BQ27500DRZT-V130

Series:	Impedance Track™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Function:	Battery Monitor
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Fault Protection:	Over Temperature
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-VFDFN Exposed Pad
Supplier Device Package:	12-SON (2.5x4)
Base Part Number:	BQ27500

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Introduction to BQ27500DRZT-V130 Application Field & Working PrincipleThe BQ27500DRZT-V130 is a power management integrated circuit (PMIC) that provides a high-accuracy, small-footprint, low-cost solution for controlling and monitoring of a variety of battery types, primarily lithium-ion. This chip provides all the hardware and firmware needed for managing the charge and discharge of batteries, including the capability to handle charging and discharging at high rates.This PMIC is primarily designed to handle batteries used in mobile phones, tablets, and other mobile devices, but can also be used for automotive applications, stationary energy storage, and other applications where battery charge and discharge management is required.Application FieldThe BQ27500DRZT-V130 is a battery management IC that provides power management for a variety of battery types. This chip is suitable for hand-held devices such as cell phones, tablets, and other mobile devices. It also can be used in automotive applications and stationary energy storage applications.In mobile devices, it can efficiently provide power management and protection for the battery. In automotive applications, it can enable safe charging of the battery and provide protection against fluctuations in voltage and current. In stationary energy storage applications, it can help improve the safety and reliability of the system.Working PrincipleThe BQ27500DRZT-V130 is a fully integrated mixed-signal IC that integrates analog and digital functions as well as a low-dropout (LDO) linear regulator to provide reliable and safe charging for a variety of battery types.The chip is capable of handling fast charging and discharging of cells, with input voltages up to 20 V and charge/discharge currents up to 5 amps maximum. It also integrates a pulse-width modulator (PWM) to provide efficient current control.The mixing of analog and digital functions in a monolithic manner increases power efficiency and reduces power dissipation while enabling higher accuracy in system monitoring and protection. This chip also enables multiple-cell configurations, allowing the individual cell voltages to be monitored and controlled.At the heart of the BQ27500DRZT-V130 is a MCU core that processes data from multiple internal and external sensors, performing tasks such as monitoring of cells for safety (voltage, temperature, and current), as well as performing system control.To provide power management for the battery, this PMIC implements a Maxim-integrated software-based charger that adjusts the charge current and charge voltage based on the state of charge of the battery and the ambient temperature. This charger is coupled with the Maxim-integrated high-accuracy low-dropout (LDO) linear regulator to ensure safe and efficient operation.In summary, the BQ27500DRZT-V130 is an integrated power management IC that provides reliable and safe power supply for a variety of battery types. This PMIC can support a wide range of input voltage, varied charge current, and multiple-cell configurations, while providing efficient and safe charging. Through its internal MCU core, it is able to process data from multiple sensors to accurately monitor and protect the batteries, ensuring safe operation and longer battery life.

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