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SuperSpeed USB 3.0 Redriver
PTN36241B is a SuperSpeed USB 3.0 redriver IC that enhances signal quality by performing receive equalization on the deteriorated input signal followed by transmit de-emphasis maximizing system link performance. With its superior differential signal conditioning and enhancement capability, the device delivers significant flexibility and performance scaling for various systems with different PCB trace and cable channel conditions and still benefit from optimum power consumption.
PTN36241B is a dual-channel device that supports data signaling rate of 5 Gbit/s through each channel. PTN36241B has two channels: one channel is facing the USB host, and another channel is facing the USB peripheral or device. Each channel consists of a high-speed Transmit (Tx) differential lane and a high-speed Receive (Rx) differential lane.
PTN36241B has independent 5-level configuration pins for each channel to select receive equalization, transmit de-emphasis and output swing and these pins can be easily configured by board-strapping (for example, short, open, resistor). To support applications that require greater level of configurability, PTN36241B delivers intelligent multiplexing of I2C-bus interface onto 5-level configuration pins. By default, the device is configured with the board-strapped levels of configuration pins. When I2C-bus reads/writes are performed over these multiplexed pins, the device decodes I2C transactions and configures its internal functions appropriately.
PTN36241B has built-in advanced power management capability that enables significant power savings under various different USB 3.0 Low-power modes (U2/U3). It can detect LFPS signaling and link electrical conditions and can dynamically activate/de-activate internal circuitry and logic. The device performs these actions without host software intervention and conserves power.
PTN36241B goes through the compliance testing controlled by the internal state machine. No compliance pin is required.
PTN36241B is powered from 3.3 V supply and is available in HVQFN24 4 mm x 4 mm package with 0.5 mm pitch.
Product Details
Features
High-speed channel processing
- Supports USB 3.0 specification (SuperSpeed only)
- Support of 2 channels
- Selectable receive equalization on each channel to recover from InterSymbol Interference (ISI) and high-frequency losses, with provision to choose from five Equalization gain settings per channel
- Selectable transmit de-emphasis and output swing on each channel delivers pre-compensation suited to channel conditions
- Supports pin and I2C-bus programmable Input Signal Threshold setting to work reliably under different noise environments accommodating sensitivity needs
- Integrated termination resistors provide impedance matching on both transmit and receive sides
- Programmable termination resistor for receiver side
- Automatic receiver termination indication and detection
- Low active power: 330 mW/100 mA (typical), VDD = 3.3 V
- Power-saving states:
- 53 mW/16 mA (typical) when in U2/U3 states
- 20 mW/6 mA (typical) when no connection detected
- Excellent differential and common return loss performance
- 14 dB differential and 15 dB common-mode return loss for 10 MHz to 1250 MHz
- Flow-through pinout to ease PCB layout and minimize crosstalk effects
- Hot Plug capable
- Supports EasyCom that goes through the compliance testing controlled by the internal state machine
- Power supply: VDD = 3.3 V ± 10 %
- HVQFN24 4 mm 4 mm package, 0.5 mm pitch; exposed center pad for thermal relief and electrical ground
- ESD: 5 kV HBM, 1250 V CDM
- Operating temperature range 0 °C to 85 °C
Enhancements
- Intelligent I²C-bus multiplexing and 5-level logic configuration options (with quinary pins),delivering ultimate flexibility
- I²C-bus interface:
- Standard-mode (100 kbit/s) or Fast-mode (400 kbit/s)
- 3.3 V tolerant
Part numbers include: PTN36241BBS.
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