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

Click the area you want to check the details in the overall block diagram. Show links to our proposed sub-block diagram.

 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
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
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
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
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
TVS diode
Part Number
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
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
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
Low noise operational amplifier
Part Number
Toshiba Package Name SOT-353F (UFV)
VCC (Max) [V] 5.5
VCC, VEE (Max) [V] +/-2.75
Camera modules
Camera modules

Example of camera module circuit

Example of camera module circuit
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
TVS diode
Part Number
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
LCD backlight
LCD backlight

Example of LCD backlight drive circuit

Example of LCD backlight drive circuit
Small-signal MOSFET
Part Number
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
Schottky barrier diode
Part Number
Toshiba Package Name SOD-323 (USC) SOD-882 (CST2)
VRRM (Max) [V]    
VR (Max) [V] 30 40
CT (Typ.) [pF]   28
Image processing section
Image processing section

Example of image processing processor peripheral circuit

Example of image processing processor peripheral circuit
TVS diode
Part Number
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

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

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.

Mail Magazine
To receive the latest news on our products, please fill in the subscription form.

Contacts

Technical inquiry

Contact us

Contact us

Frequently Asked Questions

FAQs
  • 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.
A new window will open