S-80849CNNB-B9AT2G

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:	4.9V
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

PMIC (Power Management Integrated Circuit) supervisors are integrated circuits designed to provide robust power regulation and monitoring capabilities. By combining multiple functional blocks such as DC-DC converters, LED drivers, reference and oscillator circuits, these supervisors provide maximum flexibility for system designers when designing power management systems. The S-80849CNNB-B9AT2G is a PMIC supervisor developed by Renesas Electronics Corporation which provides a number of features and benefits to simplify the power management design process.

Application Field

The S-80849 CNNB-B9AT2G is a high-performance PMIC supervisor designed for low-voltage systems. It can be used in a variety of applications including mobile phones, portable media players, Bluetooth headsets, and other computing-related products. This supervisor is also suitable for a range of different power management architectures such as boost, buck-boost, and inverting configurations.The supervisor includes a comprehensive set of features which provides improved reliability and flexibility when compared to traditional discrete solutions. Low quiescent current of the device, wide input voltage range (1.6V - 5.5V), and a low-noise environment make it ideal for use in power-sensitive applications. The device also features a range of integrated protection features such as over-temperature, over-voltage, and under-voltage protection. This provides improved system reliability and reduces the number of external components required.

Working Principle

The S-80849CNNB-B9AT2G is a PMIC supervisor that integrates multiple components into a single package. It provides an efficient, low-cost solution for power management in embedded systems. The device has three primary blocks: a DC-DC converter, a reference and oscillator circuit, and a LED driver circuit. The DC-DC converter is used to regulate the output voltage as it is converted from the input voltage. It uses pulse width modulation (PWM) control to provide good regulation of output voltage across the entire input voltage range. The reference and oscillator circuit provides the clock signal that is used in the DC-DC converter. This allows the DC-DC converter to produce an output voltage that is clean and stable. Finally, the LED driver provides an efficient platform for driving LEDs using pulse width modulation (PWM) output. The combination of these components provides a reliable and efficient platform for power management.

Conclusion

The S-80849CNNB-B9AT2G is a high-performance PMIC supervisor designed for use in low-voltage systems. It provides a comprehensive set of features which makes it suitable for use in power-sensitive applications. The device combines a DC-DC converter, reference and oscillator circuit, and LED driver circuit into a single package to provide improved system reliability and reduce component count.

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