SI3200 查看數據表（PDF） - Silicon Laboratories
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SI3200 Datasheet PDF : 112 Pages
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4. Pin Descriptions: Si3220/25
Si3220/25 Si3200/02
SVBATa
RPOa
RPIa
RNIa
RNOa
CAPPa
CAPMa
QGND
IREF
CAPMb
CAPPb
RNOb
RNIb
RPIb
RPOb
SVBATb
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1
48
2
47
3
46
4
45
5
44
6
43
7
Si3220
42
8
9
64-Lead TQFP
41
40
10
(epad)
39
11
38
12
37
13
36
14
35
15
34
16
33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
GPOa
CS
SDITHRU
SDI
SDO
SCLK
VDD4
GND4
INT
PCLK
GND3
VDD3
DTX
DRX
FSYNC
RESET
SVBATa
RPOa
RPIa
RNIa
RNOa
CAPPa
CAPMa
QGND
IREF
CAPMb
CAPPb
RNOb
RNIb
RPIb
RPOb
SVBATb
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1
48
2
47
3
46
4
45
5
44
6
43
7
Si3225
42
8
9
64-Lead TQFP
41
40
10
(epad)
39
11
38
12
37
13
36
14
35
15
34
16
33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
RRDa
CS
SDITHRU
SDI
SDO
SCLK
VDD4
GND4
INT
PCLK
GND3
VDD3
DTX
DRX
FSYNC
RESET
Pin Number(s)
Si3220 Si3225
1, 16 1, 16
2,15
2,15
3, 14 3, 14
4, 13 4, 13
5, 12
6, 11
5, 12
6, 11
7, 10 7, 10
8
8
Symbol
SVBATa,
SVBATb
RPOa, RPOb
RPIa,
RPIb
RNIa,
RNIb
RNOa, RNOb
CAPPa,
CAPPb
CAPMa,
CAPMb
QGND
Input/ Description
Output
I
Battery Sensing Input.
Analog current input used to sense battery voltage.
O Transconductance Amplifier External Resistor Connec-
tion.
I
Transconductance Amplifier External Resistor Connec-
tion.
I
Transconductance Amplifier Resistor Connection.
O Transconductance Amplifier Resistor Connection.
Differential Capacitor.
Capacitor used in low-pass filter to stabilize SLIC feedback
loops.
Common Mode Capacitor.
Capacitor used in low-pass filter to stabilize SLIC feedback
loops.
Component Reference Ground.
Return path for differential and common-mode capacitors. Do
not connect to system ground.
Rev. 1.3
101
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