Meixin Integrated
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MAX5078BATT/V+T
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MAX5078BATT/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: TDFN-10
  • Essence: Battery Charger and Power Path Management IC
  • Packaging/Quantity: Tape & Reel / 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charging Current: Up to 2A
  • Operating Temperature Range: -40°C to +85°C
  • Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Po)

Detailed Pin Configuration

The MAX5078BATT/V+T IC has the following pin configuration:

  1. GND: Ground
  2. STAT: Status Output
  3. EN: Enable Input
  4. PG: Power Good Output
  5. VBUS: USB Input Supply
  6. BAT: Battery Connection
  7. SYS: System Output
  8. TS: Thermistor Input
  9. PROG: Programming Resistor
  10. ISET: Current Limit Setting

Functional Features

  • Integrated battery charger and power path management functions
  • Automatic selection between input power sources (USB or adapter)
  • Programmable charging current limit
  • Thermal regulation for safe operation
  • Power good output for system status indication
  • Fault protection against overvoltage, undervoltage, and overtemperature conditions

Advantages and Disadvantages

Advantages: - High efficiency charging - Low power consumption - Compact package size - Wide input voltage range

Disadvantages: - Limited to lithium-ion and lithium-polymer batteries - Requires external programming resistor

Working Principles

The MAX5078BATT/V+T is designed to efficiently charge lithium-ion and lithium-polymer batteries while providing power to the system. It automatically selects the input power source (USB or adapter) and regulates the charging current based on the programmed limit. The IC also incorporates thermal regulation to prevent overheating during operation.

Detailed Application Field Plans

The MAX5078BATT/V+T is widely used in portable electronic devices, such as smartphones, tablets, and wearable devices. It is suitable for applications where efficient battery charging and power management are essential. Some specific application fields include:

  1. Mobile Phones
  2. Tablets and Laptops
  3. Portable Gaming Devices
  4. Smartwatches and Fitness Trackers
  5. Portable Medical Devices

Detailed and Complete Alternative Models

  1. MAX8903A: Battery Charger and Power Path Management IC with higher charging current capability.
  2. LTC4054: Standalone Linear Li-Ion Battery Charger IC with similar features.
  3. BQ24075: Integrated Single-Cell Li-Ion Battery Charger IC with power path management.

These alternative models offer similar functionality and can be considered as alternatives to the MAX5078BATT/V+T depending on specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX5078BATT/V+T dans les solutions techniques

  1. What is the maximum input voltage for MAX5078BATT/V+T?
    - The maximum input voltage for MAX5078BATT/V+T is 5.5V.

  2. What is the typical output current capability of MAX5078BATT/V+T?
    - The typical output current capability of MAX5078BATT/V+T is 3A.

  3. Can MAX5078BATT/V+T be used in automotive applications?
    - Yes, MAX5078BATT/V+T is suitable for automotive applications.

  4. What is the operating temperature range of MAX5078BATT/V+T?
    - The operating temperature range of MAX5078BATT/V+T is -40°C to +125°C.

  5. Does MAX5078BATT/V+T have built-in overcurrent protection?
    - Yes, MAX5078BATT/V+T features built-in overcurrent protection.

  6. Is MAX5078BATT/V+T compatible with Li-ion battery packs?
    - Yes, MAX5078BATT/V+T is compatible with Li-ion battery packs.

  7. What is the typical quiescent current of MAX5078BATT/V+T?
    - The typical quiescent current of MAX5078BATT/V+T is 85µA.

  8. Can MAX5078BATT/V+T be used in portable electronic devices?
    - Yes, MAX5078BATT/V+T is suitable for use in portable electronic devices.

  9. What is the typical efficiency of MAX5078BATT/V+T?
    - The typical efficiency of MAX5078BATT/V+T is 95%.

  10. Does MAX5078BATT/V+T require external compensation components?
    - No, MAX5078BATT/V+T does not require external compensation components.