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Home ? Product Center ? Analog chip ? Sensor ?
A sensor is a detection device that can sense the measured information, and can transform the sensed information into electrical signals or other required forms of information output according to certain rules, so as to meet the requirements of information transmission, processing, storage, display, recording and control. The sensor has the characteristics of miniaturization, digitalization, intelligence, multifunction, systematization and networking, and it is the first link to realize automatic detection and control.
    The magnetoresistive motion sensor chip provided by RAMSUN is the core, and it is committed to providing high value-added intelligent sensor products and solutions to the fields of automobile, industry and Internet of Things. A series of sensor chips with precise angle and linear position have been applied in various Internet of Things and industrial fields, such as unmanned aerial vehicles, traffic safety/security door magnets, cylinders, flowmeters and magnetic modules, which can perfectly replace similar products abroad. 

Type Number Features Application Contact Us
Encoder chip VCE2755/VCE2758   Adopted technology: AMR
 Installation mode: coaxial installation
 Power consumption (ma): 10 (typ)
 Output modes: ABZ, UVW, PWM, SPI.
(3/4wire)、SSI
 Working voltage: 3.0~5.5V
 Working magnetic field: > 30mT
 Support speed: < 18000rpm
 System delay: < 2μS
 Temperature range (℃):-40 ~ 125℃
 Package: SOP8/QFN16
 
electronic power steering EPS, electronic accelerator pedal,
throttle,automobile oil pump, automobile water pump, automobile fan,
window glass elevator, wiper)
Contact us for details
Encoder chip VCE2765
  Adopted technology: AMR
 Installation mode: Off-axis installation
 Power consumption (ma): 14 (typ)
 Output modes: ABZ, UVW, PWM, SPI.
(3/4wire)、SSI
 Working voltage: 3.0~5.5V
 Working magnetic field: > 30mT
 Support speed: < 12000rpm
 System delay: < 4μS
 Temperature range (℃):-40 ~ 125℃
 Package: TSSOP16
electronic power steering EPS, electronic accelerator pedal, 
throttle,automobile oil pump, automobile water pump, automobile fan,
window glass elevator, wiper)
Contact us for details
Wheel speed sensor VCW1885/VCW1886   Adopted technology: AMR
 Working mode: active and passive.
 Working voltage: 4.4~20V
 Protocol type: standard, PWM, AK protocol.
 Working frequency: 0~4250HZ
 Jitter value: +/-0.1%
 Airgap tolerance:0~5.5mm
 Magnetic transition number: 2
 Duty cycle:40~60%
 Temperature range (℃):-40 ~ 150℃
 Automobile ABS system, ECU system, TPMS tire pressure
monitoring system, EPS electric power steering system, electric
two-wheeled vehicle, electric tricycle.
Contact us for details
Triaxial geomagnetic sensor VCM5883L/VCM1193L/VCM1195  Adopted technology: AMR
 Operating voltage (V): 2.16-3.6
 ADC bits:16/18
 Magnetic field detection range: ±8Gs
 Magnetic field resolution (ut: 0.1/0.2
 Power consumption (UA): 75
 Cross axis sensitivity (fs%):+/-0.1
 Response frequency (Hz): 10/50/100/200.
Temperature range (℃):-40-85
 Communication interface: 12C
 Package: 16-LGA(3.0x3.0x0.9mm)
 Compass, navigation equipment, handheld pan/tilt, camera drone,
foreign body detection, smart parking lot.
Contact us for details
Switch position sensor VCS1385   Adopted technology: AMR
 Type: 1D full pole
 Power consumption (UA): 1.4
 Response frequency (Hz): 1000
 Operating voltage range (V): 2.0 ~ 5.5
 Temperature (℃):-40 ~ 125℃
 BOP:±18
 BRP:±14
 Sensitive direction: x axis
 Output interface: push-pull type
 Package: SOT23-3, TO-92S
 Smoke detector, cylinder position detection, water and electricity
three-meter liquid level detection
Contact us for details
 
Switch position sensor VCS2373/VCS2383/VCS2382/VCS2395
  Adopted technology: AMR
 Type: 1D full pole
 Power consumption (UA): 1.4
 Response frequency (Hz): 1000
 Operating voltage range (V): 2.0 ~ 5.5
 Temperature (℃):-40 ~ 125℃
 BOP:±18
 BRP:±14
 Sensitive direction: x axis
 Output interface: push-pull type
Package: SOT23-3, TO-92S
Smoke detector, cylinder position detection, water and electricity 
three-meter liquid level detection
Contact us for details
Switch position sensor VCS1375RF/RFL
  Adopted technology: AMR
 Type: 1D full pole
 Power consumption (UA): 1.4
 Response frequency (Hz): 1000
 Voltage range (V): 2.0 ~ 5.5
 Temperature (℃):-40 ~ 125℃
 BOP:±32/+21
 BRP:±28/+18
 Sensitive direction: x axis
 Output interface: push-pull type
 Package: FBP2*2
Smoke detector, cylinder position detection, water and electricity 
three-meter liquid level detection
Contact us for details
Angle sensor VCE1715S
  Adopted technology: AMR
 Working voltage (V): 1 ~ 12
 Angular resolution (): ≤ 0.01
 Angle accuracy (0): 0.1
 Signal amplitude (mv/): 12
 Bridge resistance (Ω): 1000
 Temperature range (℃):-40 ~ 125℃
 Package: SOP8
Various embedded and axial absolute value or incremental encoders.
Angle detection in robot joints, universal servo, step servo, roller motor,
hub motor, BLDC, PTZ and other motors.
Contact us for details
Linear position sensor VCP1612/1615
  Adopted technology: AMR
 Operating voltage (V): 5
 Pole spacing (mm): 2, 5
 Signal amplitude (mv/): 12
 Temperature range (℃):-40 ~ 150℃
 Bridge resistance (Ω): 1600
 Measurement accuracy (um): 2-10
 Package: DFN2*6
Domestic manufacturers of magnetic grating ruler and linear motor,
all kinds of magnetic grating reading heads, magnetic grating
displacement sensors,machine tools, robots, medical treatment
(injection pump, prosthetic control).
Contact us for details

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