LTC4101EG#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Smart Batteries
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	--
Fault Protection:	Over Current, Over Voltage
Charge Current - Max:	4A
Battery Pack Voltage:	--
Voltage - Supply (Max):	28V
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	24-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	24-SSOP
Base Part Number:	LTC4101

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Introduction to LTC4101EG#TRPBF

The LTC4101EG#TRPBF is an Automotive Grade and AEC-Q100 qualified, slew rate-controlled, configurable 200mA to 2A battery charger for use in automotive, commercial, and industrial applications. Slew rate control limits current to an adjustable level based on the battery\'s internal resistance to prevent heat dissipation and reduce heat buildup during charging. It also provides accurate current and voltage regulation, making it an ideal solution for applications requiring both current and voltage monitoring.

Application Fields of LTC4101EG#TRPBF

Due to its wide output voltage range and high current capability, the LTC4101EG#TRPBF is suitable for a variety of applications that require a reliable and accurate charger. These include automotive, commercial, and industrial applications such as automotive interior, navigation systems, LED headlights, medical equipment, HVAC systems, consumer electronics, smart home devices, security systems, energy storage systems, and other battery-powered devices.

Working Principle of LTC4101EG#TRPBF

The LTC4101EG#TRPBF is a high efficiency and high accuracy step-up charger suitable for a wide range of charging applications. It offers both a constant voltage and constant current charging mode, enabling the device to charge most types of batteries to a preset voltage or until the current drops below a preset level. The charger is capable of operating at up to 2A, allowing it to charge multiple batteries simultaneously. Additionally, it features a wide input voltage range of 2V to 35V and adjustable slew rate control, enabling the device to be configured to the specific needs of the application.The LTC4101EG#TRPBF integrates a current sense amplifier, an advanced voltage regulation mechanism, various protection and monitoring circuits and an integrated MOSFET switch. This allows the charger to deliver high performance and accuracy, as well as optimized safety and reliability. Additionally, the charger features temperature monitoring and thermal protection, as well as over-voltage protection for added safety. In order to ensure optimal efficiency and current regulation, the LTC4101EG#TRPBF utilizes inductor current sensing and intelligent Current Mode power stage control. The inductor current sense monitors the inductor current and adjusts the duty cycle of the output MOSFET switching driver according to the inductor current. The MOSFET switch ensures accurate current and voltage regulation, and reduces the power dissipation due to its low impact on the battery.

Conclusion

The LTC4101EG#TRPBF is an advanced and configurable 200mA to 2A automotive grade battery charger that offers a wide range of features and benefits. It is suitable for a wide range of applications that require both current and voltage monitoring, offering a wide output voltage range, high current capability, and efficient and accurate charging capabilities. Additionally, the device features a slew rate control, temperature monitoring and thermal protection, as well as over-voltage protection for added safety. In conclusion, the LTC4101EG#TRPBF is an ideal solution for automotive, commercial, and industrial applications.

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