MAX16956AUBD/V+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX16956AUBD/V+ is a highly efficient, synchronous step-down DC-DC converter designed for automotive applications. It provides a regulated output voltage from an input voltage source, making it suitable for various power supply requirements in automotive systems.

Characteristics: - High efficiency - Synchronous rectification - Wide input voltage range - Adjustable output voltage - Overcurrent and overtemperature protection

Package: The MAX16956AUBD/V+ is available in a small 10-pin µMAX package, which allows for space-saving integration into automotive electronic systems.

Essence: This IC is essential for converting the input voltage to a regulated output voltage, ensuring stable power supply for automotive applications.

Packaging/Quantity: The MAX16956AUBD/V+ is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX16956AUBD/V+ features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. PGND: Power ground pin
7. LX: Switching node pin for connecting the inductor
8. BST: Boost pin for connecting the bootstrap capacitor
9. VCC: Supply voltage pin for internal circuitry
10. PG: Power good pin for indicating output voltage status

Functional Features

• High efficiency conversion of input voltage to regulated output voltage
• Synchronous rectification for improved efficiency
• Adjustable output voltage through feedback pin (FB)
• Overcurrent protection to prevent damage during excessive load conditions
• Overtemperature protection to safeguard against thermal stress

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation and improved energy utilization - Wide input voltage range allows compatibility with various automotive power sources - Adjustable output voltage provides flexibility for different system requirements - Overcurrent and overtemperature protection enhance reliability and safety

Disadvantages: - Limited maximum output current of 3A may not be sufficient for high-power applications - Higher cost compared to non-automotive-specific DC-DC converters

Working Principles

The MAX16956AUBD/V+ operates based on the principle of pulse-width modulation (PWM). It uses a high-frequency switching transistor to control the duty cycle of the input voltage, resulting in a regulated output voltage. The synchronous rectification mechanism improves efficiency by minimizing power losses during switching.

Detailed Application Field Plans

The MAX16956AUBD/V+ is widely used in automotive electronic systems, including but not limited to: - Infotainment systems - Advanced driver-assistance systems (ADAS) - Lighting systems - Powertrain control modules - Body control modules - Battery management systems

Detailed and Complete Alternative Models

1. TPS54332DDAR - Texas Instruments
2. LT8610ABEMSE#PBF - Analog Devices Inc.
3. MPQ4425GQV-AEC1-Z - Monolithic Power Systems

These alternative models offer similar functionality and are suitable replacements for the MAX16956AUBD/V+ in automotive applications.

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