Electronic Sphygmomanometer

Electronic Sphygmomanometer

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

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 - - + + Switch Switch Input Switch InputSwitch Battery Battery Adapter Adapter LDO LDO LDO LDO Pressure Sensor PressureSensor EEPROM EEPROM MCU MCU LCD Panel LCD Panel Power ON/OFF Power ON/OFF Battery Monitor Battery Monitor M M Pump Motor PumpMotor Air Release Valve AirReleaseValve 45 MOSFET MOSFET MOSFET MOSFET Op-amp Op-amp Constant voltage supply circuit Surge voltage protection Control MCU power supply Pressure sensor LCD driver / controller Motor protection/Motor control
Surge voltage protection

Example of surge voltage protection circuit for power supply line

Control MCU power supply

Examples of power supply circuits for MCU and memory

Constant voltage supply circuit

Example of backflow prevention circuit using Schottky barrier diode

Motor protection/Motor control

Example of Regenerative Current Protection Circuit from Motor Coil

Examples of drive circuits for motors and air valves

Pressure sensor

Example of amplifying circuit for sensor signal

LCD driver / controller

Built-in LCD driver / controller Toshiba original CPU 8bit MCUs

子方塊圖

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
器件型號
DF2B7ASL
DF2B20M4SL
DF2B5PCT
DF2B7PCT
DF2S14P2CTC
DF2B7AFU
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] 8.5 0.2 41 45 270 8.5
搜尋產品線
Control MCU power supply
Control MCU power supply

Examples of power supply circuits for MCU and memory

Examples of power supply circuits for MCU and memory
Small surface mount LDO regulator(1)
器件型號
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
搜尋產品線
Small surface mount LDO regulator(2)
器件型號
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
搜尋產品線
MCU
Series TLCSTM-870/C1 Series
Group  
搜尋產品線
Constant voltage supply circuit
Constant voltage supply circuit

Example of backflow prevention circuit using Schottky barrier diode

Example of backflow prevention circuit using Schottky barrier diode
Schottky barrier diode
器件型號
CUS10S40
CUHS15F40
CUS10F30
1SS424
Toshiba Package Name SOD-323 (USC) SOD-323HE (US2H) SOD-323 (USC) SOD-523 (ESC)
VRRM (Max) [V]        
VR (Max) [V]   40 30 20
CT (Typ.) [pF] 120 130   20
搜尋產品線
Motor protection/Motor control
Motor protection

Example of Regenerative Current Protection Circuit from Motor Coil

Example of Regenerative Current Protection Circuit from Motor Coil
Schottky barrier diode
器件型號
CUS10S40
CUHS15F40
CUS10F30
1SS424
Toshiba Package Name SOD-323 (USC) SOD-323HE (US2H) SOD-323 (USC) SOD-523 (ESC)
VRRM (Max) [V]        
VR (Max) [V]   40 30 20
CT (Typ.) [pF] 120 130   20
搜尋產品線
Motor control

Examples of drive circuits for motors and air valves

Examples of drive circuits for motors and air valves
Small-signal MOSFET
器件型號
SSM3K329R
SSM3K324R
SSM3K35AMFV
Toshiba Package Name SOT-23F SOT-23F SOT-723 (VESM)
VDSS (Max) [V] 30 30 20
ID (Max) [A] 3.5 4.0 0.25
RDS(ON) (Max) [Ω] @ |VGS| = 2.5 [V] 0.17 0.072 1.6
Polarity N-ch N-ch N-ch
搜尋產品線
Pressure sensor
Pressure sensor

Example of amplifying circuit for sensor signal

Example of amplifying circuit for sensor signal
Low noise operational amplifier
器件型號
TC75S67TU
Toshiba Package Name SOT-353F (UFV)
VCC (Max) [V] 5.5
VCC, VEE (Max) [V] +/-2.75
搜尋產品線
MCU
Series TLCSTM-870/C1 Series
Group  
搜尋產品線
LCD driver / controller
LCD driver / controller

Built-in LCD driver / controller Toshiba original CPU 8bit MCUs

Built-in LCD driver / controller Toshiba original CPU 8bit MCUs
MCU
Series TLCSTM-870/C1 Series
Group  
搜尋產品線

解決方案

這些文件說明推薦的半導體產品的要點及其特徵，方便產品選擇。

解決方案
SolutionProposal_Electronic Sphygmomanometer / English (PDF:919KB)
SolutionProposal_Electronic Sphygmomanometer / Japanese (PDF:1.2MB)

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