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FD036UT Schematic ( PDF Datasheet ) - Feeling Technology

Teilenummer FD036UT
Beschreibung Sensorless 3-phase brushless DC Motor driver
Hersteller Feeling Technology
Logo Feeling Technology Logo 




Gesamt 11 Seiten
FD036UT Datasheet, Funktion
FEELING
TECHNOLOGY
FD036KT
FD036UT
Sensorless 3-phase brushless DC Motor driver
Features
PWM (pulse width modulation) speed control
Built-in FG(frequency generation) for rotation speed calculation, or RD(rotation detection) signal output for
rotation status monitoringSoft-switching technique to reduce vibration and acoustic noise
Thermal shutdown protection
Lock protection and auto-restart function
Selectable direction of rotation(FD036UT)
Low stand-by current in Disable mode(FD036UT)
General Description
FD036 is a sensorless 3-phase brushless DC motor driver. It senses the BEMF(Back-ElectroMotive Force) of the
motor in rotation and provides corresponding commutation current to the motor. The use of sensorless technology
means no Hall sensors are needed. The absence of the Hall-sensor makes the fabrication of the motor easier and is
especially suitable for ultra-small motors since the motor driver IC is placed outside the motor assembly.
Block Diagram
Fig.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.
Rev1.3 Sep. 24, 2008
P.1






FD036UT Datasheet, Funktion
FEELING
TECHNOLOGY
FD036KT
FD036UT
Recommended Operating Conditions
Parameter
Symbol
Conditions
Supply Voltage
Operating Temperature Range
VDD
TA
-
-
min.
2.2
-20
Values
typ.
max.
6.5
85
Electrical Characteristics VDD=5.0V, TA=25(unless otherwise specified)
Parameter
Symbol
Conditions
Values
min. typ. max.
Average Supply Current(no load) IDD
5
Output Saturation Voltage(FG)
VSAT_FG VDD=5V, TA=25 oC, Iout=10mA
0.3
Output leakage current(FG)
ILEAKAGE_FG
VOUT=5V
1
On resistance(Rpmos+Rnmos)
RON
2
Thermal Shutdown Threshold
TTHERMAL
165
Unit
V
Unit
mA
V
µA
Rev1.3 Sep. 24, 2008
P.6

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