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DC-DC converter circuit/AC-DC converter circuit

AC-DC converter for 48 V system

Example of half-bridge type AC-DC converter circuit

AC-DC converter for 12 V system (interleaved PFC) (1.6 kW power supply (V_IN(AC) = 90 to 264 V, V_OUT = 12.0 V, I_OUT = 66.7 A / 133 A))

Example of AC-DC converter circuit using interleaved PFC

AC-DC converter for 12 V system (bridgeless PFC) (1.6 kW power supply (V_IN(AC) = 90 to 264 V, V_OUT = 12.0 V, I_OUT = 66.7 A / 133 A))

Example of AC-DC converter circuit using bridgeless PFC

DC-DC converter for 48 V system (300 W isolated DC-DC converter power supply (V_IN(DC) = 36 to 75 V, V_OUT = 12.0 V, I_OUT = 25 A))

Example of full-bridge type DC-DC converter circuit

DC-DC converter for 48 V system (Power supply for 1.2 V and 100 A output isolated DC-DC converter (V_IN(DC) = 40 to 59.5 V, V_OUT = 1.2 V, I_OUT = 100 A))

Example of half-bridge type DC-DC converter circuit

Peripheral interface circuits

Examples of peripheral interface signal line protection circuits

Fan drive circuit

Example of fan motor drive circuit

Over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit

Power line to storage devices

Example of power line protection circuit from controller hub to strage devices

Sub block diagram

DC-DC converter circuit/AC-DC converter circuit

AC-DC converter for 48 V system

Example of half-bridge type AC-DC converter circuit

U-MOS Series MOSFET
IC output photocoupler for high speed communication
DTMOS Series MOSFET(1)
DTMOS Series MOSFET(2)
SiC MOSFET
SiC Schottky barrier diode

U-MOS Series MOSFET

Part Number	TPH2R408QM	TPH9R00CQ5	TPHR6503PL	TPH2R408QM	TPH3R10AQM
Toshiba Package Name	SOP Advance	SOP Advance / SOP Advance(N)	SOP Advance	SOP Advance	SOP Advance(N)
V_DSS (Max) [V]	80	150	30	80	100
I_D (Max) [A]	120	64	393	120	120
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00243	0.009	0.00065	0.00243	0.0031
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch

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IC output photocoupler for high speed communication

Part Number	TLP2767	TLP2370
Toshiba Package Name	SO6L	5pin SO6
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CC / V_DD (Min) [V]	2.7	2.7
V_CC / V_DD (Max) [V]	5.5	5.5
I_CC / I_DD (Max) [mA]	2.5	0.4
Output Interface	totem-pole(INV)	totem-pole(BUF)

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DTMOS Series MOSFET(1)

Part Number	TK040N65Z	TK040Z65Z	TK090A65Z	TK099V65Z	TK090U65Z
Toshiba Package Name	TO-247	TO-247-4L	TO-220SIS	DFN 8×8	TOLL
V_DSS (Max) [V]	650	650	650	650	650
I_D (Max) [A]	57	57	30	30	30
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.04	0.04	0.09	0.099	0.09
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch

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DTMOS Series MOSFET(2)

Part Number	TK110N65Z	TK110Z65Z	TK110A65Z	TK125V65Z	TK110U65Z	TK155U65Z
Toshiba Package Name	TO-247	TO-247-4L	TO-220SIS	DFN 8×8	TOLL	TOLL
V_DSS (Max) [V]	650	650	650	650	650	650
I_D (Max) [A]	24	24	24	24	24	18
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.11	0.11	0.11	0.125	0.11	0.155
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch	N-ch

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SiC MOSFET

Part Number	TW015N65C	TW027N65C	TW048N65C	TW015Z65C	TW027Z65C	TW048Z65C
Toshiba Package Name	TO-247	TO-247	TO-247	TO-247-4L(X)	TO-247-4L(X)	TO-247-4L(X)
V_DSS (Max) [V]	650	650	650	650	650	650
I_D (Max) [A]	100	58	40	100	58	40
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 18.0 [V]	0.021	0.037	0.065	0.022	0.038	0.069
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch	N-ch

