Electric Shaver

Electric Shaver

Such as low power consumption and miniaturization are important in designing electric shaver. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, surge voltage protection units, motor driving units, etc., along with circuit configuration examples.

Overall block diagram

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Surge voltage protection

Example of surge voltage protection circuit for power supply line

Control MCU power supply

Example of power supply circuit of MCU

Constant voltage supply circuit

Example of power supply circuit for indicator LED

Motor control

Example of motor drive circuit

Motor protection

Example of Regenerative Current Protection Circuit from Motor Coil

Sub block diagram

Surge voltage protection
Surge voltage protection

Example of surge voltage protection circuit for power supply line

Example of surge voltage protection circuit for power supply line
TVS diode
Part Number
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-882 (CST2) SOD-963 (CST2C) SOD-323 (USC)
VESD (Max) [kV] +/-30 +/-15 +/-30 +/-30 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.2 0.2 0.1 0.1 0.08 0.2
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 12 0.2 41 45 270 8.5
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
Control MCU power supply
Control MCU power supply

Example of power supply circuit of MCU

Example of power supply circuit of 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
Constant voltage supply circuit
Constant voltage supply circuit

Example of power supply circuit for indicator LED

Example of power supply circuit for indicator LED
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
Motor control
Motor control

Example of motor drive circuit

Example of motor drive circuit
Small-signal MOSFET
Part Number
Toshiba Package Name SOT-363F (UF6) SOT-723 (VESM)
VDSS (Max) [V] 20 20
ID (Max) [A] 4.2 0.25
RDS(ON) (Max) [Ω] @ |VGS| = 2.5 [V] 0.032 1.6
Polarity N-ch N-ch
Motor protection
Motor protection

Example of Regenerative Current Protection Circuit from Motor Coil

Example of Regenerative Current Protection Circuit from Motor Coil
Schottky barrier diode
Part Number
Toshiba Package Name SOD-323 (USC)
VRRM (Max) [V]  
VR (Max) [V] 40
CT (Typ.) [pF] 11

Solution Proposal

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

Reference Design

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.

Contacts

Technical inquiry

Contact us

Contact us

Frequently Asked Questions

FAQs
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