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PDF FD2257H-G1 Data sheet ( Hoja de datos )

Número de pieza FD2257H-G1
Descripción Smart motor driver
Fabricantes Feeling Technology 
Logotipo Feeling Technology Logotipo



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No Preview Available ! FD2257H-G1 Hoja de datos, Descripción, Manual

FEELING
TECHNOLOGY
FD2257H
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
“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection(TSD)
Available in SIP-4L package
For 12V or 24V DC motor / FAN systems
Halogen Free
General Description
FD2257H is a single-phase full wave motor driver with embedded Hall-effect sensor IC. It integrates a H-bridge
MOS driver, a high sensitivity hall-effect sensor, an event timer for rotor locked in SIP-4L package, which make the
motors’ PCBs(printed circuit boards) design easy and fabricate the high efficiency and high voltage DC motors or
FANs as simply as possible.
For safety, Lock-shutdown function would turn the IC’s internal drivers off avoiding over-heat when the rotor is
locked, and IC will try to re-start the rotor’s torque after the time of these drivers’ shutdown.
Thermal-shutdown protection (TSD) ensures the internal drivers of IC are operating under a 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
Oscillator
Power On
Reset
Digital Control Logic
(Event Timer)
H-Bridge
MOS Driver
Figure.1
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.
Rev1.1 June. 12, 2009
P.1

1 page




FD2257H-G1 pdf
FEELING
TECHNOLOGY
Performance Graphs
RDSON vs. TA
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TA (oC)
Figure.4
Vdd= 4V
Vdd=12V
Vdd=24V
Vdd=28V
Magnetic parameters vs. TA
30
25
20
15
10
5
0
-5
-10
-15
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TA (oC)
Bop, Vdd= 4V
Brp, Vdd= 4V
Bhyst, Vdd= 4V
Bop, Vdd=24V
Brp, Vdd=24V
Bhyst, Vdd=24V
Figure.6
IDD vs TA
4
3.5
3
2.5
2
1.5
1
0.5
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TA (oC)
Figure.8
Vdd= 4V
Vdd=12V
Vdd=24V
Vdd=28V
FD2257H
RDSON vs. VDD
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
V DD( volt s )
Figure.5
Ta = -40
Ta = 25
Ta = 85
Magnetic parameters vs. VDD
25
20
15
10
5
0
-5
-10
-15
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
V DD(volts )
Figure.7
Bop, Ta=25
Brp, Ta=25
Bhyst, Ta=25
IDD vs VDD
4
3.5
3
2.5
2
1.5
1
0.5
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
VDD (volts)
Figure.9
Ta = -40
Ta = 25
Ta = 85
Rev1.1 June. 12, 2009
P.5

5 Page





FD2257H-G1 arduino
FEELING
TECHNOLOGY
Package Dimension (Unit: mm)
SIP-4L(Halogen Free)
5.23±0.12
2-3 deg.
4.2±0.1
2-5 deg.
1.70mm
1.90mm
Sensor location
FD2257H
1.55±0.25
0.73±0.03
0.457±0.025
1.27±0.025
0.39±0.05 0.38±0.05
Rev1.1 June. 12, 2009
P.11

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