MIC94355-MYCS-TR

Current - Output:	500mA
Base Part Number:	MIC94355
Supplier Device Package:	6-WLCSP (0.84x1.32)
Package / Case:	6-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	85dB ~ 50dB (100Hz ~ 5MHz)
Current - Quiescent (Iq):	250µA
Series:	Ripple Blocker™
Voltage Dropout (Max):	0.2V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	3.6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

MIC94355-MYCS-TR is a single channel low side, power MOSFET driver device that is suitable for driving inductive loads. It provides a precise voltage control for the devices and supports a wide range of voltages from 0.95V to 1.24V. The device includes the features of adjustable output current programmable slew rate, and a built-in protection from over-temperature and reverse connection. Due to its features, the device is widely used in various fields, such as industrial and automotive.

Application Field

The MIC94355-MYCS-TR is dedicated for driving inductive loads such as solenoids, relays and motors. It is also suitable for applications such as industrial, automotive and medical sectors. It is designed to meet the most stringent demand of the respective fields and they are cost-effective. The device is rated to be able to handle up to 20A of continuous current under a specific voltage. It can be used as a driver in high side or low side switch, half bridge circuit or full bridge circuits. The device comes with a few built-in features that make it easy to use and also ensures better performance in different applications.

Working Principle

The MIC94355-MYCS-TR is a power MOSFET driver device. Its main function is to drive an inductive load. It has an adjustable output current programmable slew rate and a host of features built in to make it more robust and easier to use. The device is capable of driving up to 20A of continuous current, which makes it ideal for use in industrial, automotive and medical applications. When power is applied to the device, the MOSFET driver circuit charges the gate of the MOSFET to a level that is suitable for the load, similar to the voltage of the source. Once the load is connected and the input voltage is stable, the MOSFET will start to conduct current. The current passing through the MOSFET is divided into two components, the drain current and the gate voltage. The MOSFET driver circuit then works to regulate these two components to ensure that the MOSFET operates in its optimal state. It performs this function by continuously monitoring the drain current and the gate voltage so that it can quickly adjust the potential when they are not in the optimal state. If the drain current exceeds the preset limit, the device will reduce it to the level that is safe for the load. Similarly, if the gate voltage is too high, the device will reduce the voltage to a level that is safe for the load.

Summary

The MIC94355-MYCS-TR is a power MOSFET driver device for driving inductive loads. It is designed with adjustable output current and programmable slew rate which makes it suitable for various industrial, automotive and medical applications. It is rated to deliver up to 20A of current and its built-in features ensure better performance and higher reliability. It works by regulating the drain current and gate voltage of a MOSFET to ensure that it operates in its optimal state and also prevents damage from too high of a voltage or current.

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