BQ29330DBTR

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BQ29330DBTR

IC BATT PROT LI-ION 2-4C 30TSSOP

  • Manufacturer
  • Mfr. Part #BQ29330DBTR
  • Package TSSOP (DBT)-30
  • Datasheet
  • In Stock4198

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
Function Battery Protection
BatteryChemistry Lithium Ion/Polymer
NumberofCells 2 ~ 4
FaultProtection Over Current, Over/Under Voltage, Short Circuit
Interface I²C
OperatingTemperature -40°C ~ 110°C (TA)
MountingType Surface Mount
Package/Case 30-TFSOP (0.173, 4.40mm Width)

Overview

Description

The BQ29330DBTR is a battery monitoring integrated circuit designed by Texas Instruments. It is used in battery management systems for lithium-ion and lithium-polymer batteries. The device provides key protection and monitoring functions, ensuring the safety and efficiency of battery packs typically used in consumer electronics and power tools.
Key features of the BQ29330DBTR include over-voltage protection, under-voltage protection, and over-current protection, which prevent damage caused by extreme conditions. It also offers cell balancing, which helps maintain the health and longevity of individual cells within a battery pack. The IC is capable of monitoring multiple cells simultaneously, making it suitable for use in multi-cell configurations.
The BQ29330DBTR is known for its low power consumption, which is essential in preserving battery life in portable devices. It operates over a wide temperature range, ensuring reliability in various environmental conditions. The device is commonly used in conjunction with a separate microcontroller to provide comprehensive battery management solutions. Overall, the BQ29330DBTR is valued for its robust protection features and ability to enhance the safety and performance of lithium-based battery systems.

Features

The BQ29330DBTR is a battery management IC (Integrated Circuit) designed for lithium-ion and lithium-polymer battery packs. Key features include:
1. Protection and Safety: Offers overvoltage, undervoltage, overcurrent, and short-circuit protection to ensure battery safety and longevity.
2. Cell Balancing: Supports passive cell balancing to maintain equal charge levels across all cells, enhancing battery performance and lifespan.
3. Scalability: Suitable for multi-cell applications, typically managing battery packs consisting of up to 4 cells in series.
4. I2C Interface: Equipped with an I2C communication interface for easy integration and monitoring, allowing for communication with microcontrollers or other system components.
5. Low Power Consumption: Designed for efficiency, minimizing power draw during operation to extend battery life.
6. Temperature Monitoring: Capable of interfacing with an external thermistor for temperature monitoring, adding another layer of safety.
7. Compact Package: Available in a small TSSOP package, facilitating space-efficient designs in portable and compact electronic devices.
These features make the BQ29330DBTR a comprehensive solution for managing and protecting lithium-based battery systems in various applications.

Package

The BQ29330DBTR is a battery management IC from Texas Instruments, typically used for lithium-ion and lithium-polymer battery packs. It is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins, which is denoted by the "DBT" in its part number. This package type is designed for surface mounting on a PCB.

Pinout

The BQ29330DBTR is a secondary protection IC designed for lithium-ion and lithium-polymer battery packs. It typically comes in a TSSOP (Thin Shrink Small Outline Package) with 24 pins. The key functions of the BQ29330 include over-voltage, under-voltage, and over-current protection for multi-cell battery packs, along with cell balancing capabilities.
Key pin functions include:
- Voltage sensing for individual cells.
- Control outputs for external N-channel MOSFETs used in the protection circuit.
- Communication interface pins for I2C, enabling communication with a host microcontroller.
- Pins for setting thresholds and delays for protection features.
The BQ29330 is part of Texas Instruments' battery management portfolio and is designed to work in conjunction with a battery management controller to ensure safe and efficient operation of the battery pack. For detailed pin configuration and specific functions, consulting the datasheet from Texas Instruments is recommended.

Manufacturer

The BQ29330DBTR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. It is known for its innovation and development in the electronics industry, producing a wide range of products used in various applications, including automotive, industrial, personal electronics, and communications equipment. TI is a major player in the semiconductor industry, providing both analog and embedded processing products to its customers worldwide.

Application

The BQ29330DBTR is a battery management IC designed for use in lithium-ion (Li-ion) and lithium-polymer (LiPo) battery packs. Its primary application areas include portable electronics, such as laptops, smartphones, and tablets, where precise battery monitoring and protection are critical. It offers features like overvoltage, undervoltage, overcurrent, and short-circuit protection, making it suitable for ensuring battery safety and extending battery life in various consumer electronics. Additionally, it can be used in power tools and other rechargeable battery-operated devices.

Equivalent

The BQ29330DBTR is a battery protection IC from Texas Instruments, commonly used in lithium-ion battery applications. Equivalent products include:
1. BQ29334 from Texas Instruments - offers similar battery protection features.
2. S-8254 series from Seiko Instruments - provides overcharge, over-discharge, and overcurrent protection.
3. ISL94203 from Renesas Electronics - offers comparable protection and monitoring for battery packs.
Check specifications and compatibility for exact equivalence.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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