S-80823CNY-B2-U

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S-80823CNY-B2-U is a power management integrated circuit (PMIC) device used to supervise and protect the management of a system’s power supply. It is a power management supervisor IC (PMIC-Supervisor) which can effectively meet the low power consumption and high reliability requirements of applications. The device can supervise two main power sources, one auxiliary power source and one RAM power source. Its wide operating temperature range extends from -40°C to +85°C.

Application Field

S-80823CNY-B2-U has a wide application range which includes low power industrial systems, common computer systems and automotive applications, etc. The device can improve system robustness and reduce overall system cost when the system is operated in NORMAL or STANDBY mode. It is ideally suitable for systems with strict low power consumption requirements, and when low power consumption is the primary goal, the device is even more suited for the purpose.

Working Principle

S-80823CNY-B2-U is configured in an 8-pin SOT-23 package and features a logic-controlled power supervisor which provides open-drain output. It utilizes an active low Start (START) signal to enable or disable the main power source while monitoring the power output of two main power sources, one auxiliary power source and one RAM power source. When either of these outputs falls below a specified threshold, the device will shut off the power supply and remain dormant until the START signal is activated again. The device is also equipped with a low voltage reset (LVR) input that resets the device when the supply voltage drops below a certain threshold.

Simultaneously, the device has two overvoltage detection options, which allows it to detect overvoltage from both main and auxiliary power sources before switching them off. Additionally, the device features both overcurrent and overvoltage protection on the Enable and RAM supplies, providing further safety and protection.

When in the OFF state, S-80823CNY-B2-U consumes negligible power. It requires a minimum start-up voltage of 1.4V and boasts of a maximum current drain of 3mA. The device guarantees a maximum current drain of 0.1mA in the OFF state and has a minimum reset time of 1ms. Furthermore, the device features a thermal warning indicator to let users know when the device has gone above its rated temperature.

Conclusion

In short, S-80823CNY-B2-U is a reliable PMIC-Supervisor IC device, that is versatile and well suited to a wide variety of applications where low power consumption and high reliability requirements must be met. Offering highly integrated power supervisor, protection, and control functions, the device allows designers to meet individuals’ project goals - ultimately making it an ideal choice for low power applications in automotive, computer, and industrial systems.

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