ATA6821-TUQY

Product Overview

Category: Integrated Circuit (IC)

Use: ATA6821-TUQY is a versatile IC primarily used for automotive applications. It serves as a high-voltage system basis chip (SBC) with LIN transceiver, providing various functionalities for automotive electronic control units (ECUs).

Characteristics: - High integration level - Low power consumption - Robust communication capabilities - Wide operating voltage range - Enhanced ESD protection - Compact package size

Package: ATA6821-TUQY is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into automotive ECUs.

Essence: The essence of ATA6821-TUQY lies in its ability to provide a reliable and efficient solution for automotive communication networks, specifically LIN bus systems.

Packaging/Quantity: ATA6821-TUQY is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

The following are the key specifications of ATA6821-TUQY:

• Supply Voltage Range: 5.0V - 27.0V
• Operating Temperature Range: -40°C to +125°C
• LIN Transceiver:
  • Baud Rate: Up to 20 kbps
  • LIN Protocol Version: 2.1 and 2.2
• GPIO Pins: 8
• Current Consumption:
  • Sleep Mode: <10 µA
  • Normal Operation: <100 mA

Detailed Pin Configuration

The pin configuration of ATA6821-TUQY is as follows:

```

| Pin | Function |

| 1 | VBAT | | 2 | GND | | 3 | LIN | | 4 | K | | 5 | L | | 6 | WAKE | | 7 | EN |

| 8 | VCC |

```

Functional Features

1. LIN Transceiver: ATA6821-TUQY integrates a LIN transceiver, enabling seamless communication with other LIN bus devices.
2. GPIO Pins: The IC provides 8 general-purpose input/output (GPIO) pins, allowing flexible interfacing with external components.
3. Sleep Mode: ATA6821-TUQY offers a low-power sleep mode, reducing power consumption during idle periods.
4. Enhanced ESD Protection: The IC incorporates enhanced electrostatic discharge (ESD) protection, ensuring robustness against transient voltage spikes.
5. Wide Operating Voltage Range: With a wide operating voltage range of 5.0V to 27.0V, the IC can accommodate various automotive electrical systems.

Advantages and Disadvantages

Advantages: - High integration level reduces component count and PCB space requirements. - Low power consumption contributes to energy efficiency in automotive applications. - Robust communication capabilities ensure reliable data transfer. - Wide operating voltage range allows compatibility with different vehicle systems.

Disadvantages: - Limited baud rate compared to some other communication protocols. - Restricted to LIN bus applications, limiting its use in non-LIN-based systems.

Working Principles

ATA6821-TUQY operates based on the principles of the Local Interconnect Network (LIN) protocol. It facilitates communication between automotive ECUs by transmitting and receiving data over the LIN bus. The IC acts as a LIN transceiver, converting digital signals into LIN bus-compatible signals and vice versa. It also provides necessary control and monitoring functions for the connected ECUs.

Detailed Application Field Plans

ATA6821-TUQY finds extensive application in various automotive systems, including but not limited to: - Body control modules - Door control units - Seat control units - Lighting control modules - HVAC (Heating, Ventilation, and Air Conditioning) systems - Powertrain control modules

Its integration capabilities and robust communication make it suitable for any automotive system requiring LIN bus connectivity.

Detailed and Complete Alternative Models

While ATA6821-TUQY is a reliable choice for LIN bus applications, there are alternative ICs available with similar functionalities. Some notable alternatives include:

1. TJA1028: LIN transceiver with enhanced ESD protection and low power consumption.
2. MCP2003B: LIN transceiver with integrated voltage regulator and sleep mode functionality.
3. TLIN1029-Q1: Automotive-grade LIN transceiver with high-speed mode support and enhanced diagnostics.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option based on their specific requirements.

Word count: 623 words