LM5069MM-2

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LM5069MM-2

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IC HOT SWAP CTRLR GP 10VSSOP

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #LM5069MM-2

  • パッケージ VSSOP (DGS)-10

  • 在庫状況7177

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
Type Hot Swap Controller
NumberofChannels 1
InternalSwitch(s) No
Applications General Purpose
Features Auto Retry
ProgrammableFeatures Current Limit, Fault Timeout, OVP, UVLO
Voltage-Supply 9V ~ 80V
OperatingTemperature -40°C ~ 125°C
Current-Supply 1.3 mA
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

概要

Description

The LM5069MM-2 is a part of Texas Instruments' family of hot-swap controllers, designed to protect electronic systems from inrush current during hot-plugging events. It is suitable for applications in server and telecom environments. The device manages the power-up sequence by controlling the inrush current through an external N-channel MOSFET, ensuring a smooth startup.
Key features include adjustable overcurrent protection, undervoltage lockout, and thermal shutdown, which enhance reliability. The LM5069MM-2 also supports fault management, with a fault timer to prevent damage from sustained overcurrent conditions. This variant (-2) features a latch-off mode upon detecting a fault, requiring a reset or power cycle to restart, which is ideal in scenarios where manual intervention is preferred for system checks before reset.
The LM5069MM-2 operates over a wide supply voltage range, making it versatile for various applications. Its integration of comprehensive protective features reduces the need for additional components, simplifying design and saving space on the circuit board.

Equivalent

The LM5069MM-2 is a hot-swap controller from Texas Instruments. Equivalent products from other manufacturers include:
1. MAX5944 from Maxim Integrated.
2. LTC4216 from Analog Devices.
3. TPS2420 from Texas Instruments (similar application with different features).
When choosing an equivalent, ensure that the voltage, current ratings, and features (such as overcurrent protection and UVLO) match your specific requirements. Always consult datasheets for detailed compatibility.

Features

The LM5069MM-2 is a Hot Swap controller designed to protect electronic circuits from overcurrent, overvoltage, and other potentially damaging conditions during power-up or hot-swap events. Key features include:
1. Wide Input Voltage Range: Supports 9V to 80V, accommodating various applications.
2. Current Limiting: Adjustable current limit to protect against overcurrent conditions.
3. Overvoltage/Undervoltage Protection: Guards circuits from voltage spikes and drops.
4. Programmable Timer: Sets timeout period for fault conditions, preventing prolonged stress on components.
5. Fault Management: Provides fault status output and latching/unlatching options for fault recovery.
6. Power Good Signal: Indicates stable output for system monitoring.
7. Thermal Shutdown: Protects the device from overheating.
8. Inrush Current Control: Limits current during startup to protect components.
9. Gate Control: Drives an external N-channel MOSFET for load connection.
10. Compact Package: Available in a small form-factor MSOP-10 package.
These features make the LM5069MM-2 suitable for applications requiring reliable power management and protection in industrial, computing, and telecom systems.

Pinout

The LM5069MM-2 is a Hot Swap controller IC with an 8-pin MSOP (Mini Small Outline Package). Its primary function is to manage the inrush current and protect against overcurrent, overvoltage, and undervoltage in high-side power applications. The specific pin functions are as follows:
1. VIN: Input voltage supply pin.
2. OUT: Gate drive for the external MOSFET.
3. SENSE: Current limit sense input.
4. GND: Ground connection.
5. ST: Status output, indicating fault conditions.
6. TIMER: Timer function for fault timing.
7. UVLO: Undervoltage lockout input.
8. OVLO: Overvoltage lockout input.
These pins collectively help in controlling the power supply to a load, ensuring safe and reliable operation by controlling inrush current, detecting faults, and offering protection features.

Manufacturer

The LM5069MM-2 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is well-known for its analog and embedded processing products which are used in various applications across industries like automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company has a strong reputation for innovation and is one of the largest semiconductor companies in the world.

Application

The LM5069MM-2 is a hot-swap controller commonly used in applications requiring protection and control during the insertion or removal of circuit boards in live backplanes. Its application areas include telecommunications and networking equipment, server and storage systems, and industrial power management. It ensures the safe insertion and removal of boards by controlling inrush current, providing overcurrent protection, and facilitating fault management. This device is suitable for use in systems with high availability requirements and environments where power interruption and component damage must be minimized.

Package

The LM5069MM-2 is a Hot Swap controller IC from Texas Instruments and is available in a MSOP-10 package type. MSOP stands for Mini Small Outline Package, and it typically has a lower profile and smaller footprint compared to standard SO packages.

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