MAX16956AUBA/V+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX16956AUBA/V+ is a high-voltage, low-quiescent current linear regulator designed for automotive applications. It provides a regulated output voltage from an input voltage up to 72V.

Characteristics: - High-voltage capability - Low quiescent current - Wide input voltage range - Automotive-grade reliability - Compact package size

Package: The MAX16956AUBA/V+ is available in a small 8-pin µMAX package, which allows for space-efficient integration into automotive electronic systems.

Essence: This linear regulator offers efficient power management and voltage regulation for automotive applications, ensuring stable and reliable operation of various electronic components.

Packaging/Quantity: The MAX16956AUBA/V+ is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: Up to 72V
• Output Voltage Range: Adjustable from 1.2V to 60V
• Quiescent Current: 25µA (typical)
• Dropout Voltage: 300mV at 100mA load current
• Operating Temperature Range: -40°C to +125°C
• Package Type: 8-pin µMAX

Pin Configuration

The MAX16956AUBA/V+ features the following pin configuration:

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| | --| VIN | --| GND | --| FB | --| EN | --| VOUT | --| NC | --| NC | |___________| ```

Functional Features

1. High-Voltage Capability: The MAX16956AUBA/V+ can handle input voltages up to 72V, making it suitable for automotive applications with varying power supply requirements.

2. Low Quiescent Current: With a typical quiescent current of only 25µA, this linear regulator minimizes power consumption and extends battery life in automotive systems.

3. Wide Input Voltage Range: The device supports a wide input voltage range, allowing it to operate efficiently even in fluctuating voltage conditions.

4. Automotive-Grade Reliability: Designed to meet stringent automotive industry standards, the MAX16956AUBA/V+ ensures reliable performance in harsh environments, including temperature variations and electrical noise.

Advantages and Disadvantages

Advantages: - High-voltage capability enables compatibility with various automotive power sources. - Low quiescent current reduces power consumption and extends battery life. - Wide input voltage range ensures stable operation in different voltage conditions. - Automotive-grade reliability guarantees long-term performance in challenging environments.

Disadvantages: - Limited output current capacity compared to switching regulators. - Higher heat dissipation due to linear regulation, which may require additional thermal management measures.

Working Principles

The MAX16956AUBA/V+ operates as a linear regulator, utilizing a pass transistor to regulate the output voltage. It maintains a constant output voltage by adjusting the resistance between the input and output terminals, dissipating excess energy as heat. This approach ensures a stable output voltage but results in lower efficiency compared to switching regulators.

Detailed Application Field Plans

The MAX16956AUBA/V+ finds application in various automotive electronic systems, including: 1. Vehicle infotainment systems 2. Advanced driver-assistance systems (ADAS) 3. Lighting control modules 4. Powertrain control units (PCUs) 5. Battery management systems (BMS) 6. Electric vehicle charging systems

Its high-voltage capability, low quiescent current, and automotive-grade reliability make it suitable for these applications, ensuring stable and efficient power supply to critical components.

Detailed and Complete Alternative Models

1. LM317: A popular linear regulator with adjustable output voltage and a wide input voltage range.
2. LT1763: Low-dropout (LDO) linear regulator offering high accuracy and low noise performance.
3. TPS7A47: High-voltage, low-IQ linear regulator designed for automotive and industrial applications.
4. MIC29302WU: Wide-input voltage linear regulator with adjustable output voltage and high current capability.

These alternative models provide similar functionality to the MAX16956AUBA/V+ and can be considered based on specific application requirements.

In conclusion, the MAX16956AUBA/V+ is a high-voltage linear regulator designed for automotive applications. Its features, such as high-voltage capability, low quiescent current, and automotive-grade reliability, make it an ideal choice for various automotive electronic systems.