Taiwan Region (繁體中文)
Overview
IH cooking heaters with single-burner are getting more and more popular in the market because they are energy-saving and safe as they do not use fire. In recent years such units have become smaller; moreover, their price has become more affordable as their popularity has grown. Low-end cooking heaters are perceived to be attractive alternatives to conventional electric hot plates and portable gas stoves.
The microcontrollers from Renesas Electronics in the M16C/65 Group and the R8C Family are excellent design choices for use as control microcontrollers in single-burner IH heaters because they have the on-chip PWM (Pulse Width Modulation) timers needed for driving the IH coil drive, and have sufficient performance and functionality to also control the operation of the display panel. Other chips recommended for this type of application include control TRIACs and IGBTs. Using Renesas solutions, it is possible to create designs that achieve improved performance, consume less power, and have lower cost.
System Block Diagram
Recommended Products
| Block | Semiconductor Device | Recommended Product Name | Features, etc. |
|---|---|---|---|
| Main MCU | MCU | V850E/Ix3 | Three-phase PWM timer *3, enhanced A/D |
| R8C/3x Series | Three-phase PWM timer*3 General Purpose 16-bit MCU |
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| H8S/Tiny Series | |||
| M16C/63 Group M16C/64A Group M16C/65 Group |
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| RL78/G14 | |||
| 78K0R/Ix3 | |||
| SH2(SH7010, SH7040, SH7046, SH7080, SH7124, SH7125, SH7137, SH7144, SH7146, SH7147, SH7606) |
Three-phase PWM timer *3 | ||
| SH/Tiny | Three-phase PWM timer *3, enhanced A/D | ||
| Panel control MCU | MCU | R8C/3x Series | General Purpose 16-bit MCU |
| RL78/G13 | |||
| Inverter | IGBT | RJH60FxDPK NEW |
Low-VCE (sat), High-speed switching |
| MCU peripheral | Reset IC | RNA519xx Series NEW |
Variable detection voltage |
| EEPROM | R1EX24xxx Series NEW |
I2C bus interface *1 | |
| R1EX25xxx Series | SPI bus interface *2 | ||
| Sensor | Op-amp | HA1630xxx Series | Small package, low power consumption |
| UPC358MF-DAA | 8-pin SOP package for consumer applications, low power consumption |
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| Grill heater | TRIAC | BCR16CM-12LA | For mid-power AC control |
| TRIAC control | Photocoupler (standard) | PS25xx Series NEW PS27xx Series NEW PS28xx Series |
High isolation voltage (5 kV r.m.s.), 4p-DIP High isolation voltage (3.75 kV r.m.s.), 4p-SOP High isolation voltage (2.5 kV r.m.s.), 4p-SSOP |
| IGBT gate driver | Photocoupler (IGBT drive) |
PS9306 (6p-SDIP) PS9506 (8p-DIP) |
High isolation voltage (5 kV r.m.s.), 0.6 A output High CMR (CMR = 25 kV) |
*1 I2C: Inter-Integrated Circuit
*2 SPI: Serial Peripheral Interface
*3 PWM: Pulse Width Modulation
Related Application Notes/Sample Code
| Name | Document No. |
|---|---|
| R8C/38C Group Timer RD (PWM3 Mode) |
R01AN0083EJ0100
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| Timer RD in PWM3 Mode |
REJ05B0846-0100
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| R2A20112 application note * |
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| R2A20114 application note * |
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| R2A20117 application note * |
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| R2A20118A application note * |
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| R2A20121 application note * |
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| R2A20132 application note * |
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*: Please contact your sales representative or contact us directly.
Related Software
| Name | Document No. |
|---|---|
| M3S-S2-Tiny sound playback system * |
-
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*: Please contact your sales representative or contact us directly.
Related Boards
| Name | Part No. |
|---|---|
| 78K0R/Ix3 CPU board ** |
QB-78K0RIE3-TB
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| R2A20111 evaluation board * |
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| R2A20112 evaluation board * |
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| R2A20114 Series evaluation board * |
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| R2A20115 evaluation board * |
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| R2A20117 evaluation board * |
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| R2A20118A evaluation board * |
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| R2A20121 evaluation board * |
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| R2A20132 evaluation board * |
-
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*: Please contact your sales representative or contact us directly.
**: Under development
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