MCP14E4T-E/MF

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Power Management Integrated Circuit (PMIC) has become an important and necessary active component in many kinds of device applications in recent years. PMICs include a variety of world-class capabilities such as low-dropout regulators, dc/dc and ac/dc converters, switching voltage regulators, and tracking voltage regulators designed to improve energy efficiency. Among those, PMIC Gate Drivers are capable of driving the power MOSFETs or IGBTs with high-speed switching and high level of accuracy for optimal performance and design flexibility. The MCP14E4T-E/MF is a PMIC Gate Driver that is suitable for synchronous buck/boost regulators and dc/dc converters in portable applications.

The MCP14E4T-E/MF integrates a high-side and a low-side switch gate driver, a gate driver enable pin, POK signal output, enable signal, over temperature protection (OTP), thermal protection (TPS), and diagnostic outputs (VDS, DRAIN, GATE, SENSE) all into one integrated circuit package. The driver feature provides a high impedance enable signal left floating or pulled down to enable or disable the gate driver. In addition, this device has an open source diagnostic feature that provides both voltage level and current level diagnostics. It also integrates various protection features such as thermal overload protection and over temperature protection. Thus, it provides reliable and safe operation in a compact size, making it ideal for space-constrained applications.

Working Principle: MCP14E4T-E/MF is widely used in synchronous buck/boost regulators and dc/dc converters. It has an enable pin that can turn on/off the driver when needed. When it is enabled, the gate driver is activated which drives the power MOSFETs or IGBTs by applying peak gate voltages. The MCP14E4T-E/MF also has a Power On Key (POK) output which indicates whether the power is supplied or not to the device. It has an over-temperature protection (OTP) and thermal protection (TPS) feature. The OTP monitors the junction temperature to protect against an unsafe condition by turning off the gate current when the temperature exceeds the set limit. The TPS Program compares the die temperature to the internal temperature of the MCP14E4T-E/MF. This protects the device from high operating temperature which can damage the integrated circuit (IC).

The MCP14E4T-E/MF also has a built-in loop compensation and over-voltage detection for stability, providing stable and reliable performance. When the output voltage reaches setpoint, the MCP14E4T-E/MF will stop the output and enter a pre-biased no-load mode, which reduces the power consumption. In addition, this device has an integrated diagnostic output which indicates the device conditions. It provides voltage level and current level diagnostics. The diagnostic output will reflect the insufficient input voltage and short circuits between the source and drain pins. This information can be used to detect the fault conditions and protect against false triggers of the PMIC.

Application Fields: The MCP14E4T-E/MF is widely used in many applications such as portable and battery-powered devices. It is suitable for space-constrained applications, and can provide high-speed switching and high level of accuracy. With various protection features and diagnostic outputs, this device provides reliable and safe operation. It can also be used in buck/boost power converters, dc/dc converters, and buck/boost regulators for any portable and battery-powered applications.

The MCP14E4T-E/MF is a high-performance PMIC Gate Driver that is suitable for synchronous buck/boost regulators and dc/dc converters in portable and battery-powered applications. It is capable of providing high-speed switching and high level of accuracy. Its integrated safety and protection features, diagnostic outputs, and built-in loop compensation and over-voltage protection provide reliable and safe operation. Thus, it is ideal for space-constrained and portable applications where controlling accurate voltage and current are of importance.

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