MCP73833T-B6I/UN

Product Overview

• Category: Battery Charger IC
• Use: Charging lithium-ion (Li-Ion) or lithium-polymer (Li-Po) batteries
• Characteristics:
  • Small form factor
  • High charging efficiency
  • Integrated safety features
  • Flexible charging options
• Package: SOT-23-5
• Essence: Efficient and compact battery charger IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.35V to 6V
• Charge Current Range: 15mA to 500mA
• Preconditioning Current: 10% of programmed current
• Charge Termination Options: C/10 or timer
• Battery Temperature Monitoring: Yes
• Reverse Discharge Protection: Yes
• Thermal Regulation: Yes
• Status Output: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply input
2. STAT: Status output pin
3. PROG: Charge current programming pin
4. GND: Ground reference
5. BAT: Battery connection pin

Functional Features

• Integrated reverse discharge protection prevents battery drain when not in use.
• Thermal regulation ensures safe operation by controlling the charging current based on temperature.
• Charge termination options allow for flexible charging methods.
• Battery temperature monitoring ensures safe charging by preventing overheating.
• Status output pin provides charging status indication.

Advantages

• Compact size allows for easy integration into space-constrained designs.
• High charging efficiency reduces energy waste.
• Integrated safety features protect the battery and prevent damage.
• Flexible charging options cater to different battery types and requirements.

Disadvantages

• Limited charge current range may not be suitable for high-capacity batteries.
• SOT-23-5 package may require additional PCB space compared to smaller packages.

Working Principles

The MCP73833T-B6I/UN is a battery charger IC designed for Li-Ion and Li-Po batteries. It utilizes a constant current/constant voltage charging algorithm to efficiently charge the batteries. The charge current can be programmed using an external resistor connected to the PROG pin. The IC monitors the battery temperature and adjusts the charging current accordingly to prevent overheating. It also features reverse discharge protection to prevent battery drain when not in use. The charge termination options, C/10 or timer, ensure that the battery is not overcharged.

Detailed Application Field Plans

The MCP73833T-B6I/UN is suitable for various portable electronic devices powered by Li-Ion or Li-Po batteries. Some potential application fields include:

1. Smartphones and tablets
2. Portable gaming consoles
3. Wearable devices
4. Bluetooth speakers
5. GPS navigation systems
6. Portable medical devices

Detailed and Complete Alternative Models

1. MCP73831T-2ACI/OT: Similar functionality with a different package (SOT-23-6).
2. MCP73832T-2ACI/OT: Similar functionality with a different package (SOT-23-6).
3. MCP73837T-2ACI/OT: Higher charge current range (up to 1000mA) with a different package (SOT-23-6).

(Note: These alternative models are provided as examples and may not cover all available alternatives.)

This entry provides an overview of the MCP73833T-B6I/UN battery charger IC. It includes basic information about the product, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.