Maxim Integrated
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MAX8671CETL+T
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MAX8671CETL+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: 40-Pin Thin QFN
  • Essence: Voltage Regulator and Battery Charger
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Quiescent Current: 25µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8671CETL+T has a total of 40 pins. The pin configuration is as follows:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. VOUT: Output Voltage
  5. PGND: Power Ground
  6. BST: Boost Converter Supply Voltage
  7. FB: Feedback Pin
  8. ILIM: Current Limit Setting
  9. SS/TRK: Soft-Start/Tracking Control
  10. COMP: Compensation Pin
  11. AGND: Analog Ground
  12. VREF: Reference Voltage Output
  13. ISET: Current Limit Programming
  14. BAT: Battery Connection
  15. TS: Thermal Shutdown
  16. THERM: Thermistor Input
  17. STAT: Status Output
  18. INTVCC: Internal Voltage Regulator Output
  19. VBUS: USB Input Voltage
  20. DCP: Dedicated Charging Port Detection

... (continued for the remaining pins)

Functional Features

  • Integrated voltage regulator and battery charger
  • High efficiency power management solution
  • Low power consumption in standby mode
  • Wide input voltage range for versatile applications
  • Overvoltage and overcurrent protection
  • Thermal shutdown for temperature regulation

Advantages and Disadvantages

Advantages: - Compact package size - High efficiency operation - Wide input voltage range - Comprehensive protection features

Disadvantages: - Limited maximum output current - Requires external components for complete functionality

Working Principles

The MAX8671CETL+T is a highly integrated power management IC that combines a voltage regulator and battery charger in a single package. It efficiently converts the input voltage to a regulated output voltage, while also charging the connected battery.

The device operates by regulating the input voltage within a specified range and converting it to the desired output voltage. It incorporates various protection features such as overvoltage and overcurrent protection to ensure safe operation.

Additionally, the MAX8671CETL+T includes a thermal shutdown mechanism to prevent overheating. This feature safeguards the IC and connected components from potential damage due to excessive temperatures.

Detailed Application Field Plans

The MAX8671CETL+T finds applications in various fields, including but not limited to:

  1. Portable electronic devices: Used to power and charge smartphones, tablets, and other portable gadgets.
  2. Industrial equipment: Provides efficient power management solutions for industrial machinery and equipment.
  3. Automotive systems: Enables voltage regulation and battery charging in automotive applications.
  4. Medical devices: Suitable for powering and charging medical equipment with strict power requirements.
  5. IoT devices: Supports power management in Internet of Things (IoT) devices, ensuring reliable operation.

Detailed and Complete Alternative Models

  1. MAX8670CETL+T: Similar to MAX8671CETL+T, but with a lower maximum output current of 2A.
  2. MAX8672CETL+T: Offers higher maximum output current of 4A, suitable for applications requiring higher power.
  3. MAX8673CETL+T: Provides additional features such as adjustable output voltage and current limit programming.

These alternative models offer similar functionality to the MAX8671CETL+T, with slight variations in specifications and features.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MAX8671CETL+T i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MAX8671CETL+T in technical solutions:

Q1: What is the MAX8671CETL+T? A1: The MAX8671CETL+T is a highly integrated power management IC (PMIC) designed for use in portable devices, such as smartphones and tablets.

Q2: What are the key features of the MAX8671CETL+T? A2: The key features of the MAX8671CETL+T include multiple voltage regulators, battery charger, power path management, and various protection features.

Q3: How many voltage regulators does the MAX8671CETL+T have? A3: The MAX8671CETL+T has three high-efficiency step-down converters, which can provide different output voltages for powering different components in the system.

Q4: Can the MAX8671CETL+T charge a battery? A4: Yes, the MAX8671CETL+T includes a battery charger circuit that supports lithium-ion/polymer batteries. It provides a constant current and constant voltage charging profile.

Q5: Does the MAX8671CETL+T support power path management? A5: Yes, the MAX8671CETL+T has built-in power path management functionality, allowing it to power the system directly from the input source while simultaneously charging the battery.

Q6: What protection features does the MAX8671CETL+T offer? A6: The MAX8671CETL+T provides various protection features, including overvoltage protection, undervoltage lockout, thermal shutdown, and short-circuit protection.

Q7: What is the input voltage range supported by the MAX8671CETL+T? A7: The MAX8671CETL+T can accept input voltages ranging from 2.7V to 5.5V, making it compatible with a wide range of power sources.

Q8: Can the MAX8671CETL+T operate in low-power modes? A8: Yes, the MAX8671CETL+T supports different low-power modes, such as pulse skipping mode and shutdown mode, to optimize power efficiency in various operating conditions.

Q9: Is the MAX8671CETL+T programmable? A9: No, the MAX8671CETL+T does not have programmable features. It operates based on its internal control logic and external component values.

Q10: What is the package type of the MAX8671CETL+T? A10: The MAX8671CETL+T is available in a small 40-pin thin QFN (Quad Flat No-Lead) package, which is suitable for space-constrained applications.

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