TB6584AFNG(O,EL) Toshiba, TB6584AFNG(O,EL) Datasheet - Page 16

• Manufacturer Part Number: TB6584AFNG(O,EL)
• Description: Motor / Motion / Ignition Controllers & Drivers 3-Phase Brushless Driver IC 45V 1.8A
• Manufacturer: Toshiba

Specifications of TB6584AFNG(O,EL)

• Product Category: Motor / Motion / Ignition Controllers & Drivers
• Rohs: yes

triangular waveform to generate a sinusoidal PWM waveform.
edge (60 electrical degrees). This period is then used as 60° phase data for the next modulation.
immediately preceding 60° phase.
rising edge of HU to a falling edge of HW (①). And the modulated waveforms have an interval (②’) equal to the
interval of 1/32 between a falling edge of HW to a rising edge of HV (②). If there is not an HU rising edge before 32
ticks ends, ②’ becomes equal to ①’ until the next rising edge of HU.
degrees. While the hall signal is out of its position and the motor is accelerating or decelerating, the modulated
waveform becomes discontinuous upon each reset.
The position signals from Hall sensors are modulated, and the modulated signals are then compared against a
The counter measures the period from a given rising (falling) edge of three hall signals to its next rising (falling)
A total of 32 ticks comprise 60 electrical degrees; the length of a tick equals 1/32nds the time period of the
In the above diagram, the modulated waveforms have an interval (①’) equal to the interval of 1/32 between a
Phase of data and modulated waveform is adjusted for every zero cross of position detecting signal.
Modulation is reset on each rising and falling edge of position detecting signal, which occurs every 60 electrical
Note: In the above diagram, HU is shown as square waveforms for the sake of simplicity.
S
V
HU
HV
HW
S
S
Sw
U
V
* t = t① × 1/32
*t
*t
1
⑤
2
3
4
⑥
5
6
32 data
⑥’
①
①’
①’
②
16
②’
③
30
31
32
③’
*HU, HV, HW: Hall signals
TB6584AFNG
2010-05-27