Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | bqTINY™ III |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Timer |
| Fault Protection | Over Temperature, Reverse Current, Short Circuit |
| Charge Current - Max | 1.5A |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 16V |
| Interface | USB |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The BQ24032ARHLR is a lithium-ion (Li-ion) and lithium-polymer (Li-Po) linear battery charger with a power path management feature, designed by Texas Instruments. It is suitable for portable devices powered by single-cell Li-ion/Li-Po batteries. This charger is capable of operating in USB and AC adapter modes, providing a versatile charging solution.
Key features include:
1. Power Path Management: Allows the device to charge the battery while simultaneously powering the system load.
2. USB Compatibility: Supports USB input with 100mA and 500mA current limits.
3. AC Adapter Support: Can accept an input voltage of up to 16V suitable for faster charging from an AC adapter.
4. Thermal Regulation: Automatically adjusts the charging current to maintain a safe chip temperature.
5. Battery Management: Includes pre-charge, fast-charge, and termination phases to optimize battery health and lifespan.
6. Safety Features: Over-voltage, short-circuit, and thermal protection ensure safe operation.
This IC is often used in mobile phones, MP3 players, and other portable electronics requiring efficient and safe battery management.
Key features include:
1. Power Path Management: Allows the device to charge the battery while simultaneously powering the system load.
2. USB Compatibility: Supports USB input with 100mA and 500mA current limits.
3. AC Adapter Support: Can accept an input voltage of up to 16V suitable for faster charging from an AC adapter.
4. Thermal Regulation: Automatically adjusts the charging current to maintain a safe chip temperature.
5. Battery Management: Includes pre-charge, fast-charge, and termination phases to optimize battery health and lifespan.
6. Safety Features: Over-voltage, short-circuit, and thermal protection ensure safe operation.
This IC is often used in mobile phones, MP3 players, and other portable electronics requiring efficient and safe battery management.
Equivalent
The BQ24032ARHLR is a Li-Ion linear battery charger IC. Equivalent products may include:
1. MCP73831 from Microchip Technology – a linear charge management controller for Li-Ion/Li-Polymer applications.
2. MAX1811 from Maxim Integrated – a single-cell Li-Ion charger with a linear topology.
3. TP4056 from NanJing Top Power ASIC Corp – a linear Li-Ion battery charger with a constant-current/constant-voltage (CC/CV) profile.
Note: Verify specific features and requirements to ensure compatibility with your application.
1. MCP73831 from Microchip Technology – a linear charge management controller for Li-Ion/Li-Polymer applications.
2. MAX1811 from Maxim Integrated – a single-cell Li-Ion charger with a linear topology.
3. TP4056 from NanJing Top Power ASIC Corp – a linear Li-Ion battery charger with a constant-current/constant-voltage (CC/CV) profile.
Note: Verify specific features and requirements to ensure compatibility with your application.
Features
The BQ24032ARHLR is a highly integrated Li-ion and Li-polymer linear battery charger. Key features include:
1. Input Source Flexibility: Supports USB and AC adapters with automatic power path management, allowing the system to be powered directly from the adapter or battery.
2. Charging Control: Offers precharge conditioning, fast charge, and constant voltage modes with programmable current settings, ensuring optimal charging.
3. Safety Features: Includes thermal regulation, temperature monitoring, and safety timers to prevent overcharging and overheating.
4. Power Path Management: Allows simultaneous battery charging and system operation, ensuring uninterrupted device functionality.
5. Status Indication: Provides status outputs for charge, power good, and fault indications, facilitating easy monitoring.
6. Efficiency: Features a low dropout regulator for efficient power use, and low quiescent current to extend battery life.
7. Package: Available in a small, thermally efficient 3x3 mm QFN package for space-constrained applications.
These features make the BQ24032ARHLR suitable for portable devices, ensuring efficient and safe battery management.
1. Input Source Flexibility: Supports USB and AC adapters with automatic power path management, allowing the system to be powered directly from the adapter or battery.
2. Charging Control: Offers precharge conditioning, fast charge, and constant voltage modes with programmable current settings, ensuring optimal charging.
3. Safety Features: Includes thermal regulation, temperature monitoring, and safety timers to prevent overcharging and overheating.
4. Power Path Management: Allows simultaneous battery charging and system operation, ensuring uninterrupted device functionality.
5. Status Indication: Provides status outputs for charge, power good, and fault indications, facilitating easy monitoring.
6. Efficiency: Features a low dropout regulator for efficient power use, and low quiescent current to extend battery life.
7. Package: Available in a small, thermally efficient 3x3 mm QFN package for space-constrained applications.
These features make the BQ24032ARHLR suitable for portable devices, ensuring efficient and safe battery management.
Pinout
The BQ24032ARHLR is a single-cell Li-Ion and Li-Polymer charge management IC from Texas Instruments. It comes in a 20-pin VQFN (RHL) package. The device is designed to charge a single-cell battery from either USB or an AC adapter and manage power distribution. Its key functions include:
1. Input Source Management: Ability to prioritize power from either USB or AC adapter inputs.
2. Battery Charging: Offers dynamic power-path management to charge the battery while supplying power to the system.
3. Charge Termination: Automatic termination of charging when the battery reaches full charge.
4. Thermal Regulation: Ensures safe operating by adjusting the charging current when the device temperature rises.
5. Protection Features: Includes over-voltage, over-current, and short-circuit protection to safeguard the device and battery.
The BQ24032ARHLR is widely used in portable electronics, providing efficient power management solutions.
1. Input Source Management: Ability to prioritize power from either USB or AC adapter inputs.
2. Battery Charging: Offers dynamic power-path management to charge the battery while supplying power to the system.
3. Charge Termination: Automatic termination of charging when the battery reaches full charge.
4. Thermal Regulation: Ensures safe operating by adjusting the charging current when the device temperature rises.
5. Protection Features: Includes over-voltage, over-current, and short-circuit protection to safeguard the device and battery.
The BQ24032ARHLR is widely used in portable electronics, providing efficient power management solutions.
Manufacturer
The BQ24032ARHLR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits and microcontrollers. It is well-known for its innovations in analog and embedded processing products, which are used in various applications across different industries such as automotive, industrial, consumer electronics, and communications.
Application
The BQ24032ARHLR is a battery management IC designed primarily for portable applications. Its primary application areas include:
1. Mobile Devices: Such as smartphones and tablets, providing efficient charging solutions.
2. Wearable Electronics: Including smartwatches and fitness trackers, where compact size and efficiency are crucial.
3. Portable Media Players: Offering reliable power management for extended usage.
4. Digital Cameras: Ensuring optimal battery usage and charging.
5. Handheld Devices: Like barcode scanners and portable medical devices, where consistent power delivery is essential.
These applications benefit from its features like integrated power FETs, thermal regulation, and dynamic power path management.
1. Mobile Devices: Such as smartphones and tablets, providing efficient charging solutions.
2. Wearable Electronics: Including smartwatches and fitness trackers, where compact size and efficiency are crucial.
3. Portable Media Players: Offering reliable power management for extended usage.
4. Digital Cameras: Ensuring optimal battery usage and charging.
5. Handheld Devices: Like barcode scanners and portable medical devices, where consistent power delivery is essential.
These applications benefit from its features like integrated power FETs, thermal regulation, and dynamic power path management.
Package
The BQ24032ARHLR is packaged in a QFN (Quad Flat No-leads) type, specifically a 20-pin QFN with a 3.5mm x 3.5mm footprint. This surface-mount package is designed for compact applications, providing efficient thermal performance and electrical characteristics suitable for battery management systems.
