S-80126CNPF-JKLTFU

Series:	S-801
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	130 ms Minimum
Voltage - Threshold:	2.6V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	4-SMD, Flat Leads
Supplier Device Package:	SNT-4A

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Introduction

Power supply supervisors are integrated circuits (ICs) used to monitor the output of power supplies and provide reliable reset signals, power sequencers, and other control functions. The S-80126CNPF-JKLTFU* is a family of general-purpose power supply supervisors from TI that belong to the Power Management IC (PMIC) category.

S-80126CNPF-JKLTFU Features

The S-80126CNPF-JKLTFU is a highly-integrated supervisor IC that combines multiple functions in a single IC, including a reset controller, sequencer, and power-on reset generator. It’s available in various package styles, such as DSBGA, TQFN, and TSOP.The S-80126CNPF-JKLTFU integrates a precision voltage reference, a voltage and current monitor, a voltage comparator, a negative and positive voltage comparator, a watchdog timer, and a power-on reset generator. This ensures a reliable and simple power system controller, including power supply sequencing, reset control, and temperature monitoring.This family of supervisors is designed to provide adjustable supply voltage and current monitoring, as well as adjustable voltage and current window thresholds. The supply voltage range is 0.9V to 5.5V, and the current monitoring range can be up to 1.5A. The supervisor is capable of monitoring up to four voltage rails, and the 7-channel reset controller allows for adjustment of reset delay and reset duration.

S-80126CNPF-JKLTFU Benefits

This family of supervisors is highly reliable and energy-efficient. It provides adjustable thresholds and adjustable reset delays, and is suitable for use in safety-critical applications. Additionally, this supervisor family has low power consumption (less than 0.9 μA), and is RoHS and REACH compliant.

S-80126CNPF-JKLTFU Applications

This family of supervisors can be used in a wide range of applications, such as notebook computers, smartphone chargers and adapters, power-over-Ethernet (PoE) devices, 3D printers and other industrial equipment, portable battery chargers, and more. It is also suitable for basestations and connected lighting applications.

S-80126CNPF-JKLTFU Working Principle

The S-80126CNPF-JKLTFU works by generating a reset signal if the power supply voltage, current, or temperature level falls outside pre-programmed thresholds. It detects the power supply voltage rail and compares the voltage level with the programmed threshold, and if the level falls beyond the pre-programmed upper or lower limit, then it sends a reset signal. The reset signal may cause the power supply to shut down, or it may trigger a sequence of other events, depending on how the reset controller is configured. The reset controller also provides adjustable reset delay and reset duration, allowing for flexibility in power supply configurations. In addition, the temperature monitor allows for monitoring of temperature levels to ensure safe operation of the system.

Conclusion

The S-80126CNPF-JKLTFU is a family of general-purpose power supply supervisors from TI that provides reliable reset signals, power sequencers, and other control functions. It is highly-integrated and has adjustable voltage and current thresholds, as well as adjustable reset delays. In addition, it has low power consumption, is RoHS and REACH compliant, and is suitable for use in safety-critical applications. This supervisor can be used in a wide range of applications, such as notebook computers, smartphone chargers and adapters, power-over-Ethernet (PoE) devices, 3D printers and other industrial equipment, portable battery chargers, and more. It works by monitoring power supply voltage and current, and generating a reset signal if levels fall outside pre-programmed thresholds.*S-80126CNPF-JKLTFU is a TI reference number and is not available for purchase.

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