NCV8402AMNWT1G

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High voltage capability - Low quiescent current - Overtemperature protection - Short-circuit protection - Under-voltage lockout - Overvoltage protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The NCV8402AMNWT1G is a power management IC designed for various applications that require high voltage capability and low quiescent current.

Packaging/Quantity: The NCV8402AMNWT1G is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current: Up to 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Dimensions: 3mm x 3mm x 0.75mm

Detailed Pin Configuration

The NCV8402AMNWT1G has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | VOUT | Output Voltage | | 4 | EN | Enable Pin | | 5 | FB | Feedback Pin | | 6 | SS | Soft-Start Pin | | 7 | PG | Power Good Pin | | 8 | VCC | Supply Voltage |

Functional Features

1. High Voltage Capability: The NCV8402AMNWT1G can handle input voltages ranging from 4.5V to 40V, making it suitable for a wide range of applications.
2. Low Quiescent Current: With a typical quiescent current of only 50µA, the IC minimizes power consumption when in standby or low-load conditions.
3. Overtemperature Protection: The IC incorporates overtemperature protection, ensuring safe operation even under high-temperature conditions.
4. Short-Circuit Protection: The NCV8402AMNWT1G features short-circuit protection, safeguarding the circuit from damage in case of a short circuit.
5. Under-Voltage Lockout: It includes under-voltage lockout functionality, preventing the IC from operating below a specified voltage threshold.
6. Overvoltage Protection: The IC offers overvoltage protection, protecting downstream components from excessive voltage levels.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile application possibilities. - Low quiescent current reduces power consumption. - Integrated protection features enhance system reliability. - Compact package size enables space-saving designs.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Lack of adjustable output voltage limits customization options.

Working Principles

The NCV8402AMNWT1G is a power management IC that regulates the input voltage to provide a stable output voltage. It utilizes a combination of internal circuitry and control signals to achieve this. The enable pin (EN) controls the device's operation, while the feedback pin (FB) monitors the output voltage and adjusts it accordingly. The soft-start pin (SS) ensures a gradual ramp-up of the output voltage during startup. The power good pin (PG) provides an indication of the output voltage status. The IC also incorporates various protection mechanisms to ensure safe and reliable operation.

Detailed Application Field Plans

The NCV8402AMNWT1G is suitable for a wide range of applications, including but not limited to: - Automotive electronics - Industrial control systems - Power supplies - Battery-powered devices - Home automation systems

Detailed and Complete Alternative Models

1. NCV8402AMNTWG: Similar to NCV8402AMNWT1G, but with a different package (TSSOP-8).
2. NCV8402AMNXWG: Similar to NCV8402AMNWT1G, but with extended temperature range (-40°C to +150°C).
3. NCV8402AMNWT1G-D: Enhanced version with additional fault detection and diagnostic features.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements and preferences.

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