Smart Plug

Smart Plug

Such as AC isolation, high efficiency and miniaturization are important in designing smart plug. Toshiba provides information on a wide range of semiconductor products suitable for AC switch units, power supply units, wireless and key switch 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.

 AC-DC Converter AC-DCConverter AC Inlet AC Inlet LDO LDO AC Outlet AC Outlet Key Switch Key Switch Wireless Control Wireless Control Power Supply Power Supply Mechanical Relay MechanicalRelay AC Switch AC Switch Wireless Module WirelessModule SBD SBD MCU MCU MOSFET MOSFET TVS TVS TVS TVS LDO LDO Power supply circuit Wireless and key switch input circuit AC switch circuit
Wireless and key switch input circuit

Example of wireless and key switch input circuit

AC switch circuit

Example of AC switch circuit using mechanical relay

Example of AC switch circuit using photorelay

Example of AC switch circuit using photovoltaic output photocouplers and MOSFETs

Example of AC switch circuit using triac and triac output photocouplers

Power supply circuit

Example of power supply circuit

Sub block diagram

Wireless and key switch input circuit
Wireless and key switch input circuit

Example of wireless and key switch input circuit

Example of wireless and key switch input circuit
TVS diode
Part Number
DF2B7ASL
DF2B5M4SL
DF2B6M4SL
DF2B6M4BSL
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2)
VESD (Max) [kV] +/-30 +/-20 +/-20 +/-8
IR (Max) [µA] 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.2 0.5 0.5 1.05
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 8.5 0.2 0.2 0.12
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AC switch circuit
AC switch circuit using mechanical relay

Example of AC switch circuit using mechanical relay

Example of AC switch circuit using mechanical relay
Schottky barrier diode
Part Number
CRS03
CRS13
Toshiba Package Name S-FLAT S-FLAT
VRRM (Max) [V] 30 60
VR (Max) [V]    
CT (Typ.) [pF]    
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Small signal MOSFET
Part Number
SSM3K36FS
SSM3K56FS
Toshiba Package Name SOT-416 (SSM) SOT-416 (SSM)
VDSS (Max) [V] 20 20
ID (Max) [A] 0.5 0.8
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.66 0.235
Polarity N-ch N-ch
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AC switch circuit using photorelay (less than 0.3 A)

Example of AC switch circuit using photorelay

Example of AC switch circuit using photorelay
Photorelay
Part Number
TLP3549
Toshiba Package Name DIP8
BVS (Min) [Vrms] @ t = 60 [s] 2500
ION (Max) [A] 0.6
RON (Max) [Ω] 2
IFT (Max) [mA] 5
IFC (Max) [mA]  
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AC switch circuit using photovoltaic output photocouplers and MOSFETs (around 0.3 A to 1 A)

Example of AC switch circuit using photovoltaic output photocouplers and MOSFETs

Example of AC switch circuit using photovoltaic output photocouplers and MOSFETs
Photovoltaic output photocoupler
Part Number
TLP3906
TLP3910
Toshiba Package Name 4pin SO6 SO6L
BVS (Min) [Vrms] @ t = 60 [s] 3750 5000
ISC (Min) [µA] @ IF = 10 [mA] 12 12
VOC (Min) [V] @ IF = 10 [mA] 7 14
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DTMOSⅣ Series MOSFET
Part Number
TK8P60W
TK16G60W
Toshiba Package Name DPAK D2PAK
VDSS (Max) [V] 600 600
ID (Max) [A] 8.0 15.8
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.5 0.19
Polarity N-ch N-ch
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AC switch circuit using triac and triac output photocouplers (1 A or more)

Example of AC switch circuit using triac and triac output photocouplers

Example of AC switch circuit using triac and triac output photocouplers
Triac output photocoupler
Part Number
TLP265J
TLP266J
TLP267J
TLP268J
Toshiba Package Name 4pin SO6 4pin SO6 4pin SO6 4pin SO6
BVS (Min) [Vrms] @ t = 60 [s] 3750 3750 3750 3750
Topr [°C] -40 to 100 -40 to 100 -40 to 100 -40 to 100
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Power supply circuit
Power supply circuit

Example of power supply circuit

Example of power supply circuit
Small surface mount LDO regulator(1)
Part Number
TCR15AG Series
TCR13AG Series
TCR8BM Series
TCR5BM Series
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
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Small surface mount LDO regulator(2)
Part Number
TCR5RG Series
TCR3RM Series
TCR3U Series
TCR2L Series
TAR5 Series
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
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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_SmartPlug / English (PDF:1.0MB)
SolutionProposal_SmartPlug / Japanese (PDF:1.3MB)

Reference Design

This is a picture of the DFN4D package.
TCR3EMxxA / 3DMxxA / 3LMxxA Series LDO Regulators With 300mA Output in Small DFN4D Package for Power Supply Circuit Applications
The lineup includes three series of small package LDO regulators that are ideal for mobile devices, etc. becuase of their features (standard type, low dropout voltage type, and low current consumption type). We provide the description of features, design points, and usage methods of each series.
세부 사항
Power supply circuit example of LDO regulator TCR3UG series application for power supply of IoT devices.
LDO Regulator TCR3UG Series Application for Power Supply of IoT Devices
This reference design provides document with low consumption current, PSRR, and dynamic response.The LDO has small package, low consumed power, and fast load transient response.
세부 사항
Power supply circuit example of LDO regulator TCR15AG (fixed output voltage type) application & circuit.
LDO Regulator TCR15AG (fixed output voltage type) Application & Circuit
This reference design provides document with PSRR, dynamic response and controlling output voltage.The LDO has very small package and fixed output voltage for consumer application.
세부 사항
Power supply circuit example of LDO regulator TCR15AGADJ application & circuit.
LDO Regulator TCR15AGADJ Application & Circuit
This reference design provides document with PSRR, dynamic response and controlling output voltage. The LDO has very small package and adjustable output for consumer application.
세부 사항

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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  • All other company names, product names, and service names may be trademarks of their respective companies.
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