LTC7003IMSE#TRPBF

Logic Voltage - VIL, VIH:	--
Base Part Number:	LTC7003
Supplier Device Package:	16-MSOP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	90ns, 40ns
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	--
Series:	--
Voltage - Supply:	3.5 V ~ 15 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC7003IMSE#TRPBF is a power management integrated circuit (PMIC) specifically designed to drive power MOSFETs used in motor control and power conversion applications. This PMIC gate driver has the capability to deliver high peak current up to 4A, eliminating the need for separate gate driver or external power MOSFETs and transistor drivers. The LTC7003IMSE#TRPBF is a low power, low cost gate driver that minimizes system complexity and overall system costs.

Application Field

The LTC7003IMSE#TRPBF was designed for driving power MOSFETs used in power conversion and motor control applications such as automotive start-stop, fuel pumps, lighting systems, power supplies, and industrial equipment, as well as for applications with high voltage and current requirements. This device can drive N-channel or P-channel MOSFETs with a maximum operating voltage of 48V. It is designed to handle high peak currents up to 4A and can be used in voltage-mode or current-mode control modes.

Working Principles

At the heart of the LTC7003IMSE#TRPBF is a high-speed, monolithic, power MOSFET gate driver. This advanced gate driver features an adaptive slew rate limiting for different switching waveforms. It is also optimized for fast turn-on and turn-off times, thus enabling high efficiency power conversion and improved thermal performance. The adaptive slew rate feature adjusts dynamically based on the load and output waveform, thus providing optimal turn-on and turn-off times. To achieve this, the device uses digital feedback, which allows it to monitor the power supply voltage, MOSFET drain-source voltage, the output waveform, and the gate-source voltage. The LTC7003IMSE#TRPBF also features a wide operating temperature range, which allows it to operate in both extended temperature range (–40°C to 125°C) and automotive temperature range (–40°C to 150°C). This wide temperature range helps to enhance thermal performance, improve reliability, and reduce overall system costs. The LTC7003IMSE#TRPBF is designed to be immune to damage from electrical overstress from the environment and load. This immunity protects it from high voltage spikes (typically in the 500V range) for extended time periods (up to 7 seconds). The LTC7003IMSE#TRPBF also offers enhanced EMI reduction with lower conducted and radiated emissions. This improved EMI helps reduce the cost of EMI filtering and shielding. In addition, the LTC7003IMSE#TRPBF is certified for 16 different safety and quality certifications, including ISO 9001, CE, and UL/CSA.

Conclusion

The LTC7003IMSE#TRPBF is an excellent choice for power MOSFET gate driving in power conversion and motor control applications. Its adaptive slew rate feature allows the device to monitor and adjust the output waveform based on the input parameters, providing fast turn-on and turn-off times, improved EMI performance, and enhanced immunity to EOS. Additionally, the device supports a wide operating temperature range and has multiple safety and quality certifications.

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