LTC1731ES8-4.2#PBF

Introduction

The LTC1731ES8-4.2#PBF is a PMIC - Battery Charge developed by Linear Technologies. The device is a highly efficient universal charging controller with an integrated Power Path Management system (PwrPath). The device includes a 2A peak-current-mode regulated linear synchronous buck converter followed by an adjustable 4MΩ current source. By evaluating the measurement of the current-sense signal, the controller ensures optimal charging parameters and implements a fast, controlled shutdown when the charge limit is exceeded. In addition, the adjustable current source provides additional flexibility as it can be configured to regulate the charge current and to also provide a low battery alert signal.

Applications of the LTC1731ES8-4.2#PBF

The LTC1731ES8-4.2#PBF is widely used in various types of PMIC - Battery Charger applications. It is ideal for use in portable battery operated systems such as tablet PCs, notebooks, and mobile phones, providing a safe, reliable, and efficient charging solution. The device helps to reduce the platform costs and address development issues such as accuracy and thermal management. In addition, the device supports low standby power and can be used in ultra-low power applications. The device supports a wide range of battery chemistries including Lithium-Ion (Li-Ion), Nickel Metal Hydride (NiMH), Lead Acid, and Nickel Cadmium (NiCd). The device also features an adjustable over-voltage setting and a battery temperature sensor input that can be used for charging parameters fine-tuning and battery safety.

Working Principle of the LTC1731ES8-4.2#PBF

The primary function of the LTC1731ES8-4.2#PBF is to control the flow of currents from the power source and to regulate the charging of the battery to ensure a safe and reliable charge. The device implements a high-performance synchronous buck converter, which steps down the voltage from the power supply and regulates the charging process. In addition, the device includes a 4MΩ current source to provide additional flexibility and to regulate the charging current if needed. The device also features an adjustable over-voltage setting and a battery temperature sensor input that can be used for charging parameters fine-tuning and battery safety. Overall, the device helps to provide an efficient, reliable, and safe charging process that ensures optimal charging parameters.

Conclusion

In conclusion, the LTC1731ES8-4.2#PBF is a highly efficient universal charging controller with an integrated Power Path Management system (PwrPath). The device is widely used in various PMIC - Battery Charger applications, providing a safe, reliable, and efficient charging solution. The device implements a high-performance synchronous buck converter, which steps down the voltage from the power supply and regulates the charging process. In addition, the device includes a 4MΩ current source for additional flexibility and to regulate the charging current if needed. The device helps to reduce the platform costs and address development issues such as accuracy and thermal management, making it an ideal solution for battery- operated devices.