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PowerProtector

ATP Power protection mechanisms offer an advanced level of protection ensuring that NAND Flash data integrity is not compromised during a power failure scenario and also preserve data in mission critical applications. As an advance power protection mechanism, ATP PowerProtector consist of a stand-alone design and solid state capacitors features. The features have been proven to exceed the performance and reliability offered by other existing data back-up solutions.

The Working Concept of PowerProtector

A standalone hardware is the ideal design for power backup, ensuring a sufficient amount of reserve power during any power abnormalities and eliminating extra efforts for host redesigns and motherboard readjustments. The reliable back up power circuit can sustain a sufficient power for a complete finish of a write operation within a NAND flash product during a power failure.

During a sudden power failure, the abnormality is discovered by a power loss detection circuit which activates the power protection mechanism. The device then draws power from PowerProtector’s solid state capacitors for reserve power. The reserve power gives enough time for the flash device to conclude the last writing command without losing any data.

ATP PowerProtector - solid state capacitor based solution

Available Power Protection Solutions include: Battery, SuperCap, and solid state capacitor solutions. ATP PowerProtector is the solid state capacitor based solution which is a critical component that surpasses the natural limitations of existing SuperCap designs. The solid state capacitor's low series resistance and its minimal sensitivity to temperature and humidity make it the ideal solution for extreme situations. In addition the minimal space requirements of solid state capacitors allow for implementation in smaller form-factor embedded modules.

A Comparison Table of Power Protection Solutions :

Solution

Design

Effectiveness

Risk

Life Span

Wide Temp.

Solid State capacitor

Minimal Space Req.

Good

Low

>5 yrs

Yes

SuperCap

Moderate Space Req.

Good

Degradation

>2 yrs

No

Battery

Larger Space Req.

Good

Frequent Replacement

>3 yrs

No

ATP Power Cycling Tester

A variety of companies have provided similar power protector features on their NAND flash products, but few can validate their designs. ATP has combined its knowledge of the NAND flash internal working principles and years of experience on testing NAND flash products to design ATP’s own power cycling tester, which removes power at the exact micro second during the programing of the NAND flash product to further validate and improve ATP product lines overall reliability continuously.

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