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MAX9471ETP+T
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MAX9471ETP+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
  • Package: TQFN-20
  • Essence: Power Supply Controller
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Quiescent Current: 25µA
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9471ETP+T has a total of 20 pins. The pin configuration is as follows:

  1. EN - Enable Input
  2. FB - Feedback Input
  3. SS/TR - Soft-Start/Tracking Input
  4. GND - Ground
  5. PGND - Power Ground
  6. LX - Switch Node
  7. LX - Switch Node
  8. LX - Switch Node
  9. LX - Switch Node
  10. LX - Switch Node
  11. LX - Switch Node
  12. LX - Switch Node
  13. LX - Switch Node
  14. LX - Switch Node
  15. LX - Switch Node
  16. LX - Switch Node
  17. LX - Switch Node
  18. LX - Switch Node
  19. LX - Switch Node
  20. VIN - Input Voltage

Functional Features

  • High efficiency power supply controller
  • Low quiescent current for improved power savings
  • Soft-start and tracking functionality for controlled startup
  • Overcurrent protection for enhanced safety
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Small package size allows for space-saving designs
  • Wide input voltage range provides flexibility in various applications
  • Soft-start and tracking features ensure smooth startup

Disadvantages

  • Limited output voltage range may not be suitable for all applications
  • Higher switching frequency may introduce additional noise

Working Principles

The MAX9471ETP+T is a power supply controller that regulates the output voltage based on the input voltage. It utilizes a switching regulator topology to efficiently convert the input voltage to the desired output voltage. The enable input (EN) controls the operation of the device, while the feedback input (FB) monitors the output voltage and adjusts the switching action accordingly. The soft-start and tracking inputs (SS/TR) provide controlled startup and allow for synchronization with other power supplies.

Detailed Application Field Plans

The MAX9471ETP+T is commonly used in various applications where efficient power management is required. Some of the typical application fields include:

  1. Battery-powered devices: Portable electronics, handheld instruments, wireless sensors.
  2. Industrial equipment: PLCs (Programmable Logic Controllers), motor control systems, factory automation.
  3. Consumer electronics: Smartphones, tablets, digital cameras, portable media players.
  4. Automotive electronics: Infotainment systems, navigation devices, advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

  • MAX9470ETP+T
  • MAX9472ETP+T
  • MAX9473ETP+T
  • MAX9474ETP+T
  • MAX9475ETP+T
  • MAX9476ETP+T
  • MAX9477ETP+T
  • MAX9478ETP+T
  • MAX9479ETP+T
  • MAX9480ETP+T

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAX9471ETP+T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MAX9471ETP+T in technical solutions:

Q1: What is the MAX9471ETP+T? A1: The MAX9471ETP+T is a high-side, current-sense amplifier with an integrated comparator and reference. It is commonly used in various technical solutions for current sensing and protection applications.

Q2: What is the operating voltage range of MAX9471ETP+T? A2: The MAX9471ETP+T operates within a voltage range of 2.7V to 28V.

Q3: What is the maximum input offset voltage of MAX9471ETP+T? A3: The maximum input offset voltage of MAX9471ETP+T is typically 500µV.

Q4: Can MAX9471ETP+T be used for overcurrent protection? A4: Yes, MAX9471ETP+T is commonly used for overcurrent protection due to its current-sensing capabilities and integrated comparator.

Q5: What is the maximum supply current of MAX9471ETP+T? A5: The maximum supply current of MAX9471ETP+T is typically 100µA.

Q6: Does MAX9471ETP+T have built-in thermal shutdown protection? A6: Yes, MAX9471ETP+T has built-in thermal shutdown protection to prevent overheating.

Q7: Can MAX9471ETP+T be used in automotive applications? A7: Yes, MAX9471ETP+T is suitable for automotive applications as it can operate within the required voltage range and has features like overcurrent protection.

Q8: What is the gain accuracy of MAX9471ETP+T? A8: The gain accuracy of MAX9471ETP+T is typically ±0.5%.

Q9: Can MAX9471ETP+T be used in low-power applications? A9: Yes, MAX9471ETP+T is designed for low-power applications with its low supply current and shutdown mode.

Q10: What is the package type of MAX9471ETP+T? A10: MAX9471ETP+T is available in a 20-pin TQFN package.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.