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IH Cooking Heater (High-End)
The following page content corresponds to the products marketed in Japan.
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Overview
Induction Heating (IH) cooking ranges are gaining popularity in "all electric" homes due to their eco-friendliness and safety, since they do not use an open flame. Models capable of accommodating all types of metal cooking implements must be able to distinguish the material of the pots or pans placed on them, so their control circuits require high-performance MCUs. In addition, flat panels employing touch sensors are being introduced on many IH models because they are easy to clean.
Renesas’the R8C/Lx Series and the 78K0R/Lx3 of MCUs contain devices suitable for use as heating control and display operation. For example, the R8C/3xT(32-80 pins) chips are ideal solutions for touch-key MCUs. Renesas also supplies devices such as control TRIACs and IGBTs. Our broad product portfolio enables our customers to design IH control systems with better performance, less power, and lower cost.
In addition, to address the trend toward stricter restrictions on harmonic components in the input current of electrical products, Renesas Electronics has a lineup of PFC power supply IC products (power-factor correction ICs) that are effective in suppressing electrical noise.
System Block Diagram
Recommended Products
| Block | Semiconductor Device | Recommended Product Name | Features, etc. |
|---|---|---|---|
| MCU | MCU | V850E/Ix3 | Three-phase PWM timer *3, enhanced A/D |
| R8C/3x Series | General Purpose 16-bit MCU | ||
| H8S/Tiny Series | |||
| M16C/63 Group M16C/64A Group M16C/65 Group | |||
| R8C/3x Series | |||
| 78K0R/Ix3 | |||
| RX62T | 100 MHz operation, multi-channel PWM *3 | ||
| SH2(SH7010, SH7040, SH7046, SH7080, SH7124, SH7125, SH7137, SH7144, SH7146, SH7147, SH7606) | Three-phase PWM timer *3 | ||
| SH/Tiny | Three-phase PWM timer, 5 V operation, enhanced A/D | ||
| Panel control MCU | MCU | R8C/3xT (32-80 pins) | On-chip touch detection circuit |
| R8C/Lx Series | On-chip LCD controller/driver, 16-bit mirocontroller | ||
| 78K0R/Lx3 | |||
| Digital amp | R2A15123FP | 3 W x 2 ch at 12 V/4 Ω | |
| Power supply, etc. | Zener diode | HZLxxZ4 Series, RKZxxKG, KK Series | 2-terminal face-mount outline High ESD, low capacitance series |
| HZMxNB Series | 3-terminal (1 device included) face-mount outline | ||
| Switching diode | HSC/HSD119/HSU119 | 2-terminal face-mount outline | |
| HSM/HSB2836 Series | 3-terminal (2 devices included) face-mount outline | ||
| Schottky diode | HRC0103C/RER0202 Series | 3-terminal face-mount outline (low VF, low leak current) | |
| HRV103B, RKR104BRH | low IR, low VF type | ||
| RKR0505BKH | 3-terminal face-mount outline (low VF) | ||
| PFC power supply | IGBT | RJH60F Series NEW | Optimal for active filter systems, high-speed switching |
| PFC IC | R2A20112 | Critical conduction mode interleaving | |
| R2A20114 | Continuous conduction mode interleaving | ||
| R2A20115 | Continuous conduction mode single | ||
| R2A20117 | Critical conduction mode interleaving | ||
| R2A20118A | Critical conduction mode interleaving | ||
| R2A20132 | Critical conduction mode interleaving | ||
| Inverter | IGBT | RJH60FxDPK NEW | Low-VCE (sat) High-speed switching, 70-3P |
| Sensor | Op-amp | HA1630xxx Series | High performance, low power consumption |
| UPC358MF-DAA | 8-pin SOP package for consumer applications, low power consumption | ||
| 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 |
| Timer RD in PWM3 Mode | REJ05B0846-0100 |
| R2A20112 application note * | - |
| R2A20114 application note * | - |
| R2A20117 application note * | - |
| R2A20118A application note * | - |
| R2A20121 application note * | - |
| R2A20132 application note * | - |
*: Please contact your sales representative or contact us directly.
Related Software
| Name | Document No. |
|---|---|
| M3S-S2-Tiny sound playback system * | - |
*: Please contact your sales representative or contact us directly.
Related Boards
| Name | Part No. |
|---|---|
| 78K0R/Ix3 CPU board ** | QB-78K0RIE3-TB |
| R2A20111 evaluation board * | - |
| R2A20112 evaluation board * | - |
| R2A20114 Series evaluation board * | - |
| R2A20115 evaluation board * | - |
| R2A20117 evaluation board * | - |
| R2A20118A evaluation board * | - |
| R2A20121 evaluation board * | - |
| R2A20132 evaluation board * | - |
*: Please contact your sales representative or contact us directly.
**: Under development
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