S-80857CNNB-B9IT2G

Series:	S-808xxC
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	5.7V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82A, SOT-343
Supplier Device Package:	SC-82AB

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Introduction to the S-80857CNNB-B9IT2G

The S-80857CNNB-B9IT2G is a supervisor integrated circuit, or PMIC, that is used to enhance the safety measures of digital systems. PMICs are typically combined with programmable logic controllers and are used in industries such as automotive, medical, and telecom.

Application Fields of the S-80857CNNB-B9IT2G

The S-80857CNNB-B9IT2G is designed for use in a range of different application fields. It can be used as an analog power source supervisor in automotive electronic control units, as an electronic circuit protection device in medical care machines, and as an alarm board in telecom systems.

Advantages of the S-80857CNNB-B9IT2G

The S-80857CNNB-B9IT2G offers a number of advantages compared to other supervisory ICs. It features lower supply current consumption, which leads to reduced system cost and improved system efficiency. It also has an exceptionally low standby power consumption, which makes it ideal for applications that need to run on limited power resources. The S-80857CNNB-B9IT2G is also packed in a small PPAK package, which can reduce the size of the system. Additionally, it also has a wide temperature range, which adds to its versatility and makes it suitable for use in a variety of conditions.

Working Principle of the S-80857CNNB-B9IT2G

The S-80857CNNB-B9IT2G works by monitoring and signaling the power supply input voltages. This is done with a precision adjustable reference voltage (REF pin), which is matched against the input voltage, and then a feedback pin (FB0 pin) that controls the amplifier to calculate and produce the ramp slope according to the input voltage.After monitoring the voltage, the S-80857CNNB-B9IT2G also throttles the UV Fault Detection and Reporting pin (FDR pin) to indicate the internal error state, to prevent overloading of the system and limit the amount of external current.Finally, the S-80857CNNB-B9IT2G also has an on/off threshold voltage reset pin (T_SM pin) to initiate the reset sequence. The T_SM pin must be maintained at a low value for normal operation and kept at a high value for reset status. This pin is used to control the reset sequence of the system.

Conclusion

The S-80857CNNB-B9IT2G is a versatile supervisor PMIC that is designed for use in a range of application fields, including automotive, medical, and telecom. Its low supply current consumption and standby power consumption make it ideal for use in power-limited systems, and its small PPAK package also helps reduce the size of the system. The working principle of the S-80857CNNB-B9IT2G involves monitoring input voltage levels and initiating reset sequences, thus ensuring the overall safety of the system.

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