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瑞萨电子 (Renesas Electronics Corporation)

感应加热电饭煲

概述

描述

感应加热(IH)电饭煲正从单区加热向分布式高效设计演进,这种设计将功率转换、精准热控和互联功能集成于紧凑的机身之中。 此款可扩展平台以高效的 IH 运行为核心,配备用于触摸按键控制和状态显示的人机界面(HMI),提供两种配置方案,可满足多种烹饪性能和系统要求。

  • 单模块设计采用紧凑型 MCU 来管理单个加热元件并控制 HMI 和触摸按键显示屏,以极低的系统复杂度实现精准的温度控制和可靠的烹饪效果。 高效的功率级可将待机功耗维持在超低水平,输出功率最高可达 2.5W。
  • 三模块设计采用基于 GaN 的半桥谐振逆变器,独立驱动三个加热元件,将热量均匀分布在内锅周围以实现均匀烹饪;同时,通过每个元件的电流检测,可对每个加热区进行闭环控制。 采用高频 GaN 开关技术,不仅实现了紧凑、扁平的控制板设计,还支持全金属内锅。 集成 Wi-Fi® 和语音引导功能,实现了互联且功能丰富的操作体验。

系统优势:

  • 可扩展的 IH 加热架构在单模块和三模块配置下均能提供高效、高性能的烹饪表现。
  • 智能功率控制器和 GaN 半桥谐振逆变器提供精准的温度控制和高效的加热管理。
  • 三区加热配合各加热元件的电流检测,可均匀分布热量,实现均匀、闭环的烹饪控制。
  • 高频 GaN 开关技术实现了紧凑、扁平的 IH 控制板,并支持全金属内锅,在材质、重量和成本方面提供了更大的灵活性。
  • 高效功率级可实现超低待机功耗,输出功率最高可达 2.5W。
  • 集成 Wi-Fi 和语音引导功能,可实现互联智能的烹饪功能。

方框图

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远程测试该板卡

该板卡已上线云上实验室(Lab on the Cloud),使用我们的 PC 图形界面,无需实体板卡,便可在虚拟实验室中立即开始配置和测试设计。

单模块 IH 电饭煲

JP188Right arrow 1pt.125Line ArrowJP188-1JP188-1JP188-1Touch KeyTouch KeyTouch KeyTouch-KeySheet.685Sheet.686Sheet.687Sheet.688Sheet.689Sheet.690Sheet.691Sheet.692Sheet.693Smart IGBT Driver & ControllerSmart IGBT Driver & ControllerSmart IGBT Driver & ControllerLDOLDOLDODouble arrow 1pt.120Right arrow 1pt.125.7043.3V <10mA3.3V <10mA3.3V<10mARight arrow 1pt.125.709Down arrow 1pt.127Line 1pt.126AC/DCAC/DCAC/DC18V <30mA18V <30mA18V <30mAAC 100~200VAC 100~200VAC 100~200VInductor Air Core.212Sheet.731Sheet.732Sheet.733Sheet.734Sheet.735Sheet.736Sheet.737Sheet.738Sheet.739Heating CoilHeating CoilHeating CoilLine 1pt.126.743Line 1pt.744IGBTIGBTIGBT900V > 1A900V > 1A900V > 1ARight arrow 1pt.125.747Sheet.748Non-Elect CapSheet.750Sheet.751Sheet.752Sheet.753Sheet.754Line 1pt.126.762Line 1pt.769Line 1pt.770Line 1pt.771Down arrow.256JarSheet.804Sheet.805JarJarJarLine.254Line.835Isolated PWM ControllerIsolated PWM ControllerIsolated PWM ControllerSheet.841Sheet.822Sheet.839Sheet.840Connector.287Down arrow.256.843Connector.287.844Connector.287.846Connector.287.847Speakerspeaker_8_Sheet.713Sheet.714Sheet.715Sheet.716BuzzerBuzzerBuzzerTransformerTransformerTransformerTransformerSheet.833Sheet.831Sheet.832Sheet.809Sheet.810Sheet.811Sheet.812Sheet.813Sheet.814Sheet.815Sheet.816Sheet.817Notes1RL78/L23 MCU can control an IGBT without a dedicated control...1RL78/L23 MCU can control an IGBT without a dedicated controller2Direct segment LCD drive is supported only on RL78/L23LCD/LED Segment DisplaySheet.854Sheet.855Sheet.856Sheet.857Sheet.858Sheet.859Sheet.860Sheet.861Sheet.862Sheet.863Sheet.864Sheet.865Sheet.866Sheet.867Sheet.868Sheet.869Sheet.870Sheet.871Sheet.872Sheet.873Sheet.874Sheet.875Sheet.876Sheet.877Sheet.878Sheet.879Sheet.880Sheet.881Sheet.882Sheet.883ONONSheet.884OFFOFFSheet.885Sheet.886Sheet.887Sheet.888Sheet.889Sheet.890Sheet.891Sheet.892Sheet.895MCUMCU1MCU1CTSUCTSUCTSUGPIOGPIOGPIOI2CI2CI2CLCDCLCDC2LCDC2Connector Arrow.329
Exiting Interactive Block Diagram

