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PDF TB6551F Data sheet ( Hoja de datos )
| Número de pieza | TB6551F | |
| Descripción | 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TB6551F (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6551F
3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
Features
· Sine-wave PWM control
· Built-in triangular-wave generator
(carrier cycle = fosc/252 (Hz))
· Built-in lead angle control function (0° to 58° in 32 steps)
· Built-in dead time function (setting 2.6 µs or 3.8 µs)
· Supports bootstrap circuit
· Overcurrent protection signal input pin
· Built-in regulator (Vref = 5 V (typ.), 30 mA (max))
· Operating supply voltage range: VCC = 6 V to 10 V
Weight: 0.33 g (typ.)
TB6551F
1 2002-12-24
1 page  
Pin Description
Symbol
Input/Output Signal
Setting dead time input pin
L : 3.8 ms
H or Open: 2.6 ms
Digital
Td
L : 0.8 V (max)
H: Vrefout - 1 V (min)
TB6551F
Input/Output Internal Circuit
Vrefout Vrefout
1.2 kW
Output logic select signal
input pin
L: Active low
H: Active high
Digital
OS
L : 0.8 V (max)
H: Vrefout - 1 V (min)
Vrefout Vrefout
2.4 kW
Overcurrent protection
signal input pin
Analog
Idc
Gate block protected at 0.5 V or higher
(released at carrier cycle)
VCC
240 kW
Comparator
Clock signal input pin
Clock signal output pin
Xin
Operating range
2 MHz to 8 MHz (crystal oscillation)
Xout
Vrefout
Vrefout
Xin Xout
360 kW
VCC
VCC VCC
Reference voltage signal
output pin
Vrefout 5 ± 0.5 V (max 30 mA)
5 2002-12-24
5 Page 
Operation Flow
Positional signal
(Hall IC)
Position
detector
Counter
Phase matching
Phase U
Phase V
Phase Sine-wave pattern
W (modulation signal) Comparator
Voltage
instruction
Oscillator
System clock
generator
Triangular wave
(carrier frequency)
TB6551F
U
X
V
Y
W
Z
(Note)
92%
Driven by square wave
0.2 V (typ.)
Voltage instruction Ve
4.6 V
Note: Output ON time is decreased by the dead time.
(carrier frequency ´ 92% - Td ´ 2)
100%
Driven by sine wave
0 0.2 V (typ.)
Voltage instruction Ve
5 V (Vrefout)
11
2002-12-24
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet TB6551F.PDF ] | |
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