Allicdata Part #: | BQ26200PWG4-ND |
Manufacturer Part#: |
BQ26200PWG4 |
Price: | $ 3.76 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC BATTERY MONITOR HP 8-TSSOP |
More Detail: | Battery Battery Monitor IC Multi-Chemistry 8-TSSOP |
DataSheet: | BQ26200PWG4 Datasheet/PDF |
Quantity: | 1000 |
100 +: | $ 3.41914 |
Series: | -- |
Packaging: | Tube |
Part Status: | Not For New Designs |
Function: | Battery Monitor |
Battery Chemistry: | Multi-Chemistry |
Number of Cells: | 1 ~ 4 |
Fault Protection: | -- |
Interface: | HDQ |
Operating Temperature: | -20°C ~ 70°C (TA) |
Package / Case: | 8-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 8-TSSOP |
Base Part Number: | BQ26200 |
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Introduction
The BQ26200PWG4 is a monolithic IC designed to manage Li-ion (Lithium-ion) battery cells. This power management IC (PMIC) allows cell chemistry independent operation and integrated full-protection features as over-voltage and over-temperature protection. Some of the features of BQ26200PWG4 include monitoring of cell voltage, battery temperature, battery current, protection of over-current, over discharge and over voltage and the cell balancing.
Application Field
Programmable power management IC (PMIC) such as BQ26200PWG4 is capable of monitoring Li-ion battery cells, making it an ideal choice for battery management in mobile devices. The device enables voltage and temperature protection, as well as balancing of battery cells for improved battery life and longevity. BQ26200PWG4 is suitable for use in applications such as automotive systems, consumer electronics, medical device as well as in power tools and a wide range of portable electronics.
Working Principle
BQ26200PWG4 can monitor and manage the voltage of Li-ion battery cells. The battery voltage is monitored using the integrated voltage measurement circuit. The device has two pins to measure the voltage of single cells, two pins to measure two or four series cells, and one pin to measure the battery temperature. The internal voltage divider/shift network provides the flexibility to measure cell voltage up to 5V.
The device also provides balancing of Li-ion battery cells. Major cell balancing methods include current balancing (active balancing), passive balancing and impedance matching. Current balancing is typically used for battery packs of high cell count, and it realizes the balancing process with minimal impact on the cell performance. Passive balancing, also known as equalization, is the most commonly used type of battery balancing. It balances out the cells in a battery pack by passing current through the weaker cell to bring its voltage up to the same level as other cells in the pack. Impedance matching works by reducing the cells\' internal impedance to make them the same as the other cells.
Furthermore, the device has over-voltage, over-current and over-temperature protection. The over-voltage and over-current protection can be set as a user-defined voltage or current threshold and the programmed thresholds are monitored at a specified time interval. The over-temperature protection is based on the temperature of the device and it is activated by an active Pull-Down current sink in case the temperature exceeds the programmed threshold. Thus the BQ26200PWG4 provides a single solution for battery management in Lithium-ion battery cells, including monitoring, protection and balancing, making it an ideal choice for portable electronics.
In summary, the BQ26200PWG4 is a programmable PMIC specifically designed to manage Li-ion battery cells. The device enables monitoring of cell voltage, battery temperature, battery current, protection of over-current, over discharge and over voltage and allows cell balancing. The BQ26200PWG4 is suitable for use in applications such as automotive systems, consumer electronics, medical device as well as in power tools and a wide range of portable electronics.
The specific data is subject to PDF, and the above content is for reference
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---|
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