三模块 GaN IH 电饭煲

JP188-2Line.182Line Arrow.1034Line Arrow.1035Line.1083Line.249Line.1087Line.879Line.1117AC Power Source.201Sheet.3Alternating CurrentBridge Rectifier.202Sheet.6Sheet.7Sheet.8Sheet.9Sheet.10Sheet.11Sheet.12Sheet.13Sheet.14Sheet.15Sheet.16Sheet.17Sheet.18Sheet.19Sheet.20Sheet.21LineTouch KeySheet.25Sheet.26Sheet.27Sheet.28Sheet.29Sheet.30Sheet.31Sheet.32Sheet.33Line.50Line.51Line.52Line.53Line.54Line.55Line.56Ground - Signal.74Sheet.75Sheet.76Sheet.77Sheet.78Sheet.79Line.80Line.149Connector ArrowLine.187Line.247Touch KeyTouch KeyTouch KeyLine.256LCDLCDLCDLine.373Line Arrow.388JP188-2JP188-2JP188-2Ground - Signal.304Sheet.305Sheet.306Sheet.307Sheet.308Sheet.309Line.311Line.312Coil 1Line.319Line.320Capacitor Non-polarizedSheet.327Sheet.328Sheet.329Sheet.330Ground - Signal.358Sheet.359Sheet.360Sheet.361Sheet.362Sheet.363Line.364Line.365IH CoilIH CoilIH CoilAC 100VAC 100VAC 100V20V20V20V5V5V5VCurrent SensorCurrent SensorCurrent SensorLine Arrow.453To MCU ADCTo MCU ADCTo MCU ADCLine.877Line.878Line Arrow.908Gate DriverGate DriverGate DriverLine Arrow.1032Line Arrow.1033Line Arrow.1036Line Arrow.103712V12V12VSheet.1050Battery.27Sheet.456Sheet.457Sheet.458BatteryBatteryBatterySheet.1051FanSheet.169Sheet.170Sheet.171Sheet.172Sheet.173Sheet.174Sheet.175Sheet.176Sheet.177Sheet.178Cooling FanCooling FanCooling FanSheet.1052Speakerspeaker_8_Sheet.36Sheet.37Sheet.38Sheet.39BuzzerBuzzerBuzzerLine Arrow.1057Line Arrow.10643.3V3.3V3.3VLine.1068Sheet.1070FanSheet.1072Sheet.1073Sheet.1074Sheet.1075Sheet.1076Sheet.1077Sheet.1078Sheet.1079Sheet.1080Sheet.1081Auxiliary FanAuxiliary FanAuxiliary FanSheet.1088Speakerspeaker_8_Sheet.1091Sheet.1092Sheet.1093Sheet.1094SpeakerSpeakerSpeakerLine.1097Voice Playback ICVoice Playback ICVoice Playback ICFan Driver: HVPAKFan Driver: HVPAKFan Driver:HVPAKDiode - TriacSheet.1107Sheet.1109Triangle.12Triangle.16Line.1114Line.1115Line.1116DriverDriverDriverLine ArrowOptionalOptionalOptionalDC/DCDC/DCDC/DCDC/DCDC/DCDC/DCAC/DCAC/DCAC/DCWi-FiWi-FiWi-Fi DC/DCDC/DCDC/DC3.3V3.3V3.3VLine Arrow.1137Line Arrow.11413.3V3.3V3.3VCurrent Sensor InputCurrent Sensor InputCurrent Sensor Input3.3V3.3V3.3VLine Arrow.1148Line Arrow.1149Line Arrow.1150Heating Element Drive x3Heating Element Drive x3Heating Element Drive x3Heating Element x3Heating Element x3Heating Element x3Line Arrow.11535V5V5V3.3V3.3V3.3VLine Arrow.1158Line Arrow.116320V20V20VHeaterHeaterHeaterGaN FETGaN FETGaN FETGaN FETGaN FETGaN FETSheet.1165MCUMCUMCUCTSUCTSUCTSULCDCLCDC1LCDC1PWMPWMPWMADCADCADCUARTUARTUARTGPIOGPIOGPIOPWMPWMPWMI2CI2CI2CGPIOGPIOGPIOGPIOGPIOGPIOVBATVBATVBATVertical Wire Bundle 222Sheet.1171Vertical Wire Bundle.1172222Sheet.1174Direct segment LCD drive is supported only on RL78/L231Direct segment LCD drive is supported only on RL78/L231Direct segment LCD drive is supported only on RL78/L23LCD/LED Segment Display.1167Sheet.1177Sheet.1178Sheet.1179Sheet.1180Sheet.1181Sheet.1182Sheet.1183Sheet.1184Sheet.1185Sheet.1186Sheet.1187Sheet.1188Sheet.1189Sheet.1190Sheet.1191Sheet.1192Sheet.1193Sheet.1194Sheet.1195Sheet.1196Sheet.1197Sheet.1198Sheet.1199Sheet.1200Sheet.1201Sheet.1202Sheet.1203Sheet.1204Sheet.1205Sheet.1206ONONSheet.1207OFFOFFSheet.1208Sheet.1209Sheet.1210Sheet.1211Sheet.1212Sheet.1213Sheet.1214Sheet.1215
Exiting Interactive Block Diagram

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