MCP2021T-330E/SN

Product Overview

Category

The MCP2021T-330E/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-330E/SN is a low-power LIN transceiver.
• It operates at a voltage range of 3.0V to 5.5V.
• This transceiver is designed to meet the requirements of the LIN bus specifications 1.3, 2.0, and 2.1.

Package

The MCP2021T-330E/SN is available in an SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to facilitate reliable and efficient communication between various electronic modules within an automotive system.

Packaging/Quantity

The MCP2021T-330E/SN is typically packaged in reels, with each reel containing a specific quantity of transceivers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

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

Detailed Pin Configuration

The MCP2021T-330E/SN has a total of 8 pins, which are as follows:

1. VBAT: Battery supply voltage input
2. TXD: LIN bus transmitter data output
3. RXD: LIN bus receiver data input
4. GND: Ground reference
5. WAKE: Wake-up signal input
6. VREF: Reference voltage output
7. SLP: Sleep mode control input
8. VSUP: Voltage supply input

Functional Features

• LIN Bus Transceiver: The MCP2021T-330E/SN acts as a transceiver, allowing bidirectional communication on the LIN bus.
• Wake-Up Functionality: It supports wake-up functionality, enabling the device to be activated from a low-power sleep mode.
• ESD Protection: The transceiver provides electrostatic discharge (ESD) protection, safeguarding the device against potential damage.

Advantages and Disadvantages

Advantages

• Low Power Consumption: The MCP2021T-330E/SN operates at a low sleep mode current of 10 µA, making it energy-efficient.
• Wide Operating Voltage Range: It can operate within a wide voltage range of 3.0V to 5.5V, providing flexibility in various automotive applications.
• ESD Protection: The built-in ESD protection ensures the device's reliability and durability.

Disadvantages

• Limited Data Rate: The maximum data rate supported by this transceiver is 20 kbps, which may not be suitable for high-speed communication requirements.

Working Principles

The MCP2021T-330E/SN works based on the LIN protocol, which is a serial communication protocol used in automotive networks. It facilitates communication between different electronic modules within a vehicle, such as sensors, actuators, and control units. The transceiver enables the transmission and reception of data over the LIN bus, allowing these modules to exchange information and perform coordinated actions.

Detailed Application Field Plans

The MCP2021T-330E/SN finds extensive application in the automotive industry, particularly in the following areas:

1. Body Control Modules: It is used in body control modules to enable communication between various components responsible for functions like lighting, door locks, and window controls.
2. Climate Control Systems: The transceiver facilitates communication between climate control modules, allowing for seamless integration and control of heating, ventilation, and air conditioning systems.
3. Infotainment Systems: It enables communication between infotainment modules, enabling features such as audio playback, navigation, and connectivity options.

Detailed and Complete Alternative Models

1. MCP2021-330E/SN: This is a similar LIN transceiver from the same manufacturer, Microchip Technology Inc., with comparable specifications and pin configuration.
2. TJA1020T/CM,118: A LIN transceiver from NXP Semiconductors, offering similar functionality and characteristics.
3. SN65HVD1040-Q1: An automotive-grade LIN transceiver from Texas Instruments, designed for robust communication in harsh environments.

These alternative models can be considered based on specific application requirements and availability.

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