Overview
The LM5060MM/NOPB is a high-performance hot swap controller IC designed by Texas Instruments. This component is tailored for power management applications, particularly in scenarios requiring safe insertion and removal of boards from live backplanes. It provides intelligent control of a high-side N-channel MOSFET, ensuring controlled inrush current during power-up and protecting the system from overcurrent conditions.
The LM5060MM/NOPB is notable for its wide operating voltage range, adjustable current limiting, and comprehensive fault reporting capabilities. It is widely used in various industries due to its robust functionality and reliability.
Key Specifications
| Specification | Description |
|---|---|
| Operating Voltage Range | 2.9 V to 80 V |
| Maximum Load Current | Up to 10 A |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 10-pin MSOP |
| Quiescent Current in Disabled Mode | Less than 15 µA |
| Adjustable Undervoltage Lockout (UVLO) | With hysteresis |
| Adjustable Overvoltage Protection (OVP) | Programmable |
| Power Good Output | Active low open drain |
| Fault Detection Delay Time | Programmable with external capacitor |
Key Features
- Wide Operating Voltage Range: Operates from 2.9 V to 80 V, making it suitable for various applications.
- Adjustable Current Limit: Allows customization of current protection levels.
- Integrated Power MOSFET: Provides overcurrent and short-circuit protection.
- Programmable Fault Timer: Allows customization of fault reporting timing.
- Power Good Indicator: Signals when the output voltage is stable.
- Soft Start Function: Prevents excessive inrush current during startup.
- Functional Safety Capable: Documentation available to aid functional safety system design.
- Controlled Output Rise Time: For safe connection of capacitive loads.
- Charge Pump Gate Driver: For external N-channel MOSFET.
Applications
- Telecommunications: Hot swapping power supplies and protecting sensitive circuitry from inrush currents and overloads.
- Networking Systems: Controlled power-up and power-down sequences for various modules and line cards.
- Server Applications: Hot swapping redundant power supplies to minimize downtime in case of a fault.
- Data Storage Systems: Protecting hard drives and storage arrays from sudden power surges.
- Industrial Control: Safe insertion and removal of power sources, safeguarding sensitive equipment.
- Automotive Body Electronics: Power distribution and control in automotive systems.
- Industrial Power Distribution and Control: Managing power in industrial settings.
Q & A
- What is the main purpose of the LM5060MM/NOPB?
The LM5060MM/NOPB is designed to allow safe insertion and removal of boards from live backplanes, providing controlled inrush current and overcurrent protection.
- What is the operating voltage range of the LM5060MM/NOPB?
The operating voltage range is from 2.9 V to 80 V.
- What types of applications is the LM5060MM/NOPB commonly used in?
It is commonly used in telecommunications, networking systems, server applications, data storage systems, and industrial control.
- How does the LM5060MM/NOPB protect against overcurrent conditions?
It provides adjustable current limiting and overcurrent protection through its integrated power MOSFET and programmable fault timer.
- What is the significance of the Power Good output in the LM5060MM/NOPB?
The Power Good output indicates when the output voltage is stable and within regulation.
- Can the LM5060MM/NOPB be used in high-voltage applications?
Yes, it is designed to operate in a wide voltage range, making it suitable for high-voltage applications.
- How does the LM5060MM/NOPB ensure safe power management during hot swap scenarios?
It includes features such as adjustable current limit, fault reporting, and soft start function to protect the system from inrush currents and overloads.
- What is the package type of the LM5060MM/NOPB?
The LM5060MM/NOPB is available in a 10-pin MSOP package.
- Is the LM5060MM/NOPB functional safety capable?
Yes, it is functional safety capable, with documentation available to aid in functional safety system design.
- How is the fault detection delay time programmed in the LM5060MM/NOPB?
The fault detection delay time is programmed using an external capacitor connected to the TIMER pin.
