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LTC4066EUF
Product Overview
Category: Integrated Circuit (IC)
Use: Battery Charger
Characteristics: - High efficiency - Compact size - Wide input voltage range - Multiple charging modes - Thermal regulation - Overvoltage protection - Undervoltage lockout - Reverse battery protection
Package: 24-Lead QFN (Quad Flat No-Lead)
Essence: The LTC4066EUF is a high-efficiency battery charger IC designed for portable electronic devices. It provides a compact and reliable solution for charging lithium-ion/polymer batteries.
Packaging/Quantity: The LTC4066EUF is available in a 24-Lead QFN package. The quantity per reel is 2500 units.
Specifications
- Input Voltage Range: 4.35V to 32V
- Charge Current Range: Up to 2A
- Preconditioning Current: 10% of the programmed charge current
- Charge Termination: Programmable
- Float Voltage Accuracy: ±0.5%
- Operating Temperature Range: -40°C to 85°C
Pin Configuration
The LTC4066EUF has a total of 24 pins. Here is the detailed pin configuration:
- VCC
- GND
- PROG
- STAT
- CE
- TS
- ISET
- BAT
- TIMER
- NTC
- ILIM
- SNS
- VREF
- VFB
- VSENSE
- VSS
- VSS
- VSS
- VSS
- VSS
- VSS
- VSS
- VSS
- VSS
Functional Features
- High-efficiency synchronous buck charger
- Programmable charge current and termination
- Automatic recharge
- Thermal regulation for temperature protection
- Overvoltage protection
- Undervoltage lockout
- Reverse battery protection
Advantages and Disadvantages
Advantages: - High charging efficiency - Wide input voltage range allows for versatile applications - Multiple charging modes cater to different battery types - Compact size saves board space - Comprehensive protection features ensure safe charging
Disadvantages: - Limited maximum charge current of 2A - Requires external components for complete functionality
Working Principles
The LTC4066EUF operates as a synchronous buck charger, converting the input voltage to a regulated charging voltage for the connected lithium-ion/polymer battery. It employs a high-efficiency switching regulator to minimize power dissipation and maximize charging efficiency. The charge current and termination can be programmed according to the battery's requirements.
The IC incorporates various protection features such as thermal regulation, overvoltage protection, undervoltage lockout, and reverse battery protection to ensure safe and reliable charging.
Detailed Application Field Plans
The LTC4066EUF is suitable for a wide range of portable electronic devices that require lithium-ion/polymer battery charging. Some potential application fields include:
- Smartphones and tablets
- Portable media players
- Wearable devices
- GPS navigation systems
- Portable medical devices
- Handheld gaming consoles
- Wireless communication devices
Detailed and Complete Alternative Models
- MCP73831 - Microchip Technology
- BQ24075 - Texas Instruments
- MAX1555 - Maxim Integrated
- LT3652 - Analog Devices
- TPS61085 - Texas Instruments
These alternative models offer similar functionalities and are widely used in battery charging applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LTC4066EUF trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LTC4066EUF in technical solutions:
Q: What is LTC4066EUF? A: LTC4066EUF is a high-performance standalone linear charger for single-cell lithium-ion batteries.
Q: What is the input voltage range supported by LTC4066EUF? A: The input voltage range supported by LTC4066EUF is from 4.95V to 32V.
Q: Can LTC4066EUF charge multiple cells in series? A: No, LTC4066EUF is designed to charge a single-cell lithium-ion battery only.
Q: Does LTC4066EUF support fast charging? A: Yes, LTC4066EUF supports fast charging with programmable charge current up to 950mA.
Q: Is LTC4066EUF compatible with different battery chemistries? A: No, LTC4066EUF is specifically designed for lithium-ion batteries and may not be suitable for other chemistries.
Q: Can LTC4066EUF operate in a wide temperature range? A: Yes, LTC4066EUF can operate in a temperature range of -40°C to +85°C.
Q: Does LTC4066EUF provide overvoltage protection? A: Yes, LTC4066EUF provides overvoltage protection to prevent damage to the battery during charging.
Q: Can LTC4066EUF be used in portable devices? A: Yes, LTC4066EUF is suitable for use in portable devices such as smartphones, tablets, and wearable devices.
Q: Does LTC4066EUF have built-in thermal regulation? A: Yes, LTC4066EUF has built-in thermal regulation to prevent overheating during charging.
Q: What is the package type of LTC4066EUF? A: LTC4066EUF is available in a 16-lead QFN (Quad Flat No-Lead) package.