Allicdata Part #: | MIC4128YMME-TR-ND |
Manufacturer Part#: |
MIC4128YMME-TR |
Price: | $ 0.50 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC DRIVER MOSFET 1.5A DUAL 8MSOP |
More Detail: | Low-Side Gate Driver IC Inverting, Non-Inverting 8... |
DataSheet: | MIC4128YMME-TR Datasheet/PDF |
Quantity: | 1000 |
2500 +: | $ 0.46072 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Driven Configuration: | Low-Side |
Channel Type: | Independent |
Number of Drivers: | 2 |
Gate Type: | N-Channel MOSFET |
Voltage - Supply: | 4.5 V ~ 20 V |
Logic Voltage - VIL, VIH: | 0.8V, 2.4V |
Current - Peak Output (Source, Sink): | 1.5A, 1.5A |
Input Type: | Inverting, Non-Inverting |
Rise / Fall Time (Typ): | 20ns, 18ns |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad |
Supplier Device Package: | 8-MSOP-EP |
Base Part Number: | MIC4128 |
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Power management integrated circuits (PMICs) play an essential role in many electronic devices today. PMICs provide a range of functions for energy storage, management and conversion, and also provide efficient heat management. As a key ingredient in many devices, it’s no surprise that PMICs have become technological building blocks for the development of new and upcoming products. Among the types of PMIC available, gate drivers specialize in controlling the behavior of transistors in electronic circuits. The MIC4128YMME-TR device is one such type of driver, commonly used in a range of applications and equipped with unique capabilities.
Application Field of the MIC4128YMME-TR
The MIC4128YMME-TR is an 8A, low-side MOSFET driver device built on a monolithic silicon die. It is designed to be used in a wide variety of medium- and high-current applications including home appliance controls, industrial motor control systems, HVAC systems, and similar devices. These types of applications require devices that can switch power quickly, efficiently, and accurately. This is where the MIC4128YMME-TR excels. The MIC4128YMME-TR can switch between states at a rate of 6.4V/us, enabling it to quickly and accurately control the gate of a power MOSFET. As a result, it enables precise and optimal control of the power switching performance.
MIC4128YMME-TR Working Principle
The MIC4128YMME-TR driver is based on Buck topology. Buck topology is a type of power conversion circuit used to efficiently reduce a higher input voltage to a lower output voltage. In order for the Buck circuit to function, the driver device must provide a way to control the switching of the Buck’s MOSFET. The MIC4128YMME-TR provides this control by using its integrated control circuit to drive the MOSFET’s gate voltage. This control circuit comprises a comparator circuit, an under-voltage lockout circuit, a current limit circuit, and a temperature limit circuit.
When the input voltage exceeds the reference voltage set by the comparator, the ULO circuit activates the gate voltage to the MOSFET, allowing current to flow. The current limit circuit provides over-current protection by limiting the current through the MOSFET to the predetermined level. The temperature limit circuit adds extra protection, activating the gate voltage to the MOSFET should the temperature reach a certain threshold. This ensures that the device does not overheat, preserving its performance and longevity.
Conclusion
The MIC4128YMME-TR is a low-side MOSFET driver device capable of providing efficient power conversion in many medium- and high-current applications. Its integrated control circuit allows it to be used in a variety of power switching applications, making it a popular choice for many engineers. With its fast switching speed, high current limit, and temperature protection capabilities, the MIC4128YMME-TR is an excellent choice for many applications that require reliable power conversion.
The specific data is subject to PDF, and the above content is for reference
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