To the top page of use case (SP-Cap, POSCAP, OS-CON)
Requirements for capacitor performance used in LCD panel
Trend of LCD panel
Slimming down
・Compact size and low profile
High performance
・Increased load current
Requirement for capacitor performance
Compact size
Low profile
High voltage resistance
Providing the optimized solution with a high to low voltage power source
Example)
12V system
20V system
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 capacitance along with
compact size and space saving
.
| Before | After | ||
|---|---|---|---|
|
Capacitor type Mounted circuit area image |
Ceramic capacitor (MLCC)
 |
  |
|
| Series, part number | - |
TQC series 16TQC33MYFB |
|
| Specifications | 25 V, 22 µF, 2.0 x 1.2 mm | 16 V, 33 µF, 3.5 x 2.8 mm | |
| Quantity | 7 pcs | 1 pc | |
| Effective electrostatic capacitance |
30.8 µF 22 μF x 7 pcs x 20% = 30.8 μF (Capacitance reduced by 12 VDC) |
33
μF (No Capacitance reduced by 12 VDC) |
|
| Mounted circuit area | 30.0 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 current: 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 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 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 pc | |
| 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 current: 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)