Uninterruptible power supply

Uninterruptible power supply

Such as low power consumption and miniaturization are important in designing uninterruptible power supply (UPS). Toshiba provides information on a wide range of semiconductor products suitable for power sullpy units, inverter/converter units, control units, signal transmission units, etc., along with circuit configuration examples.

Overall block diagram

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 Gate Driver GateDriver Gate Driver GateDriver Gate Driver GateDriver Gate Driver GateDriver Gate Driver GateDriver Gate Driver GateDriver ISO AMP ISOAMP ISO AMP ISOAMP IB-LS IB-LS IB-HS IB-HS VB-SENSE VB-SENSE Gate Driver GateDriver ISO AMP ISOAMP Main MCU Main MCU Isolation Isolation Communication MCU CommunicationMCU Display Display USB USB CAN CAN RS-232C RS-232C RS-422/485 RS-422/485 30 to 60 V 30 to 60 V 300 to 400 V 300 to 400 V Gate Driver GateDriver Gate Driver GateDriver MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET Voltage and current detection signal transmission line Control signal transmission line Power supply to main MCU DC-DC converter and control circuit Communication signal transmission line Power supply to communication MCU Display unit USB interface RS-232 interface
USB interface

Example of ESD protection circuit for USB signal line

RS-232 interface

Example of ESD protection circuit for RS-232C signal line

Display unit

Example of ESD protection circuit for a display signal line

Control signal transmission line between MCU and converter

Example of control signal transmission circuit between MCU and converter

Communication signal transmission line between MCUs

Example of communication signal transmission circuit between MCUs

Voltage and current detection signal transmission line

Example of voltage and current detection signal transmission circuit between power line and MCU

DC-DC converter and control circuit

Example of DC-DC converter and control circuit

Power supply to analog front end

Example of power supply circuit to analog front end

Power supply to main MCU

Example of power supply circuit to main MCU

Power supply to communication MCU

Example of power supply circuit to communication MCU

Click the area you want to check the details in the overall block diagram. Show links to our proposed sub-block diagram.

 PFC Controller PFCController Main MCU MainMCU AC Input AC Input DC Output 300 to 400 V DC Output300 to 400 V MOSFET MOSFET AC-DC converter (with PFC circuit) and control circuit Power supply to main MCU
AC-DC converter (with PFC circuit) and control circuit

Example of AC-DC converter (with PFC circuit) and control circuit

Power supply to main MCU

Example of power supply circuit to main MCU

Click the area you want to check the details in the overall block diagram. Show links to our proposed sub-block diagram.

 Gate Driver GateDriver Gate Driver GateDriver Gate Driver GateDriver Gate Driver GateDriver Main MCU MainMCU AC Output AC Output C C DC Input 300 to 400 V DC Input300 to 400 V MOS FET MOSFET MOS FET MOSFET MOS FET MOSFET MOS FET MOSFET Power supply to main MCU DC-AC inverter and control circuit
DC-AC inverter and control circuit

Example of DC-AC inverter and control circuit

Power supply to main MCU

Example of power supply circuit to main MCU

Sub block diagram

USB interface
USB interface

Example of ESD protection circuit for USB signal line

Example of ESD protection circuit for USB signal line
TVS diode
Part Number
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2)
VESD (Max) [kV] +/-30 +/-20 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.2 0.5 0.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 8.5 0.2 0.2
RS-232 interface
RS-232 interface

Example of ESD protection circuit for RS-232C signal line

Example of ESD protection circuit for RS-232C signal line
TVS diode
Part Number
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2)
VESD (Max) [kV] +/-30 +/-20 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.2 0.5 0.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 8.5 0.2 0.2
Display unit
Display unit

Example of ESD protection circuit for a display signal line

Example of ESD protection circuit for a display signal line
TVS diode
Part Number
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2)
VESD (Max) [kV] +/-30 +/-20 +/-20
IR (Max) [µA] 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.2 0.5 0.5
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 8.5 0.2 0.2
Control signal transmission line between MCU and converter
Control signal transmission line between MCU and converter

Example of control signal transmission circuit between MCU and converter

Example of control signal transmission circuit between MCU and converter
Gate driver photocoupler
Part Number
Toshiba Package Name SO16L SO16L SO16L SO16L SO6L SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000 5000 5000 5000
VCC / VDD (Min) [V] 15 15 15 15.0 15 15
VCC / VDD (Max) [V] 30 30 30 23.5 30 30
ICC / IDD (Max) [mA] 3.8 5 5 10.2 3 3
Output Interface totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF)  
Communication signal transmission line between MCUs
Communication signal transmission line between MCUs

