Meixin Integrated
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
MAX1901EAI+T
Details bekijken DataSheets

MAX1901EAI+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-Efficiency Step-Down DC-DC Converter
  • Package: 28-Pin SSOP (Shrink Small Outline Package)
  • Essence: Efficient power conversion for various applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 3A
  • Switching Frequency: 1MHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1901EAI+T has a total of 28 pins. The pin configuration is as follows:

  1. EN (Enable)
  2. FB (Feedback)
  3. COMP (Compensation)
  4. VCC (Supply Voltage)
  5. GND (Ground)
  6. SW (Switch Node)
  7. BOOT (Bootstrap)
  8. LX (Inductor Connection)
  9. PGND (Power Ground)
  10. AGND (Analog Ground)
  11. SS/TRK (Soft-Start/Tracking)
  12. SYNC (Synchronization)
  13. CLKOUT (Clock Output)
  14. CLKIN (Clock Input)
  15. VREF (Reference Voltage)
  16. ISET (Current Limit Setting)
  17. MODE (Mode Selection)
  18. UVLO (Undervoltage Lockout)
  19. OVLO (Overvoltage Lockout)
  20. SS/TRK (Soft-Start/Tracking)
  21. SYNC (Synchronization)
  22. CLKOUT (Clock Output)
  23. CLKIN (Clock Input)
  24. VREF (Reference Voltage)
  25. ISET (Current Limit Setting)
  26. MODE (Mode Selection)
  27. UVLO (Undervoltage Lockout)
  28. OVLO (Overvoltage Lockout)

Functional Features

  • High-efficiency step-down DC-DC converter
  • Wide input voltage range for versatile applications
  • Adjustable output voltage to meet specific requirements
  • Fast transient response for stable power supply
  • Overcurrent and overtemperature protection
  • Soft-start and tracking functions for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power consumption
  • Compact package size saves board space
  • Wide input voltage range allows flexibility in power source selection
  • Comprehensive protection features ensure system reliability
  • Soft-start and tracking functions enable smooth power-up sequence

Disadvantages

  • Limited maximum output current of 3A may not be suitable for high-power applications
  • Requires external components for operation, increasing overall system complexity

Working Principles

The MAX1901EAI+T is a high-efficiency step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes a synchronous rectification architecture to minimize power losses and maximize efficiency. The IC incorporates a control loop that regulates the output voltage based on the feedback signal from the FB pin. The switching frequency can be set using an external clock or synchronized with an external signal.

During operation, the input voltage is stepped down by the internal power MOSFETs and filtered by the output capacitor. The control circuitry adjusts the duty cycle of the switches to maintain the desired output voltage. The device also includes various protection features such as undervoltage lockout (UVLO), overvoltage lockout (OVLO), and overcurrent protection.

Detailed Application Field Plans

The MAX1901EAI+T is widely used in various applications that require efficient power conversion. Some of the common application fields include:

  1. Portable electronic devices: The IC can be used to power smartphones, tablets, portable media players, and other battery-operated devices.
  2. Industrial equipment: It is suitable for powering sensors, actuators, control systems, and other components in industrial automation and control applications.
  3. Automotive electronics: The converter can be utilized in automotive infotainment systems, navigation devices, lighting controls, and other automotive electronics.
  4. IoT (Internet of Things) devices: It is ideal for low-power IoT devices such as smart home devices, wearables, and wireless sensor networks.
  5. Embedded systems: The IC can be integrated into embedded systems, including single-board computers, development boards, and microcontroller-based systems.

Detailed and Complete Alternative Models

  • MAX1900EAI+T
  • MAX1902EAI+T
  • MAX1903EAI+T
  • MAX1904EAI+T
  • MAX1905EAI+T
  • MAX1906EAI+T
  • MAX1907EAI+T
  • MAX1908EAI

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1901EAI+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX1901EAI+T in technical solutions:

Q1: What is the MAX1901EAI+T? A1: The MAX1901EAI+T is a high-efficiency, step-down DC-DC converter with an integrated power switch. It is commonly used in various technical solutions to efficiently convert higher voltage inputs to lower voltage outputs.

Q2: What is the input voltage range of the MAX1901EAI+T? A2: The MAX1901EAI+T has an input voltage range of 4.5V to 28V, making it suitable for a wide range of applications.

Q3: What is the output voltage range of the MAX1901EAI+T? A3: The MAX1901EAI+T can provide output voltages as low as 0.8V and up to 90% of the input voltage.

Q4: What is the maximum output current of the MAX1901EAI+T? A4: The MAX1901EAI+T can deliver a maximum output current of 2A, making it suitable for powering various components in technical solutions.

Q5: Does the MAX1901EAI+T have built-in protection features? A5: Yes, the MAX1901EAI+T includes several protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.

Q6: Can the MAX1901EAI+T be used in battery-powered applications? A6: Yes, the MAX1901EAI+T is suitable for battery-powered applications as it has a low quiescent current and supports low dropout operation.

Q7: Is the MAX1901EAI+T easy to integrate into existing designs? A7: Yes, the MAX1901EAI+T is available in a compact, thermally enhanced 16-pin TSSOP package, making it easy to integrate into existing designs.

Q8: Can the MAX1901EAI+T operate at high temperatures? A8: Yes, the MAX1901EAI+T has a wide operating temperature range of -40°C to +85°C, allowing it to function reliably even in harsh environments.

Q9: Does the MAX1901EAI+T require external components for operation? A9: Yes, the MAX1901EAI+T requires a few external components such as input and output capacitors, an inductor, and feedback resistors for proper operation.

Q10: What are some typical applications of the MAX1901EAI+T? A10: The MAX1901EAI+T can be used in various technical solutions, including industrial automation, telecommunications equipment, automotive systems, and portable devices, to efficiently regulate voltage levels.