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CPAP Application Solutions From Maxim

Auth:CGOCMALL Date:2020/3/31 Source:CGOCmall Visit:308 Related Key Words: ventilator CPAP chip solution application Maxim

Continuous Positive Airway Pressure (CPAP)


CPAP: An artificial respirator that applies pressure to the respiratory tract.

Maxim - CPAP.png

* The blue box is the part that Maxim can provide. For the detailed part numbers, please see the table below.

Parts that can be used with this CPAP ( From MAXIM )



Part Number
Half-Bridge DriverMAX5064A


CS AmpMAX44284MAX9918MAX9922MAX9634
ADCMAX11614MAX11608MAX11135MAX11338
SupervisorMAX16056MAX16058

RTCDS3231


LCD Backlight DriverMAX8901AMAX1553

LCD Power and ControlMAX5026


RS-232MAX3232EMAX13237E

VREFMAX6070MAX6133

OP AMPMAX9632MAX4230MAX44260
ADCMAX11614MAX11608MAX11135MAX11338
Audio CodecMAX9860


Speaker DriverMAX9711MAX9718

TempDS75LVDS7505

Battery ChargerMAX8814MAX8971MAX8903
Fuel GaugeMAX17043DS2756DS2745
Battery IsolationMAX16914MAX14634

Voltage MonitorMAX6381MAX9060

Step-Down DC-DCMAX17503MAX17504

Step-Up DC-DCMAX5026
MAX15036

LDOMAX8902AMAX8880


A CPAP machine consists of the following parts:


A CPAP machine consists of a blower mechanism with a variable air pressure output. The variation is controlled by a microcontroller-based embedded system. The embedded system contains inputs from air monitoring sensors and motor control sensors.

Mask air is monitored by input sensors that measure temperature, humidity, and pressure. Motor-related sensors include motor-winding current input and motor voltage. Additional system sensors include temperature.

System outputs include the motor speed and any audible alarms or spoken voice alarms.

The user interface consists primarily of on/off and pressure control buttons, and pressure indicators. These indicators can be implemented on backlit LCDs for more expensive systems or simply signaling LEDs for less expensive systems.

Some CPAP machines are battery powered and portable, but most are bedside plug-in designs that use line power. The line-powered devices can also have a limited battery backup to provide service during power interruptions.




CPAP Application Solutions for Several Major Brands


(A) Maxim Integrated              (B) Texas Instruments          (C) STMicroelectronics


(D) NXP Semiconductors        (E) Renesas Electronics         (F) Microchip Technology

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