To the top page of use case (SP-Cap, POSCAP, OS-CON)
Requirements for capacitor performance used in SSD
Trend of SSD
Backup of power supply
High energy density
Requirement for capacitor performance
High voltage resistance, Large capacity
Compact size, Low profile
Providing the optimized solution with a high to low voltage power source
Example)
28V system
By pressing the button for each circuit block, specific case is shown for reference.
Space saving
Quantity reduction
Case 1 - Replacement from MLCC to POSCAP
Introduction of a replacement case by using compact and large capacitance low ESR capacitors, POSCAP TQS series.
Offered values
Achieving quantity reduction with equivalent effective electrostatic capacitance, along with compact size and space saving.
| Before | After | |
|---|---|---|
| Capacitor type Mounted circuit area image |
Ceramic capacitor (MLCC))
 |
|
| Series, part number | - | TQS series(D size) 35TQS47MEU |
| Specifications | 35 V, 10 µF, 2.0 x 1.2 mm | 35 V, 47 µF, 7.3 x 4.3 mm |
| Quantity | 30 pcs | 1 pc |
| Effective electrostatic capacitance | 45 µF 10 μF x 30 pcs x 15% = 45 μF (Capacitance reduced by 28 VDC) |
47 µF (No Capacitance reduced by 28VDC) |
|
Mounted circuit area |
128.7 mm2 | 44.2 mm2 |
Features of POSCAP TQS series,TQC series
The replacement case shown above uses TQS series, but TQC series can also be used.
| TQSシリーズ | TQCシリーズ | ||
|---|---|---|---|
| Product dimensions | L3.5×W2.8 / L7.3×W4.3 | ||
| Rated voltage | 16 V to 35 V | ||
| Static capacitance | 6.8 µF to 47 µF | 3.9 µF to 220 µF | |
| Features | Category temperature range | -55℃ to ＋105 ℃ | |
| High voltage resistance | 35 V max. | ||
| Low profile | 1.1 mm to 1.4 mm | 1.15 mm to 2.8mm | |
| Data sheet Specification, part number search |
Data sheet Specification, part number search |
Data sheet Specification, part number search |
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