MCP73871-3CCI/ML
Product Category
The MCP73871-3CCI/ML belongs to the category of battery charger ICs.
Basic Information Overview
- Use: The MCP73871-3CCI/ML is used for charging single-cell lithium-ion/polymer batteries.
- Characteristics: It features a constant current/constant voltage charge algorithm with selectable pre-conditioning and charge termination. It also includes thermal regulation and safety timers for reliable charging.
- Package: The MCP73871-3CCI/ML is available in a 10-lead MSOP package.
- Essence: This product is essential for safely and efficiently charging lithium-ion/polymer batteries in various applications.
- Packaging/Quantity: It is typically available in reels of 3000 units.
Specifications
- Input Voltage: 4.5V to 6.0V
- Charge Current: Up to 1A
- Termination Current: 1/10th of the programmed maximum charge current
- Preconditioning Current: 10% of the programmed maximum charge current
- Thermal Regulation: ±5°C
- Safety Timers: 8 Hours (Charge Safety Timer), 32 Hours (Charge Termination Timer)
Detailed Pin Configuration
The MCP73871-3CCI/ML has a 10-lead MSOP package with the following pin configuration: 1. VSS - Ground 2. PROG - Charge Current Programming Pin 3. TS - Temperature Sense Input 4. CE - Charge Enable Input 5. STAT - Status Output 6. PG - Power Good Output 7. VDD - Supply Voltage Input 8. VBAT - Battery Connection 9. DP/DM - USB D+ and D- Data Line Connections 10. ILIM - Input Source Limit
Functional Features
- Constant Current/Constant Voltage Charging
- Selectable Pre-Conditioning
- Selectable Charge Termination
- Thermal Regulation
- Safety Timers
- Automatic Recharge
Advantages and Disadvantages
Advantages: - Efficient charging algorithm - Thermal regulation for safety - Small form factor - Automatic recharge feature
Disadvantages: - Limited to single-cell battery charging - Requires external components for complete charging circuit
Working Principles
The MCP73871-3CCI/ML operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion/polymer batteries. It utilizes a constant current/constant voltage algorithm with additional safety features such as thermal regulation and safety timers.
Detailed Application Field Plans
The MCP73871-3CCI/ML is widely used in portable electronic devices, power banks, handheld instruments, and other battery-powered applications where single-cell lithium-ion/polymer batteries need to be charged reliably and efficiently.
Detailed and Complete Alternative Models
Some alternative models to the MCP73871-3CCI/ML include the LTC4000-1, MAX1811, and BQ24075. These alternatives offer similar functionality and are suitable for charging single-cell lithium-ion/polymer batteries.
This comprehensive entry provides detailed information about the MCP73871-3CCI/ML, covering its category, basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MCP73871-3CCI/ML i tekniska lösningar
Q: What is the maximum input voltage for MCP73871-3CCI/ML? A: The maximum input voltage for MCP73871-3CCI/ML is 6 volts.
Q: What is the maximum charge current for MCP73871-3CCI/ML? A: The maximum charge current for MCP73871-3CCI/ML is 1000 mA.
Q: Can MCP73871-3CCI/ML be used to charge lithium-ion batteries? A: Yes, MCP73871-3CCI/ML is designed to charge single-cell lithium-ion or lithium-polymer batteries.
Q: What is the thermal regulation feature of MCP73871-3CCI/ML? A: MCP73871-3CCI/ML includes thermal regulation to limit the charge current when the junction temperature exceeds a set limit.
Q: Is MCP73871-3CCI/ML suitable for portable applications? A: Yes, MCP73871-3CCI/ML is ideal for portable and handheld devices due to its compact size and low external component count.
Q: Does MCP73871-3CCI/ML support trickle charging? A: Yes, MCP73871-3CCI/ML supports trickle charging to maintain the battery at full capacity.
Q: What is the minimum battery voltage required for MCP73871-3CCI/ML to start charging? A: The minimum battery voltage required for MCP73871-3CCI/ML to start charging is approximately 2.5 volts.
Q: Can MCP73871-3CCI/ML operate with a USB input source? A: Yes, MCP73871-3CCI/ML can operate with a USB input source, making it suitable for a wide range of applications.
Q: What is the typical charge termination method used by MCP73871-3CCI/ML? A: MCP73871-3CCI/ML uses constant-voltage and constant-current charge termination methods to ensure safe and efficient charging.
Q: Are there any specific layout considerations for using MCP73871-3CCI/ML in a design? A: Yes, proper PCB layout and thermal management are important considerations when integrating MCP73871-3CCI/ML into a design to ensure optimal performance and reliability.