MCP14E4T-E/SNVAO

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active

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MCP14E4T-E/SNVAO — PMIC - Gate Drivers Application Field and Working Principle

Power management integrated circuits, otherwise known as PMICs, are semiconductor devices used to control and monitor electrical systems, such as cell phones and laptops. PMICs natively control and supply power to integrated circuit chips and monitor power consumption levels and optimize electrical energy. Because of their advanced feature set, PMICs are in use in various products, from consumer devices to industrial applications. Due to the versatility of PMICs, manufacturers have developed various types of PMICs for different types of applications.One type of PMICs is found in gate drivers circuits. Gate drivers are used to control-gate voltages in various applications, such as gate-controlled switches and transistors. For this type of device to work, proper control of the gate-voltage is necessary. MCP14E4T-E/SNVAO is a power management integrated circuit (PMIC) designed specifically as a gate driver.

MCP14E4T-E/SNVAO Application Field

The MCP14E4T-E/SNVAO is a MOSFET gate driver with built-in programmable features, such as current limitation and dead time insertion. This PMIC is used in many applications where precision control of gate voltages is required. These applications include motor control, industrial automation, power conversion, robotics, solar inverters and LED lighting. MCP14E4T-E/SNVAO is designed for use with single-ended, bipolar and half-bridge gate driver circuits.

Working Principle of MCP14E4T-E/SNVAO

The MCP14E4T-E/SNVAO is a high-speed MOSFET gate driver utilizing integrated current limiting, over-temperature protection, and adjustable dead time insertion. It offers outputs up to 20 A sourced and 5 A sunk per channel and the switching speed is up to 188 V/ns, making it suitable for high-speed motor control applications.The gate driver uses an external reference voltage, typically 0.1V, to accurately sense the current flowing through the output MOSFET. The current-sense resistor needs to be connected close to the gate-source pin in order to effectively sense and generate an accurate signal. The MCP14E4T-E/SNVAO also features an adjustable pulse-width modulation (PWM) frequency, adjustable dead time, and adjustable current limit.This PMIC also features an over-temperature protection circuit that shuts down the IC when the junction temperature exceeds a certain temperature. This circuit is designed to ensure safe operation, minimize power dissipation and reduce component stress.

Conclusion

MCP14E4T-E/SNVAO is a power management Integrated Circuit (PMIC) designed specifically as a gate driver that provides precise control of the gate voltage to various applications. It offers high speed and current outputs, adjustable dead time and current limit settings, and over-temperature protection to ensure safe and reliable operation. This integrated circuit is an ideal solution for all types of motor control and industrial automation applications, as well as solar inverters and LED lighting systems.

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