S-80823CNY-B-G

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PMIC Supervisors are specialized integrated circuit (IC) devices used to protect circuits against overvoltage and overcurrent conditions. S-80823CNY-B-G is a specific PMIC Supervisor that offers overvoltage, overcurrent and undervoltage protection for three independent power rails: +1.8V, +3.3V, and +5V. It has a low voltage interrupt (LVI) for system-level shutdowns, serial peripheral interface (SPI) for system-level configuration, manual reset input and open drain output for reset sequence synchronization, fault status output, and power good (PG) output. These features are useful in embedded systems and other applications like industrial, telecommunications, medical, and instrumentation.

The S-80823CNY-B-G overvoltage (OV), overcurrent (OC), manual reset (MR), power good (PG) outputs, provide protection and information on system rail conditions. The OV output will be set active (high) when the selected output voltage exceeds the preset trip point. The OC output is set active (high) when the load current is >95% of the factory preset OV trip point. The MR output is active (high) when the manual reset is asserted. The PG output is active (low) when all power rails are good. The active-low LVI output is generated when the selected output voltage is below the trip point.

The S-80823CNY-B-G can be used to provide a range of protection and configuration options. OV and OC protection are configurable from +3V to +13V and 0A to 10A as separate settings while current thresholds can be monitored and adjusted with accuracy of ±5%. When the manual reset input is asserted, it forces the outputs to their default settings. The adjustable shut-down delay time has further protection options and is programmable in steps of 128 milliseconds, up to 17.9 seconds short circuit protection can be applied in situations with high inrush current.

In conclusion, the S-80823CNY-B-G can provide dependable protection against high current, and over-voltage conditions in a wide range of embedded applications. Its adjustable voltage, current and delay, outputs, and other features make it an ideal choice for more complex circuits and systems. In addition, it is able to reduce system component count and cost, as well as spacemight be required to implement the same level of protection.

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