Omnipolar Detection Hall IC - BU52272NUZ

The BU52272NUZ is omnipolar Hall IC incorporating a polarity determination circuit that enables separate operation (output) of both the South and North poles. This Hall IC product can be in tablets, smart phones, and other applications in order to detect open and close of the cover. And this Hall IC product can be in digital video cameras and other applications involving display panels in order to detect the front/back location or determine the rotational direction of the panel.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BU52272NUZ-ZE2 Active VSON04Z1114A 5000 5000 Taping Yes
Sensor Type Omnipolar Detection Hall ICs with Polarity Discrimination
Vcc(Min.)[V] 1.65
Vcc(Max.)[V] 3.6
S-pole Operate Point[mT] 2.4
N-pole Operate Point[mT] -2.4
Hysteresis[mT] 0.4
Period[ms] 50.0
Average Supply Current 4.4µA
Output Type CMOS
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
    • Omnipolar Detection
      (Polarity Detection for both S and N Poles with Separate, Dual Outputs)
    • Micro Power Operation
      (Small Current Using Intermittent Operation Method)
    • Ultra-small Outline Package
    • Polarity Judgment and Separate Output on both Poles
      (OUT1=S-pole Output; OUT2=N-pole Output)
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New Products:
Technical Data
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

NE Handbook Series

Sensor Networks