LTC4058XEDD-4.2#PBF
Product Overview
Category
The LTC4058XEDD-4.2#PBF belongs to the category of battery charger ICs.
Use
This product is primarily used for charging lithium-ion batteries.
Characteristics
- Input Voltage Range: 4.5V to 6.5V
- Output Voltage: 4.2V
- Charging Current: Up to 800mA
- Low Dropout Voltage: 300mV at 500mA
- Programmable Charge Current Limit
- Automatic Recharge
- Thermal Regulation Maximizes Charging Rate without Risk of Overheating
- Reverse Battery Protection
- Under-Voltage Lockout
- Soft-Start Limits Inrush Current
- Status Indication
Package
The LTC4058XEDD-4.2#PBF comes in a small DFN (Dual Flat No-Lead) package.
Essence
This battery charger IC is designed to provide efficient and reliable charging for lithium-ion batteries.
Packaging/Quantity
The LTC4058XEDD-4.2#PBF is typically packaged in reels and available in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 6.5V
- Output Voltage: 4.2V ±1%
- Charging Current: Up to 800mA
- Dropout Voltage: 300mV at 500mA
- Charge Termination: C/10
- Preconditioning: 10% of Full-Scale Current
- Charge Current Accuracy: ±5%
- Operating Temperature Range: -40°C to 85°C
- Storage Temperature Range: -65°C to 125°C
Detailed Pin Configuration
The LTC4058XEDD-4.2#PBF has the following pin configuration:
- VIN - Input Voltage
- GND - Ground
- PROG - Charge Current Programming Pin
- STAT - Status Indicator Output
- BAT - Battery Connection
Functional Features
- Programmable charge current limit allows flexibility in charging different battery capacities.
- Automatic recharge feature ensures continuous charging when the battery voltage drops below a certain threshold.
- Thermal regulation maximizes the charging rate without risking overheating.
- Reverse battery protection prevents damage to the charger and battery in case of reverse polarity connection.
- Under-voltage lockout protects the battery from being charged when the input voltage is too low.
- Soft-start limits inrush current during initial power-up, preventing excessive current flow.
Advantages and Disadvantages
Advantages
- Wide input voltage range allows compatibility with various power sources.
- High charging current capability enables faster charging times.
- Programmable charge current limit provides flexibility for different battery capacities.
- Automatic recharge feature ensures uninterrupted charging.
- Thermal regulation prevents overheating and extends battery life.
- Reverse battery protection safeguards against accidental reverse polarity connection.
- Under-voltage lockout protects the battery from damage due to low input voltage.
- Soft-start feature reduces inrush current during power-up.
Disadvantages
- Limited output voltage options (fixed at 4.2V).
- May require additional external components for specific applications.
Working Principles
The LTC4058XEDD-4.2#PBF operates by regulating the charging current and voltage to safely charge lithium-ion batteries. It utilizes a programmable charge current limit to accommodate different battery capacities. The automatic recharge feature ensures continuous charging by monitoring the battery voltage and initiating recharge when it drops below a specified threshold. Thermal regulation optimizes the charging rate while preventing overheating. The IC also incorporates reverse battery protection, under-voltage lockout, and soft-start features to enhance safety and reliability.
Detailed Application Field Plans
The LTC4058XEDD-4.2#PBF is suitable for a wide range of applications, including: 1. Portable electronic devices 2. Wireless communication devices 3. Medical equipment 4. Industrial instrumentation 5. Power tools 6. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC4058XEDD-4.2#PBF include: 1. MCP73831 2. MAX1555 3. BQ24075
These alternatives provide comparable features and can be considered based on specific application requirements.
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技術ソリューションにおける LTC4058XEDD-4.2#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 LTC4058XEDD-4.2#PBF in technical solutions:
Q: What is the LTC4058XEDD-4.2#PBF? A: The LTC4058XEDD-4.2#PBF is a specific model of a battery charger IC.
Q: What is the input voltage range for LTC4058XEDD-4.2#PBF? A: The input voltage range for LTC4058XEDD-4.2#PBF is typically between 4.75V and 6V.
Q: What is the output voltage of LTC4058XEDD-4.2#PBF? A: The output voltage of LTC4058XEDD-4.2#PBF is fixed at 4.2V.
Q: Can LTC4058XEDD-4.2#PBF charge multiple batteries simultaneously? A: No, LTC4058XEDD-4.2#PBF is designed to charge a single lithium-ion or lithium-polymer battery.
Q: What is the maximum charging current supported by LTC4058XEDD-4.2#PBF? A: The maximum charging current supported by LTC4058XEDD-4.2#PBF is typically 800mA.
Q: Does LTC4058XEDD-4.2#PBF have built-in overvoltage protection? A: Yes, LTC4058XEDD-4.2#PBF has built-in overvoltage protection to prevent damage to the battery.
Q: Can I use LTC4058XEDD-4.2#PBF to charge other types of batteries? A: No, LTC4058XEDD-4.2#PBF is specifically designed for lithium-ion and lithium-polymer batteries.
Q: Does LTC4058XEDD-4.2#PBF have a thermal shutdown feature? A: Yes, LTC4058XEDD-4.2#PBF has a thermal shutdown feature to protect the IC from overheating.
Q: What is the typical efficiency of LTC4058XEDD-4.2#PBF? A: The typical efficiency of LTC4058XEDD-4.2#PBF is around 85%.
Q: Can I use LTC4058XEDD-4.2#PBF in portable electronic devices? A: Yes, LTC4058XEDD-4.2#PBF is commonly used in portable electronic devices like smartphones, tablets, and wearable devices.
Please note that these answers are based on general information about the LTC4058XEDD-4.2#PBF and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed technical specifications and guidelines.