Body Composition Analyzer

Body Composition Analyzer

Such as low power consumption and miniaturization are important in designing body composition analyzer. 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.

 LDO LDO Battery Battery Op-amp Op-amp Piezoelectric Element Piezoelectric Element Constant Current Circuit Constant Current Circuit TVS TVS TVS TVS TVS TVS TVS TVS Op-amp Op-amp LCD Module LCDModule Sound Sound Human Body Impedance Measurement Terminal Human Body Impedance Measurement Terminal MCU MCU Display circuit Power supply Piezoelectric element Impedance measurement circuit
Power supply

Example of power supply circuit in a battery powered system

Piezoelectric element

Example of piezoelectric device circuit for measurement of body weight

Panel display system

Example of panel display circuit

Human body impedance measurement

Example of impedance measurement circuit for measuring body fat

Sub block diagram

Power supply
Power supply

Example of power supply circuit in a battery powered system

Example of power supply circuit in a battery powered system
Small surface mount LDO regulator
Part Number
TCR3UM Series
TCR3DF Series
TCR3UF Series
Toshiba Package Name DFN4E SOT-25 (SMV) SOT-25 (SMV)
IOUT (Max) [mA] 300 300 300
VOUT [V] 0.8 to 5.0 1.0 to 4.5 0.8 to 5.0
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MCU
Series TX00 Series
Group M060 Group
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Piezoelectric element
Piezoelectric element

Example of piezoelectric device circuit for measurement of body weight

Example of piezoelectric device circuit for measurement of body weight
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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MCU
Series TX00 Series
Group M060 Group
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Panel display system
Panel display system

Example of panel display circuit

Example of panel display circuit
MCU
Series TX00 Series
Group M060 Group
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Human body impedance measurement
Human body impedance measurement

Example of impedance measurement circuit for measuring body fat

Example of impedance measurement circuit for measuring body fat
TVS diode
Part Number
DF2B7AFU
Toshiba Package Name SOD-323 (USC)
VESD (Max) [kV] +/-30
IR (Max) [µA] 0.1
Rdyn (Typ.) [Ω] 0.2
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 8.5
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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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Low current consumption operational amplifier
Part Number
TC75S102F
Toshiba Package Name SOT-25 (SMV)
VCC (Max) [V] 5.5
VCC, VEE (Max) [V] +/-2.75
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Small-signal MOSFET
Part Number
SSM3K15AMFV
Toshiba Package Name SOT-723 (VESM)
VDSS (Max) [V] 30
ID (Max) [A] 0.1
RDS(ON) (Max) [Ω] @ |VGS| = 2.5 [V] 6.0
Polarity N-ch
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MCU
Series TX00 Series
Group M060 Group
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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_Body Composition Analyzer / English (PDF:1.1MB)
SolutionProposal_Body Composition Analyzer / Japanese (PDF:1.2MB)

Documents

Please see the following pages for other 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.

Switched Mode Power Supply Library
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
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Frequently Asked Questions

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