BQ25504RGTT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Energy Harvesting
Current - Supply:	330nA
Voltage - Supply:	2.5 V ~ 5.25 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-VFQFN Exposed Pad
Supplier Device Package:	16-QFN (3x3)
Base Part Number:	BQ25504

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BQ25504RGTT Application Field and Working Principle

PMIC (Power Management Integrated Circuit) is an integrated circuit used to manage the power distribution of electronic systems such as TVs, phones and computers. Specialized PMICs are designed to address the specific needs of electronic devices. One of these specialized PMICs is the BQ25504RGTT, which is designed to provide complete power management and battery charging solutions for handheld devices.

Features of BQ25504RGTT

This IC provides a high level of integration and flexibility with features such as: an adjustable 0.6A charge current, a safety timer and thermal regulation to protect the IC and battery from overheating. It also provides an accurate battery voltage and temperature monitoring, reverse current and short-circuit protection and overvoltage protection.

Application Fields

The BQ25504RGTT is ideal for a variety of handheld application fields such as smartphones, tablets, handheld gaming devices and portable media players. It is also suitable for other power-controlled products such as educational creative boards, small scale automation, battery-powered devices and many more.

Working Principle

The BQ25504RGTT utilizes a versatile battery charging architecture which automatically controls the charging of the battery according to the input power. This design helps to improve the safety and performance of the overall system. The IC is capable of accepting inputs from USB, wall adapter and other direct current power switches. The IC operates with various charging parameters such as the charger input current limit, the charging current limit, the termination voltage and the absolute maximum charging voltage. Additionally, it can provide battery health information including the temperature, current and voltage to ensure reliability. When the battery reaches a certain threshold, the IC will shut down the switch, disconnect the battery and prevent any overcharging. The output voltage and current is both adjustable, providing greater flexibility in the power management design. The IC is designed with excellent protection features such as the overcurrent protection, overvoltage protection and thermal protection, providing an extra layer of safety for the device and battery.

Conclusion

The BQ25504RGTT provides a complete power management and charging solution for a variety of different application fields. It boasts a high level of integration and flexibility and a wide range of adjustable parameters, ensuring the device and the battery are safe from overvoltage and overcurrent. With this, handheld device designers can be confident that their devices will remain safe and power efficient.

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