NCP3420DR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Level Translator

Characteristics: - Bidirectional voltage level translation - Low power consumption - High-speed operation - Wide operating voltage range - Small package size

Package: SOT-23-6

Essence: The NCP3420DR2G is a voltage level translator IC that allows bidirectional translation between two different voltage levels. It is commonly used in electronic circuits where interfacing between devices with different voltage levels is required.

Packaging/Quantity: The NCP3420DR2G is available in a SOT-23-6 package and is typically sold in reels of 3000 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Voltage Levels: 1.8V, 2.5V, 3.3V, and 5V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The NCP3420DR2G has a total of six pins arranged as follows:

____ VCCA| |VCCB A1 | |B1 A2 | |B2 GND |____|EN

• VCCA: Power supply for side A
• VCCB: Power supply for side B
• A1, A2: Input/output pins for side A
• B1, B2: Input/output pins for side B
• GND: Ground pin
• EN: Enable pin for controlling the translation direction

Functional Features

• Bidirectional voltage level translation: The NCP3420DR2G can translate signals from one voltage level to another in both directions.
• Automatic direction control: The enable pin (EN) allows the IC to automatically determine the translation direction based on the input signal levels.
• High-speed operation: The IC supports data rates up to 100 Mbps, making it suitable for applications requiring fast signal transmission.
• Wide operating voltage range: It can handle voltage levels from 1.65V to 5.5V, providing flexibility in various circuit designs.
• Low power consumption: The NCP3420DR2G is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Bidirectional translation simplifies circuit design - Automatic direction control eliminates the need for additional control signals - High-speed operation enables fast data transfer - Wide operating voltage range provides compatibility with different systems - Small package size saves board space

Disadvantages: - Limited to voltage level translation and does not provide other functionalities - May not be suitable for applications requiring very high data rates

Working Principles

The NCP3420DR2G uses a combination of MOSFETs and level-shifting circuits to achieve bidirectional voltage level translation. The enable pin (EN) controls the direction of translation based on the input signal levels. When the EN pin is high, the translation is from side A to side B, and when it is low, the translation is from side B to side A.

Detailed Application Field Plans

The NCP3420DR2G is widely used in various electronic systems that require voltage level translation between different devices. Some common application fields include:

1. Microcontrollers and Peripherals: It is used to interface microcontrollers with peripherals operating at different voltage levels, such as sensors, displays, and memory modules.
2. Communication Systems: The IC facilitates voltage level translation between different communication interfaces, such as UART, SPI, and I2C, enabling seamless communication between devices with different voltage requirements.
3. Battery-Powered Devices: It is employed in portable electronic devices, where efficient voltage level translation is crucial to optimize power consumption and extend battery life.

Detailed and Complete Alternative Models

1. TXB0108PWR: This IC offers similar bidirectional voltage level translation capabilities and comes in a TSSOP-20 package.
2. SN74LVC4245APW: It provides eight channels of bidirectional voltage level translation and is available in a TSSOP-24 package.
3. PCA9306DCUR: This IC is specifically designed for I2C bus voltage level translation and comes in a SOT-23-6 package.

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

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