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參數(shù)資料
| 型號(hào)： | MC3479P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR DRIVER |
| 中文描述： | STEPPER MOTOR CONTROLLER, 0.5 A, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大?。?/td> | 159K |
| 代理商： | MC3479P |
MC3479
5
MOTOROLA ANALOG IC DEVICE DATA
Note: tr, tf (10% to 90%) for input
10 ns.
tPLHA
tPHLA
th
tsu
PWCLKL
PWCLKH
1.5 V
1.5 V
Phase A
Output
F/HS,
CW/CCW
Inputs
0
L1 – L4
Outputs
tPCD
3.0 V
0
Clk
3.0 V
Figure 4. Clock Timing
(Refer to Figure 2)
6.0 V
1.5 V
Current
Drivers
and
Logic
VD
QH
QL
L2
Parasitic
Diodes
L1
Motor Coil
QL
VM
B/S
I
′
BS
IBS
RB
To L3, L4
Transistors
CW / CCW
OIC
Clk
F/HS
Inputs
Logic Decoding
Circuit
Figure 5. Output Stages
QH
The maximum sink current available at the outputs is a
function of the resistor connected between Pin 6 and ground
(see section on Bias/Set operation). Whenever the outputs
are to be in a high impedance state, both transistors (QH and
QL of Figure 5) of each output are off.
VD
This pin allows for provision of a current path for the motor
coil current during switching, in order to suppress back–EMF
voltage spikes. VD is normally connected to VM (Pin 16)
through a diode (zener or regular), a resistor, or directly. The
peaks instantaneous voltage at the outputs must not exceed
VM by more than 6.0 V. The voltage drop across the internal
clamping diodes must be included in this portion of the design
(see Figure 6). Note the parasitic diodes (Figure 5) across
each QL of each output provide for a complete circuit path for
the switched current.
Figure 6. Clamp Diode Characteristics
ID (mA)
300
100
200
0
0
1.0
2.0
3.0
V
F
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| MC3479PG | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Two Phase Steper Motor Controller RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MC3479PG | 制造商:ON Semiconductor 功能描述:STEPPER MOTOR DRIVER 3479 DIP16 |
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