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SiC Schottky barrier diode

Part Number	TRS12A65F	TRS24N65FB	TRS2E65H	TRS12E65H	TRS4V65H	TRS12V65H
Toshiba Package Name	TO-220F-2L	TO-247	TO-220-2L	TO-220-2L	DFN 8×8	DFN 8×8
I_F(DC) (Max) [A]	12	24	2	12	4	12
V_RRM (Max) [V]	650	650	650	650	650	650
V_F (Max) [V]	1.6	1.6	1.35	1.35	1.35	1.35
I_R (Max) [µA] @ V_RRM (Max)	60	60	40	120	55	120

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AC-DC converter for 12 V system (interleaved PFC) (1.6 kW power supply (V_IN(AC) = 90 to 264 V, V_OUT = 12.0 V, I_OUT = 66.7 A / 133 A))

Example of AC-DC converter circuit using interleaved PFC

DTMOS Series MOSFET (1)
DTMOS Series MOSFET (2)
SiC MOSFET
SiC Schottky barrier diode
IC output photocoupler for high speed communication
U-MOS Series MOSFET (1)
U-MOS Series MOSFET (2)

DTMOS Series MOSFET (1)

Part Number	TK040N65Z	TK040Z65Z	TK090A65Z	TK099V65Z	TK090U65Z
Toshiba Package Name	TO-247	TO-247-4L	TO-220SIS	DFN 8×8	TOLL
V_DSS (Max) [V]	650	650	650	650	650
I_D (Max) [A]	57	57	30	30	30
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.04	0.04	0.09	0.099	0.09
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch

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DTMOS Series MOSFET (2)

Part Number	TK110N65Z	TK110Z65Z	TK110A65Z	TK125V65Z	TK110U65Z	TK155U65Z
Toshiba Package Name	TO-247	TO-247-4L	TO-220SIS	DFN 8×8	TOLL	TOLL
V_DSS (Max) [V]	650	650	650	650	650	650
I_D (Max) [A]	24	24	24	24	24	18
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.11	0.11	0.11	0.125	0.11	0.155
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch	N-ch

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SiC MOSFET

Part Number	TW015N65C	TW027N65C	TW048N65C	TW015Z65C	TW027Z65C	TW048Z65C
Toshiba Package Name	TO-247	TO-247	TO-247	TO-247-4L(X)	TO-247-4L(X)	TO-247-4L(X)
V_DSS (Max) [V]	650	650	650	650	650	650
I_D (Max) [A]	100	58	40	100	58	40
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 18.0 [V]	0.021	0.037	0.065	0.022	0.038	0.069
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch	N-ch

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SiC Schottky barrier diode

Part Number	TRS12A65F	TRS24N65FB	TRS2E65H	TRS12E65H	TRS4V65H	TRS12V65H
Toshiba Package Name	TO-220F-2L	TO-247	TO-220-2L	TO-220-2L	DFN 8×8	DFN 8×8
I_F(DC) (Max) [A]	12	24	2	12	4	12
V_RRM (Max) [V]	650	650	650	650	650	650
V_F (Max) [V]	1.6	1.6	1.35	1.35	1.35	1.35
I_R (Max) [µA] @ V_RRM (Max)	60	60	40	120	55	120

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IC output photocoupler for high speed communication

Part Number	TLP2767	TLP2370
Toshiba Package Name	SO6L	5pin SO6
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CC / V_DD (Min) [V]	2.7	2.7
V_CC / V_DD (Max) [V]	5.5	5.5
I_CC / I_DD (Max) [mA]	2.5	0.4
Output Interface	totem-pole(INV)	totem-pole(BUF)

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U-MOS Series MOSFET (1)

Part Number	TPHR8504PL	TPH1R306PL	TPH2R408QM	TPH3R10AQM
Toshiba Package Name	SOP Advance	SOP Advance	SOP Advance	SOP Advance(N)
V_DSS (Max) [V]	40	60	80	100
I_D (Max) [A]	340	260	120	120
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00085	0.00134	0.00243	0.0031
Polarity	N-ch	N-ch	N-ch	N-ch

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U-MOS Series MOSFET (2)

Part Number	TPHR6503PL	TPH2R408QM	TPH3R10AQM
Toshiba Package Name	SOP Advance	SOP Advance	SOP Advance(N)
V_DSS (Max) [V]	30	80	100
I_D (Max) [A]	393	120	120
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00065	0.00243	0.0031
Polarity	N-ch	N-ch	N-ch

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AC-DC converter for 12 V system (bridgeless PFC) (1.6 kW power supply (V_IN(AC) = 90 to 264 V, V_OUT = 12.0 V, I_OUT = 66.7 A / 133 A))

