Wireless Charger

Wireless Charger

Such as low power consumption and miniaturization are important in designing wireless charger. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, inverter circuit unit, etc., along with circuit configuration examples.

Overall block diagram

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 Feed Coil FeedCoil DC in 12 V DC in 12 V eFuse IC / Gate Driver IC & N-ch MOSFET eFuse IC /Gate Driver IC& N-ch MOSFET Status LEDs StatusLEDs MCU MCU Inverter Circuit InverterCircuit Current Sensor CurrentSensor DC-DC DC-DC Full-bridge inverter circuit IC-driven DC-DC power supply circuit
IC-driven DC-DC power supply circuit

Example of power supply circuit using discrete solution and control IC

Example of power supply circuit using discrete solution and control IC

Full-bridge inverter circuit

Example of inverter circuit using discrete solution and control IC

Sub block diagram

IC-driven DC-DC power supply circuit
IC-driven DC-DC power supply circuit (1)

Example of power supply circuit using discrete solution and control IC

Example of power supply circuit using discrete solution and control IC
Low on-resistance products are available in the lineup. Improvement of trade-off characteristics between on-resistance and capacitance contributes to energy saving.
Part Number
Toshiba Package Name TSON Advance TSON Advance TSON Advance
VDSS (Max) [V] 40 80 80
ID (Max) [A] 68 32 26
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0075 0.0084 0.0123
Polarity N-ch N-ch N-ch
Low on-resistance products are available in the lineup. Improvement of trade-off characteristics between on-resistance and capacitance contributes to energy saving.
Part Number
Toshiba Package Name SOP Advance DPAK+ DPAK DPAK
VDSS (Max) [V] 40 60 80 80
ID (Max) [A] 72 90 84 62
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0072 0.0033 0.0051 0.0069
Polarity N-ch N-ch N-ch N-ch
Low on-resistance is realized and it contributes to high power supply efficiency.
Part Number
Toshiba Package Name WCSP6E WCSP6E WCSP6E WCSP6E WCSP4G
VIN (Max) [V] 6.0 6.0 6.0 6.0 6.0
IOUT(DC) (Max) [A] 2.0 2.0 2.0 2.0 1.0
Low on-resistance is realized and it contributes to high power supply efficiency.
Part Number
Toshiba Package Name WCSP6E WCSP6E WCSP6E WCSP6E WCSP6E
VIN (Max) [V] 6.0 6.0 6.0 6.0 6.0
IOUT(DC) (Max) [A] 2.0 2.0 2.0 2.0 2.0
Wide lineup from general purpose type to WCSP (Wafer Level Chip Size Package) type are provided. Contribute to realize a stable power supply.
Part Number
Toshiba Package Name WCSP6F DFN5B DFN4D WCSP4F DFN4F
IOUT (Max) [mA] 1500 800 500 500 300
VOUT [V] 0.6 to 3.6 0.8 to 3.6 0.9 to 5.0 0.9 to 5.0 0.9 to 4.5
Wide lineup from general purpose type to WCSP (Wafer Level Chip Size Package) type are provided. Contribute to realize a stable power supply.
Part Number
Toshiba Package Name SOT-25 (SMV) DFN4D DFN4D DFN4D SOT-25 (SMV)
IOUT (Max) [mA] 300 300 300 300 150
VOUT [V] 0.8 to 5.0 0.8 to 5.0 1.0 to 4.5 0.8 to 5.0 1.8 to 5.0
This absorbs static electricity (ESD) from external terminals, prevents circuit malfunction and protects devices.
Part Number
Toshiba Package Name SOD-323 (USC) SOD-323 (USC) SOD-323 (USC) SOD-323 (USC)
VESD (Max) [kV] +/-30 +/-30 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.08 0.08 0.08 0.13
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 600 280 270 160
IC-driven DC-DC power supply circuit (2)

