BQ27500YZGR-V130

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Power Management Integrated Circuit (PMIC) is an integrated circuit (IC) that manages power for devices in order for them to operate and remain stable under various conditions. Battery Management, a crucial part of PMIC, serves to maximize the life of the device battery, regulate the current and voltage from the battery, and detect and protect against battery failure. The BQ27500YZGR-V130 is one such battery management IC designed to monitor, protect and manage one-cell Li-Ion or Li-Polymer batteries. This IC is suitable for applications such as smartphones, tablets and other portable electronic devices.

BQ27500YZGR-V130 Application Field and Working Principle

BQ27500YZGR-V130 is a single-cell battery monitoring, protection and management IC designed to provide improved performance, function, battery pack management and safety. The IC is commonly used in applications such as cellular phones and other portable devices that are powered by 1-cell Li-Ion and/or Li-Polymer batteries. It provides enhanced power management, intelligent battery protection and integrated temperature measurement for enhanced protection and reliability. With its integrated fuel gauge, the IC can accurately monitor and report the state-of-charge (SOC) of the battery, as well as other key parameters such as open-circuit voltage (OCV), battery current and battery temperature.

The integrated remote sensing amplifier of the BQ27500YZGR-V130 can provide high accuracy current measurements, while its integrated thermistor input can monitor the device temperature accurately and provides an over temperature (OT) alarm when necessary. The IC also integrates an extensive suite of protection and diagnostic features such as low voltage protection (LVP), over-charge protection (OCP), over temperature protection (OTP), short circuit protection (SCP), low battery alert (LBA), low-charge alert (LCA), and over-discharge protection (ODP).

In addition to its protection features, the BQ27500YZGR-V130 also configures other key features such as charge alarms, charge profiles and battery capacity setting. The charge profile can be programmed to enhance the life of the battery by setting different parameters for different charge cycles, such as charge voltage limit, charge current limit, charge termination voltage or current limit and safety timer. Battery capacity setting provides information on the capacity of the battery, which is useful for detecting and controlling the charging status of the battery. Finally, its voltage and current thresholds can be programmed to set off an alarm when the battery’s voltage or current is at a certain level.

In summary, the BQ27500YZGR-V130 is an integrated battery management IC designed to monitor, protect, and manage 1-cell Li-Ion or Li-Polymer batteries. It integrates high accuracy current and temperature sensing, as well as sophisticated protective, diagnostic and battery capacity solution to maximize the life of the device battery. The IC is used to power a wide range of portable devices such as smartphones and tablets.

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