LTC4007EUFD-1#TRPBF
Product Overview
Category
The LTC4007EUFD-1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.
Use
This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, laptops, and portable power banks.
Characteristics
- High efficiency: The LTC4007EUFD-1#TRPBF offers high charging efficiency, ensuring maximum power transfer to the battery.
- Fast charging: It supports fast charging protocols, enabling quick replenishment of the battery.
- Safety features: The IC incorporates multiple safety mechanisms to prevent overcharging, overcurrent, and overheating, ensuring safe and reliable battery charging.
- Compact package: The LTC4007EUFD-1#TRPBF comes in a small form factor package, making it suitable for space-constrained applications.
- Low standby power consumption: It has low quiescent current, minimizing power loss when not actively charging.
Package and Quantity
The LTC4007EUFD-1#TRPBF is available in a 16-pin QFN (Quad Flat No-Lead) package. It is typically sold in reels containing a specified quantity, usually around 2500 units per reel.
Specifications
- Input voltage range: 4.5V to 36V
- Charging current: Up to 2A
- Charging voltage: Programmable from 3.6V to 4.4V
- Operating temperature range: -40°C to 85°C
- Efficiency: Up to 95%
- Standby current: Less than 10µA
Pin Configuration
The LTC4007EUFD-1#TRPBF features a 16-pin QFN package with the following pin configuration:
- VIN: Input voltage
- GND: Ground reference
- VCC: Supply voltage for internal circuitry
- STAT: Charging status indicator output
- PROG: Programming pin for setting charging voltage
- ISET: Current limit programming pin
- TS: Thermistor input for temperature monitoring
- BAT: Battery connection terminal
- ILIM: Current limit programming pin
- NTC: Negative temperature coefficient thermistor input
- SCL: Serial clock input for I2C communication
- SDA: Serial data input/output for I2C communication
- INTVCC: Interrupt output
- FLT: Fault indicator output
- NC: No connect
- NC: No connect
Functional Features
- Constant current/constant voltage (CC/CV) charging algorithm
- Programmable charging voltage and current limit
- Thermal regulation to prevent overheating
- Automatic recharge feature after battery discharge
- Charge termination based on multiple criteria (voltage, current, time)
- I2C interface for advanced control and monitoring capabilities
Advantages and Disadvantages
Advantages
- High charging efficiency ensures optimal use of power source.
- Fast charging capability reduces charging time for improved user convenience.
- Comprehensive safety features protect the battery and device from damage.
- Compact package allows for integration in space-limited designs.
- Low standby power consumption minimizes energy wastage.
Disadvantages
- Requires additional external components for complete charging system implementation.
- Limited availability of alternative models from other manufacturers.
Working Principles
The LTC4007EUFD-1#TRPBF operates based on a CC/CV charging algorithm. It starts by delivering a constant current to the battery until its voltage reaches the programmed charging voltage. Once the battery voltage reaches this level, the IC switches to a constant voltage mode, maintaining the voltage at the programmed level while reducing the charging current. This ensures a controlled and safe charging process.
The IC continuously monitors the battery voltage, charging current, and temperature to prevent overcharging, overcurrent, and overheating. It terminates the charging process when any of the predefined criteria are met, ensuring the battery is not subjected to excessive stress.
Detailed Application Field Plans
The LTC4007EUFD-1#TRPBF finds applications in various portable electronic devices that utilize lithium-ion batteries. Some specific application fields include:
- Smartphones and tablets: Enables fast and efficient charging for extended battery life.
- Laptops and ultrabooks: Provides a reliable charging solution for portable computing devices.
- Portable power banks: Facilitates quick replenishment of power bank batteries for on-the-go charging.
- Wearable devices: Ensures safe and optimized charging for smartwatches, fitness trackers, etc.
- Industrial equipment: Supports battery charging in ruggedized devices used in industrial environments.
Alternative Models
While the LTC4007EUFD-1#TRPBF is a widely used and trusted IC for battery charging applications,
Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LTC4007EUFD-1#TRPBF :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of LTC4007EUFD-1#TRPBF in technical solutions:
Q1: What is LTC4007EUFD-1#TRPBF? A1: LTC4007EUFD-1#TRPBF is a specific model number for a battery charger IC manufactured by Linear Technology (now part of Analog Devices). It is designed for charging single-cell lithium-ion/polymer batteries.
Q2: What is the input voltage range for LTC4007EUFD-1#TRPBF? A2: The input voltage range for LTC4007EUFD-1#TRPBF is typically between 4.5V and 32V.
Q3: What is the maximum charge current supported by LTC4007EUFD-1#TRPBF? A3: LTC4007EUFD-1#TRPBF can support a maximum charge current of up to 4A.
Q4: Can LTC4007EUFD-1#TRPBF charge multiple batteries simultaneously? A4: No, LTC4007EUFD-1#TRPBF is designed to charge a single-cell lithium-ion/polymer battery at a time.
Q5: Does LTC4007EUFD-1#TRPBF have built-in thermal protection? A5: Yes, LTC4007EUFD-1#TRPBF incorporates thermal protection features to prevent overheating during charging.
Q6: What is the typical efficiency of LTC4007EUFD-1#TRPBF? A6: The typical efficiency of LTC4007EUFD-1#TRPBF is around 90%.
Q7: Can LTC4007EUFD-1#TRPBF be used for fast charging applications? A7: Yes, LTC4007EUFD-1#TRPBF supports fast charging with programmable charge current and voltage limits.
Q8: Does LTC4007EUFD-1#TRPBF have a built-in battery voltage monitor? A8: Yes, LTC4007EUFD-1#TRPBF includes a precision voltage monitor for accurate battery voltage measurement.
Q9: Can LTC4007EUFD-1#TRPBF be used in portable devices? A9: Yes, LTC4007EUFD-1#TRPBF is suitable for various portable applications such as smartphones, tablets, and portable medical devices.
Q10: What are the recommended external components to use with LTC4007EUFD-1#TRPBF? A10: The datasheet of LTC4007EUFD-1#TRPBF provides detailed information on the recommended external components, including input capacitors, resistors, and diodes, for proper operation and performance.
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 accurate and up-to-date information.