TB6551FG(EL,DRY) Toshiba, TB6551FG(EL,DRY) Datasheet - Page 15

• Manufacturer Part Number: TB6551FG(EL,DRY)
• Description: IC BRUSHLESS MOTOR CTLR 24SSOP
• Manufacturer: Toshiba

Specifications of TB6551FG(EL,DRY)

• Package / Case: 24-SSOP
• Mounting Type: Surface Mount
• Voltage - Supply: 6 V ~ 10 V
• Operating Temperature: -30°C ~ 115°C
• Applications: DC Motor Controller, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: TB6551FGTR

Operating Waveform When Driven by Sine-Wave PWM
Generation inside of IC
Output waveform
Inter-line voltage
Note: The motor is driven by a sine wave if REV = Low, i.e., if the Hall signals at start-up are 5 Hz (fosc = 4 MHz) or
When the motor is driven by a sine wave, the motor is accelerated or decelerated according to the On duty
of T
On duty on page 11):
Phase W
Phase U
Phase V
higher and the motor is rotating in the same direction as that of the TB6551F/FG setting.
(W-U)
(V-W)
ONU
V
(U-V)
V
V
WU
VW
UV
W
U
V
Y
X
Z
Triangular wave frequency = carrier frequency = f
when the amplitude of the modulation symbol changes by voltage V
Modulation signal
15
osc
/252 (Hz).
(CW/CCW = Low, OS = High)
Triangular wave (carrier frequency)
e
(see the diagram of output
TB6551F/FG
2007-7-17