Example of communication signal transmission circuit between MCUs

Example of communication signal transmission circuit between MCUs
Photocoupler for high speed communication
Part Number
Toshiba Package Name SO6L SO6L SO6L SO8L(LF4) SO8L(LF4) SO8L(LF4)
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000 5000 5000 5000
VCC / VDD (Min) [V] 2.7 2.7 2.7 2.7 2.7 2.7
VCC / VDD (Max) [V] 5.5 5.5 5.5 5.5 5.5 5.5
ICC / IDD (Max) [mA] 0.3 1 0.4 0.6 2 0.8
Output Interface totem-pole(BUF) totem-pole(INV) totem-pole(BUF) totem-pole(BUF) totem-pole(INV) totem-pole(BUF)
Voltage and current detection signal transmission line
Voltage and current detection signal transmission line

Example of voltage and current detection signal transmission circuit between power line and MCU

Example of voltage and current detection signal transmission circuit between power line and MCU
Isolation amplifier
Part Number
Toshiba Package Name SO8L(LF4) SO8L(LF4)
Output Interface Analog output Digital output
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000
VDD1 (Max) [V] 5.5 5.5
VDD2 (Max) [V] 5.5 5.5
IDD1 (Max) [mA] @ VIN+ = 0 [V] 12 12
IDD2 (Max) [mA] @ VIN+ = 0 [V] 10 8
DC-DC converter and control circuit
DC-DC converter and control circuit

Example of DC-DC converter and control circuit

Example of DC-DC converter and control circuit
DTMOS Series MOSFET(1)
Part Number
Toshiba Package Name TO-220SIS TO-220SIS TO-220SIS TO-220SIS
VDSS (Max) [V] 600 600 650 650
ID (Max) [A] 25 15.8 24 15
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.125 0.23 0.11 0.19
Polarity N-ch N-ch N-ch N-ch
DTMOS Series MOSFET(2)
Part Number
Toshiba Package Name TOLL TOLL
VDSS (Max) [V] 650 650
ID (Max) [A] 24 15
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.11 0.19
Polarity N-ch N-ch
SiC MOSFET
Part Number
Toshiba Package Name TO-247 TO-247 TO-247-4L(X) TO-247-4L(X)
VDSS (Max) [V] 650 1200 650 1200
ID (Max) [A] 100 100 100 100
RDS(ON) (Max) [Ω] @ |VGS| = 18.0 [V] 0.021 0.02 0.022 0.021
Polarity N-ch N-ch N-ch N-ch
U-MOS Series MOSFET(1)
Part Number
Toshiba Package Name TSON Advance SOP Advance(N) SOP Advance SOP Advance / SOP Advance(N) TO-220SIS
VDSS (Max) [V] 80 80 80 150 80
ID (Max) [A] 34 86 120 64 100
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.019 0.004 0.00243 0.009 0.00244
Polarity N-ch N-ch N-ch N-ch N-ch
U-MOS Series MOSFET(2)
Part Number
Toshiba Package Name TO-220 TO-220
VDSS (Max) [V] 80 100
ID (Max) [A] 120 207
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.00244 0.0034
Polarity N-ch N-ch
Gate driver photocoupler
Part Number
Toshiba Package Name SO16L SO16L SO16L SO16L SO6L SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000 5000 5000 5000
VCC / VDD (Min) [V] 15 15 15 15.0 15 15
VCC / VDD (Max) [V] 30 30 30 23.5 30 30
ICC / IDD (Max) [mA] 3.8 5 5 10.2 3 3
Output Interface totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF)  
Power supply to analog front end
Power supply to analog front end

Example of power supply circuit to analog front end

Example of power supply circuit to analog front end
Small surface mount LDO regulator(1)
Part Number
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
Small surface mount LDO regulator(2)
Part Number
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
Power supply to main MCU
Power supply to main MCU

Example of power supply circuit to main MCU

Example of power supply circuit to main MCU
Small surface mount LDO regulator(1)
Part Number
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
Small surface mount LDO regulator(2)
Part Number
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
Power supply to communication MCU
Power supply to communication MCU

Example of power supply circuit to communication MCU

Example of power supply circuit to communication MCU
Small surface mount LDO regulator(1)
Part Number
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
Small surface mount LDO regulator(2)
Part Number
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
AC-DC converter (with PFC circuit) and control circuit
AC-DC converter (with PFC circuit) and control circuit