Example of power supply circuit using discrete solution and control IC

Example of power supply circuit using discrete solution and control IC
Electronic fuse (eFuse IC) can be used repeatedly to protect circuits from abnormal conditions such as over current and over voltage.
Part Number
Toshiba Package Name WSON10B WSON10 WSON8 TSOP6F
VIN [V] 4.4 to 18 4.4 to 13.2 2.7 to 23 4.4 to 30
RON (Typ.) [mΩ] 28 53 34 52
It is N-ch MOSFET gate driver IC with Over Voltage Protection function. It contributes to reduction of power consumption and miniaturization of load switch circuit.
Part Number
Toshiba Package Name WCSP6E WCSP6E WCSP6G WCSP6G WCSP6G
VOVL_FA (Typ.) [V]     27.56 23.14 14.17
VOVL_RI (Typ.) [V]     27.73 23.26 14.29
VGS (Typ.) [V] 8.5 8.5 10 10 10
It is N-ch MOSFET gate driver IC with Over Voltage Protection function. It contributes to reduction of power consumption and miniaturization of load switch circuit.
Part Number
Toshiba Package Name WCSP6G WCSP6G WCSP6G
VOVL_FA (Typ.) [V] 14.17 10.71 6.19
VOVL_RI (Typ.) [V] 14.29 10.83 6.31
VGS (Typ.) [V] 5.6 5.6 5.6
Full-bridge inverter circuit
Full-bridge inverter circuit

Example of inverter circuit using discrete solution and control IC

Example of inverter circuit using discrete solution and control IC
Low on-resistance products are available in the lineup. Improvement of trade-off characteristics between on-resistance and capacitance contributes to energy saving.
Part Number
Toshiba Package Name TSON Advance TSON Advance TSON Advance
VDSS (Max) [V] 40 80 80
ID (Max) [A] 68 32 26
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0075 0.0084 0.0123
Polarity N-ch N-ch N-ch
Low on-resistance products are available in the lineup. Improvement of trade-off characteristics between on-resistance and capacitance contributes to energy saving.
Part Number
Toshiba Package Name SOP Advance DPAK+ DPAK DPAK
VDSS (Max) [V] 40 60 80 80
ID (Max) [A] 72 90 84 62
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.0072 0.0033 0.0051 0.0069
Polarity N-ch N-ch N-ch N-ch
Wide voltage lineup using small size package with high power dissipation. It contributes to shorten the turn off time of gate voltage.
Part Number
Toshiba Package Name SOD-323HE (US2H) SOD-323HE (US2H)
VRRM (Max) [V]    
VR (Max) [V] 30 40
CT (Typ.) [pF] 380 300
Wide voltage lineup using small size package with high power dissipation. It contributes to shorten the turn off time of gate voltage.
Part Number
Toshiba Package Name SOD-323HE (US2H) SOD-323HE (US2H) SOD-323HE (US2H) SOD-323HE (US2H) SOD-323HE (US2H)
VRRM (Max) [V]          
VR (Max) [V] 60 60 60 60 60
CT (Typ.) [pF] 130 130 300 130 290

Solution Proposal

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

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.
PCB photo example of Power multiplexer circuit
Power multiplexer circuit
In this reference design, a Power multiplexer circuit with 2 input and 1 output is implemented on a small PCB. MOSFET gate driver ICs, eFuse ICs, zener diodes and small package MOSFETs selected from Toshiba's diverse lineup are used create ideal diode like characteristics with BBM and MBB switching.
Photo of non-isolated buck DC-DC converter.
Non-Isolated Buck DC-DC Converter
This reference design provides design guide, data and other contents of multiple non-isolated buck DC-DC converter power supplies. Multiple variations of the power supply are optimized for various outputs, loads and board mounting areas.
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.
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.
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.

Documents

Video

Design & Development

Switched Mode Power Supply Library

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.

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.

Online Simulator

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

EDA/CAD Model Library

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

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.

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