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LTC4095EDC

LTC4095EDC

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger and Power Manager

Characteristics: - High Efficiency - Wide Input Voltage Range - Programmable Charging Current - Integrated PowerPath Control - Low Quiescent Current - Small Package Size

Package: DFN-12 (3mm x 4mm)

Essence: The LTC4095EDC is a versatile battery charger and power manager IC designed for portable electronic devices. It provides efficient charging, power management, and protection features in a compact package.

Packaging/Quantity: The LTC4095EDC is available in a DFN-12 package and is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Charging Current Range: Up to 1.5A
  • Maximum System Load Current: Up to 2.5A
  • Operating Temperature Range: -40°C to 85°C
  • Battery Float Voltage Range: 3.6V to 4.4V
  • Battery Charge Termination Voltage: Programmable
  • Quiescent Current: 50µA (typical)

Detailed Pin Configuration

The LTC4095EDC has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. BAT: Battery Connection
  5. PROG: Charging Current Programming
  6. STAT: Status Indicator
  7. CE: Enable Pin
  8. ISET: System Load Current Programming
  9. TS: Thermal Shutdown
  10. INTVCC: Internal Voltage Regulator
  11. SDA: I2C Serial Data
  12. SCL: I2C Serial Clock

Functional Features

  1. PowerPath Control: The LTC4095EDC allows simultaneous charging of the battery and powering the system from an external power source.
  2. Battery Charger: It provides a programmable charging current to efficiently charge the connected battery.
  3. System Load Management: The IC regulates the output voltage to power the system load while ensuring proper battery charging.
  4. Status Indication: The STAT pin provides information about the charging status, fault conditions, and power source detection.
  5. Thermal Shutdown Protection: The TS pin monitors the temperature and shuts down the device in case of overheating.

Advantages and Disadvantages

Advantages: - High efficiency charging - Wide input voltage range - Compact package size - Programmable charging current - Integrated power management features

Disadvantages: - Limited maximum charging current (up to 1.5A) - Requires external components for complete functionality

Working Principles

The LTC4095EDC operates by utilizing a combination of power management techniques. It employs a PowerPath control algorithm to manage the power flow between the input source, battery, and system load. The IC regulates the charging current to efficiently charge the battery while providing power to the system load. It also incorporates thermal shutdown protection to prevent damage due to excessive heat.

Detailed Application Field Plans

The LTC4095EDC is suitable for various portable electronic devices that require battery charging and power management capabilities. Some potential application fields include: - Smartphones and tablets - Portable medical devices - Wearable electronics - Handheld gaming consoles - GPS navigation systems

Detailed and Complete Alternative Models

  1. LTC4095EDE: Similar to LTC4095EDC but available in a DFN-16 package.
  2. LTC4095EDD: Similar to LTC4095EDC but available in a DFN-10 package.
  3. LTC4095EDF: Similar to LTC4095EDC but with additional fault protection features.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4095EDC i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4095EDC in technical solutions:

  1. Q: What is LTC4095EDC? A: LTC4095EDC is a high-efficiency, standalone power manager IC designed for charging and managing single-cell lithium-ion/polymer batteries.

  2. Q: What is the input voltage range supported by LTC4095EDC? A: LTC4095EDC supports an input voltage range of 4.95V to 6.5V.

  3. Q: Can LTC4095EDC charge multiple batteries simultaneously? A: No, LTC4095EDC is designed to charge a single-cell lithium-ion/polymer battery at a time.

  4. Q: What is the maximum charge current supported by LTC4095EDC? A: The maximum charge current supported by LTC4095EDC is programmable up to 1.2A.

  5. Q: Does LTC4095EDC support USB input? A: Yes, LTC4095EDC supports USB input and can be used with a USB power source.

  6. Q: Can LTC4095EDC operate as a standalone device? A: Yes, LTC4095EDC is a standalone power manager IC that can operate without the need for external microcontrollers.

  7. Q: What is the purpose of the thermal regulation feature in LTC4095EDC? A: The thermal regulation feature in LTC4095EDC helps prevent overheating by reducing the charge current when the IC temperature exceeds a certain threshold.

  8. Q: Can LTC4095EDC be used in portable devices? A: Yes, LTC4095EDC is suitable for use in portable devices such as smartphones, tablets, and wearable devices.

  9. Q: Does LTC4095EDC support battery temperature monitoring? A: Yes, LTC4095EDC includes a battery temperature monitor that can be used to prevent charging at extreme temperatures.

  10. Q: What are the key advantages of using LTC4095EDC in technical solutions? A: Some key advantages of using LTC4095EDC include high efficiency, small footprint, integrated power management features, and flexibility in charging parameters.

Please note that these answers are general and may vary depending on specific application requirements.