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
TVS diode(1)
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
TVS diode(2)
Part Number
Toshiba Package Name SOD-963 (CST2C) SOD-963 (CST2C) SOD-963 (CST2C) SOD-963 (CST2C)
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
U-MOS Series MOSFET(1)
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
U-MOS Series MOSFET(2)
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
Electronic fuse (eFuse IC) (1)
Part Number
Toshiba Package Name WSON10B WSON10B WSON10B
VIN (Max) [V] 18 18 18
RON (Typ.) [mΩ] 28 28 28
VOVC (Typ.) [V]   6.04 15.1
Recovery Operation Type Auto-retry Auto-retry Auto-retry
Electronic fuse (eFuse IC) (2)
Part Number
Toshiba Package Name WSON10B WSON10B WSON10B WSON10
VIN (Max) [V] 18 18 18 13.2
RON (Typ.) [mΩ] 28 28 28 53
VOVC (Typ.) [V]   6.04 15.1  
Recovery Operation Type Latch Latch Latch Latch
N-ch MOSFET gate driver IC(1)
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
N-ch MOSFET gate driver IC(2)
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
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
Load switch IC (1)
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
Load switch IC(2)
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
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 DFN4C 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
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
Schottky barrier diode(1)
Part Number
Toshiba Package Name SOD-323HE (US2H) SOD-323HE (US2H)
VRRM (Max) [V]    
VR (Max) [V] 30 40
CT (Typ.) [pF] 380 300
Schottky barrier diode(2)
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
U-MOS Series MOSFET(1)
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
U-MOS Series MOSFET(2)
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

Solution Proposal

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

Reference Design

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.
Power multiplexer circuit / 2 input and 1 output
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.
Reference Design Center
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.
LDO Regulator / TCR3UG
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.
LDORegulator / TCR15AG
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.
LDO Regulator / Design / Support / Reference Design Center

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.

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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