MAX16984RAGI/VS+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX16984RAGI/VS+ 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 conversion - Wide input voltage range - Adjustable output voltage - Overcurrent and overtemperature protection - Low quiescent current - Automotive-grade reliability

Package: The MAX16984RAGI/VS+ is available in a compact 24-pin QFN package, which ensures easy integration into space-constrained automotive electronic systems.

Essence: This IC serves as a reliable power management solution for automotive applications, delivering stable and efficient power conversion.

Packaging/Quantity: The MAX16984RAGI/VS+ is typically sold in reels of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 3A
• Switching Frequency: Up to 2.2MHz
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX16984RAGI/VS+ features a 24-pin QFN package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. SW: Switch node connection
4. FB: Feedback voltage input
5. EN: Enable control input
6. SS/TRK: Soft-start/tracking control input
7. PGND: Power ground
8. PGND: Power ground
9. VCC: Supply voltage input
10. VCC: Supply voltage input
11. VCC: Supply voltage input
12. VCC: Supply voltage input
13. VCC: Supply voltage input
14. VCC: Supply voltage input
15. VCC: Supply voltage input
16. VCC: Supply voltage input
17. VCC: Supply voltage input
18. VCC: Supply voltage input
19. VCC: Supply voltage input
20. VCC: Supply voltage input
21. VCC: Supply voltage input
22. VCC: Supply voltage input
23. VCC: Supply voltage input
24. VCC: Supply voltage input

Functional Features

• High efficiency conversion: The MAX16984RAGI/VS+ achieves high efficiency through its synchronous step-down topology, minimizing power losses.
• Adjustable output voltage: The output voltage can be easily adjusted to meet specific system requirements.
• Overcurrent and overtemperature protection: Built-in protection mechanisms safeguard the IC and connected components from damage during fault conditions.
• Low quiescent current: The low quiescent current ensures minimal power consumption when the converter is in standby or idle mode.
• Automotive-grade reliability: Designed and tested to meet automotive industry standards, ensuring reliable operation in harsh automotive environments.

Advantages and Disadvantages

Advantages: - High efficiency conversion reduces power dissipation and improves overall system performance. - Wide input voltage range allows compatibility with various automotive power sources. - Adjustable output voltage provides flexibility for different system requirements. - Integrated protection features enhance system reliability and durability. - Compact package enables easy integration into space-constrained automotive applications.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Higher cost compared to non-automotive grade DC-DC converters.

Working Principles

The MAX16984RAGI/VS+ operates as a synchronous step-down DC-DC converter. It uses a high-frequency switching technique to efficiently convert the input voltage to a regulated output voltage. The integrated control circuitry adjusts the duty cycle of the internal power switches to maintain the desired output voltage. Feedback mechanisms ensure stability and accuracy of the output voltage under varying load conditions.

Detailed Application Field Plans

The MAX16984RAGI/VS+ is specifically designed for automotive applications, including but not limited to: - Automotive infotainment systems - Advanced driver-assistance systems (ADAS) - Lighting systems - Powertrain control modules - Body control modules - Telematics systems

Its wide input voltage range, adjustable output voltage, and automotive-grade reliability make it suitable for various power supply requirements in modern automotive electronic systems.

Detailed and Complete Alternative Models

1. TPS54332DDAR: Texas Instruments - Synchronous Step-Down DC-DC Converter
2. LT8610ABEMSE#PBF: Analog Devices - Silent Switcher® 2 Synchronous Step-Down Regulator