MIC2587R-2YM Allicdata Electronics

MIC2587R-2YM Integrated Circuits (ICs)

Allicdata Part #:

1611-MIC2587R-2YM-ND

Manufacturer Part#:

MIC2587R-2YM

Price: $ 1.30
Product Category:

Integrated Circuits (ICs)

Manufacturer: Microchip Technology
Short Description: IC CTRLR HOT SWAP POS HV 8-SOIC
More Detail: Hot Swap Controller 1 Channel General Purpose 8-SO...
DataSheet: MIC2587R-2YM datasheetMIC2587R-2YM Datasheet/PDF
Quantity: 13
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: $ 1.17810
Stock 13Can Ship Immediately
$ 1.3
Specifications
Series: --
Packaging: Tube 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Hot Swap Controller
Number of Channels: 1
Internal Switch(s): No
Applications: General Purpose
Features: Auto Retry
Programmable Features: Current Limit, Fault Timeout, Slew Rate, UVLO
Voltage - Supply: 10 V ~ 80 V
Current - Output (Max): --
Operating Temperature: -40°C ~ 85°C
Current - Supply: 2mA
Mounting Type: Surface Mount
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 8-SOIC
Feature Pins: FB, ON, /PWRGD, TIMER
Description

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Introduction

The MIC2587R-2YM is a hot-swap controller designed for efficient and reliable control of on-board power supplies. Hot-swap controllers are used in power supply systems to minimize supply circuit risk during the transition process when the supply is recycled or changed.

Application Field

The MIC2587R-2YM​ controller is used for a variety of applications including computer systems, consumer electronics, automotive systems, and industrial equipment. Because it allows supply circuit protection during the transition process when the supply source is recycled or changed, the controller is also widely used in computer networks, telecommunications, and other systems to minimize circuit risks. High current requirements that commonly require large components can also be implemented successfully with the MIC2587R-2YM.

Features & Benefits

The MIC2587R-2YM provides high-performance features and benefits such as an ultraviolet-LED low-voltage/high-current detection circuit, a low user-charge-current phase-start feature, an adjustable current limit, and an adjustable switching frequency of up to 1.2MHz. Furthermore, the device has a high current rating at up to 5A.

Working Principle

The MIC2587R-2YM controller is designed to provide efficient and reliable control of on-board power supplies. The controller features a high-frequency synchronous step-down converter that provides fast transient response and excellent line/load regulation. It has an integrated power on/off control block that provides a low level current limit by monitoring the supply voltage. The high-frequency converter is pre-biased and allows for high converter efficiency because it does not require a heavy duty cycle operation.

The controller also includes an adjustable soft start/soft stop circuit. It contains an integrated programmable dead-time control (DT=0-7.75µs), allowing the designer to adjust the power MOSFET dead-time to minimize conduction losses due to body diode recovery time. The MIC2587R-2YM also includes an adjustable soft start or soft stop condition. This feature allows the supply to be pre-conditioned or shutdown safely, in order to reduce output ripple and inrush current.

The MIC2587R-2YM includes two user-programmable functions for controlling the power-on and power-off sequences. The first function is an Ultraviolet LED low-voltage/high-current detection circuit, which monitors the supply voltage when the supply is below the pre-set UVLO level. If this voltage is detected, the internal gate drive is disabled, and the device will stay off until the input voltage rises again. The second function is a low user-charge-current phase-start feature, which can be adjusted to provide a slow start up response.

Finally, the MIC2587R-2YM is designed with a programmable current limit threshold and an adjustable switching frequency up to 1.2MHz, allowing the user to tailor the hot swap controller to their specific application.

Conclusion

The MIC2587R-2YM hot-swap controller provides efficient, reliable control of on-board power supplies, allowing for board space saving, improved efficiency and better line/load regulation. Its adjustable soft start/soft stop circuit minimizes output ripple, and its high-frequency synchronous step-down converter maximizes power system efficiency. Finally, this device has an adjustable current limit and switching frequency, allowing users to tailor the controller to their specific application requirements.

The specific data is subject to PDF, and the above content is for reference

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