MIC5016YN

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PMIC - Gate Drivers are integrated circuits (ICs) that provide a high current drive capability to operate and control the power switches. They are commonly used in modern power management applications such as motor control, appliance control, HVAC systems, solar inverters and power supplies. The MIC5016YN is a high-performance a gate driver IC providing a precise current and voltage control to power devices.

Overview of MIC5016YN

The MIC5016YN is a single-channel high-speed, high-current gate driver IC designed for driving power MOSFETs and IGBTs. It features a compact and space-saving SOT23-5 package and low on-resistance RDS(ON) of typical 0.45Ω. It integrates an over-voltage protection circuit, over-current protection circuit, latch-off current limit protection circuit and fault diagnosis circuit.

FUNCTIONS AND FEATURES

The MIC5016YN provides the following important functions and features:

• High Speed: With a 1.2 ns propagation delay time, it can drive the fast IGBTs up to 250 kHz for various motor control applications.
• Excellent Over-Voltage Lockout (OVLO) Protection: This protection circuit prevents damage from over-voltage when the system operates on unexpected voltage or the device is shut off due to open load condition.
• Output Over-Current Protection: This protection circuit prevents damage to the MOSFET or IGBT if it is overloaded.
• Latch Off Protection: This feature allows the device to be shut off immediately upon detecting a power fault or overload condition. This feature helps protect the system and maintain system operation in case of overload or power failure.
• Fault Diagnosis: The MIC5016YN can detect a variety of fault conditions and provide a diagnostic output signal.

APPLICATION FIELD OF MIC5016YN

The MIC5016YN is widely used in motor control, various power switching applications such as power supplies, DC-DC converters, inverters, automotive applications, and servo motor control.

WORKING PRINCIPLE OF MIC5016YN

The MIC5016YN is composed of a main power switch and various built-in protection circuits for controlling the power switching devices. The power switch is driven by the input voltage and a driver circuit. The input voltage is conditioned by a level shifter and a slew rate limiter, while the driver circuit is composed of a low-side and a high-side driver.

The low-side driver outputs the gate drive voltage on the low side of the power switch while the high-side driver output the gate drive voltage on the high side of the power switch. With these two signals, the power switch is turned on and off, controlling the ON/OFF state of the power supply.

SUMMARY

The MIC5016YN is a single-channel, high-speed, high-current gate driver IC designed for driving power MOSFETs and IGBTs. It features high-speed performance and low on-resistance characteristics and provides various protection functions such as over-voltage protection, over-current protection, latch-off current limit protection, and fault diagnosis for various power management applications. This gate driver IC is widely used in motor control, power switching applications, DC-DC converters, inverters, automotive applications, and servo motor control.

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