Example of AC-DC converter circuit using bridgeless PFC

DTMOS Series MOSFET (1)
DTMOS Series MOSFET (2)
SiC MOSFET
SiC Schottky barrier diode
IC output photocoupler for high speed communication
U-MOS Series MOSFET (1)
U-MOS Series MOSFET (2)

DTMOS Series MOSFET (1)

Part Number	TK040N65Z	TK040Z65Z	TK090A65Z	TK099V65Z	TK090U65Z
Toshiba Package Name	TO-247	TO-247-4L	TO-220SIS	DFN 8×8	TOLL
V_DSS (Max) [V]	650	650	650	650	650
I_D (Max) [A]	57	57	30	30	30
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.04	0.04	0.09	0.099	0.09
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch

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DTMOS Series MOSFET (2)

Part Number	TK110N65Z	TK110Z65Z	TK110A65Z	TK125V65Z	TK110U65Z	TK155U65Z
Toshiba Package Name	TO-247	TO-247-4L	TO-220SIS	DFN 8×8	TOLL	TOLL
V_DSS (Max) [V]	650	650	650	650	650	650
I_D (Max) [A]	24	24	24	24	24	18
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.11	0.11	0.11	0.125	0.11	0.155
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch	N-ch

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SiC MOSFET

Part Number	TW015N65C	TW027N65C	TW048N65C	TW015Z65C	TW027Z65C	TW048Z65C
Toshiba Package Name	TO-247	TO-247	TO-247	TO-247-4L(X)	TO-247-4L(X)	TO-247-4L(X)
V_DSS (Max) [V]	650	650	650	650	650	650
I_D (Max) [A]	100	58	40	100	58	40
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 18.0 [V]	0.021	0.037	0.065	0.022	0.038	0.069
Polarity	N-ch	N-ch	N-ch	N-ch	N-ch	N-ch

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SiC Schottky barrier diode

Part Number	TRS12A65F	TRS24N65FB	TRS2E65H	TRS12E65H	TRS4V65H	TRS12V65H
Toshiba Package Name	TO-220F-2L	TO-247	TO-220-2L	TO-220-2L	DFN 8×8	DFN 8×8
I_F(DC) (Max) [A]	12	24	2	12	4	12
V_RRM (Max) [V]	650	650	650	650	650	650
V_F (Max) [V]	1.6	1.6	1.35	1.35	1.35	1.35
I_R (Max) [µA] @ V_RRM (Max)	60	60	40	120	55	120

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IC output photocoupler for high speed communication

Part Number	TLP2767	TLP2370
Toshiba Package Name	SO6L	5pin SO6
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CC / V_DD (Min) [V]	2.7	2.7
V_CC / V_DD (Max) [V]	5.5	5.5
I_CC / I_DD (Max) [mA]	2.5	0.4
Output Interface	totem-pole(INV)	totem-pole(BUF)

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U-MOS Series MOSFET (1)

Part Number	TPHR8504PL	TPH1R306PL	TPH2R408QM	TPH3R10AQM
Toshiba Package Name	SOP Advance	SOP Advance	SOP Advance	SOP Advance(N)
V_DSS (Max) [V]	40	60	80	100
I_D (Max) [A]	340	260	120	120
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00085	0.00134	0.00243	0.0031
Polarity	N-ch	N-ch	N-ch	N-ch

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U-MOS Series MOSFET (2)

Part Number	TPHR6503PL	TPH2R408QM	TPH3R10AQM
Toshiba Package Name	SOP Advance	SOP Advance	SOP Advance(N)
V_DSS (Max) [V]	30	80	100
I_D (Max) [A]	393	120	120
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00065	0.00243	0.0031
Polarity	N-ch	N-ch	N-ch

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DC-DC converter for 48 V system (300 W isolated DC-DC converter power supply (V_IN(DC) = 36 to 75 V, V_OUT = 12.0 V, I_OUT = 25 A))

Example of full-bridge type DC-DC converter circuit

U-MOS Series MOSFET (1)
U-MOS Series MOSFET (2)
Transistor output photocoupler
IC output photocoupler for high speed communication

U-MOS Series MOSFET (1)

