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Número de pieza | FD0255bVR-G1 | |
Descripción | Smart motor driver | |
Fabricantes | Feeling Technology | |
Logotipo | ||
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No Preview Available ! FEELING
TECHNOLOGY
FD0251b
FD0255b
Smart motor driver with embedded Hall sensor
FEATURES
Motor driver with integrated Hall sensor
High current driving capability
Lock-shutdown protection & auto-restart function
Halogen
Free
Built-in FG(frequency generation) signal output “Soft-switch” phase-switching technique to reduce vibration
and acoustic noise
Thermal shutdown protection
PWM speed control(only available for FD0255b)
Available in both T825(FD0251b) and T826(FD0255b) packages
GENERAL DESCRIPTION
FD0251b/FD0255b is a single coil motor driver with embedded Hall sensor. It integrates the motor driver with the
Hall sensor, which simplifies the PCB(printed circuit board) design and make the fabrication of small-size motors
possible.
Lock-shutdown and auto-restart function keeps the motor from being over-heated and restarts the motor after being
locked.
FD0251b and FD0255b are built-in the signal output of rotation speed function, the system could detect the rotation
speed of motor when using FD0251b and FD0255b.
“Soft-switch” phase-switching technique is used to reduce the vibration and acoustic noise.
Thermal-shutdown protection ensures the motor driver to operate under specified temperature ranges.
All the protection mechanisms mentioned above combine to provide a complete protecting scenario for the motor
system, keep the motor system from possible damages and guarantee correct operations.
BLOCK DIAGRAM
Bias Generator
Hall Plate
Chopper amplifier PWM control
Oscillator
Power-On
Reset
Digital control logics
Figure.1
Coil 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.
Rev1.9 Dec. 18, 2008
P.1
1 page FEELING
TECHNOLOGY
Recommended Operating Conditions
Parameter
Conditions
min.
Values
typ.
max.
Supply Voltage
- 1.8
5.5
Ambient Temperature
- -10
90
Electrical Characteristics VDD=5.0V, TA=25℃ (unless otherwise specified)
Parameter
Conditions
min.
Values
typ.
max.
Average Supply Current(no load)
1.8
Output Saturation Voltage(FG)
Iout= 10mA
0.5
Output leakage current(FG)
Vout=5V
1
On resistance(Rpmos+Rnmos)
0.8
Thermal Shutdown Threshold
165
Magnetic Characteristics
Parameter
Operate Points ( BOP )
Release Points ( BRP )
Hysteresis
Conditions
min.
Values
typ.
25
-25
50
max.
Hysteresis Characteristics
VV
FD0251b
FD0255b
Unit
V
℃
Unit
mA
V
µA
Ω
℃
Unit
G
G
G
Brp Bop
NO
B
Brp
Bop
Figure.7
SO
B
Rev1.9 Dec. 18, 2008
P.5
5 Page FEELING
TECHNOLOGY
PACKAGE DIMENSION(Unit:mm)
T826
Top view: marking side
Sensor location
1.02mm
0.86mm
FD0251b
FD0255b
Symbols
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
L2
R
R1
Θ
Θ1
Dimension In Millimeters
Min Nom Max
- - 1.45
- - 0.15
0.90 1.15 1.30
0.30 - 0.50
0.08 - 0.22
2.90BSC
3.10BSC
1.60BSC
0.95BSC
1.90BSC
0.50 0.65 0.80
0.80BSC
0.25BSC
0.10 -
-
0.10 - 0.25
0˚ 4˚ 8˚
5˚ 10˚ 15˚
Rev1.9 Dec. 18, 2008
P.11
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet FD0255bVR-G1.PDF ] |
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FD0255bVR-G1 | Smart motor driver | Feeling Technology |
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