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參數(shù)資料
| 型號： | L6280 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 4.4 A, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 8983K |
| 代理商： | L6280 |
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PINS
NAME
FUNCTIONS
1VS
Power Supply Voltage Input
2
HSD 1
High Side CH 3 Power Output
3
SMPS OUT
Output of Switchmode Power Supply
4
HSD 1
High Side CH 1 Power Output
5
HSD 2
High Side CH 1 Power Output
6, 7,17,29,
39, 40
GND
Common Grounded Terminal
8
LSD 1A
Low Side CH 1 Power Output
9
LSD 2A
Low Side CH 1 Power Output
10
SENSE 1
A Resistor Rsense, connected to this pin allows load current control for CH 1
11
LSD 1B
Low Side CH 1 Power Output
12
LSD 2B
Low Side CH 1 Power Output
13
VS +VDHS
Input Voltage for the HSD Gates Drive
14
VSS
Logic Supply Voltage Input
15
Comp.
An RC series network allows the compensation of the SMPS regulation loop
16
RES OUT
The reset open drain output can be used to warn the microprocessor about VS
and VSS status
18
ROSC
Together with COSC, sets the cycle time of the SMPS t = 1.1 ROCO
19
COSC
Together with COSC, sets the cycle time of the SMPS t = 1.1 ROCO and sets the
minimum ON time in the PWM current control loop
20
CD
The value of this capacitor sets the reset delay tD = 7 x 10
4 CD
21
VDLS
By-pass Capacitor of the LSD Gates Voltage drive
22
tWD
The value of this CWD sets the duration of the watchdog monostable tWD = 3 x 10
4 CWD.
If no watchdog signal is generated into the TWD time the device is automatically
switched off.
23
CS
Enable Input (active when low)
24
WR
Write Input. When WR is low the data is loaded into the
P interface
25
A0
Operation Selection (see programming sequence).
26
A1
Operation Selection (see programming sequence).
27
A2
Channel Selection (see programming sequence).
28
A3
Channel Selection (see programming sequence).
30
D0
Data (see programming sequence).
31
D1
Data (see programming sequence).
32
D2
Data (see programming sequence).
33
D3
Data (see programming sequence).
34
LSD 2B
Low Side CH 2 Power Output
35
LSD 1B
Low Side CH 2 Power Output
36
SENSE 2
A Resistor Rsense, connected to this pin allows load current control for CH 2
37
LSD 2A
Low Side CH 2 Power Output
38
LSD 1A
Low Side CH 2 Power Output
41
HSD 2
High Side CH 2 Power Output
42
HSD 1
High Side CH 2 Power Output
43
SENSE 3
A Resistor Rsense, connected to this pin allows load current control for CH 3
44
LSD 1
Low Side CH 3 Power Output
PIN DESCRIPTION
L6280
3/26
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