Overview
The BQ40Z50-R1 device from Texas Instruments is a fully integrated, single-chip solution designed for managing 1-series, 2-series, 3-series, and 4-series Li-Ion and Li-Polymer battery packs. It incorporates patented Impedance Track™ technology to accurately measure available charge in these batteries. This device provides a comprehensive array of features for gas gauging, protection, and authentication, making it an ideal choice for smart battery applications.
Key Specifications
| Specification | Value |
|---|---|
| Package | VQFN (RSM) with 32 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supported Cell Configurations | 1-series, 2-series, 3-series, and 4-series Li-Ion or Li-Polymer |
| Interface | Two-Wire SMBus v1.1 |
| Authentication | SHA-1 with secure memory for authentication keys |
| Protection Features | Overvoltage, undervoltage, overcurrent, short-circuit current, overload, and overtemperature |
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 including JEITA, enhanced charging, and adaptive charging
- Supports TURBO BOOST mode and Battery Trip Point (BTP)
- Diagnostic lifetime data monitor and black box recorder
- LED display support
- Compact 32-lead QFN package
Applications
The BQ40Z50-R1 is suitable for a variety of applications requiring advanced battery management, including but not limited to:
- Portable electronics such as laptops, tablets, and smartphones
- Electric vehicles and hybrid electric vehicles
- Power tools and industrial equipment
- Medical devices and healthcare equipment
- Consumer electronics with high power requirements
Q & A
- What is the BQ40Z50-R1 device used for?
The BQ40Z50-R1 is a fully integrated battery pack manager and protection device for 1-series to 4-series Li-Ion and Li-Polymer cells. - What technology does the BQ40Z50-R1 use for charge measurement?
The BQ40Z50-R1 uses patented Impedance Track™ technology for accurate charge measurement. - What types of protection does the BQ40Z50-R1 offer?
The device offers protection against overvoltage, undervoltage, overcurrent, short-circuit current, overload, and overtemperature conditions. - Does the BQ40Z50-R1 support authentication?
Yes, it supports SHA-1 authentication with secure memory for authentication keys. - What interface does the BQ40Z50-R1 use for communication?
The device uses a two-wire SMBus v1.1 interface for communication with the host system. - What is TURBO BOOST mode in the BQ40Z50-R1?
TURBO BOOST mode allows the device to provide the available maximum power and maximum current to the host system. - Does the BQ40Z50-R1 support cell balancing?
Yes, it supports integrated cell balancing during charging or at rest. - What is the package type and pin count of the BQ40Z50-R1?
The device is packaged in a 32-pin VQFN (RSM) package. - What is the operating temperature range of the BQ40Z50-R1?
The operating temperature range is -40°C to 85°C. - Does the BQ40Z50-R1 have diagnostic capabilities?
Yes, it includes a diagnostic lifetime data monitor and black box recorder.
