Embedded board (Use case of SP-CAP, POSCAP, OS-CON)

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Requirements for capacitor performance used in Embedded board

Trend of Embedded board

Board size down

Increased load current

Requirement for capacitor performance

Compact size

Low profile

High ripple current

Providing the optimized solution with a high to low voltage power source

Example)

12V system

os-con image

server image

5V system

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1.8V system

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use-case-pressing image By pressing the button for each circuit block, specific case is shown for reference.

12V

DC/DC

-2.0V

CPU

DC/DC

3.3V

3.3/5V

DC/DC

USB

Space saving

Quantity reduction

Case 1 - Replacement from polymer capacitor to OS-CON

Introduction of a replacement by using a low ESR capacitor OS-CON SVPG series capable of handling high ripple current.

Offered values

Reduction of quantity and approx. 1/2 the circuit area for handling equivalent ripple current

	Before	After
Capacitor type Mounted circuit area image	Previous product OS-CON Radial lead type	Surface-mounting type Area -42%
Series, part number	-	SVPG series (SMD) 16SVPG330M
Specification	16 V, 270 µF, ø8 x 9 mm	16 V, 330 µF, ø6.3 x 10.４ mm
Quantity	3 pcs	2 pcs
Ripple current	15 A 5.0 A x 3 pcs	15 A 7.5 A x 2 pcs
Mounted circuit area	150.7 mm²	87.1 mm²

Features of OS-CON SVPG series SVPK series

The replacement case shown above uses SVPG series , but high voltage resistance SVPK series can also be used.

		SVPG series	SVPK series
Rated voltage		16 V to 25 V	16 V to 50 V
Static capacitance		15 µF to 1,200 μF	10 µF to 1,200 μF
Features	Category temperature range	- 55℃ to +105℃	- 55℃ to +125℃
	High ripple current	7.5A rms max. (105 ℃/100 kHz) (16V)	5.4A rms max. (105 ℃/100 kHz) (16V, 20V)
	High capacitance	1,200 μF (16V)
	Compact size	ø5 x 4.5 mm	ø5 x 5.9 mm
	Low ESR	6.5 mΩ ~	12 mΩ ~
	High voltage resistance	25 V max.	50 V max.
		Datasheet Specification /PN search	Datasheet Specification /PN search

Space saving

Quantity reduction

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 static capacitance, along with compact size and space saving

	Before	After
Capacitor type Mounted circuit area image	Ceramic capacitor (MLCC)	Area -60%
Series, part number	-	TQC series (SMD) 16TQC47MYFB
Specification	25 V, 22 µF, 2.0 x 1.2 mm	16 V, 47 µF, 3.5 x 2.8 mm
Quantity	10 pcs	1 pc
Total electrostatic capacitance	44 µF 22 μF x 10 pcs x 20% = 44 μF (Capacitance reduced by 12 VDC)	47 μF (No Capacitance reduced by 12VDC)
Mounted circuit area	42.9 mm²	16.5 mm²
Data sheet Specification/PN search	-	POSCAP TQC Series	Data sheet
Data sheet Specification/PN search	-	POSCAP TQC Series	Specification /PN search

Features of POSCAP TQC series

Ultra-high voltage resistance : 35V max.
High ripple current : 1.8Arm (105 ℃/100 kHz)
Compact size : W3.5 x L2.8 mm
Low profile : H1.15 mm (W7.3mmｘL4.3mm 16V)

Space saving

Quantity reduction

Case 3 - 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 effective electrostatic capacitance, along with noise elimination with an ultra ESR.

	Before	After
Capacitor type Mounted circuit area image	Ceramic capacitor (MLCC)	Area -14%
Series, part number	-	SX series EEFSX0E331E4
Specification	2.5V, 47μF, 2.0 x 1.2 mm	2.5V, 330μF, 7.3 x 4.3 mm
Quantity	12 pcs	1 pc
Total 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 or 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 max. (2V)	220 μF max.. (2V)	220 μF max. (2V)	330 μF max. (2V)
	Low ESR	4.5 mΩ (2V, 2.5V)		6.0 mΩ
		Datasheet	Datasheet	Datasheet	Datasheet
		Specification /PN search	Specification /PN search	Specification /PN search	Specification /PN search

Space saving

Quantity reduction

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 capacitance, along with compact size and space saving

	Before	After
Capacitor type Mounted circuit area image	Ceramic capacitor (MLCC)	Area -60%
Series, part number	-	TPE series ETPE330M9GB
Specification	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
Total 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 max.	1,500µF max.
	Low ESR	9 mΩ ~ / 300 kHz (2.5V)	7 mΩ ~ (2.5V)
		Datasheet Specification/PN search

Space saving

Quantity reduction

Case 5 - Replacement from MLCC to POSCAP

we recommend the compact and large capacity POSCAP TPE 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)	Area -60%
Series, part number	-	TPE series 6TPE220MAPB
Specification	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
Total 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 max.	1,500µF max.
	Low ESR	9 mΩ ~ / 300 kHz (2.5V)	7 mΩ ~ (2.5V)
		Datasheet Specification/PN search

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