LM5100AM

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LM5100AM

+BOM

IC GATE DRVR HALF-BRIDGE 8SOIC

  • Nhà sản xuấtTexas Dụng cụ

  • Ông. Phần #LM5100AM

  • Gói SOIC-Narrow-8

  • Có sẵn7755

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tube
ProductStatus Obsolete
DrivenConfiguration Half-Bridge
ChannelType Independent
NumberofDrivers 2
GateType N-Channel MOSFET
Voltage-Supply 9V ~ 14V
LogicVoltage-VILVIH 2.3V, -
Current-PeakOutput(SourceSink) 3A, 3A
InputType Non-Inverting
HighSideVoltage-Max(Bootstrap) 118 V
Rise/FallTime(Typ) 430ns, 260ns
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The LM5100AM is a high-voltage gate driver integrated circuit designed by Texas Instruments. It is primarily used to drive N-channel MOSFETs or IGBTs in high-side and low-side configurations, making it suitable for applications like motor drives, DC-DC converters, and synchronous rectification. The device operates with a supply voltage up to 100V and provides efficient gate driving capabilities, minimizing switching losses and improving overall system efficiency.
Key features of the LM5100AM include a bootstrap diode that facilitates high-side driving, under-voltage lockout for both high and low-side drivers, and a wide temperature operating range. It also boasts a fast switching speed, which reduces transition losses and electromagnetic interference in power applications.
The LM5100AM is housed in a compact package, making it suitable for space-constrained designs. Its robustness and reliability make it a popular choice among engineers for high-performance power management and conversion tasks.

Equivalent

The LM5100AM is a high-voltage half-bridge gate driver. Equivalent products may include the IR2110 from Infineon Technologies, FAN7390 from ON Semiconductor, and MIC4606 from Microchip Technology. These alternatives offer similar functionalities for driving MOSFETs and IGBTs in half-bridge configurations. It is important to review the datasheets of these alternatives to ensure compatibility with your specific application requirements.

Features

The LM5100AM is a high-performance half-bridge gate driver designed for driving N-channel MOSFETs in a half-bridge configuration. Key features include:
1. Wide Operating Voltage Range: The device supports a wide input voltage range, typically from 10V to 100V, making it versatile for various applications.
2. High-Side and Low-Side Drivers: It provides both high-side and low-side drivers, ensuring efficient operation for both transistors in the half-bridge.
3. Bootstrap Circuitry: Integrated bootstrap diode simplifies the design and reduces the component count, supporting high-side driver operation.
4. Low Propagation Delay: Fast propagation delay ensures rapid switching and enhances the performance of the power stage.
5. Level Shifting: Built-in level shifters enable communication between low-voltage control logic and high-voltage power stages.
6. Under-Voltage Lockout (UVLO): UVLO protection for both high-side and low-side drivers enhances reliability by preventing operation when supply voltages are below safe thresholds.
7. Thermal Shutdown Protection: Protects the device from overheating by shutting down the drivers if the temperature exceeds safe limits.
These features make the LM5100AM suitable for applications like motor drives, DC-DC converters, and other power electronics requiring efficient half-bridge configurations.

Pinout

The LM5100AM is a high-voltage, high-speed half-bridge gate driver from Texas Instruments. It is typically used in power management applications to drive MOSFETs or IGBTs. The LM5100AM is available in an 8-pin SOIC package. Here is a brief description of its pin functions:
1. HB (High-Side Bootstrap) - Supplies power to the high-side driver.
2. HO (High-Side Output) - Drives the gate of the high-side MOSFET.
3. HS (High-Side Source) - Connects to the source of the high-side MOSFET and the negative terminal of the bootstrap capacitor.
4. HI (High-Side Input) - Receives input signal for the high-side driver.
5. VDD (Supply Voltage) - Supplies power to the low-side driver and logic circuitry.
6. LI (Low-Side Input) - Receives input signal for the low-side driver.
7. LO (Low-Side Output) - Drives the gate of the low-side MOSFET.
8. VSS (Ground) - Connects to the ground reference for the IC.
The LM5100AM enables efficient power stage design with its ability to drive high-side and low-side MOSFETs effectively.

Manufacturer

The LM5100AM is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is a global leader in the development of analog chips and embedded processors, which are used in a wide range of electronic devices. Founded in 1930 and headquartered in Dallas, Texas, TI is well-known for its innovation in the electronics industry, providing components to many sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The LM5100AM is a high-voltage gate driver designed for driving N-channel MOSFETs in a half-bridge configuration. Its primary application areas include:
1. DC-DC Converters: Used in synchronous buck, boost, and buck-boost converters for improved efficiency.
2. Motor Drives: Facilitates efficient motor control and speed regulation in various motor drive applications.
3. Power Supply Units: Enhances switching performance in power supply circuits, especially in high-power applications.
4. Class D Audio Amplifiers: Enables efficient switching for high-fidelity audio output.
5. Telecommunications Equipment: Used in the power management circuits of telecom infrastructure for reliable performance.
These applications benefit from the LM5100AM’s ability to handle high voltage and fast switching speeds efficiently.

Package

The LM5100AM is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is common for integrated circuits and provides a balance of size and ease of handling for applications requiring a driver in a compact form factor.

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