Overview
The BQ40Z50-R2, produced by Texas Instruments, is a fully integrated, single-chip battery pack manager designed for 1-series, 2-series, 3-series, and 4-series Li-ion and Li-polymer battery packs. This device incorporates patented Impedance Track™ technology to accurately measure available charge in batteries. It provides comprehensive features for gas gauging, protection, and authentication, making it a robust solution for various battery management applications.
Key Specifications
| Parameter | Description |
|---|---|
| Battery Capacity | Minimum: 500 mAh, Maximum: 29,000 mAh |
| Cell Balancing | External and Internal |
| Cell Chemistry | Li-Ion, Li-Polymer, LiFePO4 |
| Communication Interface | SMBus v1.1 |
| External Capacity Indication | LED |
| Gas Gauge Algorithm | Impedance Track (IT) for high accuracy |
| Implementation | Pack-based |
| Number of Series Cells | Single cell to 4-series cells |
| Operating Temperature Range | -40°C to 85°C |
| Package Group | 32-lead VQFN (RSM) |
| Package Size | 4 mm x 4 mm |
| Special Features | Integrated Protector, SHA-1 Authentication, Turbo Mode 2.0 |
Key Features
- Fully integrated battery pack manager and protection for 1-series to 4-series Li-ion and Li-polymer cells.
- Patented Impedance Track™ technology for accurate charge measurement.
- High-side N-CH protection FET drive.
- Integrated cell balancing during charging or at rest.
- Programmable protection features including voltage, current, temperature, and charge timeout.
- Sophisticated charge algorithms: JEITA, Enhanced charging, Adaptive charging, and Cell balancing.
- Supports TURBO Mode 2.0 and battery trip point (BTP).
- Diagnostic lifetime data monitor and black box recorder.
- LED display and SHA-1 authentication.
- Compact 32-lead QFN package.
Applications
- Tablets
- Drones
- UPS/battery backup systems
- Medical equipment
- Handheld vacuum cleaners and vacuum robots
Q & A
- What is the BQ40Z50-R2 used for? The BQ40Z50-R2 is used as a fully integrated battery pack manager and protection device for Li-ion and Li-polymer battery packs.
- What types of battery cells does the BQ40Z50-R2 support? It supports 1-series to 4-series Li-ion and Li-polymer battery cells.
- What is the operating temperature range of the BQ40Z50-R2? The operating temperature range is -40°C to 85°C.
- What communication interface does the BQ40Z50-R2 use? It uses the SMBus v1.1 interface.
- Does the BQ40Z50-R2 support cell balancing? Yes, it supports both external and internal cell balancing.
- What special features does the BQ40Z50-R2 have? It includes integrated protection, SHA-1 authentication, and Turbo Mode 2.0.
- What is the package type and size of the BQ40Z50-R2? It comes in a 32-lead VQFN (RSM) package with a size of 4 mm x 4 mm.
- What are some common applications of the BQ40Z50-R2? Common applications include tablets, drones, UPS/battery backup systems, medical equipment, and handheld vacuum cleaners.
- How does the BQ40Z50-R2 measure battery charge? It uses patented Impedance Track™ technology to accurately measure available charge in batteries.
- Does the BQ40Z50-R2 have diagnostic capabilities? Yes, it includes a diagnostic lifetime data monitor and black box recorder.
