Allicdata Part #: | HIP4081AIP-ND |
Manufacturer Part#: |
HIP4081AIP |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Intersil |
Short Description: | IC DRIVER FULL-BRIDGE 20-DIP |
More Detail: | Half-Bridge Gate Driver IC Non-Inverting 20-PDIP |
DataSheet: | HIP4081AIP Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Driven Configuration: | Half-Bridge |
Channel Type: | Independent |
Number of Drivers: | 4 |
Gate Type: | N-Channel MOSFET |
Voltage - Supply: | 9.5 V ~ 15 V |
Logic Voltage - VIL, VIH: | 1V, 2.5V |
Current - Peak Output (Source, Sink): | 2.6A, 2.4A |
Input Type: | Non-Inverting |
High Side Voltage - Max (Bootstrap): | 95V |
Rise / Fall Time (Typ): | 10ns, 10ns |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Mounting Type: | Through Hole |
Package / Case: | 20-DIP (0.300", 7.62mm) |
Supplier Device Package: | 20-PDIP |
Base Part Number: | HIP4081A |
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Power management integrated circuits (PMICs) are the backbone of many embedded systems within the electronics industry. They allow for a combination of components such as regulators, LED drivers, switches and gate drivers to provide a comprehensive power management solution. Gate drivers are generally high voltage active devices used for driving MOSFET devices. The HIP4081AIP is a member of the family of gate drivers from Intersil Corporation which provides a high voltage, high current, integrated solution to driving power MOSFET transistors. In this article, the application field and working principle of the HIP4081AIP will be discussed.
Application Field
The HIP4081AIP is designed for driving power MOSFETs used in switched-mode power conversion circuits with output voltages up to 500V. This device provides an integrated solution to driving the large area gate capacitances associated with modern power MOSFET transistors. It is ideal for switch-mode power supplies, DC/DC converters, motor inverters, relays, solenoids, loudspeakers, clamped inductors and many other power applications.
The device features a high voltage input and output range from -500V to +500V and can deliver up to 3A of gate current. It also includes a bootstrap diode for self-biasing and an active gate drive circuit for improved switching performance. The device is offered in the industry-standard SOIC-8 and DIP-8 packages, allowing for easy integration into existing systems.
Working Principle
The HIP4081AIP is a monolithic integrated circuit that provides a high-voltage, high-current solution to driving power MOSFETs. The device integrates a driver, boosting circuit and a protection circuit into one package. The protection circuit allows the driver to safely operate in overvoltage, overcurrent and overtemperature conditions.
The device is usually divided into four main sections: the input stage, the boost circuit, the drive circuit and the protection circuit. The input stage consists of a CMOS input buffer, which is used to drive the boost circuit. The boost circuit is a voltage multiplier circuit, which produces the high gate voltage necessary to drive the power MOSFETs. The drive circuit is an active driver circuitry that drives the gate of the MOSFETs, and the protection circuit provides protection against overvoltage, overcurrent and overtemperature conditions.
The device includes a dual mode active drive circuitry: the low side driver and the high side driver. The low side driver is used to turn off the MOSFETs and the high side driver is used to turn on the MOSFETs. When the gate voltage of the MOSFETs is below a certain threshold, the low side driver will trigger the high side, allowing the current to flow through the device.
The device also includes a bootstrap diode, which is used to self-bias the gate driver circuit. The bootstrap diode operates in the reverse biasing direction, which allows the gate voltage of the MOSFETs to be greater than the source voltage. This provides low gate charge, fast switching and low power loss.
The device also includes an undervoltage lockout (UVLO) feature, which will deactivate the outputs when the input voltage is too low. This ensures that the MOSFETs remain in their off state until the input voltage reaches a certain level. The device also includes thermal shutdown protection that will deactivate the outputs when the device reaches a certain operating temperature, preventing the MOSFETs from overheating.
In summary, the HIP4081AIP is a monolithic integrated circuit that provides a high voltage, high current solution to driving power MOSFETs. The device includes integrated protection and driving circuitry, as well as a bootstrap diode for self-biasing. The device is ideal for use in power applications such as DC/DC converters, solenoids, loudspeakers, motor inverters and clamped inductors. The device is available in SOIC-8 and DIP-8 packages.
The specific data is subject to PDF, and the above content is for reference
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