Part Number	TPH9R00CQH	TPN12008QM	TPN1200APL
Toshiba Package Name	SOP Advance / SOP Advance(N)	TSON Advance	TSON Advance
V_DSS (Max) [V]	150	80	100
I_D (Max) [A]	64	26	66
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.009	0.0123	0.0115
Polarity	N-ch	N-ch	N-ch

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U-MOS Series MOSFET (2)

Part Number	TPHR8504PL	TPH1R306PL	TPH2R408QM	TPH3R10AQM
Toshiba Package Name	SOP Advance	SOP Advance	SOP Advance	SOP Advance(N)
V_DSS (Max) [V]	40	60	80	100
I_D (Max) [A]	340	260	120	120
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00085	0.00134	0.00243	0.0031
Polarity	N-ch	N-ch	N-ch	N-ch

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Transistor output photocoupler

Part Number	TLP383	TLP291(SE
Toshiba Package Name	4pin SO6L	SO4
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CEO (Max) [V]	80	80
T_opr [°C]	-55 to 125	-55 to 110

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IC output photocoupler for high speed communication

Part Number	TLP2767	TLP2370
Toshiba Package Name	SO6L	5pin SO6
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CC / V_DD (Min) [V]	2.7	2.7
V_CC / V_DD (Max) [V]	5.5	5.5
I_CC / I_DD (Max) [mA]	2.5	0.4
Output Interface	totem-pole(INV)	totem-pole(BUF)

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DC-DC converter for 48 V system (Power supply for 1.2 V and 100 A output isolated DC-DC converter (V_IN(DC) = 40 to 59.5 V, V_OUT = 1.2 V, I_OUT = 100 A))

Example of half-bridge type DC-DC converter circuit

U-MOS Series MOSFET (1)
U-MOS Series MOSFET (2)
Transistor output photocoupler
IC output photocoupler for high speed communication

U-MOS Series MOSFET (1)

Part Number	TPH9R00CQH	TPN12008QM	TPN1200APL
Toshiba Package Name	SOP Advance / SOP Advance(N)	TSON Advance	TSON Advance
V_DSS (Max) [V]	150	80	100
I_D (Max) [A]	64	26	66
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.009	0.0123	0.0115
Polarity	N-ch	N-ch	N-ch

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U-MOS Series MOSFET (2)

Part Number	TPHR6503PL	TPHR8504PL	TPWR6003PL	TPWR8004PL
Toshiba Package Name	SOP Advance	SOP Advance	DSOP Advance	DSOP Advance
V_DSS (Max) [V]	30	40	30	40
I_D (Max) [A]	393	340	412	340
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 10.0 [V]	0.00065	0.00085	0.0006	0.0008
Polarity	N-ch	N-ch	N-ch	N-ch

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Transistor output photocoupler

Part Number	TLP383	TLP291(SE
Toshiba Package Name	4pin SO6L	SO4
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CEO (Max) [V]	80	80
T_opr [°C]	-55 to 125	-55 to 110

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IC output photocoupler for high speed communication

Part Number	TLP2767	TLP2370
Toshiba Package Name	SO6L	5pin SO6
BV_S (Min) [V_rms] @ t = 60 [s]	5000	3750
V_CC / V_DD (Min) [V]	2.7	2.7
V_CC / V_DD (Max) [V]	5.5	5.5
I_CC / I_DD (Max) [mA]	2.5	0.4
Output Interface	totem-pole(INV)	totem-pole(BUF)

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Peripheral interface circuits

Examples of peripheral interface signal line protection circuits

TVS diode

TVS diode

Part Number	DF2B7ASL	DF2B5M4SL	DF2B6M4SL
Toshiba Package Name	SOD-962 (SL2)	SOD-962 (SL2)	SOD-962 (SL2)
V_ESD (Max) [kV]	+/-30	+/-20	+/-20
I_R (Max) [µA]	0.1	0.1	0.1
R_dyn (Typ.) [Ω]	0.2	0.5	0.5
C_T (Typ.) [pF] @ V_R = 0 [V], f = 1 [MHz]	8.5	0.2	0.2

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Fan drive circuit

Example of fan motor drive circuit

Three-phase brushless DC motor driver IC
Semi-power MOSFET

Three-phase brushless DC motor driver IC

Part Number	TC78B025FTG	TC78B027FTG	TC78B009FTG
Toshiba Package Name	P-VQFN24-0404-0.50-002	P-VQFN24-0404-0.50-003	P-WQFN36-0505-0.50-001
V_OUT (Max) [V]	18	18	30
I_OUT (Max) [A]	3.5	0.2	0.24
V_M [V]	5.5 to 16	5 to 16	5.5 to 27
R_ON (Typ.) [Ω]	0.2

