BU52272NUZ Datasheet, PDF (1/20 Pages) Rohm – Omnipolar Detection Hall IC

Datasheet
Omnipolar Detection Hall IC
(Dual Outputs for both S and N Pole Polarity Detection)
BU52272NUZ
General Description
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.
Features
 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)
Key Specifications
 VDD Voltage Range:
 Operate Point:
 Hysteresis:
 Period:
 Supply Current (AVG):
 Output Type:
 Operating Temperature Range:
1.65V to 3.6V
±2.4mT(Typ)
0.4mT(Typ)
50ms(Typ)
4.4µA (Typ)
CMOS
-40°C to +85°C
Package
VSON04Z1114A
W(Typ) x D(Typ) x H(Max)
1.10mm x 1.40mm x 0.40mm
Applications
 Tablets, Smart Phones, Notebook Computers,
Digital Video Cameras, Digital Still Cameras, etc.
Typical Application Circuit, and Block Diagram
HALL
ELEMENT
×
VDD
1
TIMING
LOGIC
3 ^OUT1
GND
VDD
0.1µF
Adjust the bypass capacitor value
as necessary, according to voltage
noise conditions, etc.
4 OUT2
2
GND
Pin Descriptions
Pin Configurations
Pin No. Pin Name
Function
1
VDD
Power supply
2
GND Ground
3
OUT1 Output (Detect the south pole)
4
OUT2 Output (Detect the north pole)
(TOP VIEW)
VDD OUT2
14
(BOTTOM VIEW)
OUT2 VDD
41
23
GND OUT1
32
OUT1 GND
〇Product structure : Silicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
〇This product has no designed protection against radioactive rays
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TSZ02201-0M2M0F415130-1-2
24.May.2016 Rev.002