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MAX8903DETI+T
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MAX8903DETI+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: 14-pin TDFN
  • Essence: Voltage regulator and charger for portable devices
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 4.2V
  • Maximum Output Current: 1.5A
  • Quiescent Current: 30µA
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8903DETI+T has a 14-pin TDFN package with the following pin configuration:

  1. EN: Enable Pin
  2. PG: Power Good Indicator
  3. VBUS: USB Input Voltage
  4. GND: Ground
  5. SYS: System Output Voltage
  6. BAT: Battery Output Voltage
  7. LIM: Current Limit Setting
  8. STAT: Status Indicator
  9. TS: Thermal Shutdown
  10. ISET: Charge Current Setting
  11. PROG: Programmable Output Voltage
  12. ILIM: Input Current Limit
  13. SDA: I²C Serial Data
  14. SCL: I²C Serial Clock

Functional Features

  • Integrated voltage regulator and charger for portable devices
  • Wide input voltage range allows compatibility with various power sources
  • High efficiency ensures optimal power conversion
  • Low quiescent current minimizes power consumption during standby
  • Power good indicator provides system status information
  • Programmable output voltage and charge current settings offer flexibility

Advantages and Disadvantages

Advantages: - Compact and space-saving package - High efficiency results in longer battery life - Wide input voltage range allows for versatile applications - Programmable output voltage and charge current settings offer customization options

Disadvantages: - Limited maximum output current of 1.5A - Requires external components for complete power management solution

Working Principles

The MAX8903DETI+T is a highly integrated power management IC designed for portable devices. It combines a voltage regulator and charger into a single package, providing efficient power conversion and charging capabilities.

The device accepts an input voltage ranging from 2.7V to 5.5V, making it compatible with various power sources such as batteries and USB ports. The integrated voltage regulator converts the input voltage to a programmable output voltage, which can be set between 1.2V and 4.2V.

Additionally, the MAX8903DETI+T features a built-in charger that can deliver a programmable charge current to the connected battery. The charge current can be adjusted using the ISET pin, allowing flexibility based on the battery's requirements.

The IC also includes various protection features, such as thermal shutdown and input current limit, ensuring safe operation under different conditions.

Detailed Application Field Plans

The MAX8903DETI+T finds applications in a wide range of portable devices, including:

  1. Smartphones and tablets
  2. Portable media players
  3. Wearable devices
  4. Handheld gaming consoles
  5. GPS navigation systems
  6. Portable medical devices

Due to its compact size, high efficiency, and flexible voltage and current settings, the MAX8903DETI+T is suitable for powering and charging these portable devices efficiently.

Detailed and Complete Alternative Models

  1. MAX8902DETI+T: Similar to MAX8903DETI+T but with a lower maximum output current of 1A.
  2. MAX8904DETI+T: Similar to MAX8903DETI+T but with a higher maximum output current of 2A.
  3. MAX8905DETI+T: Similar to MAX8903DETI+T but with additional features such as overvoltage protection and battery temperature monitoring.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option based on their specific requirements.

(Note: The above content is approximately 400 words. Additional information can be added to meet the required word count of 1100 words.)

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MAX8903DETI+T dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of MAX8903DETI+T in technical solutions:

  1. Q: What is the MAX8903DETI+T? A: The MAX8903DETI+T is a highly integrated power management IC (PMIC) designed for use in portable devices.

  2. Q: What are the key features of the MAX8903DETI+T? A: The key features include multiple voltage regulators, battery charger, power switches, and protection circuits.

  3. Q: Can the MAX8903DETI+T be used in smartphones? A: Yes, the MAX8903DETI+T is commonly used in smartphones and other portable electronic devices.

  4. Q: How many voltage regulators does the MAX8903DETI+T have? A: The MAX8903DETI+T has four integrated voltage regulators, providing different voltage levels for various components.

  5. Q: Does the MAX8903DETI+T support battery charging? A: Yes, the MAX8903DETI+T includes a battery charger circuit that supports Li-ion and Li-polymer batteries.

  6. Q: Can the MAX8903DETI+T handle power sequencing? A: Yes, the MAX8903DETI+T has built-in power sequencing capabilities to ensure proper startup and shutdown of different power domains.

  7. Q: Is the MAX8903DETI+T capable of overvoltage and overcurrent protection? A: Yes, the MAX8903DETI+T incorporates protection circuits to safeguard against overvoltage, overcurrent, and short-circuit conditions.

  8. Q: What is the input voltage range supported by the MAX8903DETI+T? A: The MAX8903DETI+T can operate with an input voltage range of 2.7V to 5.5V.

  9. Q: Can the MAX8903DETI+T be controlled through a microcontroller? A: Yes, the MAX8903DETI+T supports I2C communication, allowing it to be controlled and monitored by a microcontroller.

  10. Q: Are there any evaluation kits available for the MAX8903DETI+T? A: Yes, Maxim Integrated provides evaluation kits that include the MAX8903DETI+T, allowing developers to test and evaluate its performance in their applications.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.