S-8261ADBMD-G5BT2U

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Application Field and Working Principle of S-8261ADBMD-G5BT2U

The S-8261ADBMD-G5BT2U belongs to the family of battery management ICs developed by Seiko Instruments, more commonly referred to as PMIC - Battery Management. This IC is capable of providing battery charging, voltage detecting, current monitoring, and temperature monitoring at controlled rates for single or dual cell lithium ion batteries. It is a cost-effective and user-friendly standalone product for a variety of applications that require battery monitoring.

Introduction

The S-8261ADBMD-G5BT2U has several features that make it an ideal solution for a wide range of applications. It is designed to be used in systems where saving power is critical, such as portable electronics, medical devices, and wearable devices. The built-in power management functions provide integrated supply and support, while allowing current and voltage measurement with high accuracy and low losses. In addition, the low operating voltage of 1.7V, wide temperature range of -20°C to +45°C, and low quiescent current of 0.5mA make it an ideal choice for systems with strict power requirements.

Applications

The S-8261ADBMD-G5BT2U provides several functions that are beneficial for a range of applications. It is capable of providing efficient charger power and current, cell conditioning, and battery protection for both single and dual cell lithium ion batteries. Additionally, it offers battery management features such as voltage and current monitoring, temperature monitoring, and over voltage and over current protection. All of these features make the S-8261ADBMD-G5BT2U a great choice for applications such as mobile phones, portable gaming consoles, and other portable electronics.

Working Principle

The S-8261ADBMD-G5BT2U is designed to provide control and monitoring of single or dual cell lithium ion batteries. It uses a combination of linear and switching power supplies to provide efficient power and current delivery, while maintaining high accuracy. Additionally, the device is capable of monitoring the battery\'s current, voltage, and temperature and providing protection against over charging, over voltage, and over current conditions. The device also supports battery conditioning, which is an important feature in modern lithium ion batteries.

The built-in charge and discharge circuit of the S-8261ADBMD-G5BT2U allows for accurate control of individual cell charging and discharging. The charge and discharge current can be set individually for primary and secondary batteries. Additionally, the device supports simultaneous charging for both single and dual cell batteries, as well as simultaneous discharging for both single and dual cell batteries. The device also supports up to 16 cells in parallel.

The S-8261ADBMD-G5BT2U also provides an integrated temperature monitoring solution that utilizes a temperature measurement circuit and an NTC thermistor. The temperature is monitored by the device and an alarm can be triggered when the temperature reaches a preset value. The device also supports a built-in over voltage and over current protection circuit, which helps to protect the battery in case of any unexpected events. Finally, the device is capable of bias voltage power-up and power-down, allowing the embedded system to start or shut down in an orderly fashion.

Conclusion

The S-8261ADBMD-G5BT2U is an ideal choice for a variety of applications that require battery monitoring. It is capable of providing efficient charger power and current, cell conditioning, and battery protection for both single and dual cell lithium ion batteries. It also offers a built-in temperature monitoring solution, over voltage and over current protection circuit, and bias voltage power-up and power-down. All of these features make the S-8261ADBMD-G5BT2U an ideal choice for applications such as mobile phones, portable gaming consoles, and other portable electronics.

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