L9945TR

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L9945TR

IC PTS SMART POWER

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
Applications Automotive
Voltage-Supply 3.8V ~ 5.5V, 4.5V ~ 36V
MountingType Surface Mount
Package/Case 64-TQFP Exposed Pad

Descripción general

Description

The term "L9945TR" likely refers to a specific electronic component or integrated circuit, often used in automotive or industrial applications. Typically, components with such designations are manufactured by companies like STMicroelectronics, which design and produce a wide range of semiconductors. The "L9945TR" could be a part number for a chip related to power management, motor control, or another specific function within an electronic system.
To understand the specifics of the L9945TR, one would typically refer to its datasheet provided by the manufacturer. This document includes detailed information about the component's electrical characteristics, pin configuration, application circuits, and recommended operating conditions. Understanding these specifications is crucial for integrating the component into a larger system, ensuring compatibility and optimal performance.
If you're dealing with a project or application involving the L9945TR, consulting the datasheet and technical resources from the manufacturer is essential. Additionally, reaching out to the manufacturer's technical support or community forums may provide further insights and aid in successful implementation.

Features

The L9945TR is an automotive power management integrated circuit often used in automotive applications. Key features include:
1. High-Side Drivers: It includes several high-side drivers designed for controlling various automotive loads such as lamps, motors, and solenoids.
2. Low-Side Drivers: The IC also provides low-side drivers, enhancing versatility in load management.
3. Programmable Current Limitations: These drivers often feature programmable current limits to protect against overcurrent conditions.
4. Diagnostic Capabilities: It includes diagnostic features to detect short circuits, open loads, and over-temperature conditions, providing feedback to the microcontroller.
5. PWM Control: The L9945TR supports PWM (Pulse Width Modulation) control for precise load management.
6. SPI Interface: It commonly features an SPI (Serial Peripheral Interface) for communication with the main control unit, allowing for configuration and monitoring.
7. Thermal Protection: Integrated thermal protection safeguards against overheating, ensuring reliable operation.
8. Sturdy Design: Designed to withstand the harsh conditions of automotive environments, including wide temperature ranges and voltage fluctuations.
These features make the L9945TR suitable for various automotive applications, offering robust performance and flexibility in controlling multiple loads.

Package

The L9945TR is a part of the L9945 series, typically available in a surface-mount package type known as PowerSSO-36. This package is designed for automotive and industrial applications, offering compactness and thermal efficiency.

Pinout

The L9945TR is an automotive integrated circuit manufactured by STMicroelectronics, designed for motor control applications. It features a 36-pin PowerSSO package. Key functions include:
1. Motor Control: The L9945TR is primarily used for driving DC motors in automotive applications.
2. H-Bridge Configuration: It integrates a full H-bridge driver for bi-directional motor control.
3. PWM Control: Supports Pulse Width Modulation (PWM) for precise motor speed control.
4. Diagnostic Features: Includes diagnostic capabilities for fault detection such as overcurrent, overtemperature, and short circuit.
5. Protection Mechanisms: Offers protection against common issues like overvoltage and undervoltage, ensuring robust motor performance.
6. Low Power Consumption: Designed to consume minimal power, making it suitable for battery-operated systems.
These features make the L9945TR versatile for use in various automotive motor control scenarios. The specific pin functions are detailed in the component's datasheet, which should be referred to for circuit design and implementation.

Manufacturer

The L9945TR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is one of the world's largest semiconductor companies and offers a wide range of products, including microcontrollers, sensors, power management devices, and more. The company serves various markets, including automotive, industrial, personal electronics, and communications. Headquartered in Geneva, Switzerland, STMicroelectronics is known for its innovation and commitment to sustainable and efficient technology solutions.

Application

The L9945TR is an automotive-grade motor driver IC used primarily in applications such as window lifters, sunroofs, seat adjusters, and power locks. It is designed to control DC motors and features integrated H-bridge functionality, diagnostic feedback, and protection mechanisms, making it suitable for various automotive and industrial automation systems requiring reliable and efficient motor control.

Equivalent

The L9945TR is an automotive door actuator driver by STMicroelectronics. Equivalent products or alternatives might include similar motor driver ICs designed for automotive applications, such as those from manufacturers like Texas Instruments, ON Semiconductor, or NXP. Specific models would depend on detailed specifications like voltage, current ratings, and features. Some potential equivalents could include Texas Instruments' DRV series or NXP's MC33926. Always compare datasheets to ensure compatibility.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

El plazo de pago es 100% prepagado.

Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria