Innovative Power IC Solutions for Smart Home Appliance

Innovative Power IC Solutions for Smart Home Appliance 智能家��源芯片�新方案 9/20/2019 Shuzhuang Lv AC-DC BU PM Director

Agenda I. Smart Home Appliance (SHA) Is Changing Our Life (智能家�改�我�的生活) II. Diodes SHA AC-DC Applications （达尔智能家�交流-直流�用） III. Innovative AC-DC Power Solutions for SHA（�新的智能家�方案） IV. Diodes SHA AC-DC Product Abstract (�品概述） V. Diodes SHA AC-DC Products Portfolio (�品目�) VI. Power Product Solutions：AP 3917, AP 3981, AP 3781, AP 3987 CT VII. Technical Discussion: Reduce standby power，improve efficiency, improve transmission rate VIII. Technical Support Page 2

Diodes SHA AC-DC Product Abstract �品概述 AP 3917 B/C/D are universal AC voltage step-down power switchers, which are specially designed for home appliance and Io. T applications with non-isolated buck solution or offline flyback solutions. AP 3917 B/C/D用于非隔离降�BUCK（无��器）低成本�构方案，适用于智能家�。 AP 3981 B/C/D 2 are high performance power switchers integrated with a primary side regulation (PSR) controller and an N-channel power MOSFET. The ICs can be used for battery charger and adapter applications, accurate constant voltage (CV) and constant current (CC) can be achieved without an optocoupler and secondary control circuitry. AP 3981 B/C/D 2用于隔离降�FLYBACK（含��器）�构方案，特�适用于恒�恒流智能家�。 AP 3781 is high performance PSR power controller with external MOSFET and NTC resistor, which is specially for smart speakers, set-top-boxes , power tools and internet powers with ever-increasing output power. AP 3781外置MOSFET和NTC� 阻，用于隔离降�FLYBACK（含��器）�构方案，特�适用于智能音箱、机�盒，�� 具、网�路由器等功率持�增�的�用。 AP 3987 CT is high performance power switcher integrated with PSR controller, high voltage startup block and an N-channel power MOSFET. The IC can be used for smart speaker, battery charger and adapter applications, accurate CV, CC and OTP with NTC can be achieved. AP 3987 CT 隔离回�式�构方案，特�适用于快速启�、����切�快、待机功耗低的智能音箱和�警�源。 Page 6

Diodes SHA AC-DC Product Portfolio –�品目� Buck Switcher Part Number Application AP 3917 B 非隔离家�（���，�扇， AP 3917 C �水器，无�局域网，�磁炉， 破壁机，空气�化器） AP 3917 D Standby Power @230 Vac Overshoot/ Undershoot ��特性 EMI 23 ± 5% 8 d. B Margin 170 2 SO-7 23 ± 5% 8 d. B Margin 270 4 SO-7 23 ± 5% 8 d. B Margin 370 6 SO-7 Output Current Power Rating (m. A) (W) Package PSR Switcher/Controller Standby power @230 Vac Overshoot/ Undershoot ��特性 EMI MOSFET Power Rating (W) Package 50 m. W ± 5% 8 d. B Margin 650 V MOS 7. 5 SO-7 50 m. W ± 5% 8 d. B Margin 650 V MOS 12 SO-8 60 m. W ± 5% 8 d. B Margin 650 V MOS 18 SO-8 60 m. W ± 5% 8 d. B Margin External MOS 40 SO-7, OT 23 -6 AP 3983 RC 50 m. W ± 5% 8 d. B Margin 700 V MOS 12 SO-7 AP 3987 CT 10 m. W ± 5% 8 d. B Margin 650 V MOS 7. 5 SO-7 Part Number Application AP 3981 B AP 3981 C AP 3981 D 2 AP 3781 隔离家�（微波炉，空�，冰 箱，��，机�盒，音箱， ��器）

AP 3917 Non-isolated Single/Dual Output Solutions Features and Advantages Typical Peak Current 170 m. A /270 m. A/370 m. A for AP 3917 B/C/D Excellent efficiency performance at light load 非隔离�品 方案 �出�格 待机功耗 AP 3917 B � �出 12 V/0. 12 A 23 m. W AP 3917 B 双�出 12 V/20 m. A+3. 8 V 20 m. A 8 m. W AP 3917 B ��出 -14 V/45 m. A 22 m. W AP 3917 D��出 12 V/300 m. A 23 m. W AP 3917 D双�出 18 V/250 m. A+5 V 50 m. A 70 m. W AP 3917 B��出 (flyback) 5 V/500 m. A 43 m. W ��高效 Low standby power: 10/23 m. W 极低待机 Low Audible Noise 无音�噪音 Better EMI performance 低�磁干� Better Load Regulation 佳 ���整率 Page 8

Cost-effective Adapter Solutions-AP 3981 B/C/D 2 Features and Advantages Improved Capacitive Load Capability Excellent efficiency Can meet DOE 6. 0/Co. C tie 2 Low standby power: 60 m. W 耗 隔离�品 方案 �出�格 待机功耗 AP 3981 B � �出 12 V/0. 5 A, 5 V/1. 5 A 50 m. W AP 3981 C� �出 12 V/1 A 50 m. W AP 3981 D 2 ��出 12 V/1. 5 A 60 m. W 6� 6�能效 低待机功 Low Audible Noise 无音�噪音 Better EMI performance 低�磁干� Better transmission rate ��特性好

AP 3781 24 W Adapter Solutions Features Advantages Improved Capacitive Load 容性�� Low standby power: 60 m. W 低待机功耗 Energy Star 6. 0 and Co. C Tie 2 6�能效 Width Voltage Range under CC Adjustable OTP 宽输出电压 精准可调过温

AP 3987 CT Smart Speaker Solutions Features Advantage Super Low standby power: 10 m. W 超低待机功耗, <10 m. W Energy Star 6. 0 and Co. C Tie 2 6�能效 Width Voltage Range under CC 宽输出电压 Adjustable OTP 精准可调过温

How to Optimize Standby Power and Efficiency Frequency design: balance efficiency and audible noise Standby power: Reduce drain off (standby) current, Increase dummy load

Improve Transmission Rate 改善信号��特性 DUT 2 (competitor solution) Diodes solution is better than competitor’s. DUT 1 (Diodes solution)

Technical Support Ø 官网��application note, datasheet and design tools: https: //www. diodes. com/products/power-management/ac-dc-converters/primary -side-regulation-switchers/ Ø 技���FAE and AE team(深圳和上海): detailed solution support.

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