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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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Semiconductor Solutions for Air Conditioners

How to Increase Air Conditioning Performance without Increasing Power Consumption?
Semiconductor Solutions for Air Conditioners

With the economic development of emerging countries and the growing demand for data centers, the demand for air conditioners is growing. For Household air conditioners, regional characteristics, such as climatic, cultural, and incomes levels, and energy-saving, low-cost, and reduced CO2 emissions, as well as connectivity as smart home appliances are keys to product design. For industrial air conditioners, especially for data centers, it is important to achieve proper temperature control in a heat-generating environment that increases as the amount of data handled increases and the performance of equipment increases, as well as appropriate humidity control for preventing dew condensation on computer components and preventing static electricity with low power consumption. To solve these problems, power supply efficiencies and sensing circuit designs are important. Toshiba's lineup of MOSFETs, intelligent power ICs, operational amplifiers, and other products that incorporate latest technologies are contributing to enhancing air conditioning performance without increasing power dissipation.

Features

  • Improvement of power utilization efficiency by reducing on-resistance and minimization of heat generation (MOSFET)
  • Realization of both board miniaturization and heat dissipation performance by introduction of surface mount packages with excellent heat dissipation (intelligent power IC)
  • Improvement of operation reliability by insulation of feedback signal circuit by optical coupling (photocoupler)
  • Compliance with safety standards (UL, cUL, etc.) (photocouplers)
  • Useful application notes, reference designs, and other documents on the web save design cycle time

AC-DC Power Supply

BLDC Motor Drive

Sensor Input

Other block diagrams

AC-DC circuit (Outdoor unit)
Examples of Flyback AC-DC Converter Circuits for Indoor Units

Application / Air Conditioner

PFC circuit (Full switching system)
Examples of full-switching type PFC-circuit AC-DC converter circuit using MOSFET

Application / Air Conditioner

PFC circuit (Partial switching method)
Example of partial switching type PFC-circuit AC-DC converter circuit using IGBT

Application / Air Conditioner

Cleaning section
Example of brushless/stepping motor drive circuit using MCD (controller)

Application / Air Conditioner

Louver section
Example of brushless/stepping motor drive circuit using MCD (controller)

Application / Air Conditioner

Valve control section
Example of valve control circuit using MCU

Application / Air Conditioner

Microcontroller section (Power control block for outdoor unit)
Example of optimized power supply circuit using LDO for MCU power supply

Application / Air Conditioner

Isolation circuit (Compressor block between outdoor/indoor units)
Example of a protection circuit using a photocoupler that protects against noise applied from a harness between board communication

Application / Air Conditioner

Sensor input section (Outdoor unit)
Example of an optimized circuit using an Opamp for amplifying sensor signals

Application / Air Conditioner

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