OCH184 Datasheet PDF | Orient Chip





(PDF) OCH184 Datasheet PDF

Part Number OCH184
Description Hall Effect Latched Sensor
Manufacture Orient Chip
Total Page 2 Pages
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Features: OCH184 Hall Effect Latched Sensor ◼ G eneral Description The OCH184 is an int egrated Hall effect latched sensor desi gned for electronic commutation of brus h-less DC motor applications. The devic e using High Voltage process includes a n on-chip Hall voltage generator for ma gnetic sensing, a comparator that ampli fiers the Hall voltage, and a Schmitt t rigger to provide switching hysteresis for noise rejection, and an open-collec tor output. An internal band-gap regula tor is used to provide temperature comp ensated supply voltage for internal cir cuits and allows a wide operating suppl y range. ◼ Features ⚫ Wide operati ng voltage range: 2.5V~26V ⚫ Operatin g temperature range: -40°C ~+125°C Temperature compensation ⚫ Reverse polarity protection ⚫ Open-Drain pre- driver ⚫ Package: SIP-3L、SOT23-3L ◼ Applications ⚫ Rotor Position Sen sing ⚫ Brush-less DC Motor ⚫ Speed measurement ⚫ Revolution counting W W W .ORIEN 1T- 2C 3HIP.COM ◼ Pin Configuration Name VDD GND.

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OCH184 datasheet
OCH184
Hall Effect Latched Sensor
General Description
The OCH184 is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC
motor applications. The device using High Voltage 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.
Features
Wide operating voltage range: 2.5V~26V
Operating temperature range: -40°C ~+125°C
Temperature compensation
Reverse polarity protection
Open-Drain pre-driver
Package: SIP-3LSOT23-3L
Applications
Rotor Position Sensing
Brush-less DC Motor
Speed measurement
Revolution counting
Pin Configuration
Name
VDD
GND
OUTPUT
SIP-3L
1
2
SIP-3L
No.
SOT23-3L
1
3
32
(Top View)
OUTPU
T
GND
VDD
3
GND
VDD
OUTPUT
12
SOT23-3L
Status
P
P
O
Description
IC Power Supply
IC Ground
SIP-3L:It is low state during the S magnetic field
SOT23-3L: It is low state during the N magnetic field
Application Circuit
OCH184
123
VDD
CIN=0.1uF~1uF
GND
RL=10KΩ
OUTPUT
CL=20PF
GND
3
OCH184
N
VDD
1
2
OUTPUT
CIN=0.1uF~1uF
RL=10KΩ
CL=20PF
Figure 1, application circuit
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

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