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LTC4056ETS8-4.2#TRMPBF
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LTC4056ETS8-4.2#TRMPBF

Product Overview

Category

LTC4056ETS8-4.2#TRMPBF belongs to the category of battery charger ICs.

Use

This product is primarily used for charging lithium-ion batteries.

Characteristics

  • Package: LTC4056ETS8-4.2#TRMPBF comes in an 8-pin TSOT-23 package.
  • Essence: It is a high-performance, standalone linear charger for single-cell lithium-ion batteries.
  • Packaging/Quantity: The product is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

The specifications of LTC4056ETS8-4.2#TRMPBF include:

  • Input Voltage Range: 4.75V to 6V
  • Charge Current: Up to 800mA
  • Charge Voltage: 4.2V ±1%
  • Preconditioning: Trickle charge current of 10% of programmed maximum charge current
  • Charge Termination: C/10 termination current
  • Battery Recharge Threshold: 100mV below the programmed float voltage
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of LTC4056ETS8-4.2#TRMPBF is as follows:

  1. PROG: Programming pin for setting the charge current.
  2. STAT: Status output pin indicating the charging status.
  3. CE: Charger enable pin for enabling/disabling the charger.
  4. GND: Ground reference pin.
  5. VCC: Supply voltage input pin.
  6. BAT: Battery connection pin.
  7. TS: Thermistor input pin for temperature monitoring.
  8. IN: Input voltage supply pin.

Functional Features

The functional features of LTC4056ETS8-4.2#TRMPBF include:

  • Standalone Operation: The IC can operate independently without the need for external microcontrollers.
  • Programmable Charge Current: The charge current can be easily programmed using an external resistor.
  • Thermal Regulation: The charger includes thermal regulation to prevent overheating during charging.
  • Battery Temperature Monitoring: The IC supports thermistor-based temperature monitoring for safe charging.
  • Reverse Battery Protection: It incorporates reverse battery protection to prevent damage in case of reverse battery connection.

Advantages and Disadvantages

Advantages: - High-performance charging with accurate voltage and current control. - Compact TSOT-23 package for space-constrained applications. - Standalone operation eliminates the need for additional circuitry.

Disadvantages: - Limited to single-cell lithium-ion batteries. - Requires an external resistor for programming the charge current.

Working Principles

LTC4056ETS8-4.2#TRMPBF operates based on a linear charging algorithm. It regulates the charge current and voltage to ensure safe and efficient charging of lithium-ion batteries. The IC monitors the battery voltage, temperature, and charging status to adjust the charging parameters accordingly.

Detailed Application Field Plans

LTC4056ETS8-4.2#TRMPBF finds applications in various portable electronic devices, such as: - Smartphones - Tablets - Portable media players - Bluetooth headsets - Wearable devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LTC4056ETS8-4.2#TRMPBF are: - MCP73831 - MAX1555 - BQ24075

These alternatives provide options for different package types, charge currents, and additional features.

In conclusion, LTC4056ETS8-4.2#TRMPBF is a high-performance battery charger IC designed for single-cell lithium-ion batteries. Its compact size, standalone operation, and programmable charge current make it suitable for a wide range of portable electronic devices. However, it is important to consider the limitations of single-cell compatibility and the need for an external resistor for programming the charge current.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC4056ETS8-4.2#TRMPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC4056ETS8-4.2#TRMPBF in technical solutions:

  1. Q: What is LTC4056ETS8-4.2#TRMPBF? A: LTC4056ETS8-4.2#TRMPBF is a specific model of battery charger IC designed for charging single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range for LTC4056ETS8-4.2#TRMPBF? A: The input voltage range for LTC4056ETS8-4.2#TRMPBF is typically between 4.75V and 6V.

  3. Q: What is the maximum charge current supported by LTC4056ETS8-4.2#TRMPBF? A: LTC4056ETS8-4.2#TRMPBF supports a maximum charge current of 800mA.

  4. Q: Can LTC4056ETS8-4.2#TRMPBF be used to charge other types of batteries? A: No, LTC4056ETS8-4.2#TRMPBF is specifically designed for charging single-cell lithium-ion/polymer batteries and may not be suitable for other battery chemistries.

  5. Q: Does LTC4056ETS8-4.2#TRMPBF have built-in overcharge protection? A: Yes, LTC4056ETS8-4.2#TRMPBF has built-in overcharge protection to prevent damage to the battery during charging.

  6. Q: What is the typical charging efficiency of LTC4056ETS8-4.2#TRMPBF? A: The typical charging efficiency of LTC4056ETS8-4.2#TRMPBF is around 85-90%.

  7. Q: Can LTC4056ETS8-4.2#TRMPBF be used in portable devices? A: Yes, LTC4056ETS8-4.2#TRMPBF is commonly used in portable devices like smartphones, tablets, and wearable devices.

  8. Q: Does LTC4056ETS8-4.2#TRMPBF have a thermal shutdown feature? A: Yes, LTC4056ETS8-4.2#TRMPBF has a built-in thermal shutdown feature to protect the IC from overheating.

  9. Q: What is the recommended operating temperature range for LTC4056ETS8-4.2#TRMPBF? A: The recommended operating temperature range for LTC4056ETS8-4.2#TRMPBF is typically between -40°C and +85°C.

  10. Q: Can LTC4056ETS8-4.2#TRMPBF be used in high-power applications? A: LTC4056ETS8-4.2#TRMPBF is primarily designed for low to moderate power applications and may not be suitable for high-power applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information and guidance.