Overview
The LM25066APSQE/NOPB is a high-performance hot-swap controller produced by Texas Instruments, designed for precise measurement, protection, and control of electrical operating conditions in computing and storage blades connected to backplane power buses. This model integrates a PMBus™-compatible SMBus/I2C interface, making it suitable for advanced power management applications. It is particularly targeted at server and network line card applications, offering robust protection and monitoring capabilities for sensitive circuits.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.9V ~ 17V | V | |
| Supply Current | 5.8 | mA | |
| Operating Temperature | -40°C ~ 85°C | °C | |
| Package | 24-WQFN (4x5) | Surface Mount | |
| Current Limit | 45 | mA | |
| Power Fail Detection | Yes |
Key Features
- Integrates a PMBus™-compatible SMBus/I2C interface for advanced communication and control.
- Provides current and power limiting to protect sensitive circuits during hot-swap events.
- Includes a fast-acting circuit breaker to prevent damage during output short circuits.
- Configurable input under-voltage, over-voltage, hysteresis, insertion delay, and fault detection times.
- Monitors external MOSFET or other temperature-sensitive components via an external diode.
Applications
The LM25066APSQE/NOPB is widely used in server and network line card applications, where reliable power management and protection are critical. It ensures safe hot-swapping of components in data centers and telecommunications infrastructure, providing precise monitoring and control of electrical parameters to maintain system integrity and performance.
Q & A
What is the operating voltage range of the LM25066APSQE/NOPB?
The operating voltage range is from 2.9V to 17V.
What is the purpose of the PMBus™ interface in this device?
The PMBus™ interface allows for advanced communication and control, enabling precise monitoring and management of power parameters.
How does the LM25066APSQE/NOPB protect against short circuits?
It includes a fast-acting circuit breaker that prevents damage during output short circuits.
Can the input voltage thresholds be configured?
Yes, the input under-voltage and over-voltage thresholds are configurable.
What is the typical supply current of this device?
The typical supply current is 5.8mA.
What type of package does the LM25066APSQE/NOPB come in?
It comes in a 24-WQFN (4x5) surface mount package.
Is this device suitable for high-temperature environments?
Yes, it operates reliably in temperatures ranging from -40°C to 85°C.
What is the role of the external diode in this device?
The external diode is used to monitor the temperature of external MOSFETs or other temperature-sensitive components.
Can the insertion delay time be configured?
Yes, the insertion delay time is configurable to suit specific application requirements.
What industries commonly use the LM25066APSQE/NOPB?
It is commonly used in data centers, telecommunications, and other industries requiring robust power management solutions.
