OCH182 Sensor Datasheet

OCH182 Datasheet, PDF, Equivalent


Part Number

OCH182

Description

Hall Effect Latched Sensor

Manufacture

Orient Chip

Total Page 2 Pages
Datasheet
Download OCH182 Datasheet


OCH182
OCH182
Hall Effect Latched Sensor
General Description
The OCH182 is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC
motor applications. The device using HV BCD process includes an on-chip Hall voltage generator for magnetic
sensing, a comparator that amplifiers the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise
rejection, and an 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.
If a magnetic flux density larger than threshold Bop,output is turned on(low).The output state is held until a
magnetic flux density reversal falls below Brp causing OUT to be turned off(high).
Features
Wide operating voltage range: 2.5V~26V
Operating temperature range: -40°C ~+125°C
Temperature compensation
Reverse polarity protection
Integrated 10KΩ pull-up resistor
Package: SOT23-3L
Applications
Rotor Position Sensing
Brush-less DC Motor
Speed measurement
Revolution counting
Pin Configuration
(Top View)
3
GND
Name
VDD
OUTPUT
GND
No.
1
2
3
VDD
1
Status
P
O
P
OUTPUT
2
Description
IC Power Supply
It is low state during the S magnetic field
IC Ground
Application Circuit
GND
3
OCH182
1
VDD
CIN=0.1uF~1uF
2
OUTPUT
CL=20PF
Figure 1, application circuit of OCH147
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

OCH182
Ordering Information
OCH182
Hall Effect Latched Sensor
Part Number Package Type Packing Qty BOP (Gauss) BRP(Gauss) Temperature Eco Plan Lead
OCH182WAE
SOT23-3L
3000pcs
28(Typ.) -28(Typ.) -40 ~ 125ROHS Cu
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Page 2-2
Ver. 1.1 Feb .27, 2018
源于灿瑞 磁传天下


Features OCH182 Hall Effect Latched Sensor ◼ G eneral Description The OCH182 is an int egrated Hall effect latched sensor desi gned for electronic commutation of brus h-less DC motor applications. The devic e using HV BCD process includes an on-c hip Hall voltage generator for magnetic sensing, a comparator that amplifiers the Hall voltage, and a Schmitt trigger to provide switching hysteresis for no ise rejection, and an open-collector ou tput. An internal band-gap regulator is used to provide temperature compensate d supply voltage for internal circuits and allows a wide operating supply rang e. If a magnetic flux density larger th an threshold Bop,output is turned on(lo w).The output state is held until a mag netic flux density reversal falls below Brp causing OUT to be turned off(high) . ◼ Features ⚫ Wide operating volt age range: 2.5V~26V ⚫ Operating tempe rature range: -40°C ~+125°C ⚫ Tempe rature compensation ⚫ Reverse polarit y protection ⚫ Integrated 10KΩ pull-up resistor ⚫ Package:.
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