OCH211 IC Datasheet

OCH211 Datasheet, PDF, Equivalent


Part Number

OCH211

Description

2-Phase DC Motor Drive IC

Manufacture

Orient Chip

Total Page 2 Pages
Datasheet
Download OCH211 Datasheet


OCH211
OCH211
2-Phase DC Motor Drive IC With FG Output
General Description
The OCH211, a one-chip composed of hall sensor and
output coil drivers, applied to 2-phase DC motor. The
high sensitivity of Hall effect sensor is suitable for
motors from mini-type CPU coolers to blowers and DC
fans. Typical operation current is 0.4A and operating
voltage range is wide. FG signal, an open collector,
provides a square waveform output for the detection of
the motor speed.
Using few external components, OCH211, a high
performance integrated IC, is designed for a 2-phase
DC motor circuit. The circuit diagram of the typical
application example is as below.
OCH211 is available in SIP-4L package and is rated
over the -40°C to 125°C.
Features
One-chip Solution (Hall Element + Driver)
Input Voltage Range : 3.0V to 20V
For DC motor / Fan Systems
Low Cost Solution
High Sensitivity Hall Sensor
Output Continues Current: 400mA
Built-in FG output
Low quiescent supply current 2.2 mA
Over Thermal Protection
RoHS Compliant
Available in SIP-4L Packages
Applications
Dual-Coil Brushless DC Motor
Dual-Coil Brushless DC Fan
DC Brushless Fan
DC Brushless Motor
Office Automated Equipment
Brown-Goods
Home Applications
Car Audio Cooling Fan
Speed Measurement
Pin Configuration
Pin Name
FG
DO
DOB
GND
Pin No.
1
2
3
4
(Top View)
GND
DOB
DO
FG
Figure 1, Pin Assignments
Description
FG Signal Output
Open Drain Output 1
Complementary Open Drain Output 2
Ground
Ordering Information
Part Number Package Type Packing Qty BOP (Gauss) BRP(Gauss) Temperature Eco Plan Lead
OCH211MD
SIP-4L
1000pcs/Bag
25
-25 -40 ~ 125ROHS Cu
Page1 - 2
Ver.1.2, Feb .27, 2018
源于灿瑞 磁传天下

OCH211
OCH211
2-Phase DC Motor Drive IC With FG Output
Typical Application Circuit
VDD
D1
OCH211
VDD
1 2 34
R1
FG
Figure 2, Typical Application Circuit of OCH211
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Page2 - 2
Ver.1.2, Feb .27, 2018
源于灿瑞 磁传天下


Features W W W .O 1ROI2CHE23112NT-CHIP.COM OCH21 1 2-Phase DC Motor Drive IC With FG Out put ◼ General Description The OCH211 , a one-chip composed of hall sensor an d output coil drivers, applied to 2-pha se DC motor. The high sensitivity of Ha ll effect sensor is suitable for motors from mini-type CPU coolers to blowers and DC fans. Typical operation current is 0.4A and operating voltage range is wide. FG signal, an open collector, pro vides a square waveform output for the detection of the motor speed. Using few external components, OCH211, a high pe rformance integrated IC, is designed fo r a 2-phase DC motor circuit. The circu it diagram of the typical application e xample is as below. OCH211 is available in SIP-4L package and is rated over th e -40°C to 125°C. ◼ Features ⚫ O ne-chip Solution (Hall Element + Driver ) ⚫ Input Voltage Range : 3.0V to 20V ⚫ For DC motor / Fan Systems ⚫ Low Cost Solution ⚫ High Sensitivity Hal l Sensor ⚫ Output Continues Current: 400mA ⚫ Built-in FG ou.
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