Human Sensor

Human Sensor

Such as low power consumption, miniaturization and robust operation are important in designing human sensor. Toshiba provides information on a wide range of semiconductor products suitable for power supply unit, sensor signal input unit, alarm output 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.

 TVS TVS Rectifier Rectifier LDO LDO Voltage Detector VoltageDetector MCU MCU LED LED MOSFET MOSFET MOSFET MOSFET Photo relay Photorelay Photo relay Photorelay Alarm Alarm Tamper Tamper IR Sensor IR Sensor Power Management Power Management DC 5 V DC 5 V Alarm Alarm IR Sensor IRSensor Op-amp Op-amp Power supply circuit Sensor circuit Alarm circuit
Power supply circuit

Example of constant voltage power supply circuit

Sensor circuit

Example of infrared sensor circuit

Alarm circuit

Example of output circuit to alarm

Sub block diagram

Power supply circuit
Power supply circuit

Example of constant voltage power supply circuit

Example of constant voltage power supply circuit
TVS diode
Part Number
DF2B29FU
DF2S23P2FU
Toshiba Package Name SOD-323 (USC) SOD-323 (USC)
VESD (Max) [kV] +/-25 +/-30
IR (Max) [µA] 0.1 0.1
Rdyn (Typ.) [Ω] 1.1 0.13
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 9 160
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Small surface mount LDO regulator
Part Number
TAR5S50U
TAR5S50
TAR5SB50
Toshiba Package Name SOT-353F (UFV) SOT-25 (SMV) SOT-25 (SMV)
IOUT (Max) [mA] 200 200 200
VOUT [V] 1.5 to 5.0 1.5 to 5.0 1.5 to 5.0
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Sensor circuit
Sensor circuit

Example of infrared sensor circuit

Example of infrared sensor circuit
Switching diode
Part Number
1SS181
1SS184
1SS352
1SS387
1SS302A
Toshiba Package Name SOT-346 (S-Mini) SOT-346 (S-Mini) SOD-323 (USC) SOD-523 (ESC) SOT-323 (USM)
VR (Max) [V] 80 80 80 80 80
CT (Typ.) [pF] 2.2 0.9 0.5 0.5 0.9
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Low current consumption op-amp / Low noise op-amp
Part Number
TC75S102F
TC75S67TU
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75
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Alarm circuit
Alarm circuit

Example of output circuit to alarm

Example of output circuit to alarm
TVS diode
Part Number
DF2B29FU
DF2S23P2FU
Toshiba Package Name SOD-323 (USC) SOD-323 (USC)
VESD (Max) [kV] +/-25 +/-30
IR (Max) [µA] 0.1 0.1
Rdyn (Typ.) [Ω] 1.1 0.13
CT (Typ.) [pF] @ VR = 0 [V], f = 1 [MHz] 9 160
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Switching diode
Part Number
1SS181
1SS184
1SS352
1SS387
1SS302A
Toshiba Package Name SOT-346 (S-Mini) SOT-346 (S-Mini) SOD-323 (USC) SOD-523 (ESC) SOT-323 (USM)
VR (Max) [V] 80 80 80 80 80
CT (Typ.) [pF] 2.2 0.9 0.5 0.5 0.9
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Photorelay
Part Number
TLP170AM
TLP171A
TLP240A
TLP241B
Toshiba Package Name 4pin SO6 2.54SOP4 DIP4 DIP4
BVS (Min) [Vrms] @ t = 60 [s] 3750 1500 5000 5000
ION (Max) [A] 0.7 0.4 0.5 2.0
RON (Max) [Ω] 0.3 2 2 0.2
IFT (Max) [mA] 1 0.2 3 3
IFC (Max) [mA]        
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Small signal MOSFET
Part Number
SSM3K15ACTC
SSM3K35AFS
SSM3K35AMFV
Toshiba Package Name CST3C SOT-416 (SSM) SOT-723 (VESM)
VDSS (Max) [V] 30 20 20
ID (Max) [A] 0.1 0.25 0.25
RDS(ON) (Max) [Ω] @ |VGS| = 2.5 [V] 6.0 1.6 1.6
Polarity N-ch N-ch N-ch
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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_Human Sensor / English (PDF:1.0MB)
SolutionProposal_Human Sensor / Japanese (PDF:1.3MB)

Reference Design

Circuit of application circuit of low noise Op-Amp TC75S67TU for pyroelectric infrared sensor.
Application Circuit of Low Noise Op-Amp TC75S67TU for Pyroelectric Infrared Sensor
Pyroelectric infrared sensor used low noise Op-amp TC75S67TU Introduction of infrared sensor application of TC75S67TU Human sensor application method and notes of TC75S67TU
Details

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

Contacts

Technical inquiry

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Frequently Asked Questions

FAQs
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