tb6539f TOSHIBA Semiconductor CORPORATION, tb6539f Datasheet - Page 15
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tb6539f
Manufacturer Part Number
tb6539f
Description
3-phase Full-wave Sine-wave Pwm Brushless Motor Control
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB6539F.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
tb6539fG
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
Operating Waveform When Driven by Sine-Wave PWM
Generation inside of IC
Output waveform
Inter-line voltage
Note: At startup, the motor is driven by a sine wave when the Hall signals are 5 Hz or higher (f
When the motor is driven by a sine wave, the motor is accelerated/decelerated according to the On duty of
T
duty on page 11).
Phase W
Phase U
Phase V
ONU
motor is rotating in the same direction as the TB6551F controls it (REV = Low).
(V-W)
(W-U)
V
(U-V)
V
V
WU
VW
UV
W
U
when the amplitude of the modulation symbol changes by voltage V
X
V
Y
Z
Triangular wave frequency = carrier frequency = f
Modulation signal
15
osc
/252 (Hz)
(CW/CCW = = = = Low, OS = = = = High)
Triangular wave (carrier frequency)
e
(see the diagram of output On
osc
= 4 MHz) and the
TB6539N/F
2002-06-12