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參數(shù)資料
| 型號： | L6280 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | THREE CHANNELS MULTIPOWER DRIVER SYSTEM |
| 中文描述： | 三通道移動電站驅(qū)動系統(tǒng) |
| 文件頁數(shù)： | 3/26頁 |
| 文件大?。?/td> | 388K |
| 代理商： | L6280 |
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PINS
1
2
3
4
5
NAME
V
S
HSD 1
SMPS OUT
HSD 1
HSD 2
GND
FUNCTIONS
Power Supply Voltage Input
High Side CH 3 Power Output
Output of Switchmode Power Supply
High Side CH 1 Power Output
High Side CH 1 Power Output
Common Grounded Terminal
6, 7,17,29,
39, 40
8
9
10
11
12
13
14
15
16
LSD 1A
LSD 2A
SENSE 1
LSD 1B
LSD 2B
V
S
+V
DHS
V
SS
Comp.
RES OUT
Low Side CH 1 Power Output
Low Side CH 1 Power Output
A Resistor Rsense, connected to this pin allows load current control for CH 1
Low Side CH 1 Power Output
Low Side CH 1 Power Output
Input Voltage for the HSD Gates Drive
Logic Supply Voltage Input
An RC series network allows the compensation of the SMPS regulation loop
The reset open drain output can be used to warnthe microprocessor about V
S
and V
SS
status
Together with C
OSC
, sets the cycle time of the SMPS t = 1.1 R
O
C
O
Together with C
OSC
, sets the cycle time of the SMPS t = 1.1 R
O
C
O
and sets the
minimum ON time in the PWM current control loop
The value of this capacitor sets the reset delay t
D
= 7
x
10
4
C
D
By-pass Capacitor of the LSD Gates Voltage drive
Thevalue ofthis CWDsets the duration of thewatchdog monostable t
WD
=3
x
10
4
C
WD
.
If no watchdog signal is generatedinto the TWD time the device is automatically
switched off.
Enable Input (active when low)
Write Input. When WR is low the data is loaded into the
μ
P interface
Operation Selection (see programming sequence).
Operation Selection (see programming sequence).
Channel Selection (see programming sequence).
Channel Selection (see programming sequence).
Data (see programming sequence).
Data (see programming sequence).
Data (see programming sequence).
Data (see programming sequence).
Low Side CH 2 Power Output
Low Side CH 2 Power Output
A Resistor R
sense
, connected to this pin allows load current control for CH 2
Low Side CH 2 Power Output
Low Side CH 2 Power Output
High Side CH 2 Power Output
High Side CH 2 Power Output
A Resistor R
sense
, connected to this pin allows load current control for CH 3
Low Side CH 3 Power Output
18
19
R
OSC
C
OSC
20
21
22
C
D
V
DLS
t
WD
23
24
25
26
27
28
30
31
32
33
34
35
36
37
38
41
42
43
44
CS
WR
A0
A1
A2
A3
D0
D1
D2
D3
LSD 2B
LSD 1B
SENSE 2
LSD 2A
LSD 1A
HSD 2
HSD 1
SENSE 3
LSD 1
PIN DESCRIPTION
L6280
3/26
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