Discrete Thermostat Solution

Toshiba's discrete thermostat improves operating life and increases the functionality and performance of smart home devices

Image of Toshiba's Discrete Thermostat SolutionToshiba's discrete thermostat solution improves operating life and increases the functionality and performance of smart home devices while reducing power consumption and space requirements. Energy efficiency savings, smart controlling, and reduction in per-unit energy costs are a few of the underlining parameters where these devices shine. Toshiba offers products that meet these important requirements and more with their LDO technologies and photo relays, which have garnered success in thermostats and other similar designs.

Power Supply Circuit Block Diagram

Image of Toshiba's Power Circuit Block Diagram

Various power supply voltages are required for thermostat sensors and high-frequency circuits to increase functionality and reduce power consumption. Therefore, it is especially important to choose an LDO regulator for power supply stabilization and voltage conversion. For LDO regulators, TCR3UM and TAR5SB are recommended. Low stand-by current reduces total system power consumption, and overtemperature/overcurrent protection provides stability to avoid unexpected system power events.

Interface Circuit Block Diagram

Image of Toshiba's Interface Circuit Block Diagram

In Europe and North America, central heating and forced air systems are standard. Modern systems for heating, cooling, and ventilation (HVAC) have evolved, and thermostats are an integral part. This system is connected to a motor or something similar, which means that the thermostat is always exposed to the risk of motor noise or abnormality. Isolation from the system is essential to avoid this risk. The photorelays shown below are preferred for such isolation due to low ON-resistance (RON), a wide range of allowable on-current (ION), and are available in small packages designed to shrink the footprint and improve design flexibility.

Resources

Application details

Features
  • Keeps low stand-by current for low-power operation
  • Increases heat dissipation capabilities with efficient packaging
  • Optical coupling over an isolated barrier
  • Application notes, reference designs and other material to help with design
  • Wide portfolio of products

LDO Regulators

圖片製造商零件編號說明現有數量價格查看詳情
IC REG LINEAR 5V 200MA SMVTAR5SB50(TE85L,F)IC REG LINEAR 5V 200MA SMV4500 - 即時供貨$2.96查看詳情
IC REG LINEAR 1.8V 300MA 4-DFNTCR3UM18A,LFIC REG LINEAR 1.8V 300MA 4-DFN0 - 即時供貨$3.95查看詳情
IC REG LINEAR 2.8V 300MA 4-DFNTCR3UM28A,LFIC REG LINEAR 2.8V 300MA 4-DFN0 - 即時供貨$3.95查看詳情
IC REG LINEAR 3V 300MA 4-DFNTCR3UM30A,LFIC REG LINEAR 3V 300MA 4-DFN0 - 即時供貨$3.70查看詳情

Isolation/Switch (Photorelays)

圖片製造商零件編號說明現有數量價格查看詳情
SSR RELAY SPST-NO 4A 0-60VTLP3107A(TP,FSSR RELAY SPST-NO 4A 0-60V11069 - 即時供貨$32.68查看詳情
SSR RELAY SPST-NO 3A 0-100VTLP3109A(TP,FSSR RELAY SPST-NO 3A 0-100V0 - 即時供貨$38.77查看詳情
SSR RELAY SPST-NO 3A 0-60VTLP3555A(TP1,FSSR RELAY SPST-NO 3A 0-60V1306 - 即時供貨$25.19查看詳情
SSR RELAY SPST-NO 3A 0-100VTLP3823F(TP4,FSSR RELAY SPST-NO 3A 0-100V0 - 即時供貨$64.79查看詳情
SSR RELAY SPST-NO 1.5A 0-200VTLP3825F(TP4,FSSR RELAY SPST-NO 1.5A 0-200V752 - 即時供貨$64.79查看詳情

Associated Product

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MOSFET P-CH 20V 250MA VESMSSM3J35AMFV,L3FMOSFET P-CH 20V 250MA VESM12998 - 即時供貨$1.73查看詳情
MOSFET N-CH 20V 500MA VESMSSM3K36MFV,L3FMOSFET N-CH 20V 500MA VESM398780 - 即時供貨$2.80查看詳情
MOSFET N-CH 20V 1.4A CST3SSM3K56ACT,L3FMOSFET N-CH 20V 1.4A CST3138274 - 即時供貨$0.91查看詳情
MOSFET P-CH 20V 1.4A CST3SSM3J56ACT,L3FMOSFET P-CH 20V 1.4A CST317494 - 即時供貨$3.38查看詳情
MOSFET P-CH 20V 10A 6UDFNBSSM6J501NU,LFMOSFET P-CH 20V 10A 6UDFNB1771 - 即時供貨$5.02查看詳情
MOSFET N-CH 30V 15A 6UDFNBSSM6K513NU,LFMOSFET N-CH 30V 15A 6UDFNB52047 - 即時供貨$5.84查看詳情
MOSFET N-CH 40V 12A 6UDFNBSSM6K514NU,LFMOSFET N-CH 40V 12A 6UDFNB14018 - 即時供貨$5.35查看詳情
MOSFET P-CH 60V 3.5A SOT-23FSSM3J351R,LFMOSFET P-CH 60V 3.5A SOT-23F59051 - 即時供貨$4.53查看詳情
IC CMOS 1 CIRCUIT UFVTC75S67TU,LFIC CMOS 1 CIRCUIT UFV12018 - 即時供貨$2.30查看詳情
發佈日期: 2020-07-02