Overview
The BQ29330ADBTR is a high-performance battery management integrated circuit (IC) designed by Texas Instruments. This IC is specifically tailored for multi-cell lithium-ion and lithium-polymer battery applications, offering a comprehensive set of features to ensure safe and efficient charging and discharging procedures. It is part of the bq29330 family, which provides full-protection analog front-end (AFE) capabilities for 2-series, 3-series, and 4-series cell battery packs.
Key Specifications
| Specification | Value |
|---|---|
| Package | TSSOP (DBT) with 30 pins |
| Operating Temperature Range | -40°C to 110°C |
| Supply Voltage Range | 4.5 V to 28 V |
| Low Dropout Regulators | 2.5-V, 16-mA and 3.3-V, 25-mA LDOs |
| Sense Resistor | 5-mΩ integrated sense resistor |
| Interface | I²C compatible user interface |
| FET Drive | NMOS FET drive for charge and discharge FETs |
| Supply Current | 100 µA typical |
| Cell Balancing | Integrated cell bypass path for cell balancing |
Key Features
- 2-Series, 3-Series, or 4-Series Cell Protection Control
- Direct interface with the bq803x-Based Gas Gauge Family
- Watchdog and Power-On Reset (POR) for the host
- Provides individual cell voltages and battery voltage to the battery management host
- Programmable thresholds and delays for overload, short circuit in discharge, and short circuit in charge
- Integrated 2.5-V and 3.3-V low dropout regulators (LDOs)
- I²C compatible user interface for accessing battery information
- Host control can initiate sleep and ship power modes
- Integrated cell balancing drive with a maximum bypass current set via an external series resistor and internal FET on resistance
Applications
The BQ29330ADBTR is suitable for a variety of applications that require robust and reliable battery management, including:
- Multi-cell lithium-ion and lithium-polymer battery packs
- Portable electronic devices such as laptops, tablets, and smartphones
- Electric vehicles and hybrid electric vehicles
- Renewable energy systems and energy storage systems
- Industrial and medical devices requiring high reliability and efficiency in battery management
Q & A
- What is the BQ29330ADBTR?
The BQ29330ADBTR is a high-performance battery management IC designed for multi-cell lithium-ion and lithium-polymer battery applications.
- What package type does the BQ29330ADBTR come in?
The BQ29330ADBTR comes in a TSSOP (DBT) package with 30 pins.
- What is the operating temperature range of the BQ29330ADBTR?
The operating temperature range is -40°C to 110°C.
- What types of low dropout regulators are integrated into the BQ29330ADBTR?
The IC includes 2.5-V, 16-mA and 3.3-V, 25-mA low dropout regulators (LDOs).
- How does the BQ29330ADBTR support cell balancing?
The IC has an integrated cell bypass path for cell balancing, with the maximum bypass current set via an external series resistor and internal FET on resistance.
- What interface does the BQ29330ADBTR use for communication?
The BQ29330ADBTR uses an I²C compatible user interface for accessing battery information.
- Can the host control power modes of the BQ29330ADBTR?
Yes, the host can initiate sleep and ship power modes.
- What types of protection does the BQ29330ADBTR offer?
The IC provides protection for overload, short circuit in charge, short circuit in discharge, cell overvoltage, battery overvoltage, and battery undervoltage.
- How can I order the BQ29330ADBTR?
You can order the BQ29330ADBTR through various electronic component distributors such as Dasenic Electronics, Binnis Electronics, or directly from Texas Instruments' website.
- What is the warranty period for the BQ29330ADBTR?
Distributors like Dasenic Electronics offer a 1-year warranty on the BQ29330ADBTR, covering defects in materials and workmanship under normal use.
