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參數資料
| 型號： | REJ03F0052_M54679SP |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 2-Phase Stepper Motor Driver |
| 中文描述： | 二相步進電機驅動器 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 199K |
| 代理商： | REJ03F0052_M54679SP |
M54679SP
Electrical Characteristics
Rev.1.0, Sep.17.2003, page 4 of 11
(Ta = 25°C, Vcc = 5 V, VM = 24 V unless otherwise noted.)
Control circuit
Limits
Min
39
Symbol
Parameter
Conditions
Typ
56
Max
73
Unit
I
CC1
Stby = H, Ph*A = H, Ph*B = L
(Bridge ON)
Stby = H, Ph*A = Ph*B
(Bridge OFF)
Stby = L (Standby condition)
Stby = L
I
CC2
20
27
40
I
CC3
Im12
Supply current
1.5
–10
4.0
0
6.5
100
mA
Motor supply current
(standby)
Logic input voltage
(Ph, I1, I0, Stby terminals)
Phase terminal input current
μ
A
V
logicH
V
logicH
I
(PH)H
I
(PH)L
I
(I0, I1)H
I
(I0, I1)L
I
(stby)H
I
(stby)L
I
(S)
2.4
0
—
–20
—
–400
—
–400
–20
—
—
—
–3.0
—
–300
—
–300
–3.0
Vcc
0.6
10
—
10
—
10
—
—
Note
V
Vin = 5 V
Vin = 0 V
Vin = 5 V
Vin = 0 V
Vin = 5 V
Vin = 0 V
S1 or S2 terminals input current
(S = 0 V, Vref = 5 V).
S1 or S2 terminals input voltage sphere
μ
A
I0, I1 terminal input current
μ
A
Standby terminal input
current
Current sensing comparators
input current
Current sensing comparators
input voltage sphere
Vref input current
μ
A
μ
A
V
(S)
0
—
V
CH(H)
V
I
(Vref)
Input current of Vref
(Vref = 5 V, I0 = I1 = 0 V)
—
500
650
μ
A
V
(Vref)
F
C
Vreg
V
CH(H)
V
CH(M)
V
CH(L)
Note:
Vref input voltage sphere
Oscillation frequency of Fref
Voltage stabilizer output
Current sensing comparators
threshold voltage
0
20
3.35
475
325
139
—
30
3.50
500
350
155
Vcc
40
3.65
525
375
171
V
kHz
V
mV
mV
mV
C = 390 pF, Fref terminal oscillation
Iout = –0.1 mA to +1 mA
I0 = L, I1 = L, Vref = 5 V (Vref/10*100%)
I0 = H, I1 = L, Vref = 5 V (Vref/10*70%)
I0 = L, I1 = H, Vref = 5 V (Vref/10*31%)
The logic reference voltage depends on the diode, and changes according to the temperature. Please consider
the change in the temperature when setting the voltage level input to the logic.
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