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PDF FD0250f Data sheet ( Hoja de datos )
| Número de pieza | FD0250f | |
| Descripción | Smart motor driver | |
| Fabricantes | Feeling Technology | |
| Logotipo |  |
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FEELING
TECHNOLOGY
FD0250f
Smart motor driver with embedded Hall sensor
Features
Motor driver with high sensitivity Hall-effect sensor
H-Bridge MOS driver
Lock-shutdown protection & auto-restart function
Built-in Alarm Signal Output (RD)
“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection (TSD)
PWM mode variable speed control
Available in TS826 package
For 5V DC motor / FAN systems
Halogen Free
General Description
FD0250f is a single-phase full-wave motor driver with embedded Hall-effect sensor. It integrates a H-bridge MOS
driver, a high sensitivity Hall-effect sensor, an event timer for locked rotor detection, and the variable speed control
function with the alarm signal output logic into the ultra-small TS826 package, which make the motors’ PCB (printed
circuit board) design easier and the fabrication of small-size DC motors or FANs as simple as possible.
The external system could read the alarm signal of rotation from RD signal of FD0250f.
For safety, Lock-shutdown function turns the IC’s internal driver off to avoid over-heating when the rotor is locked,
and the IC will try to re-start the motor after the shutdown interval.
Thermal-shutdown protection (TSD) ensures the internal driver of IC is operating under the safe operating
temperature range.
All the protection mechanisms mentioned above combine to provide a complete protecting scenario in the motor
system and avoid any possible damages and guarantee under a correct and safe operation.
Block Diagram
Bias Generator
Hall Plate
Chopper Amplifier PWM Control
Oscillator
Power On
Reset
Digital Control Logic
(Event Timer)
Figure.1
H-Bridge
MOS Driver
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev1.2 June. 16, 2009
P.1
1 page  
FEELING
TECHNOLOGY
Performance Graphs
RDSON vs. TA
1.2
1
0.8
0.6
0.4
0.2
0
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110
TA (oC)
Figure.6
Vdd=1.8V
Vdd=3V
Vdd=5.5V
Magnetic parameters vs. TA
50
40
30
20
10
0
-10
-20
-30
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110
TA (oC)
Figure.8
Bop, Vdd=1.8V
Brp, Vdd=1.8V
Bhyst, Vdd=1.8V
Bop, Vdd=5.5V
Brp, Vdd=5.5V
Bhyst, dd=5.5V
FD0250f
RDSON vs. VDD
1.2
1
0.8
0.6
0.4
0.2
0
0123456
V DD(volts )
Figure.7
Ta = -20
Ta = 25
Ta = 105
Magnetic parameters vs. VDD
50
40
30
20
10
0
-10
-20
-30
0 12 34 56
VDD(volts )
Figure.9
Bop, Ta=25
Brp, Ta=25
Bhyst, Ta=25
IDD vs TA
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110
TA (oC)
Figure.10
Vdd=1.8V
Vdd=3V
Vdd=5.5V
IDD vs VDD
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0 12 3 45 6
VDD (volts)
Figure.11
Ta = -20
Ta = 25
Ta = 105
Rev1.2 June. 16, 2009
P.5
5 Page 
FEELING
TECHNOLOGY
IC Pin Connection
Marking Distinguish
FD0250f
Order Information
Part Number
FD0250fR-G1
Package
TS826
MOQ
3,500 EA / REEL
Marking
chXXXXg
MSL
3
Rev1.2 June. 16, 2009
P.11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet FD0250f.PDF ] | |
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