Vacuum Cleaner Block Diagram

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Vacuum Cleaner

AC/DC DC/DC REG Voltage Detector Dust Sensor Current Sensor Motor Driver PFC

(AC/DC) Power Supply Block

products Features
NJW4790 Quasi-Resonant RCC Controller IC for AC-DC

(DC/DC) Power Supply Block

products Features
NJM2392 PWM DC/DC Converter IC
NJW1616 600mA, 500kHz, Step-Down Switching Regulator in SOT-23
NJW4171 2.4MHz, 2.5A MOSFET Switching Regulator IC for Buck Converter
NJW4177 Internal 2A MOSFET Switching Regulator IC for Synchronous Buck Converter
R1245 1.2A 30V Input PWM Step-down DC/DC Converter
R1242 3A 30V Input PWM Step-down DC/DC Converter with Synchronous Rectifier Ext. Low-side Tr.
R1243 2A 30V Input PWM Step-down DC/DC Converter
R1271 30 V, 1 A Synchronous PWM Step-down DC/DC Converter

(LDO) Power Supply Block

products Features
NJM11100 Adjustable Low Dropout Regulator with Reverse Current Protection
NJM2830 Low Dropout Voltage Regulator
NJM78 Series 3-Terminal Positive Voltage Regulator
R1524 Low Supply Current 36V Input 200mA Voltage Regulator
R1517 36V Input 500mA Low Supply Current Voltage Regulator
R1518 36V Input 1A Low Supply Current Voltage Regulator

(Voltage Detector) Power Supply Block

products Features
NJU7700 Voltage Detector
NJU7701 Voltage Detector
NJU7704 Voltage Detector
NJU7705 Voltage Detector
NJU7706 Voltage Detector
NJU7707 Voltage Detector
R3114 0.8% Accuracy 0.5V Operating Voltage Detector
R3116 0.8% Accuracy 0.5V Operating Voltage Detector with Delay Function
R5106 Watchdog Timer Equipped with Inhibit Pin with VD
R5107 Watchdog Timer Equipped with Manual Reset with VD
R5108 Watchdog Timer Equipped with SENSE Pin with VD
R5109 Watchdog Timer Equipped with 2-Clock Monitoring with VD
R5650 3-Cell to 5-Cell Li-ion Battery Protection IC with Thermal Protection

(Dust Sensor) Photo Detector

products Features
NJL6401R-3 COBP High Speed Photo Diode
NJL6402R-2 COBP Photo Diode for Front Monitor
NJL6414R Photo Diode
NJL6195R Photo Diode

(Dust Sensor) Op-Amp.

products Features
NJU77552 1.7MHz, 50µA/ch, Excellent EMI Immunity, Rail-to-Rail Input/Output, Operational Amplifier
NJU7077 Precision, Low Noise, Rail-to-Rail Output, Excellent EMI Immunity, CMOS Operational Amplifiers

(Current Sensor)

products Features
NJU77552 1.7MHz, 50µA/ch, Excellent EMI Immunity, Rail-to-Rail Input/Output, Operational Amplifier
NJU7047 9V/µs High-Speed, Rail-to-Rail I/O CMOS Operational Amplifier

(Motor Driver) Motor IC

products Features
NJM2624A Brushless DC Motor Pre-Driver
NJW4303 PWM Three-Phase DC Brushless Motor Controller

(SiC-SBD)

products Features
NJDCD010A065A 650V/10A Silicon Carbide Schottky Barrier Diode