TC4467MJD

Logic Voltage - VIL, VIH:	0.8V, 2.4V
Base Part Number:	TC4467
Supplier Device Package:	14-CERDIP
Package / Case:	14-CDIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	15ns, 15ns
Input Type:	Inverting
Current - Peak Output (Source, Sink):	1.2A, 1.2A
Series:	--
Voltage - Supply:	4.5 V ~ 18 V
Gate Type:	N-Channel, P-Channel MOSFET
Number of Drivers:	4
Channel Type:	Independent
Driven Configuration:	Low-Side
Part Status:	Obsolete
Packaging:	Tube

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TC4467MJD Application Field and Working Principle

The TC4467MJD is a Straight Gate Driver that is specially designed to be used in motor drive applications, particularly of those which have Pre-Emphasis Requirements. It is an integrated Full Bridge Gate Driver which has been designed and developed by Microchip Technology Inc. It has an output current of up to 3A with a wide input voltage range of 4.5V to 30V. It also provides protection with an active shoot-through prevention feature, which will disconnect the semiconductors if a shoot-through condition is detected.

General Description

The TC4467MJD is a bidirectional, low-side and high-side Full Bridge Gate Driver. It is specifically designed to drive high power BSOT (Bipolar Silicon carbide Thyristors) and IGBTs (Insulated Gate Bipolar Transistor) that are used in manual motor drive applications that require Pre-Emphasis. Its integrated low voltage (< 4.5V) logic circuitry provides for easy interfacing with lower-voltage logic microcontrollers. It has an output current of up to 3A and its wide input voltage range (4.5V to 30V) makes it suitable for a wide range of applications. It also provides protection with an active shoot-through prevention feature, which will disconnect the semiconductors in case a shoot-through condition is detected.

Features

• Integrated full-bridge gate driver • Output current up to 3A • Wide input voltage range of 4.5V to 30V • Active shoot-through prevention • Logic compatibility down to 4.5V • Fault indicator output

Applications

The TC4467MJD is ideally suited for use in automotive motor drive applications that require pre-emphasis. It can be used in many applications such as power window and power seat motors, HVAC (Heating, Ventilation and Air Conditioning) motors and power door locks.

Working Principle

The TC4467MJD works by providing a high and low side output for driving power switches that are connected in a full bridge configuration. The low side output of the TC4467MJD is responsible for driving the low side power switch, while the high side output drives the high side power switch. The TC4467MJD provides pre-emphasis for motors which require it for synchronization with the high speed pulse width modulated (PWM) signals. The Pre-Emphasis feature helps to reduce the EMI emissions, improve the efficiency of the motor drive system, and provide higher reliability. The TC4467MJD also features an active shoot-through prevention feature which protects the motor drive system by disconnecting the semiconductors which are connected in a bridge configuration, in case a shoot-through condition is detected. This ensures the safety and reliability of the system by preventing any possible damage or over heating. The TC4467MJD also features a fault indicator output which provides an indication of any detected fault in the motor drive system. This indication can be used to alert the user to take corrective action as soon as possible.

Conclusion

The TC4467MJD is perfect for use in automotive motor drive applications that require pre-emphasis. Its various features make it ideal for high power applications and help to reduce any risk of damage or over heating. The fault indicator output also provides an easy way for the user to detect any problems. The TC4467MJD is an ideal solution for motor drive applications that require pre-emphasis.

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