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參數(shù)資料
| 型號(hào)： | TB6520PG |
| 廠商： | Toshiba Corporation |
| 英文描述： | PWM TYPE 3−PHASE FULL−WAVE SENSORLESS MOTOR CONTROLLER |
| 文件頁數(shù)： | 3/19頁 |
| 文件大?。?/td> | 391K |
| 代理商： | TB6520PG |
TB6520P/PG
2006-3-6
3
PIN FUNCTION
PIN No.
SYMBOL
I / O
FUNCTIONAL DESCRIPTION
1
DUTY
I
Analog input pin to control PWM duty
z
V
DUTY
≤
V
AD (L)
.................
Duty 0%
z
V
AD (L)
<
V
DUTY
<
V
AD (H)
..
Duty change by V
DUTY
(1 / 128 to 127 / 128)
z
V
DUTY
≥
V
AD (H)
................
Duty 100% (127 / 128)
(
Note)
Duty becomes
100% when duty pin is open.
2
FG
O
Rotational frequency detection output
z
When stopped : LOW
z
When start is forcibly transferred : LOW
z
When normally rotated : 1
pulse signal is output in one electric cycle.
4
polar motor ·· 2 pulses / rotation
8
polar motor ·· 4 pulses / rotation
3
4
XT,
XT
I
Crystal oscillation pin
Start transfer frequency fst, maximum transfer frequency fmx, and PWM frequency fp are
determined by outer oscillator frequency.
fst = fx / 2
18
fmx = fx / 2
10
fp = fx / 256
5
CMP
SEL
I
Position detection signal 1
phase input mode / 3
phase input mode switching pin
HIGH or OPEN : 3
phase input mode
LOW : 1
phase input mode
Pull
up resistor is built in
6
WAVE
W
I
W
phase position detection signal input. Used by 3
phase input mode. Pull
down resistor
is built in.
7
IP
I
Start position determination input
HIGH : Internal timer stopped
LOW : Internal timer started
Non
transfer operation when V
DUTY
> V
AD (L)
, IP = HIGH (1
phase excitation) Normal
operation when V
DUTY
> V
AD (L)
, IP = LOW
8
START
SP
O
START, STOP detection output
LOW : output on
HIGH : output off
9
GND
Ground
10
OC
I
z
Excess current detection signal input
z
When OC = “HIGH”, turn off the HIGH output of the switch
on signal.
z
Pull
down resistor is built in.
11
WAVE
U
I
z
At the time of 3
phase input mode: U
phase position detection signal.
z
At the time of 1
phase input mode: position detection signal.
z
Pull
down resistor is built in.
12
OUT
W
O
W
phase switch
on signal, 3
state output.
13
OUT
V
O
V
phase switch
on signal, 3
state output.
14
OUT
U
O
U
phase switch
on signal, 3
state output.
15
WAVE
V
I
V
phase position signal input. Used in 3
phase input mode. Pull
down resistor is built in.
16
V
DD
5 V supply pin
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