OCH41H Sensor Datasheet

OCH41H Datasheet, PDF, Equivalent


Part Number

OCH41H

Description

Bipolar Hall Effect Position Sensor

Manufacture

Orient Chip

Total Page 2 Pages
Datasheet
Download OCH41H Datasheet


OCH41H
General Description
The OCH41H is an integrated Hall Effect
latched sensor designed for electronic commutation
of brush-less DC motor applications. The device
includes an on-chip Hall voltage generator for
magnetic sensing, a comparator that amplifiers the
Hall voltage, and a Schmitt to provide switching
hysteresis for noise rejection, and open-collector
output. An internal bandgap regulator is used to
provide temperature compensated supply voltage
for internal circuits and allows a wide operating
supply range.
A south pole of sufficient strength will turn the
output ON. In the absence of a magnetic field, the
output is OFF.
OCH41H
Bipolar Hall Effect Position Sensor
Features
Wide operating voltage range: 4.0V~30V
Wide operating temperature range: -40°C
~+150°C
Reverse polarity protection
HBM ESD > 8KV
Package: SIP-3L
Applications
Rotor Position Sensing
Brush-less DC Fan
Brush-less DC Motor
Speed measurement
Revolution counting
Pin Configuration
(Top View)
Pin
Name
VCC
GND
Output
Pin No.
1
2
3
Typical Application Circuit
P/O
P
P
O
Pin Function
IC Power Supply
IC Ground
It is low state during the S magnetic field
Figure 1, application circuit of OCH41H
Note: CIN is for power stabilization and to strengthen the noise immunity, the recommended capacitance is
0.1~1uF. If the VCC power supply is clean, the CIN can be cancelled.
Page 1-2
Ver. 1.1 Feb .27, 2018
源于灿瑞 磁传天下

OCH41H
Ordering Information
OCH41H
Bipolar Hall Effect Position Sensor
Part Number
OCH41HAMF
Package
Type
SIP-3L
Package Qty
Bulk
1000pcs/bag
Brp
(Gauss)
-80 ~ -5
Bop
(Gauss)
5 ~ 80
Temperature Eco Plan
-40150ROHS
Lead
Cu
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Page 2-2
Ver. 1.1 Feb .27, 2018
源于灿瑞 磁传天下


Features WWW.ORIENT-CHIP.COM ◼ General Descrip tion The OCH41H is an integrated Hall E ffect latched sensor designed for elect ronic commutation of brush-less DC moto r applications. The device includes an on-chip Hall voltage generator for magn etic sensing, a comparator that amplifi ers the Hall voltage, and a Schmitt to provide switching hysteresis for noise rejection, and open-collector output. A n internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allo ws a wide operating supply range. A sou th pole of sufficient strength will tur n the output ON. In the absence of a ma gnetic field, the output is OFF. OCH41 H Bipolar Hall Effect Position Sensor Features ⚫ Wide operating voltage range: 4.0V~30V ⚫ Wide operating temp erature range: -40°C ~+150°C ⚫ Reve rse polarity protection ⚫ HBM ESD > 8 KV ⚫ Package: SIP-3L ◼ Applications ⚫ Rotor Position Sensing ⚫ Brush-l ess DC Fan ⚫ Brush-less DC Motor ⚫ Speed measurement ⚫ Re.
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