BQ27505YZGT-J4

Series:	Impedance Track™
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Fault Protection:	--
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-UFBGA, DSBGA
Supplier Device Package:	12-DSBGA
Base Part Number:	BQ27505

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BQ27505YZGT-J4 Application Field and Working Principle

Power Management ICs (PMICs), also known as Power Integrated Circuit or Power System on a Chip (PSoCs), refers to any integrated circuit (IC) used to manage, control or direct power. PMICs and Battery Management ICs (BMs) are considered two distinct types of ICs, both of which can be used for the same purpose – to manage power. While both PMICs and BMs are used to manage and control power, their primary area of focus is different from each other. PMICs are used to manage the power input of a system, while Battery Management ICs (BMIC) are used to manage the power output of a battery. BMs focus on providing and controlling the power necessary for the device, while PMICs focus on managing the power efficiency and stability of the device. BMs are used to allow a device to connect to a battery, improve power efficiency and maximize battery life.The BQ27505YZGT-J4 is a Battery Management IC that provides a comprehensive power management solution, making it suitable for a wide range of end-user applications and battery chemistries. This device is specifically designed for use in portable and connected devices and provides a sophisticated power management system, allowing for improved battery life. The BQ27505YZGT-J4 device contains two primary functional blocks: a Battery Controller, and a Pack Connect block. The Battery Controller block is responsible for monitoring and controlling the battery, while the Pack Connect block is responsible for connecting the various components of the battery to form a complete, functioning system.The Battery Controller block of the BQ27505YZGT-J4 provides monitoring, protection, and control of the battery in order to ensure that it operates within operational parameters. It monitors and receives inputs from the current, voltage, and temperature sensors connected to the battery, and it provides outputs to regulate the charging and discharging of the battery. The Pack Connect block is responsible for connecting all of the battery components, such as cells, temperature sensors, and current and voltage sensors, together to form a complete, functioning system. Once the components have been connected, the BQ27505YZGT-J4 allows the battery to be charged and discharged in a safe and efficient manner.The BQ27505YZGT-J4 allows for improved battery life and energy savings by providing accurate monitoring and control of the battery parameters. Furthermore, the device allows for improved data integrity and power efficiency by providing over-voltage and over-current protection to the battery cells.Because of its comprehensive power management capabilities, the BQ27505YZGT-J4 is suitable for a wide range of end-user applications. These applications include portable and connected devices such as wearables, smart watches, fitness bands, and wireless accessories. The device is also useful for extended life, automotive applications, and industrial applications requiring reliable operation and battery life.In conclusion, the BQ27505YZGT-J4 provides a comprehensive power management solution which is suitable for a range of applications. It has two main functional blocks, the Battery Controller and the Pack Connect, which provide accurate monitoring and control of the battery parameters. This device provides improved battery life and energy savings, as well as improved data integrity and power efficiency by providing over-voltage and over-current protection. By providing a comprehensive power management solution, the BQ27505YZGT-J4 has been widely used in portable and connected devices, extended life applications, automotive, and industrial applications.

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