape and Reel | USB5533B-4100JZX-TR | 64 QFN |
| USB5533Bi | Industrial Temperature Range | USB5533Bi-4100JZX | 64 QFN |
| USB5533Bi | Industrial Temperature Range, Tape and Reel | USB5533Bi-4100JZX-TR | 64 QFN |
| USB5534B | Commercial Temperature Range | USB5534B-4100JZX | 64 QFN |
| USB5534B | Commercial Temperature Range, Tape and Reel | USB5534B-4100JZX-TR | 64 QFN |
| USB5534Bi | Industrial Temperature Range | USB5534Bi-4100JZX | 64 QFN |
| USB5534Bi | Industrial Temperature Range, Tape and Reel | USB5534Bi-4100JZX-TR | 64 QFN |
| USB5537B | Commercial Temperature Range | USB5537B-4100AKZE | 72 QFN |
| USB5537B | Commercial Temperature Range, Tape and Reel | USB5537B-4100AKZE-TR | 72 QFN |
| USB5537Bi | Industrial Temperature Range | USB5537Bi-4100AKZE | 72 QFN |
| USB5537Bi | Industrial Temperature Range, Tape and Reel | USB5537Bi-4100AKZE-TR | 72 QFN |