Overview
The BQ24133RGYR is a highly integrated standalone Li-Ion and Li-Polymer switched-mode battery charger produced by Texas Instruments. This device is designed to manage battery charging for 1 to 3 cells and features a 2.5-A integrated N-MOSFET. It offers high efficiency, precise current control, and advanced safety features such as thermal regulation, over-voltage protection, and over-current protection. The BQ24133RGYR is ideal for use in a wide range of portable electronic devices, including smartphones, tablets, and consumer electronics, due to its compact 24-pin VQFN package and robust power management capabilities.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of series cells | 1, 2, 3 | Charge current (max) (A) | 2.5 |
| Vin (max) (V) | 17 | Cell chemistry | Li-Ion/Li-Polymer |
| Battery charge voltage (min) (V) | 4.2 | Battery charge voltage (max) (V) | 13.5 |
| Absolute max Vin (max) (V) | 20 | Control topology | Switch-Mode Buck |
| Vin (min) (V) | 4.5 | Operating temperature range (°C) | -40 to 85 |
| Package | VQFN-24 | Size | 5.5 mm × 3.5 mm |
Key Features
- Ultra-high efficiency with up to 92% efficiency
- Precise current control and voltage regulation
- Robust power conditioning with dynamic power path management
- Safe discharge management and battery temperature monitoring
- Over-voltage protection (OVP) and over-current protection (OCP)
- Integrated USB On-The-Go (OTG) support
- Automatic adapter detection and input current limit
- Thermal regulation to prevent overheating
Applications
The BQ24133RGYR is primarily used in portable electronic devices such as:
- Smartphones
- Tablets
- Portable media players
- Netbooks and ultra-mobile computers
- Portable data capture terminals
- Portable printers
- Medical diagnostics equipment
- Battery bay chargers and battery backup systems
Q & A
- What is the maximum charge current of the BQ24133RGYR?
The maximum charge current is 2.5 A.
- What types of battery cells does the BQ24133RGYR support?
The BQ24133RGYR supports Li-Ion and Li-Polymer battery cells.
- What is the input voltage range of the BQ24133RGYR?
The input voltage range is from 4.5 V to 17 V.
- What safety features does the BQ24133RGYR include?
The BQ24133RGYR includes over-voltage protection (OVP), over-current protection (OCP), and thermal regulation.
- What is the package type and size of the BQ24133RGYR?
The BQ24133RGYR is available in a 24-pin VQFN package with a size of 5.5 mm × 3.5 mm.
- Does the BQ24133RGYR support USB On-The-Go (OTG) function?
- What is the operating temperature range of the BQ24133RGYR?
- How does the BQ24133RGYR manage power path?
- Can the BQ24133RGYR charge batteries from a car battery?
- What is the efficiency of the BQ24133RGYR?
