LM5101AMX

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IC GATE DRVR HALF-BRIDGE 8SOIC

  • FabricanteTexas Instruments

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Especificações

Atributo Valor
Part Status Obsolete
DigiKey Programmable Not Verified
Driven Configuration Half-Bridge
Channel Type Independent
Number of Drivers 2
Gate Type MOSFET (N-Channel)
Voltage - Supply 9V ~ 14V
Logic Voltage - VIL, VIH 2.3V, -
Current - Peak Output (Source, Sink) 3A, 3A
Input Type Non-Inverting
High Side Voltage - Max (Bootstrap) 118 V
Rise / Fall Time (Typ) 430ns, 260ns
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number LM5101

Visão Geral

Description

The LM5101AMX is a high-performance, dual-channel gate driver IC designed for driving N-channel MOSFETs and IGBTs in various power applications. It features a high voltage capability, with a wide supply range, making it suitable for use in isolated power converters, motor drives, and other high-frequency switching applications. The LM5101AMX provides fast rise and fall times, ensuring efficient switching and minimal power loss.
Key features include a low-side and high-side gate driver, enable and fault protection functions, and robust integrated bootstrap circuitry for driving high-side transistors. It also supports a wide range of input voltages and offers adjustable dead-time control, which is crucial for preventing shoot-through in half-bridge configurations. The device is packaged in a compact and thermally efficient format, which enhances its usability in space-constrained applications.
Overall, the LM5101AMX is ideal for engineers looking for a reliable and efficient solution for driving power stages in demanding environments.

Equivalent

The LM5101AMX is typically equivalent to the following products:
1. LM5101A
2. LM5101
3. LM5101B
4. MIC4427
5. MIC4426
Always verify compatibility in terms of specifications, voltage ratings, and switching capabilities before substitution.

Features

The LM5101AMX is a high-performance, dual-channel gate driver designed for driving MOSFETs and IGBTs in various applications, including power converters and motor drives. Key features include:
1. High Current Drive: Capable of sourcing and sinking up to 2A, ensuring fast switching speeds.
2. Low Propagation Delay: Offers minimal delay times for enhanced switching performance.
3. Wide Supply Voltage Range: Operates from 4.5V to 15V, accommodating multiple power supply configurations.
4. Bootstrap Capability: Integrated bootstrap circuitry enables driving high-side switches effectively.
5. Under-voltage Lockout (UVLO): Protects against low supply voltage conditions, ensuring reliable operation.
6. Thermal Shutdown: Provides protection against overheating.
7. TTL/CMOS Compatible Inputs: Accepts standard logic levels for easy interfacing.
8. Small Package Size: Available in a compact surface-mount package, optimizing PCB space.
These features make the LM5101AMX suitable for a variety of high-efficiency power applications.

Pinout

The LM5101AMX is a high-speed, low-side gate driver designed for driving N-channel MOSFETs in half-bridge and full-bridge applications. It features a total of 8 pins.
Pin functions are as follows:
1. VDD: Supply voltage for the driver.
2. GND: Ground reference.
3. HO: High-side output to drive the gate of the high-side MOSFET.
4. LO: Low-side output to drive the gate of the low-side MOSFET.
5. HS: High-side source connection to monitor the voltage at the high-side MOSFET.
6. COM: Common connection for the low-side driver and ground.
7. CS: Current sense input for monitoring gate drive current.
8. RT: Resistor for setting the internal timing (optional).
The LM5101AMX is suitable for applications requiring fast switching and efficient drive capabilities in power conversion systems.

Manufacturer

The LM5101AMX is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits. The company is recognized for its innovations in analog and embedded processing technologies, serving a wide range of industries, including automotive, communications, computing, and consumer electronics.
Founded in 1930, Texas Instruments has a long history of developing advanced electronic components, including operational amplifiers, microcontrollers, and digital signal processors. The LM5101AMX specifically is a high-speed gate driver designed for driving power MOSFETs and IGBTs in various applications, including power management and motor control.
TI is not only a significant player in the semiconductor industry but also invests heavily in research and development to drive technological advancements. The company operates globally, supplying products that enable the development of smart and efficient electronic systems.

Application

The LM5101AMX is a high-speed, dual gate driver primarily used in power electronics applications. Its application areas include:
1. Switching Power Supplies: Enhances the efficiency and performance of converters.
2. Motor Drives: Drives MOSFETs or IGBTs in industrial motor control systems.
3. DC-DC Converters: Facilitates high-frequency operation in buck or boost converters.
4. Class D Audio Amplifiers: Supports efficient switching for audio power stages.
5. Uninterruptible Power Supplies (UPS): Provides robust control for power management.
Overall, it is utilized in various applications requiring precise control of high-speed switches.

Package

The LM5101AMX is packaged in a 10-pin VSSOP (Very Thin Shrink Small Outline Package). This compact package type is designed for applications requiring efficient space utilization while providing thermal performance and electrical connectivity.

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