LTC7004EMSE#PBF

Current - Peak Output (Source, Sink):	--
Base Part Number:	LTC7004
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	90ns, 40ns
High Side Voltage - Max (Bootstrap):	80V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	--
Voltage - Supply:	60V (Max)
Gate Type:	N-Channel MOSFET
Number of Drivers:	1
Channel Type:	Single
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tube

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Introduction

The LTC7004EMSE#PBF is a gate driver, a type of power managementin device that enables the efficient operation of high-current switches, such as those found in brushless DC motors, and other power switches. Gate drivers reduce the amount of current and voltage needed to switch and thus reduce power loss and improve efficiency. This particular device is designed to be used in medium-voltage and high-current applications, up to a maximum of 1200V.

Pin Configuration

The LTC7004EMSE#PBF has a 14-pin surface-mount package configuration. Each pin is identified by a name and a number. The pins are arranged in a symmetrical, inverted U shape, and each pin provides a specific functionality. The pins are labeled along the top, with pins 7 and 8 standing apart from the others and labeled “GATE”. The remaining pins are arranged in four groups of three, labeled “EN1”, “EN2”, “VCC”, and “VGT”.

Features and Applications

This particular device has several useful features. It is designed with peak-current capability of up to 25A and low-current consumption of just 3.2mW. It also has an integrated charge pump and pull-down resistors on the EN1 and EN2 pins, helping to reduce board space. Additionally, this device is capable of providing sophisticated turn-off timing control. There is also the option to add an external resistor to further adjust the turn-off timing.Given its features and specifications, the LTC7004EMSE#PBF is ideal for a variety of applications. It is most commonly used in medium to high-voltage brushless DC motor control, but it is also used in other power switches. Some applications include motor control for air conditioners, refrigerators, washing machines, power tools, and other appliances.

Working Principle

At its most basic, the LTC7004EMSE#PBF is a switch which controls the flow of current. It does this by regulating the voltage and current between two different points. Voltage and current are regulated by the EN1 and EN2 pins. When voltage is applied to both pins, the device is switched on and current is allowed to flow. Conversely, when the voltage is removed from both pins, the device is switched off and current is no longer allowed to flow.The voltage and current control of the device is aided by two other pins, VCC and VGT. The VCC pin applies an internal bias voltage, whereas the VGT pin regulates the turn-off timing of the gate. These two pins are used to control the timing and flow of current, allowing for a more efficient power system design.

Conclusion

The LTC7004EMSE#PBF is a powerful and versatile gate driver designed specifically for medium- and high-voltage applications. It can handle peak currents of up to 25A, while consuming a minimal amount of power. Moreover, the device allows for sophisticated turn-off timing control, enabling more efficient system designs. It is an ideal solution for high-current applications, such as motor control for appliances, refrigerators, and other power switches.

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