Overview
The BQ24070RHLT is a highly integrated 1-cell 2-A Li-ion linear battery charger and system power-path management device produced by Texas Instruments. This component is designed for space-limited portable applications, offering advanced features such as dynamic power-path management, autonomous power-source selection, and high-accuracy current and voltage regulation. The device supports both Li-ion and Li-polymer batteries and is capable of powering the system while independently charging the battery, reducing charge and discharge cycles and ensuring continuous power supply from either the AC adapter or battery sources.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | VQFN (RHL) 20 pins |
| Operating Temperature Range | -40°C to 85°C |
| Input Voltage Range | 4.35V to 16V |
| Output Voltage Regulation | 4.4V and 6V options |
| Maximum Charge Current | 2A |
| Package Dimensions | 3.5 mm x 4.5 mm |
| Moisture Sensitivity Level | 2 |
| Peak Reflow Temperature | 260°C |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
Key Features
- Small Package Size: The BQ24070RHLT comes in a compact 3.5-mm × 4.5-mm VQFN package, making it ideal for space-limited portable applications.
- Dynamic Power-Path Management (DPPM): Allows the AC adapter to simultaneously power the system and charge the battery.
- Power Supplement Mode: Enables the battery to supplement the AC input current.
- Autonomous Power Source Selection: Automatically selects between the AC adapter and battery as the power source.
- Thermal Regulation: Provides thermal regulation for charge control.
- Charge Status Outputs: Indicates charge and fault conditions through LED or system interface.
- Protection Features: Includes reverse current, short-circuit, and thermal protection.
- Power Good Status Outputs: Provides power good status outputs for system monitoring.
Applications
The BQ24070RHLT is designed for use in various portable applications, including:
- Smartphones and mobile devices
- Tablets and e-readers
- Portable media players and gaming devices
- Wearable electronics such as smartwatches and fitness trackers
- Other battery-powered portable electronics requiring efficient and reliable charging solutions.
Q & A
- What is the maximum charge current of the BQ24070RHLT?
The maximum charge current of the BQ24070RHLT is 2A.
- What are the output voltage regulation options for the BQ24070RHLT?
The BQ24070RHLT offers output voltage regulation options of 4.4V and 6V.
- What is the operating temperature range of the BQ24070RHLT?
The operating temperature range of the BQ24070RHLT is -40°C to 85°C.
- Does the BQ24070RHLT support both Li-ion and Li-polymer batteries?
Yes, the BQ24070RHLT supports both Li-ion and Li-polymer batteries.
- What is the package type and size of the BQ24070RHLT?
The BQ24070RHLT comes in a VQFN (RHL) package with 20 pins and dimensions of 3.5 mm x 4.5 mm.
- Does the BQ24070RHLT have built-in protection features?
Yes, the BQ24070RHLT includes reverse current, short-circuit, and thermal protection features.
- How does the dynamic power-path management feature work?
The dynamic power-path management feature allows the AC adapter to simultaneously power the system and charge the battery.
- What is the moisture sensitivity level of the BQ24070RHLT?
The moisture sensitivity level of the BQ24070RHLT is 2.
- What is the peak reflow temperature for the BQ24070RHLT?
The peak reflow temperature for the BQ24070RHLT is 260°C.
- Does the BQ24070RHLT provide charge status outputs?
Yes, the BQ24070RHLT provides charge status outputs for LED or system interface.
