LM25066 (2)
The LM25066 is available from Texas Instruments at Xecor. Designed for managing and protecting the electrical operating conditions of computing and storage blades connected to a backplane power bus, the LM25066 offers high-performance hot-swap control with PMBus™ compliance, real-time monitoring of voltage, current, power, and temperature, and configurable protection features. Available in a 24-lead WQFN package, it is ideal for applications in data centers, telecommunications, and industrial systems. Whether used in server backplanes, power distribution systems, or other high-reliability environments, this series ensures accurate power measurement, robust protection, and efficient operation for demanding applications. Xecor is an authorized distributor for Texas Instruments. Please view our extensive selection of the LM25066 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LM25066APSQ/NOPB | Hot Swap Controller 1-CH 17V N-Channel Positive Voltage 24-Pin WQFN EP T/R | WQFN-24 | 4,027 | |
| LM25066APSQE/NOPB | N-Channel Hot Swap Controller for Positive Voltage, LM25066APSQE/NOPB, 17V Capability | WQFN (NHZ)-24 | 4,646 |
Key Featrues
Wide Input Voltage Range (2.9 V to 17 V): The LM25066 supports a broad input voltage range, making it versatile for various applications, including computing and storage blades. This flexibility ensures compatibility with multiple power sources and enhances system adaptability in diverse environments.
PMBus™ Compliant SMBus/I²C Interface: The device integrates a PMBus-compliant interface for accurate monitoring and control of electrical parameters. This feature enables real-time data exchange with the system management host, improving system diagnostics, efficiency, and fault management.
Programmable Current Limit and Circuit Breaker Protection: With configurable current limit thresholds and circuit breaker functionality, the LM25066 protects sensitive circuitry during hot-swap events or short circuits. This ensures reliable operation and minimizes the risk of damage to connected components.
Real-Time Monitoring with High Accuracy: The LM25066 provides 12-bit resolution monitoring of voltage, current, and power with ±2.4% current measurement accuracy. This precision allows for accurate power management, optimizing system performance and energy efficiency.
Blackbox Telemetry Capture: In the event of a fault or warning, the device captures and stores telemetry data and device status. This feature aids in post-failure analysis, enabling quicker troubleshooting and improving system reliability and uptime.
PMBus™ Compliant SMBus/I²C Interface: The device integrates a PMBus-compliant interface for accurate monitoring and control of electrical parameters. This feature enables real-time data exchange with the system management host, improving system diagnostics, efficiency, and fault management.
Programmable Current Limit and Circuit Breaker Protection: With configurable current limit thresholds and circuit breaker functionality, the LM25066 protects sensitive circuitry during hot-swap events or short circuits. This ensures reliable operation and minimizes the risk of damage to connected components.
Real-Time Monitoring with High Accuracy: The LM25066 provides 12-bit resolution monitoring of voltage, current, and power with ±2.4% current measurement accuracy. This precision allows for accurate power management, optimizing system performance and energy efficiency.
Blackbox Telemetry Capture: In the event of a fault or warning, the device captures and stores telemetry data and device status. This feature aids in post-failure analysis, enabling quicker troubleshooting and improving system reliability and uptime.
Applications
Hot Swap Controller for Server Backplanes: The LM25066 is ideal for managing and protecting server blades in data center environments. Its PMBus-compliant interface allows for real-time monitoring of voltage, current, and power, ensuring safe insertion and removal of server blades from live backplanes. The configurable circuit breaker and current limiting features provide robust protection against short circuits and overcurrent conditions, making it suitable for high-reliability server applications.
Power Management in Storage Systems: The LM25066 is well-suited for use in storage systems, such as RAID arrays and network-attached storage (NAS) devices. Its ability to monitor and control input and output voltages, along with its programmable fault thresholds, ensures reliable operation and protection of sensitive storage components. The black box telemetry feature captures critical data during fault conditions, aiding in diagnostics and system optimization.
Industrial Power Distribution Systems: The LM25066 can be used in industrial power distribution systems to manage and protect power supplies for critical equipment. Its wide input voltage range (2.9 V to 17 V) and configurable undervoltage/overvoltage lockouts make it adaptable to various industrial environments. The remote temperature sensing capability allows for monitoring of external MOSFETs or other components, ensuring safe operation under varying thermal conditions.
Telecommunications Power Systems: The LM25066 is ideal for telecommunications applications, where it can be used to manage power distribution in base stations and network equipment. Its accurate power measurement and averaging capabilities, combined with real-time monitoring of voltage and current, ensure efficient power usage and protection against faults. The PMBus interface allows for easy integration into system management frameworks, enabling remote monitoring and control of power systems in telecommunications infrastructure.
Power Management in Storage Systems: The LM25066 is well-suited for use in storage systems, such as RAID arrays and network-attached storage (NAS) devices. Its ability to monitor and control input and output voltages, along with its programmable fault thresholds, ensures reliable operation and protection of sensitive storage components. The black box telemetry feature captures critical data during fault conditions, aiding in diagnostics and system optimization.
Industrial Power Distribution Systems: The LM25066 can be used in industrial power distribution systems to manage and protect power supplies for critical equipment. Its wide input voltage range (2.9 V to 17 V) and configurable undervoltage/overvoltage lockouts make it adaptable to various industrial environments. The remote temperature sensing capability allows for monitoring of external MOSFETs or other components, ensuring safe operation under varying thermal conditions.
Telecommunications Power Systems: The LM25066 is ideal for telecommunications applications, where it can be used to manage power distribution in base stations and network equipment. Its accurate power measurement and averaging capabilities, combined with real-time monitoring of voltage and current, ensure efficient power usage and protection against faults. The PMBus interface allows for easy integration into system management frameworks, enabling remote monitoring and control of power systems in telecommunications infrastructure.
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