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LT3652IDD#PBF
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LT3652IDD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - High Efficiency - Wide Input Voltage Range - Programmable Charging Current - Thermal Regulation for Optimal Performance - Automatic Recharge - Reverse Battery Protection

Package: 10-Lead, 3mm × 3mm DFN

Essence: The LT3652IDD#PBF is a high-efficiency battery charger IC designed for various portable devices. It offers programmable charging current and thermal regulation to ensure optimal performance and safety.

Packaging/Quantity: The LT3652IDD#PBF is available in a 10-Lead, 3mm × 3mm DFN package. The quantity per package may vary depending on the supplier.

Specifications

  • Input Voltage Range: 4V to 45V
  • Charging Current Range: Up to 2A
  • Float Voltage: Programmable from 4.1V to 14.4V
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LT3652IDD#PBF has the following pin configuration:

  1. VIN: Input Voltage Pin
  2. GND: Ground Pin
  3. ISET: Charging Current Programming Pin
  4. PROG: Float Voltage Programming Pin
  5. STAT: Status Indicator Pin
  6. TS: Thermal Shutdown Pin
  7. BAT: Battery Connection Pin
  8. ILIM: Input Current Limit Programming Pin
  9. VFB: Feedback Voltage Pin
  10. VOUT: Output Voltage Pin

Functional Features

  • High Efficiency: The LT3652IDD#PBF offers high efficiency, minimizing power loss during the charging process.
  • Wide Input Voltage Range: It can accept input voltages ranging from 4V to 45V, making it suitable for various power sources.
  • Programmable Charging Current: The charging current can be programmed to meet the requirements of different battery types and capacities.
  • Thermal Regulation: The IC incorporates thermal regulation to prevent overheating and ensure safe operation.
  • Automatic Recharge: It automatically restarts the charging process if the battery voltage drops below a certain threshold.
  • Reverse Battery Protection: The LT3652IDD#PBF provides protection against reverse battery connection, preventing damage to the charger and the battery.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Wide input voltage range allows compatibility with various power sources - Programmable charging current accommodates different battery types and capacities - Thermal regulation ensures safe operation - Automatic recharge feature enhances convenience - Reverse battery protection prevents damage

Disadvantages: - None identified

Working Principles

The LT3652IDD#PBF operates as a constant-current/constant-voltage battery charger. It uses a switching regulator to efficiently convert the input voltage to the desired charging voltage. The charging current is programmable through the ISET pin, allowing flexibility for different battery capacities. The IC also includes thermal regulation to maintain optimal performance and protect against overheating.

Detailed Application Field Plans

The LT3652IDD#PBF is widely used in various portable devices that require battery charging capabilities. Some common application fields include: - Smartphones and tablets - Portable audio players - GPS devices - Portable medical equipment - Handheld gaming consoles

Detailed and Complete Alternative Models

  1. LT3652IDD#TRPBF: Similar to LT3652IDD#PBF but available in tape and reel packaging.
  2. LT3652IDD#TRMPBF: Similar to LT3652IDD#PBF but available in tape and reel packaging with moisture sensitivity level 2.

These alternative models offer similar functionality and characteristics to the LT3652IDD#PBF, providing options for different packaging requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT3652IDD#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LT3652IDD#PBF in technical solutions:

  1. Q: What is the input voltage range for LT3652IDD#PBF? A: The input voltage range for LT3652IDD#PBF is typically between 4.95V and 32V.

  2. Q: What is the maximum charging current supported by LT3652IDD#PBF? A: LT3652IDD#PBF can support a maximum charging current of up to 2A.

  3. Q: Can LT3652IDD#PBF charge multiple batteries simultaneously? A: No, LT3652IDD#PBF is designed to charge a single battery at a time.

  4. Q: Is LT3652IDD#PBF suitable for charging lithium-ion batteries? A: Yes, LT3652IDD#PBF is specifically designed for charging lithium-ion batteries.

  5. Q: Does LT3652IDD#PBF have built-in overvoltage protection? A: Yes, LT3652IDD#PBF incorporates overvoltage protection to prevent damage to the battery.

  6. Q: Can LT3652IDD#PBF operate in a wide temperature range? A: Yes, LT3652IDD#PBF is designed to operate in a temperature range of -40°C to 85°C.

  7. Q: Does LT3652IDD#PBF support constant current and constant voltage charging? A: Yes, LT3652IDD#PBF supports both constant current and constant voltage charging modes.

  8. Q: What is the typical efficiency of LT3652IDD#PBF? A: The typical efficiency of LT3652IDD#PBF is around 90%.

  9. Q: Can LT3652IDD#PBF be used in portable devices? A: Yes, LT3652IDD#PBF is suitable for use in portable devices due to its compact size and low power consumption.

  10. Q: Does LT3652IDD#PBF have short-circuit protection? A: Yes, LT3652IDD#PBF incorporates short-circuit protection to prevent damage to the charging circuitry.

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