Linear Technology/QD Devices
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LTC4070IMS8E#PBF
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LTC4070IMS8E#PBF

Product Overview

The LTC4070IMS8E#PBF belongs to the category of battery charger ICs. It is designed for use in portable and battery-powered applications, offering characteristics such as high efficiency, small package size, and low quiescent current. The LTC4070IMS8E#PBF comes in an MSOP-8 package and is essential for charging single-cell Li-Ion/Polymer batteries. It is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4V to 6V
  • Charge Current: Programmable up to 100mA
  • Trickle Charge Current: 10% of programmed charge current
  • Battery Float Voltage: 4.2V
  • Quiescent Current: 950nA
  • Thermal Regulation: 100°C
  • Package Type: MSOP-8

Detailed Pin Configuration

  1. VIN - Input Supply Voltage
  2. GND - Ground
  3. PROG - Charge Current Programming Pin
  4. BAT - Battery Connection
  5. TS - Temperature Sense Input
  6. FLT - Fault Output
  7. STAT - Status Output
  8. VOUT - Regulated Output Voltage

Functional Features

  • Programmable Charge Current
  • Thermal Regulation
  • Automatic Recharge
  • Low Battery Disconnect
  • Charge Termination

Advantages and Disadvantages

Advantages

  • Small package size
  • High efficiency
  • Low quiescent current
  • Programmable charge current

Disadvantages

  • Limited to single-cell Li-Ion/Polymer batteries
  • Input voltage range may not be suitable for all applications

Working Principles

The LTC4070IMS8E#PBF operates by regulating the charge current based on the programming at the PROG pin. It features thermal regulation to prevent overheating and includes automatic recharge and low battery disconnect functions to ensure safe and efficient charging of the connected battery.

Detailed Application Field Plans

The LTC4070IMS8E#PBF is ideal for use in various portable and battery-powered applications, including: - Portable medical devices - Wearable electronics - Handheld instruments - IoT devices - Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the LTC4070IMS8E#PBF include: - LTC4071 - MCP73831 - BQ24075

In conclusion, the LTC4070IMS8E#PBF is a versatile battery charger IC suitable for a wide range of portable and battery-powered applications. Its small package size, programmable charge current, and other functional features make it a valuable component in the design of battery charging systems.

Word Count: 398

기술 솔루션에 LTC4070IMS8E#PBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the input voltage range of LTC4070IMS8E#PBF?

    • The input voltage range of LTC4070IMS8E#PBF is 4.95V to 6V.

  2. What is the maximum charge current supported by LTC4070IMS8E#PBF?

    • LTC4070IMS8E#PBF supports a maximum charge current of 100mA.

  3. Can LTC4070IMS8E#PBF be used for solar-powered applications?

    • Yes, LTC4070IMS8E#PBF can be used for solar-powered applications due to its ability to efficiently harvest energy from low-power photovoltaic cells.

  4. What is the typical charge voltage of LTC4070IMS8E#PBF?

    • The typical charge voltage of LTC4070IMS8E#PBF is 4.2V.

  5. Does LTC4070IMS8E#PBF include overvoltage protection?

    • Yes, LTC4070IMS8E#PBF includes overvoltage protection to safeguard the connected battery.

  6. Is LTC4070IMS8E#PBF suitable for charging lithium-ion batteries?

    • Yes, LTC4070IMS8E#PBF is designed for charging single-cell lithium-ion/polymer batteries.

  7. What is the quiescent current of LTC4070IMS8E#PBF?

    • The quiescent current of LTC4070IMS8E#PBF is typically 950nA.

  8. Can LTC4070IMS8E#PBF be used in wearable device applications?

    • Yes, LTC4070IMS8E#PBF's low power consumption and small form factor make it suitable for wearable device applications.

  9. Does LTC4070IMS8E#PBF support battery temperature monitoring?

    • Yes, LTC4070IMS8E#PBF includes a battery temperature monitor for enhanced safety during charging.

  10. What are the typical applications for LTC4070IMS8E#PBF?

    • Typical applications for LTC4070IMS8E#PBF include solar-powered systems, energy harvesting devices, and portable electronics requiring efficient battery charging.