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BQ29330 Datasheet PDF

Part Series:BQ29330 Series
Description:The bq29330 is a 2-, 3-, or 4-cell lithium-ion battery pack full-protection analog front end (AFE) IC that incorporat...
Document:BQ29330DBT Datasheet PDF (30 Pages)

BQ29330 Datasheet PDF

30 Pages
TI
The bq29330 is a 2-, 3-, or 4-cell lithium-ion battery pack full-protection analog front end (AFE) IC that incorporat...

BQ29330 - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Case/Package
TSSOP-30
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BQ29330 - TI Function Overview

The bq29330 is a 2-series, 3-series, and 4-series cell lithium-ion battery pack full-protection analog front end (AFE) IC that incorporates a 2.5-V, 16-mA and 3.3-V, 25-mA low dropout regulator (LDO). The bq29330 also integrates an I2C-compatible interface to extract battery parameters such as battery voltage, individual cell voltages, and control output status. Other parameters such as current protection thresholds and delays can also be programmed into the bq29330 to increase the flexibility of the battery management system.
The bq29330 provides safety protection for overload, short circuit in charge, and short circuit in discharge conditions and can also provide cell overvoltage, battery overvoltage and battery undervoltage protection with the battery management host. In overload, short circuit in charge and short circuit in discharge conditions, the bq29330 turns off the FET drive autonomously, depending on the internal configuration setting. The communications interface allows the host to observe and control the status of the bq29330, enable cell balancing, enter different power modes, set current protection levels, and set the blanking delay times.
Cell balancing of each cell can be performed via a cell bypass path integrated into the bq29330, which can be enabled via the internal control register accessible via the I2C-compatible interface. The maximum bypass current is set via an external series resistor and internal FET on resistance (typ. 400 Ω).
2-Series, 3-Series, or 4-Series Cell Protection Control
Can Directly Interface with the bq803x-Based Gas Gauge Family
Watchdog and POR for the Host
Provides Individual Cell Voltages and Battery Voltage to
Battery Management Host
Capable of Operation With 5-mΩ Sense Resistor Integrated
Cell Balancing Drive
I2C Compatible User Interface Allows Access to
Battery Information
Programmable Threshold and Delay for Overload Short Circuit
in Discharge and Short Circuit in Charge
NMOS FET Drive for Charge and Discharge FETs
Host Control can Initiate Sleep and Ship Power Modes
Integrated 2.5-V, 16-mA LDO
Integrated 3.3-V, 25-mA LDO
Supply Voltage Range from 4.5 V to 28 V
Low Supply Current of 100 µA Typical
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