tb6551f TOSHIBA Semiconductor CORPORATION, tb6551f Datasheet - Page 3

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tb6551f

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

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Pin Description
Pin No.
21
20
19
18
11
22
23
12
14
15
24
17
16
10
13
3
9
8
7
6
5
4
1
2
CW/CCW
Symbol
P-GND
S-GND
V
RES
REV
X
V
HW
refout
HU
HV
OS
FG
LA
X
V
I
Td
W
dc
U
V
X
Y
Z
CC
out
in
e
Positional signal
input pin U
Positional signal
input pin V
Positional signal
input pin W
Rotation direction
signal input pin
Reset-signal-input pin
Inputs voltage instruction
signal
Lead angle setting signal
input pin
Inputs output logic select
signal
Inputs overcurrent-
protection-signal
Inputs clock signal
Outputs clock signal
Outputs reference voltage
signal
FG signal output pin
Reverse rotation detection
signal
Outputs turn-on signal
Outputs turn-on signal
Outputs turn-on signal
Outputs turn-on signal
Outputs turn-on signal
Outputs turn-on signal
Power supply voltage pin
Inputs setting dead time
Ground for power supply
Ground for signals
Description
When positional signal is HHH or LLL, gate block
protection operates.
With built-in pull-up resistor
L: Forward
H: Reverse
L: Reset (Output is non-active)
Operation/Halt operation
Also used for gate block protection
With built-in pull-down resistor
Sets 0° to 58° in 32 steps
L: Active low
H: Active high
Inputs DC link current.
Reference voltage: 0.5 V
With built-in filter ( ~ - 1 ms)
With built-in feedback resistor
5 V (typ.), 30 mA (max)
Outputs 3PPR of positional signal
Detects reverse rotation.
Select active high or active low using the output logic select pin.
V
L: 3.8 ms, H or Open: 2.6 ms
Ground pin
Ground pin
CC
= 6 V~10 V
3
Remarks
2002-12-24
TB6551F

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