Series:	Impedance Track™
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Function:	Multi-Function Controller
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	2 ~ 4
Fault Protection:	Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	38-TFSOP (0.173", 4.40mm Width)
Supplier Device Package:	38-TSSOP
Base Part Number:	BQ20Z45

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

BQ20Z45DBT-R1 application field and working principle

Battery management (also known as battery monitoring) is important in any system that uses a battery pack, whether it is an electric vehicle, a laptop computer, a mobile device, or a portable medical device. Battery management systems are used to monitor the state of the battery pack, including the voltage, current, temperature and other parameters. They can also be used to control the charging and discharging of the battery pack, to ensure that the battery is not overcharged or over-discharged. The BQ20Z45DBT-R1 is a single-chip, battery-monitoring IC that provides monitoring, measurement and protection against over-voltage, under-voltage and over-temperature conditions for single-cell, two-cell and three-cell Li-ion battery packs. It also provides automated control for charging and discharging for three-cell packs.

Application Field Of BQ20Z45DBT-R1

The BQ20Z45DBT-R1 is specifically designed for use in notebook PCs and other portable devices that use Li-ion rechargeable batteries. It can be used in single-cell and multi-cell Li-ion battery packs, and provides cell balancing, over-voltage, under-voltage, over-temperature, and short-circuit protection. The IC also has an integrated system controller, and can be used with other components in the system such as A/D converters and I/O controllers to form a complete battery management system.

Working Principle Of BQ20Z45DBT-R1

The BQ20Z45DBT-R1 IC is a single-chip solution for monitoring, measuring and protecting Li-ion rechargeable packs. It monitors the voltage, current, temperature and other parameters of the battery pack in real time, and can provide control and protection against over-voltage, over-discharge, over-temperature and short-circuit conditions. The IC can be used in single-cell, two-cell, and three-cell Li-ion battery packs, and provides automated control for charging and discharging for three-cell packs. It also provides cell balancing for three cell packs, and has an integrated system controller to interface with other components in the system.

Conclusion

To summarize, the BQ20Z45DBT-R1 is a single-chip, battery-monitoring IC that provides monitoring, measurement and protection against over-voltage, under-voltage and over-temperature conditions for single-cell, two-cell and three-cell Li-ion battery packs. It is specifically designed for use in notebook PCs and other portable devices that use Li-ion rechargeable batteries. It can be used with other components in the system to form a complete battery management system.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description