Example of AC-DC converter (with PFC circuit) and control circuit

Example of AC-DC converter (with PFC circuit) and control circuit
DTMOS Series MOSFET(1)
Part Number
Toshiba Package Name TO-220SIS TO-220SIS TO-220SIS TO-220SIS
VDSS (Max) [V] 600 600 650 650
ID (Max) [A] 25 15.8 24 15
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.125 0.23 0.11 0.19
Polarity N-ch N-ch N-ch N-ch
DTMOS Series MOSFET(2)
Part Number
Toshiba Package Name TOLL TOLL
VDSS (Max) [V] 650 650
ID (Max) [A] 24 15
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.11 0.19
Polarity N-ch N-ch
SiC MOSFET
Part Number
Toshiba Package Name TO-247 TO-247 TO-247-4L(X) TO-247-4L(X)
VDSS (Max) [V] 650 1200 650 1200
ID (Max) [A] 100 100 100 100
RDS(ON) (Max) [Ω] @ |VGS| = 18.0 [V] 0.021 0.02 0.022 0.021
Polarity N-ch N-ch N-ch N-ch
SiC Schottky barrier diode
Part Number
Toshiba Package Name TO-220F-2L TO-247 TO-220-2L TO-220-2L DFN 8×8 DFN 8×8
IF(DC) (Max) [A] 12 24 2 12 4 12
VRRM (Max) [V] 650 650 650 650 650 650
VF (Max) [V] 1.6 1.6 1.35 1.35 1.35 1.35
IR (Max) [µA] @ VRRM (Max) 60 60 40 120 55 120
Gate driver photocoupler
Part Number
Toshiba Package Name SO16L SO16L SO16L SO16L SO6L SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000 5000 5000 5000
VCC / VDD (Min) [V] 15 15 15 15.0 15 15
VCC / VDD (Max) [V] 30 30 30 23.5 30 30
ICC / IDD (Max) [mA] 3.8 5 5 10.2 3 3
Output Interface totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF)  
Power supply to main MCU
Power supply to main MCU

Example of power supply circuit to main MCU

Example of power supply circuit to main MCU
Small surface mount LDO regulator(1)
Part Number
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500
VOUT [V] 0.6 to 3.6 0.55 to 3.6 0.8 to 3.6 0.8 to 3.6
Small surface mount LDO regulator(2)
Part Number
Toshiba Package Name WCSP4F DFN4F WCSP4F SOT-553 (ESV) SOT-25 (SMV)
IOUT (Max) [mA] 500 300 300 200 200
VOUT [V] 0.9 to 5.0 0.9 to 4.5 0.8 to 5.0 0.8 to 3.6 1.5 to 5.0
DC-AC inverter and control circuit
DC-AC inverter and control circuit

Example of DC-AC inverter and control circuit

Example of DC-AC inverter and control circuit
DTMOS Series MOSFET(1)
Part Number
Toshiba Package Name TO-220SIS TO-220SIS TO-220SIS TO-220SIS
VDSS (Max) [V] 600 600 650 650
ID (Max) [A] 25 15.8 24 15
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.125 0.23 0.11 0.19
Polarity N-ch N-ch N-ch N-ch
DTMOS Series MOSFET(2)
Part Number
Toshiba Package Name TOLL TOLL
VDSS (Max) [V] 650 650
ID (Max) [A] 24 15
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.11 0.19
Polarity N-ch N-ch
SiC MOSFET
Part Number
Toshiba Package Name TO-247 TO-247 TO-247-4L(X) TO-247-4L(X)
VDSS (Max) [V] 650 1200 650 1200
ID (Max) [A] 100 100 100 100
RDS(ON) (Max) [Ω] @ |VGS| = 18.0 [V] 0.021 0.02 0.022 0.021
Polarity N-ch N-ch N-ch N-ch
Gate driver photocoupler
Part Number
Toshiba Package Name SO16L SO16L SO16L SO16L SO6L SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 5000 5000 5000 5000 5000
VCC / VDD (Min) [V] 15 15 15 15.0 15 15
VCC / VDD (Max) [V] 30 30 30 23.5 30 30
ICC / IDD (Max) [mA] 3.8 5 5 10.2 3 3
Output Interface totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF) totem-pole(BUF)  
Power supply to main MCU
Power supply to main MCU

Example of power supply circuit to main MCU

Example of power supply circuit to main MCU
Small surface mount LDO regulator(1)
Part Number
Toshiba Package Name WCSP6F WCSP6F DFN5B DFN5B
IOUT (Max) [mA] 1500 1300 800 500