USB
USB HUB controller for Automotive
S2R72A54
Specially developded for on-board devices, the S2R72A54 is a USB HUB controller LSI which can be used under the highest operating temperature in the industry from -40℃ to +105℃.
The greatest feature of this product is that stable communication can be performed even in sever environments where there are excessively long cables,many junctions and etc.
Furthermore, the S2R72A54 also supports low power consumption designs and on-board quality.
On-board Quality
Features
Low Voltage Operation
Small Size Package
- QFP48-pin 7mm x 7mm, QFN36-pin 6mm x 6mm, QFN36-pin 6mm x 6mm Wettable
Extensive Operating Temperature Range
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S2R72A4x series
Abundant Product Groups
- S2R72A42:Down stream port ×2(HS×2)
- S2R72A43:Down stream port ×3(HS×2, FS×1)
- S2R72A44:Down stream port ×4(HS×2, FS×2)
Re-Synchronization IC
S2R72A11
S2R72A11 is the Re-Synchronization IC which re-synchronizes the HS packet of USB 2.0 (Universal Serial Bus Specification Revision 2.0).
Stable longer connection using various USB applications, such as car navigation / car display audio to the smart phone / portable audio player.
S2R72A11 is complying with the automotive level grade quality and support the max temperature range up to 105℃.
On-board Quality
Excellent data communication characteristics (HS 480Mbps)
- HS transmission: Transmission waveform with low jitter - Support HS transmission current control
-Support HS transmission current control
- HS reception: Very high reception tolerance
Automatic USB line monitor and control function
- HS communication: Re-synchronize with HS Synchronizer
- Except for HS communication: Passes through with analog switch
Small Size Package
- QFN32-pin 5mm x 5mm Wettable
Extensive Operating Temperatrue Range
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USB bus switch ICs
The bus switch IC from Epson, who produced excellent result in USB controller.This USB bus switch ICs supports USB 2.0 high-speed transmission by reduced switch pin capacitance. This product features the low power consumption and compact package.
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USB bus switch ICs spec table 
Main specifications
Status |
Manual |
Data sheet |
Products |
Input voltage range |
Operational power
consumption |
ON resistance |
Pin capacity |
Package |
MP |
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 |
S1F77310M0A |
3.0V to 3.6V |
14µA (Max.) |
5.3Ω (Typ.) |
1.7pF (Typ.) |
PLP-8pin |
MP |
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 |
S1F77330B0A |
3.0V to 3.6V |
14µA (Max.) |
6.0Ω (Typ.) |
D-system: 2.7pF (Typ.)
D*-system: 1.45pF (Typ.) |
WCSP-10pin |
MP |
- |
- |
S1F77330M0A |
3.0V to 3.6V |
14µA (Max.) |
6.0Ω (Typ.) |
D-system: 2.7pF (Typ.)
D*-system: 1.45pF (Typ.) |
PLP-10pin |
Note) D-system: DX, DY D*-system: D1X, D1Y, D2X, D2Y
Characteristic examples of USB 2.0 Eye-Pattern
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Block diagram
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USB
Epson USB, ATA controllers (Interface ICs) will be continuously supplied to the customers, however the technical support from Epson will be finished by March 31, 2010.
For more information, please contact us.