OCH1441 Sensor Datasheet

OCH1441 Datasheet, PDF, Equivalent


Part Number

OCH1441

Description

Bipolar Hall Effect Position Sensor

Manufacture

Orient Chip

Total Page 2 Pages
Datasheet
Download OCH1441 Datasheet


OCH1441
OCH1441
Bipolar Hall Effect Position Sensor for High
Temperature Application
General Description
The OCH1441 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 band-gap regulator is used to provide temperature compensated supply voltage for internal circuits and
allows a wide operating supply range.
In the absence of a magnetic field, the output pin is “OFF” (High). A south pole of sufficient strength will turn the
output “ON” (Low). While the magnetic flux density (B) is larger than threshold Bop, the output pin is “ON” (Low). If B
removed toward BRP, the output pin is latched “OFF(High) state prior to B < BRP. When B < BRP, the output pin goes
into “OFF” state (High).
Features
Bipolar Hall Effect Latch Sensor
Wide operating voltage range: 3.8V~25V
Open Collector Pre-Driver
Maximum output sink current: 50mA
Chip Power Reverse-Connection Protection
Operating Temperature: -40~+150
Package: SIP3L
Applications
Rotor Position Sensing
Current Switch
Encoder
RPM Detection
Brush-less DC Motor
Brush-less DC Fan
Revolution counting
Speed measurement
Pin Configuration
(Top View)
3
Output
Name No. Status
Description
2 Gnd
VCC
GND
1
2
P Input Power Supply
P Ground
1 Vcc
Output 3
O Output Stage of Open Collector
Page 1 - 2
Rev. 1.2 Feb .27, 2018
源于灿瑞 磁传天下

OCH1441
OCH1441
Bipolar Hall Effect Position Sensor for High
Temperature Application
Ordering Information
OCH1441XXXX
Grade:
A : ±80G(B)
Package: Packing:
Temperature Grade:
M: SIP3 Blank: Tube or Bluk or Box F: -40~150
Part Number
OCH1441AMF
Package Type
SIP-3L
Package Qty
Box
1000pcs/bag
Brp
(Gauss)
-80 ~ -10
Bop
(Gauss)
10~ 80
Temperature Eco Plan
-40150ROHS
Lead/Ball
Finish
Cu Sn
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Page 2 - 2
Rev. 1.2 Feb .27, 2018
源于灿瑞 磁传天下


Features .
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