MIC2595-1YM-TR

Programmable Features:	Current Limit, Fault Timeout, UVLO
Base Part Number:	MIC2595
Feature Pins:	CFILTER, CNLD, DRAIN, PGTIMER, OFF, ON, PWRGD1, PWRGD2, PWRGD3
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Current - Supply:	4mA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	--
Voltage - Supply:	-80 V ~ -19 V
Series:	--
Features:	Latched Fault
Applications:	-48V
Internal Switch(s):	No
Number of Channels:	1
Type:	Hot Swap Controller, Sequencer
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Power Management Integrated Circuit (PMIC) is a critical component in a wide variety of fields such as automotive, industrial, and consumer electronics. These ICs can provide precise voltage regulation and control through their internal components. Hot Swap Controllers (HSC) are a type of PMICs that are used to enable the safe and reliable insertion and removal of devices in an operating system. MIC2595-1YM-TR is one such HSC specifically manufactured by ON Semiconductor. This article will discuss the application field and working principle of the MIC2595-1YM-TR.

Overview of MIC2595-1YM-TR

The MIC2595-1YM-TR is an integrated hot swap controller IC which is specifically designed for use in 24V systems. It delivers precise and reliable power supply over-current and over-temperature protection in a very compact package. The IC contains an analog error amplifier, two hexadecimal (HEX) N-Channel MOSFET drivers, a temperature sensor, and an 8-bit microcontroller unit (MCU). It has an operating voltage of 9V to 34V and a low supply current of less than 20µA. The MIC2595-1YM-TR also has an integrated watchdog timer that can trigger diagnostic alarm events if the controller does not receive a start signal. Additionally, it is equipped with a number of protection features such as undervoltage lockout (UVLO), overtemperature shutdown (OTS), and over-voltage protection (OVP).

Application Field of MIC2595-1YM-TR

The MIC2595-1YM-TR is suitable for applications in 24V systems where power supply over-current and over-temperature protection are required. It is suitable for applications such as mobile devices, instrumentation, medical electronic equipment, and other systems requiring hot plug operations.

Automotive

The MIC2595-1YM-TR is ideal for use in automotive applications where high levels of performance are required. It offers high-potential protection for low-power systems and allows for the safe and reliable insertion and removal of loads. The IC also provides reliable overvoltage protection, which helps reduce the risk of damage due to higher power supplies. Additionally, the IC has a low quiescent current for longer periods of operation, making it ideal for use in applications with extended idle periods.

Robotics and Industrial Automation

The MIC2595-1YM-TR is a suitable option for use in robotics and industrial automation applications. The embedded 8-bit microcontroller allows for real-time control of the load current and overvoltage protection. This helps to minimize the risk of damage that results from overvoltage. Additionally, the HSC features an integrated overtemperature shutdown (OTS) which helps protect the system in case of possible overheating.

Consumer Electronics

The MIC2595-1YM-TR is suitable for use in consumer electronic applications as it provides precise and reliable power supply over-current and over-temperature protection. Additionally, the IC has a low quiescent current for extended operation time, making it ideal for use in applications requiring long periods of idle operation. The integrated watchdog timer can also be utilized to trigger diagnostic alarm events if the controller does not receive a start signal.

Working Principle of MIC2595-1YM-TR

The MIC2595-1YM-TR works by monitoring the voltage of the circuit and providing precise and reliable over-current and over-temperature protection. The internal operating temperature is monitored through the temperature sensor in the IC. If the operating temperature exceeds the pre-set threshold, the OTS will be triggered, causing the device to shut down. The HSC also monitors the circuit voltage and limits the current if the voltage exceeds its set limit. The limit is set by the user and is typically determined by the power requirement of the application. The IC then has two hexadecimal (HEX) N-Channel MOSFET drivers which are used for the actual load current control. The HSC also provides an output that can be used to indicate a fault condition such as an over-temperature or over-voltage event. In order to ensure reliable operation of the MIC2595-1YM-TR, the IC is equipped with an integrated watchdog timer. This timer is set to a pre-defined time period which, if not met, will trigger a diagnostic alarm signal. This signal can then be used to take appropriate corrective action.

Conclusion

In conclusion, the MIC2595-1YM-TR is an ideal choice for hot swap applications in 24V systems. It provides precise and reliable power supply over-current and over-temperature protection in a very compact package. The IC also has an integrated watchdog timer that can trigger diagnostic alarm events if the controller does not receive a start signal. The IC is suitable for use in a variety of fields such as automotive, industrial and consumer electronics.

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