Description
The KSZ9131RNXI is a single-chip Ethernet transceiver from Microchip Technology, designed for high-speed networking applications. It supports IEEE 802.3 compliant Ethernet speeds of 10/100/1000Mbps and features auto-negotiation to automatically select the highest linkup speed and duplex mode. The device has on-chip termination resistors and an LDO controller to support single 3.3V supply operation, making it suitable for various applications such as industrial automation, IoT devices, consumer electronics, and telecommunications. It also includes features like energy-detect power-down mode, wake-on-LAN, programmable LED outputs, and linkMD TDR-based cable diagnostic. The KSZ9131RNXI is available in a 48-pin QFN package and operates with core voltage of 1.2V and I/O voltage of 3.3V, 2.5V, or 1.8V.
Features
According to the product information, the KSZ9131RNXI features:
- Single-chip 10/100/1000Mbps IEEE 802.3 compliant Ethernet transceiver
- GMII/MII/RGMII with 3.3V/2.5V/1.8V tolerant I/Os
- Auto-negotiation to automatically select the highest linkup speed and duplex
- On-chip termination resistors for differential pairs
- On-chip LDO controller to support single 3.3V supply operation
- Jumbo frame support up to 16KB
- Energy-detect power-down mode for reduced power consumption when the cable is not attached
- Wake-on-LAN (WOL) support with robust custom-packet detection
- Programmable LED outputs for link, activity, and speed
- Baseline wander correction
- LinkMD TDR-based cable diagnostic to identify faulty copper cabling
- Parametric NAND tree support to detect faults between chip I/Os and board
- Loopback modes for diagnostics
- Automatic MDI/MDI-X crossover to detect and correct pair swap at all speeds of operation
- MDC/MDIO management interface for PHY register configuration
These features make the KSZ9131RNXI suitable for various applications, including industrial automation, IoT devices, consumer electronics, telecommunications, and more.
Package
The package type of KSZ9131RNXI is VQFN48.
Pinout
The KSZ9131RNXI has a pin count of 48, packaged in VQFN48. It is an Ethernet Transceiver with the following functions:
- GMII/MII/RGMII interfaces
- 3.3V/2.5V/1.8V tolerant I/Os
- On-chip termination resistors for differential pairs
- On-chip LDO controller for single 3.3V supply operation
This device is suitable for various applications such as industrial automation, IoT devices, and consumer electronics that require high-speed Ethernet connectivity.
Manufacturer
The manufacturer of the KSZ9131RNXI is Microchip Technology. Microchip Technology is a leading provider of microcontroller, analog, and Flash-IP solutions, which are used in a wide range of applications including industrial automation, consumer electronics, automotive, medical devices, and more. The company was founded in 1989 and is headquartered in Chandler, Arizona, USA.
Applications
According to the product information, the application areas of KSZ9131RNXI are:
- Industrial automation using Ethernet
- Network solutions for different industries
- IoT devices requiring connectivity solutions
- Various applications for connectivity
- High-speed Ethernet for consumer electronics
- Networking solutions for telecommunications
Equivalent
Based on Microchip Technology's product portfolio, the equivalent products to KSZ9131RNXI are:
- KSZ8851LNXI
- KSZ8851MLNVI
- KSZ8851RLNVI
These products share similar features and specifications with KSZ9131RNXI, including Ethernet transceiver functionality, auto-negotiation, and energy-detect power-down mode.
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