MIC4123YML-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Driven Configuration:	Low-Side
Channel Type:	Independent
Number of Drivers:	2
Gate Type:	N-Channel, P-Channel MOSFET
Voltage - Supply:	4.5 V ~ 20 V
Logic Voltage - VIL, VIH:	0.8V, 2.4V
Current - Peak Output (Source, Sink):	3A, 3A
Input Type:	Inverting
Rise / Fall Time (Typ):	11ns, 11ns
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-VDFN Exposed Pad
Supplier Device Package:	8-DFN (4x4)
Base Part Number:	MIC4123

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Introduction

Power management integrated circuits (PMICs) are advanced semiconductor devices which are used to regulate and control power within electronic systems. PMICs feature advanced functionality including but not limited to power switching, current limiting and voltage regulation. The Gate Drivers, particularly MIC4123YML-TR, is one such PMIC. This PMIC integrates high- and low-side gate drivers, along with advanced features such as thermal shutdown protection and a 4.5V to 18V operating range. This article will discuss the application field, features and working principle of the MIC4123YML-TR Gate Driver.

Application Fields and Features

The MIC4123YML-TR Gate Driver is designed to be used in a wide range of industrial, automotive and other real-world applications. This device offers significant advantages to these applications such as an integrated power switch and low-input capacitance for fast response. Additionally, it features a wide operating voltage range from 4.5V to 18V and low on-resistance that reduces power consumption and heat output. The MIC4123YML-TR Gate Driver also includes advanced protection functions such as thermal shutdown and short circuit protection.

Working Principle

The MIC4123YML-TR Gate Driver features a high-side and low-side power switch. This power switch is responsible for regulating the flow of current in the circuit. In order for the MIC4123YML-TR Gate Driver to regulate and control power correctly, two external components are required: the load and the circuit ground. The load should be connected to the power switch\'s output terminal while the circuit ground should be connected to the power switch\'s anode terminal.When operating in systems with low-input capacitance, the power switch\'s input terminals receive a signal that turns the switch on and off. This signal is then amplified and sent to the output terminal of the switch, which turns the load on and off. Additionally, the MIC4123YML-TR Gate Driver includes an output protection feature that prevents over current conditions by automatically disabling the gate driver when the current exceeds the maximum operating limit.Additionally, the MIC4123YML-TR Gate Driver is designed to be extremely efficient, with a low quiescent current (Iq) and low on-resistance. The low on-resistance reduces power consumption and heat output as well as providing fast response times for signal amplification. Additionally, the device features integrated thermal protection. This feature monitors the temperature and disables the gate driver when the temperature reaches unsafe levels.

Conclusion

The MIC4123YML-TR Gate Driver is an advanced power management integrated circuit (PMIC) designed for a wide range of industrial, automotive and other real-world applications. It features a wide operating voltage range, low input capacitance, and low quiescent current. Additionally, it includes advanced protection features such as thermal shutdown and short circuit protection. The power switch operates by receiving an input signal that is sent to the output terminal to turn the load on and off. Additionally, the low on-resistance reduces power consumption and heat output while providing fast response times.

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