Thermostat

Thermostat

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

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 USB Connector USB Connector Battery Battery PMIC PMIC LDO LDO DC-DC DC-DC Temperature Sensor Temperature Sensor Ambient Light Sensor Ambient Light Sensor Humidity Sensor Humidity Sensor Proximity Sensor Proximity Sensor SDRAM SDRAM Flash Memory Flash Memory Wi-Fi® SoC Wi-Fi® SoC Display Driver Display Driver Touch Screen Controller Touch Screen Controller I/O Expander I/O Expander LCD Panel LCD Panel Isolation/ Switch Isolation/Switch MCU, Touch Screen Controller MCU, Touch Screen Controller SDRAM, Flash, Wi-Fi®, Bluetooth®, Display Driver, LED SDRAM, Flash, Wi-Fi®, Bluetooth®, Display Driver, LED I/O Expander, Isolation/Switch I/O Expander, Isolation/Switch Main board Main board I/O board I/O board HVAC System: Heating, Cooling, Heat Pump, Fan, Humidifier, De... HVAC System:Heating, Cooling, Heat Pump, Fan,Humidifier, Dehumidifier, etc LED Driver LED Driver MCU MCU Bluetooth® SoC Bluetooth® SoC Power supply circuit Panel display circuit Isolation circuit Temperature sensor circuit Ambient light sensor circuit Humidity sensor circuit
Power supply circuit

Example of power supply circuit of MCU

Example of AC-DC converter circuit

Example of charging circuit using P-ch MOSFET from USB

Example of charging circuit using N-ch MOSFET from USB

Isolation circuit

Example of an isolation circuit using photorelay (replacement from mechanical relay)

Panel display circuit

Example of LCD panel display driving circuit using MCU

Temperature sensor circuit

Example of the circuit using operational amplifier for amplifying temperature sensor signal

Ambient light sensor circuit

Example of the circuit using operational amplifier for amplifying ambient light sensor signal

Humidity sensor circuit

Example of the circuit using operational amplifier for amplifying humidity sensor signal

子方塊圖

Power supply circuit
Power supply circuit (1)

Example of power supply circuit of MCU

Example of power supply circuit of MCU
Small surface mount LDO regulator(1)
器件型號
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)
器件型號
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
Low current consumption op-amp / Low noise op-amp
器件型號
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75
MCU TX00 Series
Series TX00 Series
Group M030 Group
MCU TXZ+TM 3A Series
Series TXZ+TM 3ASeries
Group M3H Group
Power supply circuit (2)

Example of AC-DC converter circuit

Example of AC-DC converter circuit
High voltage MOSFET
器件型號
Toshiba Package Name TO-220SIS DPAK
VDSS (Max) [V] 500 500
ID (Max) [A] 18 11.5
RDS(ON) (Max) [Ω] @ |VGS| = 10.0 [V] 0.27 0.34
Polarity N-ch N-ch
SiC Schottky barrier diode
器件型號
Toshiba Package Name TO-220F-2L TO-247 TO-220-2L TO-220-2L DFN 8×8 DFN 8×8
IF(DC) (Max) [A] 12 24 2 12 4 12
VRRM (Max) [V] 650 650 650 650 650 650
VF (Max) [V] 1.6 1.6 1.35 1.35 1.35 1.35
IR (Max) [µA] @ VRRM (Max) 60 60 40 120 55 120
Bipolar transistor
器件型號
Toshiba Package Name SOT-25 (SMV) SOT-25 (SMV)
VCEO (Q1) (Max) [V] -30 30
VCEO (Q2) (Max) [V] 30 -30
IC (Q1) (Max) [A] -1.0 2
IC (Q2) (Max) [A] 1.2 -1.8
Polarity (Q1) PNP NPN
Polarity (Q2) NPN PNP
Transistor output photocoupler
器件型號
Toshiba Package Name 4pin SO6L SO4 4pin SO6L
BVS (Min) [Vrms] @ t = 60 [s] 5000 3750 5000
VCEO (Max) [V] 80 80 80
Topr [°C] -55 to 125 -55 to 125 -55 to 110
Small signal MOSFET
器件型號
Toshiba Package Name SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B)
VDSS (Max) [V] -20 -30 20 30 40
ID (Max) [A] -10 -10 6 15 12
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.0153 0.028 0.033 0.012 0.0173
Polarity P-ch P-ch N-ch N-ch N-ch
Power supply circuit P-ch MOSFET type

