BQ24013DRCR

Product Overview

Category

BQ24013DRCR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a battery charger for portable electronic devices.

Characteristics

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 4.2V to 4.5V
• Charging current: Up to 1A
• Standby current: Less than 100µA
• Low-dropout voltage: 200mV at 500mA
• Package type: VSON-10
• Operating temperature range: -40°C to +85°C

Package and Quantity

The BQ24013DRCR is available in a VSON-10 package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 4.2V to 4.5V
• Charging current: Up to 1A
• Standby current: Less than 100µA
• Dropout voltage: 200mV at 500mA
• Charge termination: Automatic
• Safety features: Overvoltage protection, overcurrent protection, thermal shutdown
• Package type: VSON-10
• Operating temperature range: -40°C to +85°C

Pin Configuration

The BQ24013DRCR has the following pin configuration:

```

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| | --| EN | --| STAT | --| PG | --| GND | --| VBAT | --| VBUS | --| TS | --| SRP | --| SRN | |___________| ```

Functional Features

1. Enable (EN) Pin: This pin is used to enable or disable the charging function of the IC.
2. Status (STAT) Pin: Provides information about the charging status, such as charging in progress, charge complete, or fault conditions.
3. Power Good (PG) Pin: Indicates whether the input power source is sufficient for charging.
4. VBAT Pin: Connects to the battery positive terminal and provides the charging current.
5. VBUS Pin: Connects to the input power source.
6. Thermal Shutdown (TS) Pin: Protects the IC from excessive temperature by shutting down the charging process.
7. System Reset Protection (SRP) Pin: Ensures that the system is not powered until the battery voltage reaches a safe level.
8. System Reset Negative (SRN) Pin: Provides a negative voltage reference for the SRP pin.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Automatic charge termination prevents overcharging and extends battery life.
• Low-dropout voltage ensures efficient charging even with low input voltages.
• Safety features protect the battery and the IC from damage.

Disadvantages

• Limited output voltage range may not be suitable for all battery types.
• The package type may require specialized equipment for soldering.

Working Principles

The BQ24013DRCR operates as a linear charger for single-cell lithium-ion or lithium-polymer batteries. It uses a constant-current/constant-voltage charging algorithm to ensure optimal charging efficiency. The IC monitors the battery voltage and adjusts the charging current accordingly. Once the battery reaches the specified voltage, the charging process is automatically terminated to prevent overcharging.

Application Field Plans

The BQ24013DRCR is commonly used in various portable electronic devices, including smartphones, tablets, digital cameras, and portable media players. Its compact size, wide input voltage range, and safety features make it suitable for a wide range of battery charging applications.

Alternative Models

1. BQ24014DRCR: Similar to BQ24013DRCR but with additional power path management feature.
2. BQ24015DRCR: Higher charging current capability (up to 1.5A) compared to BQ24013DRCR.
3. BQ24016DRCR: Provides an additional USB detection feature for improved compatibility.

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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