LTC2937HUHE#PBF

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LTC2937HUHE#PBF Power Supply Controllers, Monitors

The LTC2937HUHE#PBF is a Power management Integrated Circuit (PMIC), specifically a power supply controller, monitor, and supervisor. The LTC2937HUHE#PBF is designed for portable applications powering from 1,5V to 6V, and is packaged in a small form factor which enables socket-savings.

Applications

The LTC2937HUHE#PBF can be used for applications requiring:

• Controllers for multi-chemistry rechargeable batteries
• Overvoltage, undervoltage, and overtemperature protection
• On/off sequencing
• Brownout protection
• Power management systems
• Portable medical devices
• Cellular phones
• Digital cameras

Working Principle

The LTC2937HUHE#PBF can monitor one or two input voltage rails and provide protection from undervoltage and overvoltage. It also provides over-temperature and over-current protection. All of the parameters can be adjusted to provide the required level of protection. The LTC2937HUHE#PBF has an integrated microcontroller in order to access the voltage and current monitored. The microcontroller can be used to implement various applications such as overvoltage protection and over-temperature protection.

The microcontroller\'s inputs and outputs are used to interface to the voltage and current sources and the system interface. The microcontroller can be programmed to set up power up and power down sequences, control charging states, control voltage accuracy, and activate overtemperature protection.

The LTC2937HUHE#PBF includes two digital outputs, two analog input pins, and two digital inputs. The digital outputs can be used to control other system functions. The analog input pins are used to read the input voltage and current. The digital inputs control the power-up sequence and can be used to monitor the system voltage and current.

The LTC2937HUHE#PBF can be used in portable medical applications such as pacemakers, hearing aids, and glucose meters. It can also be used in portable consumer applications such as digital cameras and cellular phones. The LTC2937HUHE#PBF can provide a high level of protection from overvoltage and undervoltage, and also provide over-temperature and over-current protection.

The LTC2937HUHE#PBF is an integrated power supply controller, monitor, and supervisor. Its small form factor and provided protection make it an ideal solution for powering portable applications. The integrated microcontroller allows for flexible programming and customization of the power up and power down sequences, as well as the overvoltage and overtemperature protection.

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