Overview
The Texas Instruments BQ20Z65DBTR-R1 is a sophisticated battery management integrated circuit designed to provide accurate and reliable fuel gauging for lithium-ion and lithium-polymer batteries. This IC utilizes Texas Instruments' patented Impedance Track™ technology, ensuring better than 1% error over the lifetime of the battery. It is particularly suited for applications requiring precise battery state of charge monitoring and comprehensive protection features.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package / Case | 44-TFSOP (0.173, 4.40mm Width) |
| Number of Pins | 44 |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 4.5V to 25V |
| Interface | SMBus |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 2 to 4 |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
| Maximum Operating Temperature | +85°C |
| Minimum Operating Temperature | -40°C |
| Capacity Range | 800 mAh to 32000 mAh |
Key Features
- Next Generation Patented Impedance Track™ Technology for accurate battery charge measurement.
- Flexible configuration for 2 to 4 series Li-Ion and Li-Polymer cells.
- Powerful 8-Bit RISC CPU with ultralow power modes.
- Full array of programmable protection features including voltage, current, and temperature monitoring.
- Lifetime data logging and support for SHA-1 authentication.
- Drives 3, 4, and 5 segment LED display for battery-pack conditions.
- Complete battery protection and gas gauge solution in one package.
- Satisfies JEITA guidelines and supports complex charging profiles.
Applications
- Notebook PCs
- Medical and test equipment
- Portable instrumentation
- Network communication devices
- Drones
- Power adapters
Q & A
- What is the BQ20Z65DBTR-R1 used for? The BQ20Z65DBTR-R1 is used for battery management in lithium-ion and lithium-polymer batteries, providing accurate fuel gauging and comprehensive protection features.
- What is the operating temperature range of the BQ20Z65DBTR-R1? The operating temperature range is -40°C to 85°C.
- What interface does the BQ20Z65DBTR-R1 use? The BQ20Z65DBTR-R1 uses the SMBus interface.
- How many cells can the BQ20Z65DBTR-R1 support? It supports 2 to 4 series Li-Ion and Li-Polymer cells.
- What is the capacity range of the BQ20Z65DBTR-R1? The capacity range is from 800 mAh to 32000 mAh.
- Does the BQ20Z65DBTR-R1 support data logging? Yes, it supports lifetime data logging.
- What kind of protection features does the BQ20Z65DBTR-R1 offer? It offers protection features including over current, over temperature, over/under voltage, and short circuit protection.
- Is the BQ20Z65DBTR-R1 RoHS compliant? Yes, it is ROHS3 compliant and lead-free.
- What package type is the BQ20Z65DBTR-R1 available in? It is available in a 44-TFSOP package.
- Does the BQ20Z65DBTR-R1 support SHA-1 authentication? Yes, it supports SHA-1 authentication.
