TB6582FG(O,EL) Toshiba, TB6582FG(O,EL) Datasheet - Page 15

• Manufacturer Part Number: TB6582FG(O,EL)
• Description: IC BRUSHLESS MOTOR CTLR 52-QFP
• Manufacturer: Toshiba
• Type: 3 Phase Full Wave Brushless Motor Controllerr

Specifications of TB6582FG(O,EL)

• Applications: DC Motor Controller, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Voltage - Supply: 6.5 V ~ 16.5 V
• Operating Temperature: -30°C ~ 115°C
• Mounting Type: Surface Mount
• Package / Case: 52-QFP
• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 15 V
• Supply Current: 16 mA
• 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: TB6582FG(O,EL); TB6582FGOELTR

Induced voltage
Phase current
8. Lead Angle Correction
(4’)
(3’)
(1)
(2)
(3)
(4)
The phase-current delay is corrected by comparing the phase current from the shunt resistor circuit
(U-phase) and the induced voltage detected at the induced voltage detection circuit (U-phase).
2.5 V
2.5 V
2.5 V
0 V
0 V
0 V
Phase current
0°
*:
Iu
The lead angle correction logic is applied to correct the misalignment of ∆X T.
∆X
∆X
∆X
∆Y
∆Y
∆Y
T
T
T
T
T
T
∆X
∆Y
∆X
(1)
T
T
T
(*)
Vu
Iu
Design Specifications
detection & Sample
Induced voltage
Phase current
180°
& Filter
and hold
(2)
15
(Note 1)
Induced voltage
Phase current
calculation
delay
46
Vref/2
Vref/2
360°
Current waveform without the lead
angle correction (Shunt current)
Sample and hold & amplified waveform
Induced voltage calculated by the
induced voltage equation
Current waveform with a delay of ∆Y T
(The delay of ∆Y T is adjusted by the
external capacitor C LA .)
Square wave converted from the
current waveform (4)
Square wave converted from the
induced voltage waveform (3)
(3)
(4)
Waveform under high-efficient
operation (ideal)
Preliminary
(Note 2)
(3’)
(4’)
V
LA
control
angle
Lead
logic
3
TB6582FG
2007-10-18
Vrefout