Tingnan ang mga detalye para sa mga detalye ng produkto.
LTC4050EMS-4.2#PBF
Product Overview
Category
The LTC4050EMS-4.2#PBF belongs to the category of battery charger ICs.
Use
This product is primarily used for charging lithium-ion batteries.
Characteristics
- The LTC4050EMS-4.2#PBF is a high-performance, standalone linear charger for single-cell lithium-ion batteries.
- It offers a constant-current/constant-voltage charge algorithm with a maximum charge current of 800mA.
- The charger operates from a USB port or an AC wall adapter and provides accurate charge termination.
- It includes an automatic recharge feature that starts a new charge cycle if the battery voltage falls below a preset threshold.
- The device also features a programmable charge current limit, making it suitable for a wide range of battery capacities.
Package
The LTC4050EMS-4.2#PBF comes in a small MSOP-10 package.
Essence
The essence of this product lies in its ability to efficiently and safely charge lithium-ion batteries.
Packaging/Quantity
The LTC4050EMS-4.2#PBF is typically sold in reels, with 250 units per reel.
Specifications
- Input Voltage Range: 4.75V to 6V
- Charge Current Range: Up to 800mA
- Charge Voltage: 4.2V
- Charge Termination: ±1% Accuracy
- Automatic Recharge Threshold: 100mV
- Programmable Charge Current Limit: Up to 800mA
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The LTC4050EMS-4.2#PBF has the following pin configuration:
- VIN (Input Voltage)
- GND (Ground)
- PROG (Charge Current Programming)
- STAT (Charge Status Indicator)
- CE (Charge Enable)
- TS (Thermal Shutdown)
- BAT (Battery Connection)
- VOUT (Output Voltage)
- ISET (Current Limit Programming)
- FLT (Fault Indicator)
Functional Features
- Constant-current/constant-voltage charge algorithm
- Automatic recharge feature for battery voltage monitoring
- Programmable charge current limit for flexibility
- Charge status indicator for visual feedback
- Thermal shutdown protection for safety
- Fault indicator for easy troubleshooting
Advantages and Disadvantages
Advantages
- High-performance charging with accurate termination
- Wide input voltage range for versatile use
- Small package size for space-constrained applications
- Programmable charge current limit for various battery capacities
- Automatic recharge feature ensures continuous operation
Disadvantages
- Limited to single-cell lithium-ion batteries
- Requires external components for complete charging circuit
Working Principles
The LTC4050EMS-4.2#PBF operates on a constant-current/constant-voltage charging principle. It starts by delivering a constant current to the battery until the voltage reaches the programmed charge voltage of 4.2V. Once this voltage is reached, the charger switches to a constant-voltage mode, maintaining the battery voltage at 4.2V while reducing the charge current. The charge cycle terminates when the current drops below a preset threshold, indicating that the battery is fully charged.
Detailed Application Field Plans
The LTC4050EMS-4.2#PBF finds application in various fields, including: 1. Portable electronic devices such as smartphones, tablets, and portable media players. 2. Wireless headsets and earbuds. 3. Wearable devices like smartwatches and fitness trackers. 4. Portable medical devices. 5. Handheld gaming consoles. 6. GPS navigation systems. 7. Digital cameras and camcorders. 8. Portable power banks.
Detailed and Complete Alternative Models
- MCP73831: A similar linear charger IC with a charge current of up to 500mA.
- BQ24075: A switch-mode charger IC with integrated power path management.
- MAX1555: A compact linear charger IC with an integrated pass transistor.
- LT3652: A high-efficiency, multi-chemistry battery charger IC with power tracking.
These alternative models offer different features and specifications, providing options for various charging requirements.
Word count: 570 words
Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng LTC4050EMS-4.2#PBF sa mga teknikal na solusyon
Sure! Here are 10 common questions and answers related to the application of LTC4050EMS-4.2#PBF in technical solutions:
Q: What is the LTC4050EMS-4.2#PBF? A: The LTC4050EMS-4.2#PBF is a high-performance standalone linear charger for single-cell lithium-ion batteries.
Q: What is the input voltage range for the LTC4050EMS-4.2#PBF? A: The input voltage range is from 4.75V to 6V.
Q: What is the maximum charge current supported by LTC4050EMS-4.2#PBF? A: The maximum charge current is 800mA.
Q: Can I use the LTC4050EMS-4.2#PBF to charge other types of batteries? A: No, this charger is specifically designed for single-cell lithium-ion batteries.
Q: Does the LTC4050EMS-4.2#PBF have built-in thermal regulation? A: Yes, it has a thermal regulation feature that reduces the charge current to prevent overheating.
Q: Can I use the LTC4050EMS-4.2#PBF in portable devices? A: Yes, it is suitable for various portable applications such as smartphones, tablets, and portable medical devices.
Q: Does the LTC4050EMS-4.2#PBF support USB charging? A: Yes, it supports USB input for charging.
Q: Is there any indication of the charging status on the LTC4050EMS-4.2#PBF? A: Yes, it has an integrated status pin that provides charging status information.
Q: Can I use the LTC4050EMS-4.2#PBF in a fast-charging application? A: No, this charger is not designed for fast charging. It provides a safe and reliable standard charging solution.
Q: What are the recommended external components to use with the LTC4050EMS-4.2#PBF? A: The datasheet of LTC4050EMS-4.2#PBF provides a list of recommended external components, including resistors, capacitors, and diodes, that should be used for optimal performance.
Please note that these answers are based on general information about the LTC4050EMS-4.2#PBF. For specific technical details and application requirements, it is always recommended to refer to the datasheet and consult with the manufacturer or technical support.