LTC4211IMS

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LTC4211IMS

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IC CONTROLLER HOT SWAP 10-MSOP

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仕様

属性
Part Status Obsolete
Base Product Number LTC4211
Type Hot Swap Controller
Number of Channels 1
Internal Switch(s) No
Applications General Purpose
Programmable Features Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault, OVP, UVLO
Voltage - Supply 2.5V ~ 16.5V
Operating Temperature -40°C ~ 85°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

概要

Description

The LTC4211IMS is an integrated hot swap controller designed to protect electronic circuits from inrush current during power-up. It enables safe insertion and removal of circuit boards in live backplanes by controlling the power applied to the load. The device is commonly used in telecom, network, and server applications where reliable power management is crucial.
Key features of the LTC4211IMS include:
1. Inrush Current Limiting: It controls the rate of voltage rise across the load, preventing excessive current that can damage components.
2. Overcurrent Protection: Provides protection by disconnecting the load if it experiences a sustained overcurrent condition.
3. Fault Detection: Monitors for faults and can signal a fault condition to the system, allowing for corrective actions.
4. Undervoltage and Overvoltage Lockout: Ensures that the device operates only when the supply voltage is within a specified range, enhancing safety and reliability.
5. Compact Package: Available in a small MSOP package, making it suitable for space-constrained applications.
Overall, the LTC4211IMS is an effective solution for managing power surges and enhancing system reliability.

Equivalent

The LTC4211IMS is a hot-swap controller designed for 1.7V to 16.5V systems. Equivalent products include:
1. TPS2420 from Texas Instruments
2. ADM1177 from Analog Devices
3. MAX5933 from Maxim Integrated
4. MIC2593 from Microchip Technology
These alternatives offer similar functionalities, such as current limiting, load protection, and fault indication. However, always check specific datasheets for compatibility in your application.

Features

The LTC4211IMS is a Hot Swap controller designed for managing power in circuit applications. Key features include:
1. Wide Input Voltage Range: It supports a range from 2.7V to 16.5V, making it versatile for various applications.

2. Fault Protection: The device provides overcurrent and short-circuit protection, ensuring safe operation by controlling the inrush current and protecting against faults.
3. Programmable Current Limit and Timer: It allows users to set the desired current limit and time duration for fault conditions, enabling customization for specific applications.
4. Soft Start: This feature prevents high inrush current during power-up by gradually ramping up the output voltage.
5. Automatic Retry or Latch-off: The controller can be configured to either automatically retry powering up after a fault or latch off until manually reset.
6. Power Good Output: It includes an indicator for monitoring the power status, enabling easy integration into system-level monitoring.
7. Compact Package: The LTC4211IMS is offered in a compact MSOP package, allowing for space-efficient designs.
These features make the LTC4211IMS ideal for applications that require reliable power management and protection in compact form factors.

Pinout

The LTC4211IMS is a Hot Swap controller designed for use in high-availability systems to allow for safe board insertion and removal from a live backplane. It typically comes in an MSOP-10 package, which means it has a 10-pin configuration.
Here are the functions associated with its pins:
1. VDD: Power supply voltage input.
2. SENSE+: Connects to the positive side of the sense resistor to monitor current.
3. SENSE-: Connects to the negative side of the sense resistor.
4. GATE: Drives the gate of an external N-channel MOSFET.
5. SOURCE: Connects to the source of the external N-channel MOSFET.
6. TIMER: Sets the timing for fault detection and retry.
7. FAULT: An open-drain output that signals a fault condition.
8. FB (Feedback): Monitors the output voltage.
9. OVERCURRENT: Programs the overcurrent threshold.
10. SHDN (Shutdown): Allows the user to enable or disable the device.
These pins collectively allow the LTC4211IMS to manage current inrush, protect against overcurrent conditions, and ensure safe operation during hot-swapping events.

Manufacturer

The LTC4211IMS is manufactured by Analog Devices, Inc. This company is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965, Analog Devices serves a wide range of industries, including industrial, automotive, communications, consumer, and healthcare sectors. The company is known for its high-performance products that enable efficient and reliable signal processing, data conversion, and power management, among other applications.

Application

The LTC4211IMS is a Hot Swap controller used in applications where electronic circuits need to be inserted or removed from a live backplane without disrupting system operation. Key application areas include telecommunications and networking systems, industrial control systems, and server or data storage systems. It protects against overcurrent and short-circuit conditions, ensuring safe power management and enhanced reliability in complex electronic systems. The device is suitable for managing power in systems with multiple cards or modules and aids in controlled start-up, fault isolation, and power sequencing.

Package

The LTC4211IMS is housed in an MSOP (Mini Small Outline Package) package. Specifically, it is an 8-lead MSOP package, which is a surface-mount package commonly used for integrated circuits to provide a compact design while maintaining efficient thermal performance.

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