LTC3901EGN#TRPBF

Logic Voltage - VIL, VIH:	--
Base Part Number:	LTC3901
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Rise / Fall Time (Typ):	15ns, 15ns
Input Type:	Inverting, Non-Inverting
Current - Peak Output (Source, Sink):	2A, 2A
Series:	--
Voltage - Supply:	4.5 V ~ 11 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Low-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC3901EGN#TRPBF is a PMIC - Gate Driver from Linear Technology, specifically designed for automotive applications. This device is designed for a wide range of applications; from solar to lighting and from industrial to automotive applications. The device is generally specified for automotive use, as it is designed for robust and secure operation in vehicles. It has a wide operating temperature range of 0°C to +110°C, ensuring reliable performance in all conditions. Furthermore, the device is RoHS compliant and can withstand up to 65V of operating voltage, making it well-suited for automotive applications.

Application and Working Principle

The LTC3901EGN#TRPBF is a PMIC – Gate Driver primarily used to control power switches and logic devices. This can be done by providing a logic level output to the gate of the device. The device operates on the principle of pulse width modulation, allowing for precise and efficient control of current in the switch. The device features an adjustable current limit, allowing for the control of currents from 30mA to 2A, depending on the application. This is also useful for reducing power consumption and improving system efficiency. The device also features a low off-state input leakage current, which is typically less than 1uA, ensuring low power consumption and improved system efficiency. Furthermore, the device also features an integrated shoot-through protection circuit that prevents the device from being damaged due to shoot through current when the gate voltage is low. The device features integrated protection against reverse power and polarity protection, as well as auto-restart and fault protection. The device also features an adjustable soft start time, which provides improved reliability in applications such as motor control, to prevent over-current/high-rate of change of current at start up, as well as reducing motor torque during start up. All these features ensure the safety and robustness of the device in automotive applications.

Conclusion

The LTC3901EGN#TRPBF is a high-performance PMIC – Gate driver specifically designed for automotive applications. It features adjustable current limits, low leakage currents, shoot-through protection, protection against reverse power, polarity protection, auto-restart and fault protection and adjustable soft start times. This makes the device well-suited for controlling power switches and logic devices for efficient and safe operation in vehicles.

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