MAX16939ATERB/V+T

Product Category

The MAX16939ATERB/V+T belongs to the category of automotive power management ICs.

Basic Information Overview

• Category: Automotive Power Management IC
• Use: The MAX16939ATERB/V+T is used for power management in automotive applications, such as in-vehicle infotainment systems, advanced driver-assistance systems (ADAS), and lighting control.
• Characteristics: It features high efficiency, wide input voltage range, and robust protection features suitable for automotive environments.
• Package: The MAX16939ATERB/V+T is available in a compact, thermally enhanced 24-pin TQFN package.
• Essence: This product provides efficient and reliable power management solutions for automotive electronics.
• Packaging/Quantity: The MAX16939ATERB/V+T is typically supplied in tape and reel packaging with a specified quantity per reel.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Current: Up to 2A
• Switching Frequency: Adjustable up to 2.2MHz
• Operating Temperature Range: -40°C to +125°C
• Protection Features: Overcurrent protection, overvoltage protection, undervoltage lockout, and thermal shutdown

Detailed Pin Configuration

The MAX16939ATERB/V+T features a 24-pin TQFN package with specific pin functions for power input, output, control signals, and feedback.

| Pin Number | Pin Name | Function | |------------|-------------|---------------------------| | 1 | VIN | Power Input | | 2 | SW | Switch Node | | 3 | PGND | Power Ground | | 4 | FB | Feedback Input | | 5 | EN | Enable Control | | 6 | SS/PLL | Soft-Start/PLL Frequency | | ... | ... | ... | | 24 | AGND | Analog Ground |

Functional Features

• High Efficiency: The MAX16939ATERB/V+T utilizes advanced switching techniques to achieve high efficiency, minimizing power dissipation and maximizing battery life in automotive applications.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 36V, this IC can accommodate various automotive electrical systems, including start-stop and load-dump conditions.
• Robust Protection: The device incorporates comprehensive protection features to safeguard against fault conditions, ensuring the reliability of connected electronic components.

Advantages and Disadvantages

Advantages

• Efficient power management for automotive electronics
• Wide input voltage range for versatile application
• Robust protection features for enhanced reliability

Disadvantages

• Higher cost compared to non-automotive power management ICs
• Requires expertise in automotive electronics design for optimal utilization

Working Principles

The MAX16939ATERB/V+T operates as a step-down (buck) converter, regulating the input voltage to a lower, stable output voltage suitable for powering automotive electronic components. It employs pulse-width modulation (PWM) control to efficiently manage power conversion while monitoring input and output conditions for protective actions.

Detailed Application Field Plans

The MAX16939ATERB/V+T is well-suited for a range of automotive applications, including: - In-vehicle infotainment systems - Advanced driver-assistance systems (ADAS) - LED lighting control - Automotive telematics units - Vehicle electrification systems

Detailed and Complete Alternative Models

• MAX16910: A similar automotive power management IC with integrated DC-DC converter and protection features.
• LT8705: An alternative buck-boost converter with wide input voltage range suitable for automotive applications.
• TPS54332: Texas Instruments' automotive-grade step-down converter offering high efficiency and small form factor.

In conclusion, the MAX16939ATERB/V+T offers efficient and reliable power management for automotive electronics, catering to a wide range of applications within the automotive industry.

Word Count: 598