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TMR1148 MicroAmpere Unipolar Magnetic Switch Sensor
  • TMR1148-big
Part No.: TMR1148
Type: Unipolar
Supply Voltage(V): 1.8 to 5.5
Power Consumption(μA): 1.5 μA
Operating Modes: continuous power
Sensing Direction: X-axis
Bop (Gs,25°C)(Gs): 15
Brp (Gs,25°C)(Gs): 10
Output Interface: Open Drain
Package: SOT23-3
Lead Time: In stock

Description

TMR1148 is a unipolar magnetic switch integrated the tunneling magnetoresistance (TMR) magnetic sensor and CMOS circuitry, which is able to detect the change of magnetic field and output high and low voltage signals for high accuracy position detection.

Unlike Hall/AMR sensors, TMR sensors with extremely high resistance values allows TMR1148 to achieve the supply current as low as 1.5 μA while operating in the full-time power supply mode, and maintaining the response frequency of the magnetic signal is 1 kHz. Therefore, TMR1148 can provide true continuous detection of magnetic field signals, avoiding sampling errors from the traditional time-sharing power supply mode.

SOT23-3SOT23-3

Features and Benefits

iconTunneling magnetoresistance (TMR) technologyiconHigh sensitivity
iconHigh frequency response: typ. 1 kHziconUnipolar operation
icon Wide range supply voltages: 1.8 V to 5.5 ViconOpen-drain output
iconLow power consumption: supply current 1.5 μAiconExcellent temperature stability
iconHigh tolerance to external magnetic field interferenceiconRoHS & REACH compliant
iconValidation according to AEC-Q100 Grade1iconFulfill MSL 1

Applications

iconUtility meters: water, gas, and heat metersiconProximity switches
iconSpeed sensingiconLinear and rotation position sensing
iconWake-up switchiconLevel switch

The information provided herein by MultiDimension Technology Co., Ltd. (MDT) is believed to be accurate and reliable. The technology disclosed by MDT does not infringe the patents of other companies and owns independent intellectual property rights. We reserve the right to change the specification of products and/or the information given herein at any time to improve product quality, reliability and functionality. MDT does not assume any liability arising out of the application and use of its products.