Linear Technology/QD Devices
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LTC4053EMSE-4.2#PBF
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LTC4053EMSE-4.2#PBF

Product Overview

Category

LTC4053EMSE-4.2#PBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is commonly used in portable electronic devices, such as smartphones, tablets, and digital cameras, to efficiently charge lithium-ion batteries.

Characteristics

  • High charging efficiency
  • Compact size
  • Low power consumption
  • Wide input voltage range
  • Overvoltage protection
  • Thermal shutdown protection

Package

LTC4053EMSE-4.2#PBF is available in a small MSOP-10 package, which ensures easy integration into various electronic devices.

Essence

The essence of LTC4053EMSE-4.2#PBF lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V - 6.5V
  • Charging Voltage: 4.2V ± 1%
  • Charging Current: Up to 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. PROG: Programming pin for setting the charging current
  4. STAT: Status output pin indicating charging status
  5. CE: Charge enable pin
  6. VBAT: Battery voltage sense pin
  7. TS: Thermal shutdown pin
  8. BAT: Battery connection pin
  9. ISET: Current set pin
  10. VOUT: Output voltage pin

Functional Features

  • Constant-current/constant-voltage charging
  • Automatic recharge
  • Charge termination based on battery voltage and temperature
  • Reverse battery protection
  • LED indication of charging status

Advantages and Disadvantages

Advantages

  • High charging efficiency ensures faster charging times
  • Compact size allows for easy integration into small electronic devices
  • Wide input voltage range enables compatibility with various power sources
  • Overvoltage and thermal shutdown protection ensure safe charging operation

Disadvantages

  • Limited charging current capacity (up to 1A)
  • Requires external programming for setting the charging current

Working Principles

LTC4053EMSE-4.2#PBF operates on the principle of constant-current/constant-voltage charging. It initially provides a constant current to the battery until its voltage reaches the programmed charging voltage (4.2V). Once the battery voltage reaches this level, the charger switches to a constant-voltage mode, maintaining a steady voltage while reducing the charging current. This ensures a controlled and efficient charging process.

Detailed Application Field Plans

LTC4053EMSE-4.2#PBF finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Digital cameras - Portable media players - Bluetooth headsets - GPS devices

Detailed and Complete Alternative Models

  1. LTC4053EMS-4.2#PBF: Similar to LTC4053EMSE-4.2#PBF but without the MSOP-10 package.
  2. LTC4053ES5-4.2#PBF: SOT-23 package variant of LTC4053EMSE-4.2#PBF.
  3. LTC4053EMSE-4.1#PBF: Variant with a charging voltage of 4.1V instead of 4.2V.

These alternative models provide similar functionality and can be used as substitutes depending on specific design requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de LTC4053EMSE-4.2#PBF dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of LTC4053EMSE-4.2#PBF in technical solutions:

  1. Q: What is the LTC4053EMSE-4.2#PBF? A: The LTC4053EMSE-4.2#PBF is a battery charger IC designed for single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range for the LTC4053EMSE-4.2#PBF? A: The input voltage range is typically between 4.75V and 6V.

  3. Q: What is the maximum charge current supported by the LTC4053EMSE-4.2#PBF? A: The maximum charge current is typically 800mA.

  4. Q: Can the LTC4053EMSE-4.2#PBF be used with different battery chemistries? A: No, it is specifically designed for lithium-ion/polymer batteries only.

  5. Q: Does the LTC4053EMSE-4.2#PBF have built-in overcharge protection? A: Yes, it has an integrated overcharge protection circuitry to prevent damage to the battery.

  6. Q: What is the purpose of the thermal regulation feature in the LTC4053EMSE-4.2#PBF? A: The thermal regulation feature helps prevent overheating of the battery during charging.

  7. Q: Can the LTC4053EMSE-4.2#PBF be used in portable devices? A: Yes, it is suitable for use in various portable electronic devices such as smartphones, tablets, and wearables.

  8. Q: Is there a minimum input voltage required for the LTC4053EMSE-4.2#PBF to operate? A: Yes, the minimum input voltage is typically 4.75V.

  9. Q: Does the LTC4053EMSE-4.2#PBF support trickle charging? A: Yes, it has a trickle charge feature for maintaining the battery at full capacity.

  10. Q: What are the typical applications of the LTC4053EMSE-4.2#PBF? A: The LTC4053EMSE-4.2#PBF is commonly used in portable devices, wireless communication systems, and other battery-powered applications.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.