tb6551f TOSHIBA Semiconductor CORPORATION, tb6551f Datasheet - Page 4

• Manufacturer Part Number: tb6551f
• Description: 3-phase Full-wave Sine-wave Pwm Brushless Motor Controller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Input/Output Equivalent Circuits
Positional signal input pin U
Positional signal input pin V
Positional signal input pin W
Forward/reverse switching
input pin
L: Forward (CW)
H: Reverse (CCW)
Reset input
L: Stops operation (reset).
H: Operates.
Voltage instruction signal
input pin
Turn on the lower transistor
at 0.2 V or less.
(X, Y, Z pins: On duty of 8%)
Lead angle setting signal
input pin
0 V: 0°
5 V: 58°
(5-bit AD)
Pin Description
CW/CCW
Symbol
RES
HW
HU
HV
LA
V
e
Digital
With Schmitt trigger
Hysteresis 300 mV (typ.)
L : 0.8 V (max)
H: V
Digital
With Schmitt trigger
Hysteresis 300 mV (typ.)
L : 0.8 V (max)
H: V
Digital
With Schmitt trigger
Hysteresis 300 mV (typ.)
L : 0.8 V (max)
H: V
Analog
Input range 0 V to 5.0 V
Input voltage of Vrefout or higher is
clipped to Vrefout.
Analog
Input range 0 V to 5.0 V
Input voltage of V
clipped to V
refout
refout
refout
- 1 V (min)
- 1 V (min)
Input/Output Signal
- 1 V (min)
refout
.
refout
4
or higher is
Input/Output Internal Circuit
V
V
V
refout
refout
V
V
refout
CC
CC
V
V
refout
refout
2.4 kW
2.4 kW
2.4 kW
120 W
120 W
2002-12-24
TB6551F