Warm Water Bidet

Warm Water Bidet

Such as high efficiency, low power consumption and miniaturization are important in designing warm water bidet. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, motor driving units, etc., along with circuit configuration examples.

Overall block diagram

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

 12 V: Motor, Pump, Fan 12 V: Motor, Pump, Fan Up to 5 V: MCU, Sensor, LED, etc. Up to 5 V: MCU, Sensor, LED, etc. AC AC Open/Close Sensor Open/CloseSensor Remote Control Receiver Remote ControlReceiver Flash Flash AC-DC Converter AC-DCConverter DC-DC Converter DC-DCConverter Beep/ Indicator Beep/Indicator Heater Toilet Seat HeaterToilet Seat Water Tap Valve Water TapValve Heater Warm Water HeaterWarm Water Seating Sensor SeatingSensor 12 V 12 V MOSFET /MCD MOSFET/MCD Shower Pump Shower Pump Nozzle Movement NozzleMovement MOSFET /MCD MOSFET/MCD Deodorizing Fan Deodorizing Fan Lid and Seat Open/Close Motor Lid and SeatOpen/Close Motor Drying Air Fan Drying Air Fan Transistor Array Transistor Array MOSFET /MCD MOSFET/MCD MCU MCU Isolation Isolation Isolation Isolation Isolation Isolation Flyback type AC-DC converter circuit Heater/Water tap control circuit LED drive circuit Nozzle motor drive circuit Lid and seat open/close brushed DC motor drive circuit Fan motor drive circuit
Fan motor drive circuit

Example of fan motor drive circuit using MCU / Brushed DC motor

Example of fan motor drive circuit using MCU / Brushless DC motor

LED drive circuit

Example of LED drive circuit using MCU

Heater/Water tap control circuit

Example of heater/water tap control circuit using triac output photocoupler

Lid and seat open/close brushed DC motor drive circuit

Example of brushed DC motor drive circuit using H-bridge

Example of brushed DC motor drive circuit using MCD with H-bridge

Flyback type AC-DC converter circuit

Example of a flyback type AC-DC converter circuit with feedback using a photocoupler

Nozzle motor drive circuit

Example of nozzle motor drive circuit using transistor array

Sub block diagram

Fan motor drive circuit
Fan motor drive circuit

Example of fan motor drive circuit using MCU / Brushed DC motor

Example of fan motor drive circuit using MCU / Brushed DC motor
General purpose operational amplifier
Part Number
TC75S51FU
TC75S103F
Toshiba Package Name SOT-353 (USV) SOT-25 (SMV)
VCC (Max) [V] 7 5.5
VCC, VEE (Max) [V] +/-3.5 +/-2.75
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Small signal MOSFET
Part Number
SSM3K56MFV
SSM6N56FE
Toshiba Package Name SOT-723 (VESM) SOT-563 (ES6)
VDSS (Max) [V] 20 20
ID (Max) [A] 0.8 0.8
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.235 0.235
Polarity N-ch N-ch×2
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TXZ+TM 3A Series M3H Group
Series TXZ+TM 3A Series
Group M3H Group
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Fan motor drive circuit (with MCD)

Example of fan motor drive circuit using MCU / Brushless DC motor

Example of fan motor drive circuit using MCU / Brushless DC motor
Single phase brushless DC motor driver
Part Number
TC78B002FNG
TC78B002FTG
Toshiba Package Name SSOP16-P-225-0.65B P-WQFN16-0303-0.50-002
VOUT (Max) [V] 18 18
IOUT (Max) [A] 1.5 1.5
VM [V] 5.5 to 16 5.5 to 16
RON (Typ.) [Ω] 1.6 1.6
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Three-phase brushless DC motor driver
Part Number
TC78B016FTG
Toshiba Package Name P-WQFN36-0505-0.50-001
VOUT (Max) [V] 40
IOUT (Max) [A] 3
VM [V] 6 to 30
RON (Typ.) [Ω] 0.24
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TXZ+TM 3A Series M3H Group
Series TXZ+TM 3A Series
Group M3H Group
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LED drive circuit
LED drive circuit

Example of LED drive circuit using MCU

Example of LED drive circuit using MCU
Rectifier diode
Part Number
CMG06A
Toshiba Package Name M-FLAT
VRRM (Max) [V] 600
IF(AV) (Max) [A] 1
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Small signal MOSFET
Part Number
SSM3K56MFV
SSM6N56FE
Toshiba Package Name SOT-723 (VESM) SOT-563 (ES6)
VDSS (Max) [V] 20 20
ID (Max) [A] 0.8 0.8
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.235 0.235
Polarity N-ch N-ch×2
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TXZ+TM 3A Series M3H Group
Series TXZ+TM 3A Series
Group M3H Group
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Heater/Water tap control circuit
Heater/Water tap control circuit

Example of heater/water tap control circuit using triac output photocoupler

Example of heater/water tap control circuit using triac output photocoupler
Triac output photocoupler
Part Number
TLP267J
TLP3052A
Toshiba Package Name 4pin SO6 5pin DIP6
BVS (Min) [Vrms] @ t = 60 [s] 3750 5000
Topr [°C] -40 to 100 -40 to 100
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TXZ+TM 3A Series M3H Group
Series TXZ+TM 3A Series
Group M3H Group
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Lid and seat open/close brushed DC motor drive circuit
Lid and seat open/close brushed DC motor drive circuit

