S-80958CNNB-G9UT2U

PMIC - Supervisors

The S-80958CNNB-G9UT2U is a supervisor IC that can be used in various applications to ensure system stability and reliability. This IC includes an array of features and characteristics to give maximum protection against voltage fluctuations, thermal issues, and long-term reliability. It is a multiple-input programmable reset timer, which can be used as a system reset supervisor, watchdog timer, supply sequencing and monitoring, failure counter and programmable voltage monitoring. It is an ideal choice for power management in various applications such as server, telecom, consumer, and industrial applications that require active monitoring of system signals.

Application Field

The S-80958CNNB-G9UT2U provides the highest level of protection and reliability for critical applications due to its multiple system reset functions. It is a cost-effective choice for applications such as Network routers, switches, consumer electronics, remote monitoring systems, power supplies, and communication systems. These applications require reliable power management and thermal protection. In addition, the S-80958CNNB-G9UT2U can be used in industrial applications to monitor and maintain performance parameters, such as fan speeds, supply voltages and temperatures.

Working Principle

The S-80958CNNB-G9UT2U performs system reset functions based on three distinct and independent input signals that monitor supply voltages, switching transients and thermal conditions. These events are detected by dedicated circuitry and the status of each input is monitored for a predefined threshold. If the input signal exceeds this threshold, the circuit will reset the system, allowing for safe system return. The supply voltage input can also be used to activate a programmable reset signal, allowing for proper sequencing and maintenance of power supply rails, thus increasing system stability and reliability.

The temperature monitor acts as an additional feature, allowing the circuit to detect any overheating conditions. The temperature monitor contains an analog-to-digital converter and a programmable thermal alarm threshold. When the temperature exceeds this threshold, the output signal is asserted and the system reset is activated.

The programmable reset timer is used to ensure complete protection against reset or power-up failures. It has a minimum pulse width of 1.5ms, allowing it to detect and reset any power-up or reset issues, preventing system hangs or crashes. The timer also incorporates a watchdog timer, allowing it to detect and reset any system abnormality.

Features

• Integrated array of protection features
• Programmable reset timers and thermal monitor
• Detects power-up and reset failures
• Detects overtemperature conditions
• Minimum pulse width of 1.5ms
• Wide supply voltage range of 1.8V to 4.5V
• Integrated watchdog timer for system reliability

Conclusion

The S-80958CNNB-G9UT2U is an ideal choice for applications that require maximum reliability and protection against voltage fluctuations and thermal issues. This IC includes an array of features such as a programmable reset timer, thermal monitor, wide supply voltage range and integrated watchdog timer, giving it the capability to protect and restore system settings within milliseconds. It is a cost-effective solution for various applications such as server, telecom, consumer, industrial and other complex systems.