MAX16941AUE/V+ - Product Overview

Introduction

The MAX16941AUE/V+ belongs to the category of automotive power management ICs. This integrated circuit is designed for use in automotive applications, offering a range of characteristics that make it suitable for various power management tasks. The package type, essence, and packaging/quantity information provide valuable insights into the physical attributes of the MAX16941AUE/V+.

Basic Information Overview

• Category: Automotive Power Management IC
• Use: Designed for automotive applications
• Characteristics: High efficiency, compact design, automotive-grade reliability
• Package: 16-pin TSSOP
• Essence: Power management and control
• Packaging/Quantity: Tape and Reel (3,000 units per reel)

Specifications

The MAX16941AUE/V+ features the following specifications: - Input Voltage Range: 4.5V to 28V - Output Current: Up to 1.2A - Operating Temperature Range: -40°C to +125°C - Quiescent Current: 50µA (typical) - Switching Frequency: 300kHz to 2.2MHz

Detailed Pin Configuration

The detailed pin configuration of the MAX16941AUE/V+ is as follows:

| Pin Number | Pin Name | Description | |------------|-------------|--------------------------------------------------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | SW | Switch node for buck regulator | | 4 | FB | Feedback input for output regulation | | 5 | EN | Enable input for device control | | 6 | SS/UVLO | Soft-start/Undervoltage lockout | | 7 | PGND | Power ground for internal MOSFETs | | 8 | BST | Bootstrap capacitor connection for high-side FET | | 9 | LX | Inductor connection for buck regulator | | 10 | VOUT | Regulated output voltage | | 11 | OV | Overvoltage protection input | | 12 | UV | Undervoltage protection input | | 13 | ILIM | Current limit setting input | | 14 | SS/TRK | Soft-start/tracking input | | 15 | PGND | Power ground for internal MOSFETs | | 16 | VCC | Supply voltage for control circuitry |

Functional Features

The MAX16941AUE/V+ offers the following functional features: - Wide input voltage range for automotive applications - Integrated high-side and low-side MOSFETs for efficient power conversion - Programmable soft-start and tracking for controlled start-up behavior - Overvoltage and undervoltage protection for enhanced system reliability - Adjustable current limit for flexible power management

Advantages and Disadvantages

Advantages

• Compact 16-pin TSSOP package for space-constrained applications
• Wide input voltage range enables compatibility with various automotive systems
• Integrated MOSFETs reduce external component count and simplify design
• Comprehensive protection features enhance system robustness

Disadvantages

• Limited maximum output current compared to some higher-power alternatives
• Higher quiescent current compared to ultra-low-power solutions

Working Principles

The MAX16941AUE/V+ operates as a buck regulator, converting the input voltage to a regulated output voltage based on the feedback signal. The integrated MOSFETs and control circuitry manage the power conversion process, while the protection features monitor and safeguard against overvoltage, undervoltage, and excessive current conditions.

Detailed Application Field Plans

The MAX16941AUE/V+ is well-suited for a range of automotive power management applications, including but not limited to: - LED lighting systems - Infotainment and navigation systems - Advanced driver-assistance systems (ADAS) - Electric power steering - Engine control units (ECUs) - Body control modules (BCMs)

Detailed and Complete Alternative Models

For applications requiring different specifications or performance characteristics, alternative models to consider include: - MAX16941BUE/V+: Higher output current version of the MAX16941AUE/V+ - MAX16941CUE/V+: Lower quiescent current version for ultra-low-power requirements - MAX16941DUE/V+: Extended temperature range variant for harsh environmental conditions

In conclusion, the MAX16941AUE/V+ offers a versatile solution for automotive power management, combining a wide input voltage range, integrated MOSFETs, and comprehensive protection features in a compact package.

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