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Semi-power MOSFET

Part Number	SSM6K341NU	SSM3K341R
Toshiba Package Name	SOT-1220 (UDFN6B)	SOT-23F
V_DSS (Max) [V]	60	60
I_D (Max) [A]	6.0	6.0
R_DS(ON) (Max) [Ω] @ \|V_GS\| = 4.5 [V]	0.051	0.051
Polarity	N-ch	N-ch

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Over temperature monitoring circuit

Example of multi-point over temperature monitoring circuit

Over temperature detection IC (1)
Over temperature detection IC(2)

Over temperature detection IC (Thermoflagger^TM )(1)

Part Number	TCTH011AE	TCTH012AE	TCTH021AE	TCTH022AE
Toshiba Package Name	SOT-553 (ESV)	SOT-553 (ESV)	SOT-553 (ESV)	SOT-553 (ESV)
V_DD (Min) [V]	1.7	1.7	1.7	1.7
V_DD (Max) [V]	5.5	5.5	5.5	5.5
I_DD (Typ.) [µA] @ T_j = 25 [°C]	1.8	1.8	11.3	11.3
I_PTCO (Typ.) [µA] @ T_j = 25 [°C]	1	1	10	10
FLAG Signal Output	Push-pull	Push-pull	Push-pull	Push-pull

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Over temperature detection IC (Thermoflagger^TM )(2)

Part Number	TCTH011BE	TCTH012BE	TCTH021BE	TCTH022BE
Toshiba Package Name	SOT-553 (ESV)	SOT-553 (ESV)	SOT-553 (ESV)	SOT-553 (ESV)
V_DD (Min) [V]	1.7	1.7	1.7	1.7
V_DD (Max) [V]	5.5	5.5	5.5	5.5
I_DD (Typ.) [µA] @ T_j = 25 [°C]	1.8	1.8	11.3	11.3
I_PTCO (Typ.) [µA] @ T_j = 25 [°C]	1	1	10	10
FLAG Signal Output	Open drain	Open drain	Open drain	Open drain

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Power line to storage devices

Example of power line protection circuit from controller hub to strage devices

Electronic fuse (eFuse IC) (1)

Part Number	TCKE800NA	TCKE805NA	TCKE812NA
Toshiba Package Name	WSON10B	WSON10B	WSON10B
V_IN (Max) [V]	18	18	18
R_ON (Typ.) [mΩ]	28	28	28
V_OVC (Typ.) [V]		6.04	15.1
Recovery Operation Type	Auto-retry	Auto-retry	Auto-retry

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Electronic fuse (eFuse IC) (2)

Part Number	TCKE800NL	TCKE805NL	TCKE812NL	TCKE712BNL
Toshiba Package Name	WSON10B	WSON10B	WSON10B	WSON10
V_IN (Max) [V]	18	18	18	13.2
R_ON (Typ.) [mΩ]	28	28	28	53
V_OVC (Typ.) [V]		6.04	15.1
Recovery Operation Type	Latch	Latch	Latch	Latch

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Schottky barrier diode (1)

Part Number	CUHS20F30	CUHS20F40
Toshiba Package Name	SOD-323HE (US2H)	SOD-323HE (US2H)
V_RRM (Max) [V]
V_R (Max) [V]	30	40
C_T (Typ.) [pF]	380	300

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Schottky barrier diode (2)

Part Number	CUHS10F60	CUHS15F60	CUHS20F60	CUHS15S60	CUHS20S60
Toshiba Package Name	SOD-323HE (US2H)	SOD-323HE (US2H)	SOD-323HE (US2H)	SOD-323HE (US2H)	SOD-323HE (US2H)
V_RRM (Max) [V]
V_R (Max) [V]	60	60	60	60	60
C_T (Typ.) [pF]	130	130	300	130	290

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Zener diode (1)

Part Number	CSLZ5V6	CUHZ5V6	CSLZ6V2	CUHZ6V2	CRY62
Toshiba Package Name	SOD-962 (SL2)	SOD-323HE (US2H)	SOD-962 (SL2)	SOD-323HE (US2H)	S-FLAT
P_D (Max) [W]	0.15	1.2	0.15	1.2	0.7
V_Z (Typ.) [V]	5.6	5.6	6.2	6.2	6.2

