MCP14700T-E/MF Integrated Circuits (ICs)

Current - Peak Output (Source, Sink):	2A, 2A
Base Part Number:	MCP14700
Supplier Device Package:	8-DFN-EP (3x3)
Package / Case:	8-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	10ns, 10ns
High Side Voltage - Max (Bootstrap):	36V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	--
Voltage - Supply:	4.5 V ~ 5.5 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Independent
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MCP14700T-E/MF is a power management integrated circuit (PMIC) suitable for gate drivers in high-current applications. It features a maximum output current of 6.5A and can support a wide range of supply voltages ranging from 3V to 20V. This versatile IC can be used in a variety of applications, including motor control and automation, power supply peripherals, motor interface logic, and general-purpose power-switch control. Due to its unique characteristics, the MCP14700T-E/MF is perfectly suited for gate drivers in both consumer electronics and industrial applications.

Application Field

In consumer electronics, gate drivers are mainly used for the control of DC brushless motors. As the name suggests, gate drivers are responsible for controlling the opening and closing of the power semiconductor switches in the circuit. By doing so, they effectively control the direction and speed of the motor. Gate drivers are essential components of motor control systems as they provide fast and efficient switching, allowing for precise control of the motor. As such, they are commonly used in consumer electronics products such as air conditioning systems, fans, motorized windows, and automatic doors.In industrial and automotive control applications, gate drivers are primarily used for controlling the operation of inductive loads. An inductive load is an electrical load in which an induced voltage is generated when the current changes. Examples of inductive loads include solenoids, motors, and electromagnets. Gate drivers are often used to control the operation of these loads, as they offer fast switching and are designed to withstand the voltage spikes associated with inductive loads. As such, they are frequently used in industrial control systems for controlling robotic machinery, as well as in automotive fuel pumps and electric power steering systems.

Working Principle

The MCP14700T-E/MF operates by controlling the on/off state of two external power semiconductor switches, typically MOSFETs. When the input logic signal is low, the MOSFETs turn off, which disconnects the load from the power supply. When the input logic signal is high, both MOSFETs turn on at the same time and the load is connected to the power supply. The MCP14700T-E/MF also features a triple level output protection circuit, which is designed to protect against transient voltage events in the output line.In addition to its gate driver functions, the MCP14700T-E/MF also features a number of other features that make it well-suited for gate driver applications. For example, the MCP14700T-E/MF features an embedded closed loop current limit while keeping a large usable output frequency range. This helps to protect the output power devices and reduce power dissipation. It also features true low side current sensing, which helps to ensure accurate and effective current control.

Conclusion

The MCP14700T-E/MF is a high-performance PMIC suitable for gate drivers in both consumer electronics and industrial applications. It can support a wide range of supply voltages, has a maximum output current of 6.5A, and features a triple level output protection circuit. The MCP14700T-E/MF also includes several other features that make it well-suited for gate driver applications, such as embedded closed loop current limit and true low side current sensing. As such, it is an ideal solution for gate drivers in both consumer electronics and industrial control systems.

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