Smart Speaker

Smart Speaker

Such as low power consumption and miniaturization are important in designing smart speaker. Toshiba provides information on a wide range of semiconductor products suitable for power supply units, sensor signal input unit, display unit, etc., along with circuit configuration examples.

Overall block diagram

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 Up to 3.3 V : CPU/GPU, Memory Up to 3.3 V : CPU/GPU, Memory 5 V : Display Driver, LED Driver, Display Power, D-AMP, etc. 5 V : Display Driver, LED Driver, Display Power, D-AMP, etc. Up to 3.3 V : Camera, ALS, etc. Up to 3.3 V : Camera, ALS, etc. D-Amp D-Amp MIC MIC Image Processor ImageProcessor Display Driver DisplayDriver Touch Screen Controller Touch Screen Controller LED Driver LEDDriver PMIC PMIC DC/DC Converter DC/DCConverter LCD Panel LCD Panel Camera Module Camera Module Ambient Light Sensor Ambient Light Sensor Wi-Fi® Bluetooth® Wi-Fi®Bluetooth® Voice Codec Voice Codec DDR DDR FLASH FLASH SBD SBD TVS TVS TVS TVS TVS TVS TVS TVS TVS TVS TVS TVS TVS TVS Audio Codec AudioCodec MOSFET MOSFET LDO LDO eFuse IC / Gate Driver IC & N-ch MOSFET eFuse IC /Gate Driver IC& N-ch MOSFET 15 V / 5 V DC 15 V / 5 V DC SP SP D-Amp D-Amp Load SW IC / Gate Driver IC & N-ch MOSFET Load SW IC /Gate Driver IC& N-ch MOSFET TVS TVS TVS TVS Wireless communication circuit Power supply circuit Camera modules Ambient light sensor LCD backlight Image processing section
Power supply circuit

Example of power supply circuit using devices with various protection functions

Wireless communication circuit

Example of wireless communication circuit with external device

Ambient light sensor

Example of ambient light sensor circuit

Camera modules

Example of camera module circuit

LCD backlight

Example of LCD backlight drive circuit

Image processing section

Example of image processing processor peripheral circuit

Sub block diagram

Power supply circuit
Power supply circuit

Example of power supply circuit using devices with various protection functions

Example of power supply circuit using devices with various protection functions
TVS diode
Part Number
DF2B6M4SL
DF2B6M4BSL
DF2B20M4SL
DF2B5BSL
DF2B5PCT
DF2B7PCT
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-882 (CST2)
VESD (Max) [kV] +/-20 +/-8 +/-15 +/-23 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.5 1.05 0.2 0.2 0.1 0.1
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.2 0.12 0.2 11 41 45
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Electronic fuse (eFuse IC)(1)
Part Number
TCKE800NA
TCKE805NA
TCKE812NA
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
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Electronic fuse (eFuse IC)(2)
Part Number
TCKE800NL
TCKE805NL
TCKE812NL
TCKE712BNL
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
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N-ch MOSFET gate driver IC(1)
Part Number
TCK401G
TCK402G
TCK420G
TCK421G
TCK422G
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
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N-ch MOSFET gate driver IC(2)
Part Number
TCK423G
TCK424G
TCK425G
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
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Wireless communication circuit
Wi-FiⓇ/ BluetoothⓇ solution

Example of wireless communication circuit with external device

Example of wireless communication circuit with external device
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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TVS diode
Part Number
DF2B6M4SL
DF2B6M4BSL
DF2B20M4SL
DF2B5BSL
DF2B5PCT
DF2B7PCT
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-882 (CST2)
VESD (Max) [kV] +/-20 +/-8 +/-15 +/-23 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.5 1.05 0.2 0.2 0.1 0.1
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.2 0.12 0.2 11 41 45
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Ambient light sensor
Ambient light sensor

Example of ambient light sensor circuit

Example of ambient light sensor 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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Low noise operational amplifier
Part Number
TC75S67TU
Toshiba Package Name SOT-353F (UFV)
VCC (Max) [V] 5.5
VCC, VEE (Max) [V] +/-2.75
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Camera modules
Camera modules

Example of camera module circuit

Example of camera module 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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TVS diode
Part Number
DF2B6M4SL
DF2B6M4BSL
DF2B20M4SL
DF2B5BSL
DF2B5PCT
DF2B7PCT
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-882 (CST2)
VESD (Max) [kV] +/-20 +/-8 +/-15 +/-23 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.5 1.05 0.2 0.2 0.1 0.1
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.2 0.12 0.2 11 41 45
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LCD backlight
LCD backlight

Example of LCD backlight drive circuit

Example of LCD backlight drive circuit
Small-signal MOSFET
Part Number
SSM3K341R
SSM6K514NU
SSM3K15ACT
Toshiba Package Name SOT-23F SOT-1220 (UDFN6B) SOT-883 (CST3)
VDSS (Max) [V] 60 40 30
ID (Max) [A] 6.0 12 0.1
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.051 0.0173  
Polarity N-ch N-ch N-ch
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Schottky barrier diode
Part Number
CUS10F30
CTS05F40
Toshiba Package Name SOD-323 (USC) SOD-882 (CST2)
VRRM (Max) [V]    
VR (Max) [V] 30 40
CT (Typ.) [pF] 170 28
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Image processing section
Image processing section

Example of image processing processor peripheral circuit

Example of image processing processor peripheral circuit
TVS diode
Part Number
DF2B6M4SL
DF2B6M4BSL
DF2B20M4SL
DF2B5BSL
DF2B5PCT
DF2B7PCT
Toshiba Package Name SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-962 (SL2) SOD-882 (CST2) SOD-882 (CST2)
VESD (Max) [kV] +/-20 +/-8 +/-15 +/-23 +/-30 +/-30
IR (Max) [µA] 0.1 0.1 0.1 0.1 0.1 0.1
Rdyn (Typ.) [Ω] 0.5 1.05 0.2 0.2 0.1 0.1
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 0.2 0.12 0.2 11 41 45
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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_Smart Speaker / English (PDF:1.5MB)
SolutionProposal_Smart Speaker / Japanese (PDF:2.2MB)

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.
LDO / DFN4D
세부 사항
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
세부 사항
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
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
Mail Magazine
Mail Magazine
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  • The BluetoothⓇ word mark is a registered trademark owned by Bluetooth SIG, Inc.
  • Wi-Fi is a registered trademark of Wi-Fi Alliance.
  • Other company names, product names, and service names may be trademarks of their respective companies.
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