LV8402V-TLM-E

Product Overview

Category

LV8402V-TLM-E belongs to the category of integrated circuits (ICs).

Use

It is primarily used as a motor driver for automotive applications.

Characteristics

• LV8402V-TLM-E is a high-performance, low-voltage motor driver IC.
• It is designed to drive DC motors with a voltage range of 4.5V to 16V.
• The IC can handle a maximum current of 1.5A.
• It offers various protection features such as overcurrent protection and thermal shutdown.

Package

LV8402V-TLM-E is available in a small surface-mount package.

Essence

The essence of LV8402V-TLM-E lies in its ability to efficiently control and drive DC motors in automotive systems.

Packaging/Quantity

The IC is typically packaged in reels and comes in quantities of 3000 units per reel.

Specifications

• Operating Voltage Range: 4.5V to 16V
• Maximum Output Current: 1.5A
• Number of Channels: 1
• Control Interface: PWM
• Protection Features: Overcurrent protection, Thermal shutdown

Detailed Pin Configuration

The LV8402V-TLM-E IC has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. IN - Input pin for PWM control signal
4. OUT - Motor output pin
5. FG - Motor speed feedback output
6. CS - Current sense pin for overcurrent protection
7. EN - Enable pin for motor driver operation
8. VREF - Reference voltage for internal circuitry

Functional Features

• Efficient motor control through PWM input signal
• Built-in overcurrent protection ensures safe operation
• Thermal shutdown feature prevents damage due to excessive heat
• Motor speed feedback output for closed-loop control

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various automotive systems
• High-performance motor driver with a maximum current of 1.5A
• Integrated protection features enhance reliability and safety
• Compact surface-mount package enables space-saving designs

Disadvantages

• Limited to driving DC motors within the specified voltage and current range
• Single-channel configuration may not be suitable for applications requiring multiple motor control

Working Principles

LV8402V-TLM-E operates by receiving a PWM control signal through the IN pin. This input signal determines the speed and direction of the connected DC motor. The IC amplifies and drives the motor through the OUT pin, while monitoring the motor's speed using the FG pin. In case of overcurrent or excessive heat, the IC activates the corresponding protection features to ensure safe operation.

Detailed Application Field Plans

LV8402V-TLM-E finds extensive application in the automotive industry, specifically in systems that require precise motor control. Some of the common application fields include:

1. Electric power steering systems
2. HVAC (Heating, Ventilation, and Air Conditioning) systems
3. Automotive seat adjustment mechanisms
4. Window lift and sunroof control systems
5. Mirror adjustment mechanisms

Detailed and Complete Alternative Models

1. LV8402V-TLM-H: Similar to LV8402V-TLM-E but with extended operating temperature range (-40°C to 125°C).
2. LV8403G-MPB-E: Dual-channel motor driver IC with similar specifications and features.
3. LV8406T-TLM-E: Higher current capacity (up to 3A) single-channel motor driver IC.

These alternative models provide options with different specifications and capabilities, allowing designers to choose the most suitable motor driver for their specific application requirements.

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