MCP73213T-A61I/MF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger Controller
• Characteristics: High-performance, compact size, low power consumption
• Package: 20-Lead QFN (Quad Flat No-Lead)
• Essence: Efficient and reliable battery charging control
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 6.5V
• Charging Current Range: 100mA to 1.5A
• Programmable Charge Termination Current: 10% to 50% of the programmed charge current
• Programmable Charge Termination Timer: 1 to 8 hours
• Battery Temperature Monitoring: -40°C to +85°C
• Thermal Regulation: Prevents overheating during charging
• Reverse Discharge Protection: Prevents battery discharge when input power is removed
• Under Voltage Lockout (UVLO): Ensures proper operation under low voltage conditions

Detailed Pin Configuration

The MCP73213T-A61I/MF has a total of 20 pins. The pin configuration is as follows:

1. VDD - Power Supply Input
2. GND - Ground
3. STAT - Status Output
4. PG - Power Good Output
5. TS - Thermistor Input
6. PROG - Programming Input
7. ISET - Charge Current Setting Input
8. NTC - Negative Temperature Coefficient Input
9. VBAT - Battery Voltage Sense Input
10. VSS - Ground
11. VSS - Ground
12. VSS - Ground
13. VSS - Ground
14. VSS - Ground
15. VSS - Ground
16. VSS - Ground
17. VSS - Ground
18. VSS - Ground
19. VSS - Ground
20. VDD - Power Supply Input

Functional Features

• Accurate and reliable battery charging control
• Programmable charge termination current and timer for flexibility
• Battery temperature monitoring for safe operation
• Thermal regulation to prevent overheating
• Reverse discharge protection to avoid battery drain
• Under voltage lockout for proper functioning under low voltage conditions

Advantages and Disadvantages

Advantages

• High-performance charging control
• Compact size for space-constrained applications
• Low power consumption for energy efficiency
• Flexible programming options for customization
• Reliable and efficient battery charging

Disadvantages

• Limited input voltage range (4.5V to 6.5V)
• Not suitable for high-power charging applications

Working Principles

The MCP73213T-A61I/MF is a battery charger controller IC that operates by regulating the charging current and termination conditions. It monitors the battery voltage, temperature, and charging time to ensure safe and efficient charging. The programmable charge termination current and timer allow customization based on specific battery requirements. The IC also incorporates thermal regulation and reverse discharge protection to enhance safety and prolong battery life.

Detailed Application Field Plans

The MCP73213T-A61I/MF is widely used in various battery-powered applications, including:

1. Portable electronic devices such as smartphones, tablets, and digital cameras
2. Wearable devices like smartwatches and fitness trackers
3. Wireless communication devices such as Bluetooth headsets and IoT devices
4. Medical devices like portable monitors and insulin pumps
5. Industrial equipment and instrumentation requiring battery charging control

Detailed and Complete Alternative Models

1. MCP73871: Similar battery charger controller with a wider input voltage range (3.75V to 6V) and higher charging current capability (up to 2A).
2. MCP73242: Compact battery charger controller with integrated power path management and USB On-The-Go (OTG) support.
3. MCP73113: Low-cost battery charger controller with basic charging control features suitable for simple applications.

These alternative models offer different features and specifications to cater to diverse application requirements.

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