Example of brushed DC motor drive circuit using H-bridge

Example of brushed DC motor drive circuit using H-bridge
U-MOS Series N-ch MOSFET
Part Number
TPH2R903PL
TPH3R003PL
TPH4R803PL
TPN2R903PL
TPN5R203PL
Toshiba Package Name SOP Advance SOP Advance SOP Advance TSON Advance TSON Advance
VDSS (Max) [V] 30 30 30 30 30
ID (Max) [A] 124 134 90 122 76
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0029 0.003 0.0048 0.0029 0.0052
Polarity N-ch N-ch N-ch N-ch N-ch
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U-MOS Series P-ch MOSFET
Part Number
TPCA8120
Toshiba Package Name SOP Advance
VDSS (Max) [V] -30
ID (Max) [A] -45
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.003
Polarity P-ch
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Intelligent power device (IPD)
Part Number
TPD7211F
Toshiba Package name PS-8
VBB (Max) [V]  
VCC (Max) [V]  
IO (Max) [A] +0.5/-0.5
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Lid and seat open/close brushed DC motor drive circuit (with MCD)

Example of brushed DC motor drive circuit using MCD with H-bridge

Example of brushed DC motor drive circuit using MCD with H-bridge
1ch brushed DC motor driver
Part Number
TB67H450AFNG
TB67H451AFNG
Toshiba Package Name P-HSOP8-0405-1.27-002 P-HSOP8-0405-1.27-002
VOUT (Max) [V] 50 50
IOUT (Max) [A] 3.5 3.5
VM [V] 4.5 to 44 4.5 to 44
RON(Normal) (Typ.) [Ω] 0.6 0.6
RON(Large) (Typ.) [Ω]    
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2ch brushed DC motor driver
Part Number
TB67H400AFNG
TB67H400AFTG
TB67H400AHG
TB67H400ANG
TB67H410FTG
TB67H410NG
Toshiba Package Name HTSSOP48-P-300-0.50 P-WQFN48-0707-0.50-003 HZIP25-P-1.00F SDIP24-P-300-1.78 P-WQFN48-0707-0.50-003 SDIP24-P-300-1.78
VOUT (Max) [V] 50 50 50 50 50 50
IOUT (Max) [A]            
VM [V] 10 to 47 10 to 47 10 to 47 10 to 47 10 to 47 10 to 47
RON(Normal) (Typ.) [Ω] 0.49 0.49 0.49 0.49 0.8 0.8
RON(Large) (Typ.) [Ω] 0.245 0.245 0.245 0.245 0.4 0.4
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TXZ+TM 3A Series M3H Group
Series TXZ+TM 3A Series
Group M3H Group
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Flyback type AC-DC converter circuit
Flyback type AC-DC converter circuit

Example of a flyback type AC-DC converter circuit with feedback using a photocoupler

Example of a flyback type AC-DC converter circuit with feedback using a photocoupler
Transistor output photocoupler
Part Number
TLP383
Toshiba Package Name 4pin SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000
VCEO (Max) [V] 80
Topr [°C] -55 to 125
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Nozzle motor drive circuit
Nozzle motor drive circuit (with transistor array)

Example of nozzle motor drive circuit using transistor array

Example of nozzle motor drive circuit using transistor array
Transistor array
Part Number
TBD62003AFWG
TBD62083AFG
TBD62064AFAG
Toshiba Package Name SOL16 SOP18-P-375-1.27 P-SSOP24-0613-1.00-001
Number of Circuits 7 8 4
IOUT (Max) [mA/ch] 500 500 1500
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TXZ+TM 3A Series M3H Group
Series TXZ+TM 3A Series
Group M3H Group
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Solution Proposal

These documents explain the key points of recommended semiconductor products and their features. Please use them for product selection.

Solution Proposal
SolutionProposal_Warm water bidet / English (PDF:1.5MB)
SolutionProposal_Warm water bidet / Japanese (PDF:2.1MB)

문서

Please see the following pages for other documents.

Video

개발/설계 지원

스위치 모드 전원공급 라이브러리

you can select and download various basic topologies of a power supply unit based on your actual requirements in order to verify the behavior of MOSFETs with your simulation environment.

스위치 모드 전원공급 라이브러리
Motor Control and Driver Circuit Library

you can select and download various basic topologies of motor driver such as three-phase inverter circuit based on your actual requirements in order to verify the behavior of MOSFETs and another devices for your simulation environment.

Motor Control and Driver Circuit Library
Online Circuit Simulator

This service allows users to easily perform pre-verification of MOSFETs without the need to build a simulation environment.

Online Circuit Simulator
EDA/CAD Model Library

We provide simulation data, 3D models of packages, and land pattern models (2D models) used when developing product boards.

EDA/CAD Model Library
MCU Motor Studio

MCU Motor Studio features a PC Tool and motor control firmware dedicated to the TXZ+TM Family Advanced Class microcontrollers from Toshiba.

MCU Motor Studio
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  • Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
  • M-FLATTM and TXZ+TM are trademarks of Toshiba Electronic Devices & Storage Corporation.
  • All other company names, product names, and service names may be trademarks of their respective companies.
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