TUSB501-Q1 Texas instruments

TUSB501-Q1

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TUSB501-Q1

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Описание

The TUSB501-Q1 is a 3rd generation 3.3-V USB 3.0 single-channel redriver. When 5 Gbps SuperSpeed USB signals travel across a PCB or cable, signal integrity degrades due to loss and inter-symbol interference. The TUSB501-Q1 recovers incoming data by applying equalization that compensates channel loss, and drives out signals with a high differential voltage. This extends the possible channel length, and enables systems to pass USB 3.0 compliance. The TUSB501-Q1 advanced state machine makes it transparent to hosts and devices. After power up, the TUSB501-Q1 periodically performs receiver detection on the TX pair. If it detects a SuperSpeed USB receiver, RX termination becomes enabled, and the TUSB501-Q1 is ready to redrive. The receiver equalizer has three gain settings that are controlled by pin EQ: 3 dB, 6 dB, and 9 dB. This should be set based on amount of loss before the TUSB501-Q1. Likewise, the output driver supports configuration of De-Emphasis and Output Swing (pins DE and OS). These settings allow the TUSB501-Q1 to be flexibly placed in the SuperSpeed USB path, with optimal performance. Over previous generations, the TUSB501-Q1 features reduced power in all link states, a stronger OS option, improved receiver equalization settings, and an intelligent LFPS Controller. This controller senses the low frequency signals and automatically disables driver de-emphasis, for full USB 3.0 compliance. The TUSB501-Q1 is packaged in a small 2 x 2 mm QFN, and operates through an industrial temperature range of –40°C to 105°C.

Q100 Automotive Qualified
Aggressive Low-Power Architecture (Typical):
- 126 mW Active Power
- 20 mW in U2/U3
- 4 mW with No Connection
Automatic LFPS DE Control
Excellent Jitter and Loss Compensation
- 32 inches of FR4 4 mil Stripline
- 3 m of 30 AWG cable
Integrated Termination
Small 2 × 2 mm QFN Package
Selectable Receiver Equalization, Transmitter De-
Emphasis and Output Swing
Hot-Plug Capable
ESD Protection ±5 kV HBM and 1500 V CDM

Type	Redriver
Function	USB 3.0
USB speed (MBits)	5000
Number of channels	1
Supply voltage (max) (V)	3.6
Supply voltage (min) (V)	3
Input/ouput voltage (min) (V)	0.1
Input/ouput voltage (max) (V)	1.2
Configuration	Single-channel
Features	Single Channel USB 3.0 Redriver with Aggressive Low-Power Architecture Auto Qualified
Rating	Automotive
Operating temperature range (°C)	-40 to 105
Supply current (max) (µA)	65000
ESD HBM (typ) (kV)	5
Bandwidth (MHz)	2500