MIC4478YM-T5

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Driven Configuration:	Low-Side
Channel Type:	Independent
Number of Drivers:	2
Gate Type:	N-Channel MOSFET
Voltage - Supply:	4.5 V ~ 32 V
Logic Voltage - VIL, VIH:	0.8V, 2.4V
Current - Peak Output (Source, Sink):	2.5A, 2.5A
Input Type:	Non-Inverting
Rise / Fall Time (Typ):	120ns, 45ns
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MIC4478

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Introduction

The MIC4478YM-T5 is a market-leading power management integrated circuit (PMIC) that is designed and manufactured by Microchip Technology Inc. It has been designed for use in a variety of applications, including but not limited to automotive and industrial applications. This PMIC has a Gate driver with one-shots that can provide precise edge timing and total isolation from the load. It is a key component for advanced automotive power management, including LED lighting and LED displays, that can deliver sustained high-intensity light throughout its lifetime. The MIC4478YM-T5 gate driver offers a variety of different features and functions, making it an excellent choice for a variety of applications. In this article, we will take a look at some of the applications and working principles of the MIC4478YM-T5 PMIC.

Applications

The MIC4478YM-T5 PMIC’s gate driver has varied and useful applications. It is used in automotive lighting and display components, including LED lighting, Laser lighting, and high-intensity discharge (HID) lighting. The power control IC can also be used in a variety of other automotive applications, such as body electronics, data communication modules, and motor control.The power control IC is also widely used in industrial applications, such as paint drying ovens, metal cutting and welding equipment, and laser cutting and welding machines. It is also suitable for use in other applications such as home-appliance control, communication equipment, and security systems.

Working Principle

The MIC4478YM-T5 PMIC’s gate driver consists of one-shots that can provide accurate, edge-centric timing control for a variety of different signals, including light dimming and off-time protection. The power-control IC is designed to switch power efficiently offering low resistance values and low loss when controlling high-current loads. The MIC4478YM-T5 PMIC also features a high-voltage range of up to 60 V and a maximum output current of 12 A. The PMIC’s pulse width modulation (PWM) input provides accurate and precise control of the output voltage and current and can be used to precisely control the output brightness of LEDs, as well as the speed of HID lighting fixtures. The MIC4478YM-T5 PMIC also offers a wide range of protection features, including over-voltage protection, open-drain output protection, and over-current protection. The PMIC also has short circuit detection and thermal shutdown protection.

Conclusion

The MIC4478YM-T5 PMIC is designed and manufactured by Microchip Technology Inc. It is a one-shot gate driver that is designed for use in a variety of different applications, including automotive and industrial applications. The power control IC offers varied and useful features, including low on-resistance and high voltage capability, accurate edge timing control, short circuit protection and thermal shutdown protection. Overall, the MIC4478YM-T5 PMIC is an excellent choice for a variety of applications and is widely used in the automotive, industrial and home appliance industries.

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