BQ24013DRCRG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ24013DRCRG4 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging single-cell lithium-ion or lithium-polymer batteries in portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 3.5V to 4.44V
• Charging current: Up to 1A
• Programmable charge termination current
• Thermal regulation and protection
• Reverse leakage protection
• Small form factor package

Package and Quantity

The BQ24013DRCRG4 is available in a small 10-pin VSON package. It is typically sold in reels with a quantity of 2500 units per reel.

Specifications

• Input voltage range: 4.35V to 6.45V
• Precharge current: 100mA
• Charge voltage accuracy: ±0.5%
• Charge current accuracy: ±5%
• Termination current accuracy: ±5%
• Operating temperature range: -40°C to +85°C

Pin Configuration

The BQ24013DRCRG4 has the following pin configuration:

1. EN/STAT: Enable/Input status
2. PG: Power good output
3. TS: Temperature sense input
4. BAT: Battery terminal
5. GND: Ground
6. VSS: Negative supply voltage
7. ISET: Charge current programming
8. PROG: Charge termination current programming
9. VDD: Positive supply voltage
10. IN: Input voltage

Functional Features

• Integrated power FETs for charging control
• Automatic power source selection (USB or AC adapter)
• Programmable charge termination current
• Thermal regulation and protection
• Reverse leakage protection
• Power good output for system status indication

Advantages and Disadvantages

Advantages

• Compact size and low profile package
• Wide input voltage range allows flexibility in power source selection
• Accurate charging voltage and current control
• Built-in thermal regulation and protection ensure safe operation
• Reverse leakage protection prevents battery discharge

Disadvantages

• Limited to single-cell lithium-ion or lithium-polymer battery charging applications
• Charge current accuracy may not be suitable for high precision requirements

Working Principles

The BQ24013DRCRG4 operates by regulating the charging voltage and current supplied to the connected lithium-ion or lithium-polymer battery. It automatically selects the power source (USB or AC adapter) and adjusts the charging parameters accordingly. The integrated power FETs control the charging process, while the thermal regulation protects against overheating. The charge termination current can be programmed to suit specific battery requirements.

Application Field Plans

The BQ24013DRCRG4 is widely used in various portable electronic devices that require single-cell lithium-ion or lithium-polymer battery charging. Some of the common application fields include:

1. Smartphones
2. Tablets
3. Wearable devices (smartwatches, fitness trackers)
4. Portable medical devices
5. Portable audio players

Alternative Models

For those seeking alternatives to the BQ24013DRCRG4, the following models provide similar functionality:

1. MCP73831T-2ACI/OT
2. MAX1555EZK+T
3. LTC4054LES5-4.2#TRMPBF
4. TPS2513EVM-001

These alternative models offer comparable features and are commonly used in battery charging applications.

In conclusion, the BQ24013DRCRG4 is a versatile integrated circuit designed for charging single-cell lithium-ion or lithium-polymer batteries. Its compact size, accurate charging control, and built-in protection features make it an ideal choice for various portable electronic devices.