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Zener diode (2)

Part Number	CSLZ16V	CUHZ16V	CRZ16
Toshiba Package Name	SOD-962 (SL2)	SOD-323HE (US2H)	S-FLAT
P_D (Max) [W]	0.15	1.2	0.7
V_Z (Typ.) [V]	16	16	16

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Reference Design

1.6kW LLC Resonant AC-DC Converter for Servers

In order to reduce power consumption in data centers, the bus voltage of servers is increasingly changing to 48V.
This is the AC-DC converter for 48V servers. Equipped with Toshiba's latest generation of power MOSFETs and SiC diodes, it outputs 54.5V DC with high efficiency from 100V to 200V AC input.
This reference design provides explanations of the design points, usage methods, and adjustment methods of each part of the circuit, as well as design information including circuit diagrams, board patterns, etc. which can be useful for your design.

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eFuse Application Circuit (with Thermal Shutdown)

This reference design provides design guide, data and other contents of eFuse IC Application Circuit (with Thermal Shutdown) built on a small board. This circuit provides over temperature detection and protection by combining the eFuse IC and the Thermoflagger^TM (Over Temperature Detection IC).

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eFuse Application Circuit (with Enhanced Overcurrent Protection)

This reference design provides design guide, data and other contents of eFuse IC Application Circuit (with Enhanced Overcurrent Protection) built on a small board.
This circuit provides precise overcurrent shutdown by combining the eFuse IC and the Thermoflagger^TM used as an overcurrent detection device.

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48 V Bus Compatible 1.2 V/100 A Double Step-Down DC-DC Converter

In recent years, saving energy in servers has become an urgent issue because of the rapid increase in server power consumption. To resolve the issue, Toshiba has developed this 48V bus compatible DC-DC converter with 1.2V/100A output.
This design is a two-stage DC-DC converter capable of delivering 1.2V/100A to various devices from the 48V bus line. Since each stage uses Toshiba power MOSFETs that have good balance between on-resistance and charge characteristics, it achieves high efficiency.
Design tips on each portion of the circuit, method of operation, and design information such as circuit diagrams and PCB patterns are available, please use them for your design.

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1.6 kW Server Power Supply (Upgraded)

Thanks to Toshiba’s latest power devices and digital isolator, this 1U size and 12 V output 1.6 kW server power supply achieves higher efficiency at whole load than the existing reference design which uses the same circuit topology. Design files and guides for circuit design and operation are available as reference design.

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3-Phase Inverter Using SiC MOSFET

This reference design provides design guide, data and other contents of the 3-phase inverter using 1200 V SiC MOSFET. It drives AC 440V motors.

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Over Temperature Detection IC Thermoflagger™ Application Circuit (TCTH021AE / Push-pull type)

This reference design provides design guide, data and other contents of Over Temperature Detection IC Thermoflagger™ Application Circuits (TCTH021AE / Push-pull type). In combination with PTC thermistor(s), the Thermoflagger™ can be used to detect over temperature at multiple locations within a device. Details of other application circuits of the Thermoflagger™ are also provided.

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Over Temperature Detection IC Thermoflagger™ Application Circuit (TCTH021BE / Open-drain type)

This reference design provides design guide, data and other contents of Over Temperature Detection IC Thermoflagger™ Application Circuit (TCTH021BE / Open-drain type). In combination with PTC thermistor(s), this Thermoflagger™ can be used to detect over temperature at multiple locations within a device.

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1 kW Non-Isolated Buck-Boost DC-DC Converter for Telecommunication Equipment

This reference design provides design guide, data and other contents of 1 kW Non-Isolated Buck-Boost DC-DC Converter for Telecommunication Equipment.

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1.6 kW T-Type 3-Level PFC Power Supply

This reference design provides design guide, data and other contents of 1.6kW AC-DC converter power supply using T-Type 3-Level power factor correction (PFC) circuit.

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100 W LLC DC-DC Converter

This reference design provides design guide, data and other contents of 100 W LLC DC-DC Converter which uses Zero Volt Switching implemented using LLC resonance.

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200 W Active Clamp Forward DC-DC Converter

This reference design provides design guide, data and other contents of 1 kW server power supply using phase shifetd full-bridge DC-DC converter.

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