LM5104MX/NOPB

Name: LM5104MX/NOPB
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Gate Drivers 2-A, 100-V half bridge gate driver with 8-V UVLO and adaptive delay 8-SOIC -40 to 125

7,318 Effective Inventory

LM5104MX/NOPB

Effective Inventory7,318

Gate Drivers 2-A, 100-V half bridge gate driver with 8-V UVLO and adaptive delay 8-SOIC -40 to 125

Manufacturer Part # : LM5104MX/NOPB
Package/Case: SOIC-8
Part Status : ACTIVE
Brand: Texas Instruments
Product Categories : Gate Drivers
Series : LM5104

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LM5104MX/NOPB DataSheet

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LM5104MX/NOPB Details

The LM5104MX/NOPB is a high-performance half-bridge gate driver from Texas Instruments, designed for driving MOSFETs and IGBTs in various power electronics applications. This driver offers fast switching speeds, low shoot-through current, and enhanced protection features, making it suitable for high-frequency and high-power applications. It is housed in an SOIC-8 package, providing compact and versatile integration options.

Pinout

1 (IN1): Input 1
2 (IN2): Input 2
3 (OUT): Output
4 (CT): Capacitor Timing
5 (GND): Ground
6 (VDD): Positive Power Supply
7 (HOA): High-Side Output A
8 (HOB): High-Side Output B

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High-Speed Switching: Enables fast switching transitions for efficient power conversion.
Low Shoot-Through Current: Reduces energy loss and improves overall system efficiency.
Enhanced Protection: Incorporates built-in protection features such as overcurrent and overtemperature protection.
Wide Operating Voltage Range: Operates from a wide voltage range, allowing flexibility in various applications.
Compact Package: Housed in an SOIC-8 package for space-saving integration in circuit designs.

Application

Motor Drives: Ideal for motor drive applications requiring high-performance gate drivers.
Power Supplies: Used in high-frequency power supply circuits for efficient power conversion.
Renewable Energy Systems: Suitable for driving power switches in renewable energy systems like solar inverters.

Where to Use

The LM5104MX/NOPB is suitable for applications that require high-performance gate drivers for MOSFETs and IGBTs. It is commonly used in motor drives, power supplies, and renewable energy systems, providing efficient and reliable power conversion.

How to Use

Connect the LM5104MX/NOPB to your circuit by wiring the input signals (IN1, IN2) according to your desired switching scheme. Ensure proper power supply connections to VDD and ground connections to GND. Use the output (OUT) to drive the high-side and low-side switches. Take into account the recommended capacitor (CT) values for optimal timing control. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LM5104MX/NOPB shows how to connect the gate driver to a half-bridge power stage. It includes connections for the input signals, power supply, and the high-side and low-side switches, ensuring proper operation and efficient power switching.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

IRS2184: A similar half-bridge gate driver from Infineon Technologies with comparable features and performance.
MAX4426: An alternative gate driver from Maxim Integrated offering similar functionality and compatibility.

Complementary

The LM5104MX/NOPB can be complemented by the LM5113MH/NOPB, which provides a complete high-voltage half-bridge gate driver solution for more demanding power electronics applications.

When selecting complementary gate drivers, ensure their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum operating voltage of the LM5104MX/NOPB?

A: The LM5104MX/NOPB can operate at voltages up to a maximum specified limit. Refer to the datasheet for detailed operating voltage ratings and limitations.

Q: Does the LM5104MX/NOPB have built-in protection features?

A: Yes, the LM5104MX/NOPB incorporates overcurrent and overtemperature protection features for enhanced reliability and system protection.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Bus voltage (max) (V)	100	Power switch	MOSFET
Input VCC (min) (V)	9	Input VCC (max) (V)	14
Peak output current (A)	2	Operating temperature range (°C)	-40 to 125
Undervoltage lockout (typ) (V)	8	Rating	Catalog
Propagation delay time (µs)	0.035	Rise time (ns)	10
Fall time (ns)	10	Iq (mA)	0.01
Input threshold	TTL	Channel input logic	TTL
Negative voltage handling at HS pin (V)	-1	Driver configuration	Dual, Single

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM5104MX/NOPB PDF Download

FAQs

What is LM5104MX/NOPB?

The LM5104MX/NOPB is a high-voltage, half-bridge gate driver IC designed by Texas Instruments. It is specifically designed for driving both the high-side and low-side N-channel power MOSFETs in high-voltage switching applications such as motor drives, power supplies, and DC-DC converters.

How Does LM5104MX/NOPB Work?

The LM5104MX/NOPB works by providing the necessary drive voltage and current to the high-side and low-side MOSFETs in a half-bridge configuration. It utilizes a bootstrap technique to provide the high-side gate drive voltage above the input supply voltage. The device features adaptive shoot-thru protection and an integrated high-side diode to ensure robust and efficient operation.

How Many Pins does LM5104MX/NOPB have and What are the Functions of the Pinout Configuration?

The LM5104MX/NOPB is housed in a 10-lead WSON (Wide small-outline no-lead) package. The pinout configuration includes:

VDD: Power supply for the high-side gate driver.
HO: High-side gate driver output.
VSS: Ground for the high-side gate driver.
LI: Low-side gate driver input.
VB: Bootstrap supply pin.
HO_B: Bootstrap node for the high-side driver.
VDD: Power supply for the low-side gate driver.
HVB: High-voltage bias supply for the bootstrap diode.
HO_B: Bootstrap node for the low-side driver.
LO_B: Low-voltage bias supply for the bootstrap diode.

What are the Pros and Cons of LM5104MX/NOPB?

Pros:

High Voltage Operation: Suitable for high-voltage applications up to several hundred volts.
Adaptive Shoot-Thru Protection: Ensures robust and safe operation of the half-bridge driver.
Bootstrap Operation: Utilizes bootstrap technique for efficient high-side gate drive voltage generation.
Integrated Bootstrap Diodes: Simplifies external components and reduces component count.

Cons:

Complexity: May require careful attention to layout and thermal management due to high-voltage operation.
External Components: Requires external components such as bootstrap capacitors and bootstrap diodes for proper operation.

Are There Any Equivalents/Alternatives to LM5104MX/NOPB for Recommendation?

Some equivalents to the LM5104MX/NOPB include the IR2104 from Infineon and the HIP2100 from Renesas. Alternatives to consider are the FAN7382 from Fairchild Semiconductor and the IRS21844S from International Rectifier.