To the top page of use case (SP-Cap, POSCAP, OS-CON)
Requirements for capacitor performance used in Laptop
Trend of Laptop
Thin and lightweight
・High density mounting
・Load current increase
Requirement for capacitor performance
Compact size and low profile
Low ESR
Large capacity
Providing the optimized solution with a high to low voltage power source
Example)
20V system
5V system
2V and lower
By pressing the button for each circuit block, specific case is shown for reference.
Case 1 - Replacement from MLCC to POSCAP
Introduction of a replacement case by using compact and large capacitance low ESR capacitors,
POSCAP
TQC series
.
Offered values
Achieving quantity reduction with equivalent static effective capacitance, along with compact size and space saving
| Before | After | ||
|---|---|---|---|
|
Capacitor type Mounted circuit area image |
Ceramic capacitor (MLCC)
 |
  |
|
| Series, part number | - |
TQC series 25TQC15MYFB |
|
| Specifications | 25 V, 10 µF, 2.0 x 1.2 mm | 25 V, 15 µF, 3.5 x 2.8 mm | |
| Quantity | 10 pcs | 1 pcs | |
| Effective electrostatic capacitance |
15 µF 22 μF x 10 pcs x 15% = 15 μF (Capacitance reduced by 20 VDC) |
15 μF (No Capacitance reduced by 20 VDC) |
|
| Mounted circuit area | 42.9 mm2 | 16.5 mm2 | |
|
Datasheet Specification, part number search |
- |
POSCAP TQC series |
Datasheet
Specification, part number search |
Features of POSCAP TQC series
- High voltage resistance: 35 V max.
- High ripple curren: 1.8 Arms (105 ℃/100 kHz)
- Compact size: W3.5 x L2.8 mm
- Low profile: H1.15 mm (W7.3 mm x L4.3 mm 16V)
Case 2 - Replacement from MLCC to SP-Cap (by simulation)
Introduction of a replacement case by using the industry's top-class ultra-low ESR capacitor
SP-Cap
SX series
in the low voltage side
Offered values
Reduction of quantity with equivalent static effective capacitance,
along with noise elimination with an low ESR.
| Before | After | ||
|---|---|---|---|
|
Capacitor type Mounted circuit area image |
Ceramic capacitor (MLCC)
 |
  |
|
| Series, part number | - |
SX series EEFSX0E331E4 |
|
| Specifications | 2.5V, 47μF, 2.0 x 1.2 mm | 2.5V, 330μF, 7.3 x 4.3 mm | |
| Quantity | 12 pcs | 1 pc | |
| Effective electrostatic capacitance |
338 µF 47 μF x 12 pcs x 60% = 338μF (Capacitance reduced by 1.8 VDC) |
330 μF (No Capacitance reduced by 1.8 VDC) |
|
| Mounted circuit area | 51.5 mm2 | 44.2 mm2 | |
| Design support tool | - | Simulation data | |
Features of SP-Cap SX series,SR series,SS series,ST series
In the case of replacement from the MLCC shown above, the
SX series
is used, but in the Embedded board,
you can also use the same low ESR products,
SR series
,
SS series
,
ST series
.
| SX series | SR series | SS series | ST series | ||
|---|---|---|---|---|---|
| Rated voltage | 2 V to 6.3 V | 2 V to 2.5 V | |||
| Static capacitance | 82 μF to 560 μF | 68 μF to 220 μF | 180 μF to 330 μF | ||
| Features | Low profile | 1.9 ｍｍ | 1.0 ｍｍ | 1.1 ｍｍ | 1.4 ｍｍ |
| High capacitance |
∼560 μF (2V) |
∼220 μF (2V) |
∼220 μF (2V) |
∼330 μF (2V) |
|
| Low ESR | 4.5 mΩ (2V, 2.5V) | 6.0 mΩ | |||
|
Datasheet
Specification, part number search |
Datasheet
Specification, part number search |
Datasheet
Specification, part number search |
Datasheet
Specification, part number search |
||
Case 3 - Replacement from MLCC to POSCAP
In the low voltage side, we recommend the compact and large capacity POSCAP TPE series .
Offered values
Achieving quantity reduction with equivalent static effective capacitance, along with compact size and space saving.
| Before | After | ||
|---|---|---|---|
|
Capacitor type Mounted circuit area image |
Ceramic capacitor (MLCC)
 |
 |
|
| Series, part number | - |
TPE series ETPE330M9GB |
|
| Specifications | 2.5 V, 22 µF, 1.0 x 1.5 mm | 2.5 V, 330 µF, 3.5 x 2.8 mm | |
| Quantity | 30 pcs | 1 pc | |
| Effective electrostatic capacitance |
297 µF 22μF x 30pcs x 45% = 297μF (Capacitance reduced by 1.8 VDC) |
330 µF (No Capacitance reduced by 1.8 VDC) |
|
| Mounted circuit area | 42.1 mm2 | 16.5 mm2 | |
Features of POSCAP TPE series
In the replacement case shown above,
TPE series B size product
is used, but low profile large capacity
TPE series D size product
can also be used.
| TPE series | |||
|---|---|---|---|
| Product dimensions |
B size L3.5×W2.8 |
D size L7.3×W4.3 |
|
| Rated voltage | 2.0 V to 10 V | 2.5 V to 10 V | |
| Static capacitance | 47 µF to 470 µF | 68 µF to 1,500 μF | |
| Features | Low profile | 1.9 ｍｍ | 1.4 ｍｍ |
| Large capacity | ∼470 µF | ∼1,500 µF | |
| Low ESR | 9 mΩ ~ / 300 kHz(2.5V) | 7 mΩ ~ (2.5V) | |
| Datasheet | Specification, part number search | ||
Case 4 - Replacement from MLCC to POSCAP
In the low voltage side, we recommend the compact and large capacity POSCAP TPE series .
Offered values
Achieving quantity reduction with equivalent static effective capacitance, along with compact size and space saving
| Before | After | ||
|---|---|---|---|
|
Capacitor type Mounted circuit area image |
Ceramic capacitor (MLCC)
|
|
|
| Series, part number | - |
TPE series 6TPE220MAPB |
|
| Specifications | 6.3 V, 100 µF, 2.0 x 1.2 mm | 6.3 V, 220 µF, 3.5 x 2.8 mm | |
| Quantity | 10 pcs | 1 pc | |
| Effective electrostatic capacitance |
200 µF 100 μF x 10 pcs x 20% = 200 μF (Capacitance reduced by 1.8 VDC) |
220 µF (No Capacitance reduced by 1.8 VDC) |
|
| Mounted circuit area | 42.9 mm2 | 16.5 mm2 | |
Features of POSCAP TPE series
In the replacement case shown above,
TPE series B size product
is used, but low profile large capacity
TPE series D size product
can also be used.
| TPE series | |||
|---|---|---|---|
| Product dimensions |
B size L3.5×W2.8 |
D size L7.3×W4.3 |
|
| Rated voltage | 2.0 V to 10 V | 2.5 V to 10 V | |
| Static capacitance | 47 µF to 470 µF | 68 µF to 1,500 μF | |
| Features | Low profile | 1.9 ｍｍ | 1.4 ｍｍ |
| Large capacity | ∼470 µF | ∼1,500 µF | |
| Low ESR | 9 mΩ ~ / 300 kHz(2.5V) | 7 mΩ ~ (2.5V) | |
| Datasheet | Specification, part number search | ||