Example of charging circuit using P-ch MOSFET from USB

Example of charging circuit using P-ch MOSFET from USB
Small signal MOSFET
器件型號
Toshiba Package Name SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B)
VDSS (Max) [V] -20 -30 20 30 40
ID (Max) [A] -10 -10 6 15 12
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.0153 0.028 0.033 0.012 0.0173
Polarity P-ch P-ch N-ch N-ch N-ch
Power supply circuit N-ch MOSFET type

Example of charging circuit using N-ch MOSFET from USB

Example of charging circuit using N-ch MOSFET from USB
Small signal MOSFET
器件型號
Toshiba Package Name SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B) SOT-1220 (UDFN6B)
VDSS (Max) [V] -20 -30 20 30 40
ID (Max) [A] -10 -10 6 15 12
RDS(ON) (Max) [Ω] @ |VGS| = 4.5 [V] 0.0153 0.028 0.033 0.012 0.0173
Polarity P-ch P-ch N-ch N-ch N-ch
Isolation circuit
Isolation circuit

Example of an isolation circuit using photorelay (replacement from mechanical relay)

Example of an isolation circuit using photorelay (replacement from mechanical relay)
Photorelay
器件型號
Toshiba Package Name 2.54SOP6 2.54SOP6 DIP4 DIP4 DIP8 DIP8
BVS (Min) [Vrms] @ t = 60 [s] 1500 1500 2500 5000 2500 2500
ION (Max) [A] 4.0 3.0 3.0 2.0 3.0 1.5
RON (Max) [Ω] 0.04 0.065 0.1 0.2 0.15 0.5
IFT (Max) [mA] 3 3 3 3 5 5
IFC (Max) [mA]            
MCU TX00 Series
Series TX00 Series
Group M030 Group
MCU TXZ+TM 3A Series
Series TXZ+TM 3ASeries
Group M3H Group
Panel display circuit
Panel display circuit

Example of LCD panel display driving circuit using MCU

Example of LCD panel display driving circuit using MCU
MCU TX00 Series
Series TX00 Series
Group M030 Group
MCU TXZ+TM 3A Series
Series TXZ+TM 3ASeries
Group M3H Group
Temperature sensor circuit
Temperature sensor circuit

Example of the circuit using operational amplifier for amplifying temperature sensor signal

Example of the circuit using operational amplifier for amplifying temperature sensor signal
Small surface mount LDO regulator(1)
器件型號
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)
器件型號
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
Low current consumption op-amp / Low noise op-amp
器件型號
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75
Ambient light sensor circuit
Ambient light sensor circuit

Example of the circuit using operational amplifier for amplifying ambient light sensor signal

Example of the circuit using operational amplifier for amplifying ambient light sensor signal
Small surface mount LDO regulator(1)
器件型號
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)
器件型號
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
Low current consumption op-amp / Low noise op-amp
器件型號
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75
Humidity sensor circuit
Humidity sensor circuit

Example of the circuit using operational amplifier for amplifying humidity sensor signal

Example of the circuit using operational amplifier for amplifying humidity sensor signal
Small surface mount LDO regulator(1)
器件型號
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)
器件型號
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
Low current consumption op-amp / Low noise op-amp
器件型號
Toshiba Package Name SOT-25 (SMV) SOT-353F (UFV)
VCC (Max) [V] 5.5 5.5
VCC, VEE (Max) [V] +/-2.75 +/-2.75

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。

參考設計

Power supply circuit example of LDO regulator TCR3UG series application for power supply of IoT devices.
LDO Regulator TCR3UG Series Application for Power Supply of IoT Devices
This reference design provides document with low consumption current, PSRR, and dynamic response.The LDO has small package, low consumed power, and fast load transient response.
LDO Regulator / TCR3UG
Power supply circuit example of LDO regulator TCR15AG (fixed output voltage type) application & circuit.
LDO Regulator TCR15AG (fixed output voltage type) Application & Circuit
This reference design provides document with PSRR, dynamic response and controlling output voltage.The LDO has very small package and fixed output voltage for consumer application.
LDORegulator / TCR15AG
Power supply circuit example of LDO regulator TCR15AGADJ application & circuit.
LDO Regulator TCR15AGADJ Application & Circuit
This reference design provides document with PSRR, dynamic response and controlling output voltage. The LDO has very small package and adjustable output for consumer application.
LDO Regulator / Design / Support / Reference Design Center

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