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FD0252bVR-G1 데이터시트 PDF




Feeling Technology에서 제조한 전자 부품 FD0252bVR-G1은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 FD0252bVR-G1 기능
기능 Smart motor driver
제조업체 Feeling Technology
로고 Feeling Technology 로고


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FD0252bVR-G1 데이터시트, 핀배열, 회로
FEELING
TECHNOLOGY
FD0252b
FD0256b
Smart motor driver with embedded Hall sensor
FEATURES
Motor driver with integrated Hall sensor
High current driving capability
Lock-shutdown protection & auto-restart function
Built-in RD(rotation detection) signal output
“Soft-switch” phase-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection
PWM speed control(only available for FD0256b)
Available in both T825(FD0252b) and T826(FD0256b) packages
Halogen
Free
GENERAL DESCRIPTION
FD0252b/FD0256b 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.
FD0252b/FD0256b is built-in the signal output of rotation detection function, the system could detect the rotation
status from this signal of motor when using FD0252b/FD0256b.
“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




FD0252bVR-G1 pdf, 반도체, 판매, 대치품
FEELING
TECHNOLOGY
FD0252b
FD0256b
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating Temperature
Storage Temperature
DC Supply Voltage
PWM Voltage Range
Supply Current
Continuous Current
Hold Current
RD Pin Sink Current
Junction Temperature
Maximum Power Dissipation
Thermal Resistance (note1)
Thermal Resistance (note1)
Magnetic Flux Density
IR-Reflow Lead Temperature
Symbol Conditions
min.
TOP -
-20
TST -
-40
VDD, VRD
-
PWMHIGH
-
>0.5VDD
PWMLOW
-
0
IDD -
ICONT
-
IHOLD
-
IRD -
TJ -
PDT825
-
PDT826
-
T825
θja
T826
T825
θjc
T826
B
TP 10sec
Values
typ.
0.291
0.280
0.023
0.020
max.
105
150
6.5
6.5
<0.14VDD
3
500
800
25
170
500
520
Unlimited
260
Unit
V
V
V
mA
mA
mA
mA
mW
mW
/mW
/mW
/mW
/mW
Gauss
Note1: device mounted with copper area of approximately 10mm2, 1ØZ, no air flow. (room temperature: 25 )
150 ± 10 oC
90 ± 30 sec
255 ± 5 oC
10 ± 1 sec
2~5 oC /sec
2~5 oC /sec
SECOND
IR-ReFlow Soldering Condition
Figure.4
Pd (mW)
500
412
326
240
154
68
0
0
T825 Power Dissipation Curve
105 oC
170 oC
25 50 75 100 125 150 175
Temp. ( oC )
Figure.5
Pd (mW)
520
428
339
250
160
71
00
T826 Power Dissipation Curve
105 oC
170 oC
25 50 75 100 125 150 175
Temp. ( oC )
Figure.6
Rev1.9 Dec. 18, 2008
P.4

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FD0252bVR-G1 전자부품, 판매, 대치품
FEELING
TECHNOLOGY
Output Waveforms Description
FD0252b
FD0256b
Figure.9 FD0252/0256b Operation Waveforms Description
Note:
1. RD is an open drain output and the high level of the signal depends on the external supply voltage.
2. The on torque time of motor is same as the re-start time.
Rev1.9 Dec. 18, 2008
P.7

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FD0252bVR-G1

Smart motor driver

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