L9638D013TR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Automotive Communication Interface
• Characteristics: High-speed, robust communication interface for automotive applications
• Package: Surface Mount Device (SMD)
• Essence: Enables reliable and efficient communication between various automotive electronic control units
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 1 Mbps
• Interface: SPI (Serial Peripheral Interface)
• Protection Features: Overvoltage, Undervoltage, and Reverse Polarity Protection
• Diagnostic Features: Short-circuit and Open-circuit Detection
• ESD Protection: ±4 kV HBM (Human Body Model)

Detailed Pin Configuration

The L9638D013TR IC has the following pin configuration:

1. VCC: Supply Voltage
2. GND: Ground
3. CS: Chip Select
4. SCLK: Serial Clock
5. MISO: Master In Slave Out
6. MOSI: Master Out Slave In
7. WAKE: Wake-up Input
8. DIAG: Diagnostic Output
9. EN: Enable Input
10. TXD: Transmit Data
11. RXD: Receive Data

Functional Features

• High-speed serial communication interface for automotive applications
• Robust communication protocol with built-in error detection and correction mechanisms
• Supports bidirectional data transfer between electronic control units
• Low power consumption for efficient operation in automotive systems
• Built-in protection features ensure safe and reliable operation
• Diagnostic output provides information about the communication status

Advantages and Disadvantages

Advantages: - High-speed data transfer for efficient communication - Robust design ensures reliable operation in automotive environments - Built-in protection features protect against voltage fluctuations and reverse polarity - Diagnostic output helps in troubleshooting and maintenance

Disadvantages: - Limited to automotive applications, not suitable for general-purpose use - Requires knowledge of the SPI interface for proper integration

Working Principles

The L9638D013TR IC is designed to facilitate communication between various electronic control units in automotive systems. It utilizes the Serial Peripheral Interface (SPI) protocol to enable high-speed data transfer. The IC incorporates protection features such as overvoltage, undervoltage, and reverse polarity protection to ensure safe operation in automotive environments. Additionally, it includes diagnostic features that detect short-circuits and open-circuits in the communication lines.

Detailed Application Field Plans

The L9638D013TR IC finds extensive application in the automotive industry, specifically in the following areas:

1. Engine Control Units (ECUs)
2. Transmission Control Units (TCUs)
3. Body Control Modules (BCMs)
4. Anti-lock Braking Systems (ABS)
5. Airbag Control Units (ACUs)
6. Instrument Clusters
7. Infotainment Systems

Detailed and Complete Alternative Models

1. L9637D013TR: Similar automotive communication interface IC with lower data rate capability.
2. L9639D013TR: Enhanced version of L9638D013TR with additional features like LIN bus compatibility.
3. MCP2515: Standalone CAN controller IC suitable for automotive applications.
4. TJA1050: High-speed CAN transceiver IC commonly used in automotive networks.

These alternative models provide similar functionality and can be considered as substitutes for the L9638D013TR IC depending on specific requirements.

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