tb6585fg TOSHIBA Semiconductor CORPORATION, tb6585fg Datasheet - Page 16

• Manufacturer Part Number: tb6585fg
• Description: 3-phase Sine-wave Pwm Driver For Bldc Motors
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(V
PWM Signal Generation
(Inside the IC)
Output
Waveform
Phase U
Phase V
Phase W
Phase U
(inside
the IC)
Output waveform
Line voltage
Phase U
Phase V
Phase W
U
<Output Waveform of the Sine-Wave PWM Drive>
<Output Waveform of the Square-Wave Drive>
− V
V
Note: The above U-phase waveform shows the behavior of the U-phase output signal when a resistor is connected
UV
V
)
between the U and VM pins and also between the U pin and ground to obtain
connected to the V and W pins.
V
SP
input voltage
V
2
M
Modulated wave
indicates the high-impedance state.
16
Carrier frequency
Carrier frequency
V
2
M
. Likewise, resistors are
TB6585FG
2008-03-04
V
(typ.)
GND
V
GND
V
GND
V
GND
GND
GND
GND
refout
M
M
M
V
V
V
V
V
V
2
2
2
M
M
M
M
M
M