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參數(shù)資料
| 型號： | L8202 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTIFUNCTION ANALOG ASIC |
| 中文描述： | 多功能模擬集成電路 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大小： | 237K |
| 代理商： | L8202 |
L8202
12/15
10 APPLICATION CIRCUIT
Figure 6.
Figure 7.
PWM2
Stepper motor
DDrive
DC MTR #2 H
Drive
DC MTR #1 H
PhDrive
Drive
3A DC Load
3.3V or 5V
INTERFACE
Reset
OP.
Amps
LED
Drivers
U1
L8202
57
56
2
5
9
6
12
11
15
14
16
22
3
2
2
3
33
34
41
4
4
47
48
50
63
1
6
51
52
53
54
55
2
20
36
37
38
39
40
OA2-
R_SePH_A-
R_Sense_A
R_Sense_A
VPH_FB
VPH_FB
VPH_drain2
VPH_gate
PH_B-
PH_B+
R_sense_B
VDC4_PWM
Vcc_FB
Vcc_FB
PH_A+
DC1DC1A
GNDDC1B
GND(DC1)
DC2DC2A
GNDDC2B
GND(DC2)
V
DC1DC1A
GND(DC1)
nCS
GND(DC2)
DC2DC2A
OpAmp_GND
OpAmp_Supply
VDC3_PWM
OA4-
OA4+
OA3-
OA4Out
OA3-
OA3+
LED6
LED5
LED4
LED3
LED2
LED1
5
SDATA
C7
From microcontroller
V_bulk
C2
R3
0.62 ohm
D2
C8
100nF
PWM1
Vcc
V_bulk
V_bulk
nCS
PWM1
L4
220uH 1.2A rms, 4.8A sat
V_bulk
VPH
DC motor
+
C1
+
1000uF
1
2
+
2200uF
1
2
Vcc
V_bulk
R2
C3
L1
150uH 3A rms
nCS
DC motor
R4
0.62 ohm
R1
V_bulk
C5
1K
V_bulk
D1
Vcc
Phase A H
Phase B H
VPH regulator
Vcc regulator
SERIAL
OP.
61
60
59
58
8
10
23
21
25
35
43
26
46
24
62
7
17
18
19
32
42
49
64
OA1+
OA2Out
VPH_source1
V_bulk(DC4)
V_bulk(DC4)
Vcc_select
V_bulk(DC1)
SDATA
V_bulk(DC2)
V_bulk(DC3)
V_bulk(DC3)
4
SCLK
SCLK
R3
C8
OA1Out
T
V_bulk(VPH)
Vbulk(Vcc)
A
V
SCLK
n
G
P
V
1
2
3
C6
C4
SDATA
R4
R5
1K
D2
V_bulk
C7
nCS
PWM1
PWM3
Vcc
C8
100nF
+
C6
1000uF
1
2
nCS
+
C1
V_bulk
C3
DC motor
7
V_bulk
V_bulk
PWM4
Drive
DC MTR #2 H
DDrive
DC MTR #1 H
PDrive
PDrive
3A DC Load
3.3V or 5V
3.3V or 5V
INTERFACE
Reset
Amps
DrLED
Drivers
U1
L8202
57
56
2
5
9
6
12
8
15
14
16
22
3
2
2
3
33
34
41
4
4
47
48
50
63
1
6
51
52
53
54
55
2
20
36
37
38
39
40
OA1-
OA1-
R_Sense_A
VPH_FB
VPH_FB
VPH_drain2
V_bulk(VPH)
PH_B+
R_sePH_B-
R_sense_B
R_sense_B
VDC4_PWM
Vcc_FB
Vcc_FB
GNDDC1A
GNDDC1B
GNDDC2B
V
DC1_PWM
GND(DC1)
nCS
GNDDC2B
VDC2_PWM
OpAmp_GND
OpAmp_Supply
VDC3_PWM
OA4-
OA4+
OA3-
LED6
LED5
LED4
LED3
LED2
LED1
From microcontroller
DC motor
PWM2
C5
PWM3
V_bulk
+
C4
1
2
V_bulk
Vcc
L1
Vcc
C2
VPH
R2
D1
V_bulk
DC motor
PWM4
L2
220uH 1.2A rms, 4.8A sat
R3
R1
DC motor
SCLK
SDATA
R4
SCLK
SDATA
C8
C6
6
1
2
3
4
5
Phase A H
Phase B H
VPH regulator
Vcc regulator
SERIAL
OP.
61
60
59
58
10
7
23
21
25
35
43
26
46
24
OA1+
OA1-
62
11
17
18
19
32
42
49
64
OA1Out
V_bulk(VPH)
V_bulk(DC4)
Vbulk(Vcc)
V_bulk(DC1)
DC1A
SCLK
V_bulk(DC2)
V_bulk(DC3)
T
V_bulk(VPH)
Vbulk(Vcc)
A
V
SDATA
n
G
DC2A
P
OA4Out
V
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