Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current, Timer |
| FaultProtection | Over Temperature, Reverse Current, Short Circuit |
| ChargeCurrent-Max | 1.5A |
| BatteryPackVoltage | 4.2V |
| Voltage-Supply(Max) | 16V |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-VFQFN Exposed Pad |
Overview
Description
The BQ24070RHLR is a highly integrated, Li-Ion and Li-Polymer linear battery charger designed for portable applications. It is manufactured by Texas Instruments and is part of the bqTINY series. This charger is optimized for USB and AC adapter power sources, allowing seamless charging through both modes. It supports a single-cell battery configuration and offers features such as power path management, which ensures the system can operate even without a battery.
Key features include programmable charge current, pre-charge, and fast-charge options, along with thermal regulation to prevent overheating. The device also provides safety features such as battery temperature monitoring and over-voltage protection. The BQ24070RHLR is equipped with a status monitoring system, including LEDs for charge indication.
The solution is ideal for applications requiring efficient charging solutions with minimal external components. It is typically used in portable devices like mobile phones, MP3 players, and other consumer electronics. The RHLR suffix indicates the packaging type, which is a 3x3 mm VQFN package, providing a compact footprint for space-constrained designs.
Key features include programmable charge current, pre-charge, and fast-charge options, along with thermal regulation to prevent overheating. The device also provides safety features such as battery temperature monitoring and over-voltage protection. The BQ24070RHLR is equipped with a status monitoring system, including LEDs for charge indication.
The solution is ideal for applications requiring efficient charging solutions with minimal external components. It is typically used in portable devices like mobile phones, MP3 players, and other consumer electronics. The RHLR suffix indicates the packaging type, which is a 3x3 mm VQFN package, providing a compact footprint for space-constrained designs.
Equivalent
Equivalent products to the BQ24070RHLR chip include:
1. MCP73831 from Microchip Technology
2. MAX8903 from Maxim Integrated
3. TP4056 from NanJing Top Power ASIC Corp
4. LTC4079 from Analog Devices
These alternatives are also linear battery chargers for single-cell Li-Ion/Li-Polymer batteries with similar charging current and USB compatibility. Always verify electrical specifications and features to ensure compatibility with your specific application.
1. MCP73831 from Microchip Technology
2. MAX8903 from Maxim Integrated
3. TP4056 from NanJing Top Power ASIC Corp
4. LTC4079 from Analog Devices
These alternatives are also linear battery chargers for single-cell Li-Ion/Li-Polymer batteries with similar charging current and USB compatibility. Always verify electrical specifications and features to ensure compatibility with your specific application.
Features
The BQ24070RHLR is a highly integrated Li-Ion and Li-Polymer linear battery charger from Texas Instruments. It is designed for portable applications with features that include:
1. Charge Management: Supports single-cell Li-Ion and Li-Polymer batteries with accurate voltage regulation.
2. Power Path Management: Provides simultaneous charging and system operation, allowing the device to run directly from the input while charging the battery.
3. Input Voltage Range: Operates with an input voltage from 4.35V to 10.2V.
4. Adjustable Current: Offers programmable charge current up to 1.5A via an external resistor.
5. USB Compatibility: Supports USB charging with selectable input current limits (100mA/500mA).
6. Safety Features: Includes thermal regulation, power-path management, and battery temperature monitoring.
7. Small Package: Available in a compact QFN package, making it suitable for space-constrained applications.
8. Status Indication: Provides charge status output to indicate various operational states.
This device is ideal for applications like smartphones, tablets, portable media players, and other battery-powered electronics.
1. Charge Management: Supports single-cell Li-Ion and Li-Polymer batteries with accurate voltage regulation.
2. Power Path Management: Provides simultaneous charging and system operation, allowing the device to run directly from the input while charging the battery.
3. Input Voltage Range: Operates with an input voltage from 4.35V to 10.2V.
4. Adjustable Current: Offers programmable charge current up to 1.5A via an external resistor.
5. USB Compatibility: Supports USB charging with selectable input current limits (100mA/500mA).
6. Safety Features: Includes thermal regulation, power-path management, and battery temperature monitoring.
7. Small Package: Available in a compact QFN package, making it suitable for space-constrained applications.
8. Status Indication: Provides charge status output to indicate various operational states.
This device is ideal for applications like smartphones, tablets, portable media players, and other battery-powered electronics.
Pinout
The BQ24070RHLR is a single-cell Li-Ion and Li-Polymer battery charger IC manufactured by Texas Instruments. It comes in a 20-pin configuration, specifically in a VQFN (Very Thin Quad Flat No-Lead) package.
The primary function of the BQ24070RHLR is to manage the charging of single-cell lithium-ion or lithium-polymer batteries. It integrates a power path management system, allowing it to simultaneously power a device and charge the battery. Key features include dynamic power path management, battery temperature monitoring, programmable charge parameters, and thermal regulation. It supports USB and AC adapter power sources.
This IC is suitable for portable devices, including smartphones, tablets, and other battery-powered electronics, offering efficient charging and power management to extend battery life and enhance device performance.
The primary function of the BQ24070RHLR is to manage the charging of single-cell lithium-ion or lithium-polymer batteries. It integrates a power path management system, allowing it to simultaneously power a device and charge the battery. Key features include dynamic power path management, battery temperature monitoring, programmable charge parameters, and thermal regulation. It supports USB and AC adapter power sources.
This IC is suitable for portable devices, including smartphones, tablets, and other battery-powered electronics, offering efficient charging and power management to extend battery life and enhance device performance.
Manufacturer
The BQ24070RHLR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic devices. TI is known for its role in innovation and development within the electronics sector, providing components that are essential for products in the consumer electronics, automotive, industrial, and communications sectors, among others. The company is based in Dallas, Texas, and is one of the top semiconductor companies worldwide, known for its extensive product range and influence in the electronics industry.
Application
The BQ24070RHLR is a Li-Ion and Li-Polymer single-cell battery charger IC, commonly used in applications that require efficient battery management and charging. Key application areas include:
1. Portable Devices: Suitable for smartphones, tablets, and wearable electronics due to its compact size and efficient power management.
2. Consumer Electronics: Used in MP3 players, digital cameras, and handheld games for reliable charging.
3. Medical Devices: Integrated into portable medical equipment for consistent power delivery.
4. Industrial Applications: Employed in portable instruments and tools where battery reliability is crucial.
5. IoT Devices: Supports battery-powered IoT gadgets that need efficient charging solutions.
Its features make it ideal for low-power and space-constrained applications.
1. Portable Devices: Suitable for smartphones, tablets, and wearable electronics due to its compact size and efficient power management.
2. Consumer Electronics: Used in MP3 players, digital cameras, and handheld games for reliable charging.
3. Medical Devices: Integrated into portable medical equipment for consistent power delivery.
4. Industrial Applications: Employed in portable instruments and tools where battery reliability is crucial.
5. IoT Devices: Supports battery-powered IoT gadgets that need efficient charging solutions.
Its features make it ideal for low-power and space-constrained applications.
Package
The BQ24070RHLR is packaged in a VQFN (Very Thin Quad Flat No-Lead) package with 20 pins. The specific package designation is RHL, which indicates a VQFN with a 3.5mm x 3.5mm body size.
