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High-capacity Industrial Slim SATA SSDs from Virtium

10.02.2013

Networking and industrial embedded systems are the main applications for Virtium's StorFly 200 SSDs. According to the manufacturer, Virtium StorFly is the most capacious industrial SSD in Slim SATA (MO-297) size. The volume of drives reaches 512 GB. However, they take up only 15% of the space required by 2,5-inch drives, since their dimensions are 54 x 39 x 4 mm.

The manufacturer offers drives in four classes: CE, RE, XE and PE. The former uses consumer-grade MLC NAND flash, which accounts for the claimed 36TB total write capacity (hereinafter, the figure is based on a 256GB SSD). The RE drives use industrial-grade MLC NAND flash for extended lifespan up to 90TB. Even more, 700TB is the maximum write capacity of the XE drives, which use "long life" industrial-grade MLC NAND flash. Finally, PE drives use SLC NAND flash. These drives can handle 1825TB of writes.

CE drives are available in 32-512 GB, RE - 16-512 GB, XE and PE - 8-256 GB. In terms of performance, all SSDs exhibit sequential read speeds up to 250MB/s. Drives of the first three classes can write data at speeds up to 190 MB / s, the fourth - up to 200 MB / s. Performance on read operations is 12000-15000 IOPS, on write operations - 2000 IOPS.

Miniature drives are available in two modifications, designed for operation in the temperature range from 0 to 70 °C and from -40 °C to +85 °C.

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MAX17701 Super Capacitor Synchronous Charge Controller 16.09.2020

Maxim Integrated has released a new charge controller for supercapacitors. The MAX17701 is a high performance, high voltage synchronous buck charger controller for supercapacitors designed to operate over an input voltage range of 4,5V to 60V. It operates over an industrial temperature range of -40 to 125°C and charges the supercapacitor with DC current with +- four%. After charging the supercapacitor, the device regulates the open-circuit output voltage with an accuracy of +-4%. The output voltage is programmable from 1V to (VDCIN - 1,25V).

The MAX17701 Super Capacitor Charger Controller is designed for applications that require backup power storage with precision charging capability. It uses an external nMOSFET for short circuit protection on the power side to prevent the supercapacitor from discharging.

The MAX17701 is equipped with a Safety Timer (TMR) feature to set the maximum charge time allowed in Constant Current (CC) mode. It also contains a comparator that can be used, for example, to detect an output overvoltage event (OVI) and prevent the supercapacitor from overcharging. The MAX17701 is available in a 24mm x 4mm 4-pin TQFN package.

Key features:

Feature set optimized for charging supercapacitors:

Charge current regulation accuracy +- 4%;
Charging current measurement error (ISMON) +- 6%;
Voltage regulation accuracy +- 1%;
Programmable charge current in CC mode (ILIM);
Wide input voltage range from 4,5 to 60 V;
Adjustable output voltage range from 1,25 V to (VDCIN - 4 V);
Adjustable frequency from 125 kHz to 2,2 MHz with external clock synchronization (RT/SYNC).
Reliable operation in adverse conditions:

Input short circuit protection (GATEN);
Safety timer function (TMR);
Output overvoltage protection (OVI);
Overcurrent limit for each cycle;
Programmable EN/UVLO threshold;
Output Fault Monitoring (FLG);
Overheat protection;
Wide ambient operating temperature range from -40°C to 125°C.

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