MAX16956AUBB+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX16956AUBB+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in automotive applications, specifically for power management purposes.

Characteristics

• The MAX16956AUBB+ is a highly efficient, synchronous step-down converter.
• It operates with a wide input voltage range, making it suitable for various automotive systems.
• This IC offers excellent load and line regulation, ensuring stable power supply to connected devices.
• It features a low quiescent current, enabling energy-efficient operation.
• The device incorporates comprehensive protection features such as overvoltage, undervoltage, and overcurrent protection.

Package

The MAX16956AUBB+ is available in a small, space-saving package. It comes in a 10-pin µMAX® package.

Essence

The essence of MAX16956AUBB+ lies in its ability to efficiently regulate and manage power in automotive systems, ensuring reliable operation of connected devices.

Packaging/Quantity

This product is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 2A
• Switching Frequency: Adjustable up to 2.2MHz
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

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

Functional Features

• High efficiency and excellent load regulation ensure stable power supply to connected devices.
• Wide input voltage range allows compatibility with various automotive systems.
• Comprehensive protection features safeguard against overvoltage, undervoltage, and overcurrent conditions.
• Adjustable switching frequency enables optimization for different applications.
• Soft-start and tracking functionality facilitate controlled startup and shutdown sequences.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Comprehensive protection features
• Adjustable switching frequency
• Small package size

Disadvantages

• Limited maximum output current (2A)

Working Principles

The MAX16956AUBB+ operates as a synchronous step-down converter. It converts the higher input voltage to a lower regulated output voltage using high-frequency switching techniques. The device employs a pulse-width modulation (PWM) control scheme to regulate the output voltage. By adjusting the duty cycle of the switching signal, the desired output voltage can be achieved. The integrated MOSFETs ensure efficient power conversion while minimizing losses.

Detailed Application Field Plans

The MAX16956AUBB+ finds extensive application in automotive systems that require efficient power management. Some specific use cases include:

1. Automotive infotainment systems
2. Advanced driver-assistance systems (ADAS)
3. Lighting control modules
4. Telematics units
5. Battery management systems (BMS)
6. On-board chargers

Detailed and Complete Alternative Models

1. TPS54332: Texas Instruments' synchronous step-down converter with similar specifications and features.
2. LT8610AB: Analog Devices' high-efficiency, synchronous step-down regulator suitable for automotive applications.
3. MPQ4425: Monolithic Power Systems' automotive-grade, synchronous buck converter offering high efficiency and protection features.

These alternative models provide similar functionality and can be considered as alternatives to the MAX16956AUBB+ based on specific application requirements.

In conclusion, the MAX16956AUBB+ is a highly efficient, synchronous step-down converter designed for automotive power management applications. Its wide input voltage range, comprehensive protection features, and small package size make it an ideal choice for various automotive systems. While it has a limited maximum output current, alternative models with similar functionality are available in the market.