Overview
The BQ20Z90DBTR-V150 is a sophisticated gas gauge IC designed by Texas Instruments, specifically tailored for accurate state-of-charge (SOC) and state-of-health (SOH) monitoring of lithium-ion (Li-Ion) and lithium-polymer (Li-Pol) batteries. This component is compliant with the Smart Battery System (SBS) 1.1 specification and incorporates impedance tracking technology to ensure high accuracy in battery gauging. Although the BQ20Z90DBTR-V150 is currently obsolete and no longer manufactured, it remains a significant example of advanced battery management solutions.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 30-Pin TSSOP (DBT) |
| Battery Chemistry | Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol) |
| Accuracy | Better than 1% error over the lifetime of the battery |
| Compliance | SBS 1.1-compliant |
| Technology | Impedance tracking technology |
| Status | Obsolete and no longer manufactured |
Key Features
- Accurate measurement of available charge in Li-Ion and Li-Pol batteries with better than 1% error over the battery's lifetime.
- SBS 1.1-compliant, ensuring compatibility with smart battery systems.
- Impedance tracking technology for enhanced gauging accuracy.
- Configurable shutdown options, including cell-based or pack-based shutdown depending on the setting of DF:Operation Cfg C [SHUTV].
- Improved robustness of cell imbalance detection with a new voltage qualifier.
- Enhanced manufacturer information storage with increased size and read/write access in Full Access and Unsealed modes.
Applications
- Notebook PCs: Ideal for battery management in portable computing devices.
- Other portable electronics: Suitable for use in various handheld and mobile devices that utilize Li-Ion or Li-Pol batteries.
Q & A
- What is the BQ20Z90DBTR-V150 used for? The BQ20Z90DBTR-V150 is used for accurate state-of-charge and state-of-health monitoring of lithium-ion and lithium-polymer batteries.
- Is the BQ20Z90DBTR-V150 still in production? No, the BQ20Z90DBTR-V150 is obsolete and no longer manufactured.
- What is the accuracy of the BQ20Z90DBTR-V150? The BQ20Z90DBTR-V150 has an accuracy of better than 1% error over the lifetime of the battery.
- What battery chemistries does the BQ20Z90DBTR-V150 support? It supports lithium-ion (Li-Ion) and lithium-polymer (Li-Pol) batteries.
- What is the package type of the BQ20Z90DBTR-V150? The package type is 30-Pin TSSOP (DBT).
- Is the BQ20Z90DBTR-V150 SBS compliant? Yes, it is compliant with the Smart Battery System (SBS) 1.1 specification.
- What technology does the BQ20Z90DBTR-V150 use for gauging? It uses impedance tracking technology for enhanced gauging accuracy.
- Can the shutdown mode be configured on the BQ20Z90DBTR-V150? Yes, the shutdown mode can be configured to be either cell-based or pack-based.
- How has the manufacturer information storage been improved in the BQ20Z90DBTR-V150? The manufacturer information storage has been increased to 31 bytes and is allowed read/write access in Full Access and Unsealed modes.
- What are some common applications of the BQ20Z90DBTR-V150? Common applications include notebook PCs and other portable electronics.
