S-80856CLPF-B7HTFU

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PMIC - Supervisors

The S-80856CLPF-B7HTFU is a low power supervisor and power-on reset device from Renesas Electronics Corporation. It is a highly integrated chip that provides reliable power reset and power supervisory functions for a wide range of applications. This device is designed to support System-On-Chip (SoC) applications and is ideal for low power system designs. It is available in a small footprint 4-lead DFN or 9-pin (MSOP) package.

Application Field of S-80856CLPF-B7HTFU

The S-80856CLPF-B7HTFU is widely used in many electronic applications, such as cellular phones, PDAs, digital cameras, portable healthcare devices, traffic control systems, automotive applications, gaming devices, portable home entertainment devices, point-of-sale terminals, and LED lighting control applications. It can also be used in many industrial equipment Industry 4.0 applications, such as automated industrial process control, data collecting, machine vision, and operational planning systems. With its low power consumption and robust design, this device is ideal for these and more applications.

Working Principle of S-80856CLPF-B7HTFU

The S-80856CLPF-B7HTFU integrates power reset and power supervisory functions into a single device. It provides an active low RESET output when the input voltage dips below the designed voltage window to ensure a proper power-on cycle and reset of the system. The device also allows extending the power-on cycle window by providing an active high RESET_L output. In addition, the device monitors the voltage continuously, ensuring the system is reset when necessary. The S-80856CLPF-B7HTFU incorporates an input voltage supervisor, two low power reset generators, two digital alarms, three low power reset and power-on reset signals, and an output stage to ensure a safe low power reset circuit.

The device also features a timer reset for power faults and a watchdog timer for software reset. The watchdog timer can be used to generate a reset signal due to software failures or deadlocks, while the timer reset is triggered when the device input voltage is out of range. The device also features a glitch filter and an over temperature reset generator. The glitch filter is used to protect the system from voltage glitches while the over temperature reset generator is used to reset the system in case of an excessively high temperature.

In addition, the S-80856CLPF-B7HTFU offers a power up sequence, which allows a set of predefined operations during the power-on sequence such as enabling and disabling of specific peripherals. The device also features a low voltage detector, which triggers a reset signal in case the input voltage dips below a certain threshold. With these features, the S-80856CLPF-B7HTFU provides a reliable low power reset and power supervisory circuit for many applications.

Conclusion

The S-80856CLPF-B7HTFU is a low power supervisor and power-on reset device from Renesas Electronics Corporation that offers reliable power reset and power supervisory functions for a wide range of applications. This device is designed to support system-on-chip (SoC) applications and is ideal for low power system designs. The device integrates an active low RESET output, two low power reset generators, two digital alarms, three low power reset and power-on reset signals, and an output stage. In addition, the device offers a power up sequence, a glitch filter, an over temperature reset generator, a low voltage detector, and a watchdog timer. With these features, the S-80856CLPF-B7HTFU provides a reliable low power reset and power supervisory circuit for many applications.

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