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LTC4050EMS-4.1#PBF
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LTC4050EMS-4.1#PBF

Product Overview

Category

The LTC4050EMS-4.1#PBF belongs to the category of battery charger ICs.

Use

It is primarily used for charging single-cell lithium-ion/polymer batteries.

Characteristics

  • Input Voltage Range: 4.5V to 6.5V
  • Charge Current: Up to 800mA
  • Programmable Charge Current Limit
  • Automatic Recharge
  • Low Battery Disconnect
  • Thermal Regulation
  • Reverse Battery Protection
  • Under-Voltage Lockout
  • Status Indication

Package

The LTC4050EMS-4.1#PBF comes in a small MSOP-10 package.

Essence

This product is an advanced battery charger IC designed for single-cell lithium-ion/polymer batteries, offering various features and protection mechanisms.

Packaging/Quantity

The LTC4050EMS-4.1#PBF is typically available in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 6.5V
  • Charge Voltage: 4.1V
  • Charge Current: Up to 800mA
  • Charge Termination: C/10
  • Preconditioning: 10% of programmed current
  • Charge Current Accuracy: ±5%
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: MSOP-10

Detailed Pin Configuration

The LTC4050EMS-4.1#PBF has the following pin configuration:

  1. PROG: Programming Pin
  2. STAT: Status Output Pin
  3. GND: Ground Pin
  4. BAT: Battery Connection Pin
  5. VCC: Supply Voltage Pin
  6. EN: Enable Pin
  7. TS: Temperature Sense Pin
  8. N/C: No Connection
  9. N/C: No Connection
  10. N/C: No Connection

Functional Features

  • Programmable Charge Current Limit
  • Automatic Recharge
  • Low Battery Disconnect
  • Thermal Regulation
  • Reverse Battery Protection
  • Under-Voltage Lockout
  • Status Indication

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications.
  • Programmable charge current limit provides flexibility.
  • Automatic recharge feature ensures continuous battery availability.
  • Comprehensive protection mechanisms enhance safety.
  • Small package size enables space-efficient designs.

Disadvantages

  • Limited to single-cell lithium-ion/polymer batteries.
  • Not suitable for high-current charging applications.

Working Principles

The LTC4050EMS-4.1#PBF operates as a linear charger for single-cell lithium-ion/polymer batteries. It utilizes a programmable charge current limit to control the charging process. The IC incorporates various protection features such as thermal regulation, reverse battery protection, and under-voltage lockout to ensure safe and reliable charging.

Detailed Application Field Plans

The LTC4050EMS-4.1#PBF finds applications in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Bluetooth headsets - Wearable devices

Detailed and Complete Alternative Models

  1. MCP73831: Single-cell Li-Ion/Li-Polymer Charge Management Controller
  2. MAX1555: Stand-Alone Linear Li+ Battery Charger
  3. BQ24075: Single-Input, Single-Cell Li-Ion Battery Charger

These alternative models offer similar functionality and can be considered as alternatives to the LTC4050EMS-4.1#PBF.

In conclusion, the LTC4050EMS-4.1#PBF is a versatile battery charger IC designed for single-cell lithium-ion/polymer batteries. Its programmable charge current limit, comprehensive protection mechanisms, and small package size make it suitable for various portable electronic devices. However, it is important to consider alternative models based on specific requirements and application needs.

技術ソリューションにおける LTC4050EMS-4.1#PBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LTC4050EMS-4.1#PBF in technical solutions:

Q1: What is the LTC4050EMS-4.1#PBF? A1: The LTC4050EMS-4.1#PBF is a high-performance, standalone linear charger for single-cell lithium-ion batteries.

Q2: What is the input voltage range for the LTC4050EMS-4.1#PBF? A2: The input voltage range is from 4.75V to 6V.

Q3: What is the maximum charge current supported by LTC4050EMS-4.1#PBF? A3: The maximum charge current is 800mA.

Q4: Can the LTC4050EMS-4.1#PBF charge other types of batteries apart from lithium-ion? A4: No, it is specifically designed for charging single-cell lithium-ion batteries.

Q5: Does the LTC4050EMS-4.1#PBF have built-in thermal regulation? A5: Yes, it has a thermal regulation feature that reduces the charge current if the IC temperature exceeds a certain threshold.

Q6: What is the purpose of the PROG pin on the LTC4050EMS-4.1#PBF? A6: The PROG pin is used to set the charge current limit by connecting an external resistor.

Q7: Can the LTC4050EMS-4.1#PBF operate with a USB power source? A7: Yes, it can be powered from a USB port or any other 5V power source.

Q8: Is there any reverse battery protection in the LTC4050EMS-4.1#PBF? A8: Yes, it has reverse battery protection to prevent damage in case of reverse battery insertion.

Q9: What is the purpose of the STAT pin on the LTC4050EMS-4.1#PBF? A9: The STAT pin provides charging status information, indicating whether the battery is charging, fully charged, or if there is a fault condition.

Q10: Can the LTC4050EMS-4.1#PBF be used in portable electronic devices? A10: Yes, it is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices for charging their lithium-ion batteries.

Please note that these answers are based on general knowledge about the LTC4050EMS-4.1#PBF. For specific technical details and application requirements, it is recommended to refer to the datasheet and consult with the manufacturer or an experienced engineer.