BQ24032RHLR

Product Overview

Category

The BQ24032RHLR belongs to the category of battery charge management integrated circuits (ICs).

Use

This IC is primarily used for managing and charging single-cell lithium-ion or lithium-polymer batteries.

Characteristics

• The BQ24032RHLR is a highly efficient and compact charging solution.
• It offers a wide input voltage range, making it suitable for various power sources.
• The IC incorporates multiple safety features to protect the battery during charging.
• It supports USB On-The-Go (OTG) functionality, enabling charging of external devices.
• The BQ24032RHLR has a low quiescent current, ensuring minimal power consumption when not in use.

Package

The BQ24032RHLR is available in a small 20-pin VQFN package, which allows for space-saving integration into electronic devices.

Essence

The essence of the BQ24032RHLR lies in its ability to efficiently manage and charge lithium-ion or lithium-polymer batteries while providing essential safety features.

Packaging/Quantity

The BQ24032RHLR is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charge Voltage Range: 3.5V to 4.44V
• Maximum Charge Current: 1.5A
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 55µA (typical)

Detailed Pin Configuration

The BQ24032RHLR features a 20-pin VQFN package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. STAT: Charging status indicator
4. PG: Power good indicator
5. VBAT: Battery voltage output
6. TS: Temperature sense input
7. ISET: Charge current setting
8. VBUS: USB power input
9. D-: USB data line (negative)
10. D+: USB data line (positive)
11. OTG: USB On-The-Go enable
12. EN2: Enable pin 2
13. EN1: Enable pin 1
14. CE: Charge enable
15. SDA: I2C data line
16. SCL: I2C clock line
17. NTC: Negative temperature coefficient thermistor input
18. SRN: Serial resistor network
19. SRP: Serial resistor network
20. VSS: Ground

Functional Features

The BQ24032RHLR offers the following functional features:

• Integrated battery charging and management
• Programmable charge current
• Thermal regulation for safe charging
• Overvoltage protection
• Overcurrent protection
• Short-circuit protection
• USB OTG support for device charging

Advantages and Disadvantages

Advantages

• High charging efficiency
• Wide input voltage range
• Compact package size
• USB OTG support
• Multiple safety features

Disadvantages

• Limited to single-cell lithium-ion or lithium-polymer batteries
• Requires external components for complete charging solution

Working Principles

The BQ24032RHLR operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion or lithium-polymer batteries. It incorporates a thermal regulation mechanism to prevent overheating during charging. The IC also provides various protection features, such as overvoltage, overcurrent, and short-circuit protection, to safeguard the battery and connected devices.

Detailed Application Field Plans

The BQ24032RHLR is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices. It is also suitable for applications where single-cell lithium-ion or lithium-polymer batteries require efficient and safe charging.

Detailed and Complete Alternative Models

• BQ24032RHLRG4
• BQ24032RHLRG4A
• BQ24032RHLRG4B
• BQ24032RHLRG4C

These alternative models offer similar functionality and characteristics to the BQ24032RHLR, providing flexibility in design and application.

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