BQ20Z70PWR-V110 Integrated Circuits (ICs)

Series:	Impedance Track™
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	2 ~ 4
Fault Protection:	Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Interface:	SMBus
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-TSSOP
Base Part Number:	BQ20Z70

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BQ20Z70PWR-V110 - Battery Management

The BQ20Z70PWR-V110 is a type of power management integrated circuit (PMIC) designed for the management of Li-ion batteries used in portable electronic devices. It is a highly integrated device, containing all the necessary peripheral components and control logic to regulate charge and discharge of Li-ion batteries. The BQ20Z70PWR-V110 can manage multiple types of batteries, including Li-ion, Li-polymer and NiCd, to optimize the battery lifetime while still providing dependable energy supply. This PMIC is designed to provide reliable features and functions in portable electronic equipment and is used in many products across multiple industries.

Power Management for Li-ion Batteries

The BQ20Z70PWR-V110 power management IC is specifically designed to monitor and control the charging and discharging of Li-ion batteries. Li-ion batteries are commonly used in portable electronic devices such as smartphones, laptops, tablets, portable media players, and other similar devices. Li-ion batteries have a high capacity, good voltage performance, and longer lifetimethan other types of batteries. To ensure safe and efficient operation of Li-ion batteries, the BQ20Z70PWR-V110 provides accurate and efficient Li-ion battery management, ensuring the optimal performance of the Li-ion battery.

Features and Functions

The BQ20Z70PWR-V110 features advanced charging, monitoring, protection, and control functions to ensure safe and efficient operation of Li-ion batteries. It is designed to provide safe and reliable features and functions in portable electronic equipment. The BQ20Z70PWR-V110 supports JEITA-compliant charging cycles, which allows the device to optimize charging time and reduce both premature aging of the battery and thermal losses associated with charging. The BQ20Z70PWR-V110 also provides over-voltage, over-temperature, and short-circuit protection for Li-ion batteries. It also offers adjustable voltage and current values for charge and discharge cycles, as well as configurable alarm settings for low- and high-temperature and over-discharge conditions.The BQ20Z70PWR-V110 also features an analog-to-digital (A/D) converter that can be used to measure battery temperature, voltage, and current. This feature allows the device to accurately monitor the condition of the battery and to adjust the charging parameters accordingly.

Application Fields

The BQ20Z70PWR-V110 is widely used in many types of portable electronic equipment, such as notebooks, mobile phones, tablets, media players, wearable electronics, and other similar devices. It is used to monitor and control the charging and discharging of Li-ion batteries, ensuring safe and reliable operation of Li-ion batteries.

Working Principle

The BQ20Z70PWR-V110 monitors the battery voltage and current using its onboard A/D converter. It then adjusts the charging parameters to ensure safe and reliable operation of the battery. The device can also monitor the condition of the battery, such as temperature, voltage, and current, to ensure that the battery is not overcharged or over-discharged. The device also features over-voltage and over-temperature protections to ensure safe operation of the battery. In addition to monitoring and controlling the charging of the battery, the BQ20Z70PWR-V110 also features configurable over-discharge alarming functions, enabling the device to shut down the system in the event of an over-discharge condition. It can also be used as a low-voltage protection device, shutting down the system when the battery voltage is too low. To ensure efficient charging of Li-ion batteries, the device supports JEITA-compliant charging cycles, optimizing charging time and reducing premature aging of the battery.

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