ATA5021

The ATA5021 is an LF driver IC designed for automotive Passive Entry/Go (PKE/PEPS) systems. It provides high performance and reliability in keyless entry systems, offering secure and convenient vehicle access.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Power supply voltage
• GND: Ground
• TX1: Transmitter coil connection 1
• TX2: Transmitter coil connection 2
• TX3: Transmitter coil connection 3
• VCORE: Core power supply
• VREG: Regulator output for external use
• INT_OUT: Interrupt signal output

Circuit Diagram

Include a circuit diagram depicting the connections and operation of the ATA5021 IC for a visual understanding.

Key Features

• LF Driver IC: Specifically designed for automotive Passive Entry/Go systems.
• Secure Access: Provides secure and convenient vehicle access through PKE/PEPS systems.
• High Performance: Ensures reliable performance in keyless entry applications.
• Versatile Connectivity: Supports multiple transmitter coil connections for flexibility in system design.
• Interrupt Output: Features an interrupt signal output for system notifications.

Note: For detailed technical specifications, please refer to the ATA5021 datasheet.

Application

• Passive Entry Systems: Ideal for integration into automotive Passive Entry/Go systems for convenient vehicle access.
• Keyless Entry Systems: Suitable for keyless entry applications in automotive security systems.
• Vehicle Security: Enhances vehicle security by providing secure access control features.

Functionality

The ATA5021 is a dedicated LF driver IC tailored for automotive PKE/PEPS systems, ensuring reliable and secure vehicle access functionalities.

Usage Guide

• Power Supply: Connect VCC (Pin 1) to the power supply voltage and GND (Pin 2) to system ground.
• Transmitter Connections: Utilize the TX1, TX2, and TX3 pins for transmitter coil connections.
• Interrupt Handling: The INT_OUT pin provides interrupt signal output for system notifications.

Frequently Asked Questions

Q: What is the purpose of the interrupt signal in the ATA5021?
A: The interrupt signal facilitates real-time notifications for system events or status changes in the PKE/PEPS system.

Q: Can the ATA5021 be used in aftermarket automotive security systems?
A: Yes, the ATA5021 is suitable for integration into aftermarket automotive security systems requiring PKE/PEPS features.