Si3220/25 Si3200/02
28
Rev. 1.3
Not
Recommended
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2. Bill of Materials
Table 15. Si3220 + Si3200 External Component Values
Component
Value
Function
C1, C2, C11, C12
100 nF, 100 V, X7R, ±20% Filter capacitors for TIP, RING ac-sensing inputs.
C3, C4, C13, C14
10 nF, 100 V, X7R, ±20%
TIP/RING compensation capacitors.
C5, C6, C15, C16
1 F, 6.3 V, X7R, ±20%
Low-pass filter capacitors to stabilize differential and
common-mode SLIC feedback loops.
C30–C33
0.1 F, 100 V, Y5V
Decoupling for battery voltage supply pins.
C20–C25
0.1 F, 10 V, Y5V
Decoupling for analog and digital chip supply pins.
R1, R2, R11, R12
402 k
, 1/10 W, ±1%
Sense resistors for TIP, RING voltage-sensing nodes.
R3, R4, R13, R14
4.7 k
, 1/10 W, ±1%
Current limiting resistors for TIP, RING ac-sensing inputs.
R5, R15
806 k
, 1/10 W, ±1%
Sense resistor for battery dc-sensing nodes.
R6, R16
40.2 k
, 1/10 W, ±5%
Sets bias current for battery-switching circuit.
R7, R8, R17, R18
182
, 1/10 W, ±1%
Reference resistors for internal transconductance amplifier.
R10
40.2 k
, 1/10 W, ±1%
Generates a high accuracy reference current.
R20, R221
0
, 1/10 W, ±5%
Protection against power supply transients.
R21, R231
15
, 1/8 W, ±5%
Protection against power supply transients.
R24, R252
39 k
, 1/10 W, ±5%
Pulldown resistors.
Notes:
1. Required for Si3200 revision E only.
2. R24 and R25 must be populated for each Si3220 in the system.
Table 16. Si3220 + Si3202 External Component Values
Component
Value
Function
C1, C2, C11, C12
100 nF, 200 V, X7R, ±20% Filter capacitors for TIP, RING ac-sensing inputs.
C3, C4, C13, C14
10 nF, 200 V, X7R, ±20%
TIP/RING compensation capacitors.
C5, C6, C15, C16
1 F, 6.3 V, X7R, ±20%
Low-pass filter capacitors to stabilize differential and
common-mode SLIC feedback loops.
C30–C33
0.1 F, 200 V, Y5V
Decoupling for battery voltage supply pins.
C20–C25
0.1 F, 10 V, Y5V
Decoupling for analog and digital chip supply pins.
R1, R2, R11, R12
402 k
, 1/10 W, ±1%
Sense resistors for TIP, RING voltage-sensing nodes.
R3, R4, R13, R14
4.7 k
, 1/10 W, ±1%
Current limiting resistors for TIP, RING ac-sensing inputs.
R5, R15
806 k
, 1/10 W, ±1%
Sense resistor for battery dc-sensing nodes.
R6, R16
40.2 k
, 1/10 W, ±5%
Sets bias current for battery-switching circuit.
R7, R8, R17, R18
182
, 1/10 W, ±1%
Reference resistors for internal transconductance amplifier.
R10
40.2 k
, 1/10 W, ±1%
Generates a high accuracy reference current.
R20, R22
Not Required for Si3202
R21, R23
Not Required for Si3202
R24, R25*
39 k
, 1/10 W, ±5%
Pulldown resistors.
*Note: R24 and R25 must be populated for each Si3220 in the system.