种类:感应式 | 加工定制:否 | 品牌:SZYHM |
型号:YH279 | 产品类别:热销 | 营销类别:低价 |
营销方式:厂家直销 |
General Description
driver designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall sensor for magnetic sensing, an amplifier
that amplifies the Hall voltage, a Schmitt trigger to
provide switching hysteresis for noise rejection, a tem-perature compensation circuit to compensate the tem-perature drift of Hall sensitivity and two
complementary open-collector drivers for sinking
large load current. It also includes an internal band-gap
regulator which is used to provide bias voltage for
internal circuits.
Placing the device in a variable magnetic field, if the
magnetic flux density is larger than threshold BOP, the
pinDO willbe turned low (on) and pin DOB will be
turned high (off). This output state is held until the
magnetic flux density reverses and falls below BRP,
then causes DO to be turned high (off) and DOB
turned low (on).
Features
· On-Chip Hall Sensor
· 4.0V to 18V Supply Voltage
· 250mA (avg) Output Sink Current
· Build in Over Zener Diodes Protect Outputs
·
·
-20
o
C to 85
o
COperating Temperature
Low Profile TO-92S (SIP-3L) Package
Applications
· Dual-Coil Brushless DC Motor
· Dual-Coil Brushless DC Fan
· Revolution Counting
· Speed Measurement
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Page 1-6 Rev.1.0 Aug.31,2012 Preliminary datasheet
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Power Hall IC with Complementary Output
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Typical Applications
Figure 1. Typical Application Circuit
DO GNDDOB
1 3 2
COIL1 COIL2
R1
470
R2
470
C1
2.2?F
V
CC
D1
C2
2.2?F
+ +
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YH279 裕辉美科技
G279
The YH279 is an integrated Hall sensor with outpu