MCP2021T-500E/SN

Product Overview

Category

The MCP2021T-500E/SN belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in automotive applications, specifically in the field of LIN (Local Interconnect Network) communication.

Characteristics

• The MCP2021T-500E/SN is a low-power LIN transceiver.
• It operates at a voltage range of 3.0V to 5.5V.
• This transceiver supports data rates up to 20 kbps.
• It is designed to meet the requirements of the LIN bus physical layer specification ISO 17987-4:2016.

Package

The MCP2021T-500E/SN is available in an industry-standard SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to facilitate reliable and cost-effective communication between various electronic control units (ECUs) in automotive systems.

Packaging/Quantity

The MCP2021T-500E/SN is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 20 kbps
• ESD Protection: ±8 kV HBM (Human Body Model)
• Sleep Mode Current: 10 µA (typical)

Detailed Pin Configuration

The MCP2021T-500E/SN features a 14-pin configuration with the following pin assignments:

1. VDD - Power supply voltage
2. TXD - Transmit data input
3. RXD - Receive data output
4. WAKE - Wake-up input
5. GND - Ground
6. VREF - Reference voltage output
7. VBAT - Battery voltage input
8. LIN - LIN bus interface
9. SLP - Sleep mode control input
10. NC - Not connected
11. NC - Not connected
12. NC - Not connected
13. NC - Not connected
14. NC - Not connected

Functional Features

• LIN Bus Interface: The MCP2021T-500E/SN provides a robust interface for communication over the LIN bus, ensuring reliable data transmission between ECUs.
• Wake-Up Functionality: The WAKE pin allows the transceiver to wake up from sleep mode upon receiving a wake-up signal, enabling efficient power management.
• Sleep Mode Control: The SLP pin enables the device to enter a low-power sleep mode, reducing power consumption when not actively transmitting or receiving data.

Advantages and Disadvantages

Advantages

• Low Power Consumption: The MCP2021T-500E/SN operates at a low sleep mode current of 10 µA, making it suitable for power-sensitive automotive applications.
• Robust Communication: This transceiver offers excellent noise immunity and ESD protection, ensuring reliable communication in harsh automotive environments.
• Compact Package: The SOIC package provides a compact form factor, allowing for easy integration into space-constrained designs.

Disadvantages

• Limited Data Rate: The maximum data rate supported by the MCP2021T-500E/SN is 20 kbps, which may be insufficient for certain high-speed communication requirements.

Working Principles

The MCP2021T-500E/SN operates based on the principles of LIN communication. It utilizes a differential voltage signaling scheme to transmit and receive data over the LIN bus. The transceiver interfaces with the microcontroller or other ECUs, facilitating bidirectional communication by converting the digital signals into LIN bus-compatible signals.

Detailed Application Field Plans

The MCP2021T-500E/SN is widely used in automotive applications, including but not limited to:

1. Body Control Modules (BCMs)
2. Door Control Units
3. Seat Control Units
4. HVAC (Heating, Ventilation, and Air Conditioning) Systems
5. Lighting Control Modules
6. Steering Wheel Control Units
7. Infotainment Systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MCP2021T-500E/SN include:

1. MCP2021-330E/SN
2. MCP2021-500E/SN
3. MCP2021T-330E/SN
4. MCP2021T-LT/OT
5. MCP2021T-I/SN

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable LIN transceiver for specific application requirements.

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