LTC4211CMS

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LTC4211CMS

+物料清單

IC CONTROLLER HOT SWAP 10-MSOP

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規格

屬性 價值
Part Status Discontinued at DigiKey
Base Product Number LTC4211
Type Hot Swap Controller
Number of Channels 1
Internal Switch(s) No
Applications General Purpose
Features UVLO
Programmable Features Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault, OVP
Voltage - Supply 2.5V ~ 16.5V
Operating Temperature 0°C ~ 70°C
Current - Supply 1 mA
Mounting Type Surface Mount
Package 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package 10-MSOP
Packaging Tube

概述

Description

The LTC4211CMS is a hot-swap controller designed by Linear Technology (now part of Analog Devices) for managing power supply connections in electronic systems. It allows for the safe insertion and removal of circuit boards in live backplanes by controlling the inrush current to the board, thereby preventing damage due to sudden power surges.
Key features of the LTC4211CMS include:
1. Inrush Current Limiting: It manages inrush current by controlling an external N-channel MOSFET, ensuring smooth power-up.

2. Overcurrent Protection: The device offers protection against overcurrents by monitoring and responding to current limits.

3. Fault Management: It features fault detection and can latch off or retry after a fault event, enhancing system reliability.

4. Operating Range: The LTC4211CMS supports a wide operating voltage range, making it versatile for various applications.
5. Compact Package: It is available in a compact MSOP package, suitable for space-constrained designs.
Overall, the LTC4211CMS is ideal for applications requiring reliable power management in systems needing hot-swap capability, such as servers, telecom, and networking equipment.

Equivalent

The LTC4211CMS is a hot swap controller used to manage power in electronic systems. Equivalent products include the Texas Instruments TPS2390/91, Maxim Integrated MAX4271, and ON Semiconductor's NCP4303. These alternatives offer similar functionalities but may have different specifications, so it's essential to compare parameters like input voltage range, current limit, and package type to ensure compatibility with your application. Always verify the specific requirements of your application to select the most suitable replacement.

Features

The LTC4211CMS is a Hot Swap controller designed to enable a board to safely connect to a live backplane by controlling the inrush current and providing overcurrent protection. Its key features include:
1. Inrush Current Limiting: It controls the power-up sequence by limiting the inrush current, preventing damage to components.
2. Overcurrent Protection: The device quickly responds to overcurrent conditions by turning off the pass transistor, ensuring system protection.
3. Programmable Circuit Breaker: Users can set a specific current threshold for the circuit breaker functionality, providing customizable protection levels.
4. Undervoltage and Overvoltage Protection: It includes mechanisms to detect and react to both undervoltage and overvoltage conditions, enhancing reliability.
5. Fault Timer: A built-in fault timer prevents premature shutdown during brief overcurrent spikes, allowing time for transient conditions to settle.
6. Power Good Output: The device features a power good output signal to indicate when the load is fully operational.
7. Compact Package: The LTC4211CMS is available in a compact MSOP package, suitable for space-constrained applications.
These features make it ideal for use in systems requiring reliable hot-swapping capabilities, such as telecommunications and server applications.

Pinout

The LTC4211CMS is a Hot Swap controller designed to allow a circuit board to be safely inserted and removed from a live backplane. It is typically used for managing the power on and off sequencing of electronic boards to prevent damage from inrush currents.
The LTC4211 comes in an MSOP-10 package, meaning it has 10 pins. Key functions of the LTC4211 include:
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. SENSE+ (Pin 3): Positive current sense input.
4. SENSE- (Pin 4): Negative current sense input.
5. TIMER (Pin 5): Timing capacitor pin for setting the timing of fault detection.
6. GATE (Pin 6): Controls the gate of an external N-channel MOSFET.
7. FAULT (Pin 7): Open-drain output that indicates a fault condition.
8. OVERCURRENT (Pin 8): Connects to set the overcurrent limit.
9. ON (Pin 9): Logic input to enable or disable the device.
10. PWRGD (Pin 10): Power good status output.
This configuration provides the necessary control and protection features for hot-swapping applications.

Manufacturer

The LTC4211CMS is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides products and solutions for a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its focus on innovation and delivering products that improve efficiency and performance in electronic systems.

Application

The LTC4211CMS is a hot swap controller designed for use in applications that require safe insertion and removal of circuit boards in live backplanes. Its primary application areas include telecommunications equipment, data storage systems, server systems, network routers, and other high-availability systems. It helps protect circuits from transients and overcurrent conditions by controlling the power supply voltage and current during hot swapping. This ensures reliable performance and minimizes downtime in critical infrastructure environments where equipment needs to be maintained or upgraded without shutting down the system.

Package

The LTC4211CMS is housed in a 10-lead MSOP (Mini Small Outline Package). This type of package is compact and suitable for surface mounting, making it ideal for applications where space is a constraint.

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