BQ29414PWRG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion
Number of Cells:	2 ~ 4
Fault Protection:	Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 110°C (TA)
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	BQ29414

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Introduction
BQ29414PWRG4 is a device categorized under a Power Management Integrated Circuit (PMIC). This type of integrated circuit is used to provide an efficient power management system for a variety of applications. BQ29414PWRG4 is an integrated circuit developed to provide a system for battery management in mobile platforms. This chip is designed to manage the charge and discharge operations of the battery and to monitor its current, voltage, and temperature parameters. This is particularly useful to ensure a safe and reliable charging process in mobile platform applications. The device supports a wide range of operating databases and integrates a terminal AD converter to supplement the temperature-related information.
Application
BQ29414PWRG4 has been specifically designed for mobile platform applications that require battery management. This particular device can work efficiently with Lithium-ion, Nickel–Cadmium, and Nickel-Metal Hydride batteries to monitor and manage the charge and discharge cycles. The integrated circuit is highly compatible with the voltage and temperature control unit of the application platform. It is equipped with an internal switch mode PSU to provide the correct power supply to the battery. It is also designed to handle high discharge conditions and provide protection from spurious currents and short circuits.
Furthermore, BQ29414PWRG4 has an AD converter that allows for precision in the measurement of temperature. The integrated circuit can be used in a variety of applications that require battery management, such as portable media players, notebooks, radios, cameras, phones, and other mobile platforms. The chip is also suitable for audio products like external speakers, car radios, or portable audio devices.
Working Principle
BQ29414PWRG4 works on the basis of an embedded microcontroller that contains all the necessary programming algorithms to monitor and manage the battery. The embedded microcontroller runs the software of the device, allowing it to properly monitor the battery’s voltage and temperature. The IC is also equipped with an inductor-based switch mode PSU to provide the correct voltage to the battery. The device contains several peripheral circuits that support the primary components of the integrated circuit, such as the AD converter, voltage regulators, and current sensing circuits.
The integrated circuit also includes a terminal ADC converter to collect the temperature related information from the temperature-sensing device. The power supply for this device is provided by the battery, and the current is measured by the current sensing circuit. The microcontroller runs the algorithms that monitor the battery and record the voltage, current, and temperature data. Depending on the settings in the software, the device can either allow the battery to charge or regulate the voltage and temperature in the battery. With this device, the battery can be monitored and managed remotely and at a very low power.
Conclusion
BQ29414PWRG4 is a highly integrated circuit, specially developed for battery management in mobile platforms. It is mainly used to monitor and manage the charge and discharge of the battery and to measure the temperature, voltage, and current parameters. This integrated circuit is equipped with a switch mode PSU to provide the correct power to the battery and a terminal ADC converter to collect the temperature related information. This device is suitable for a variety of mobile platform applications that require battery management, such as portable media players, notebooks, radios, cameras, phones, and other mobile platforms.

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