SI3225DCX-EVB Silicon Laboratories Inc, SI3225DCX-EVB Datasheet - Page 29

• Manufacturer Part Number: SI3225DCX-EVB
• Description: DAUGHTER CARD W/DISCRETE INTRFC
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3225DCX-EVB

• Main Purpose: Interface, Analog Front End (AFE)
• Utilized Ic / Part: Si3225
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

C1, C2, C11, C12
C3, C4, C13, C14
C5, C6, C15, C16
C30
C20–C25
R1, R2, R11, R12
R5, R15
R3, R4, R13, R14
R6
R7, R8, R17, R18
R9, R19, R20
R10
R21, R22
R23, R25
R24, R26
R27, R28
Notes:
1
1. Optional. Only required when using dual-battery architecture.
2. Example power rating.
3. Required for Si3200 revision E only.
4. R27 and R28 must be populated for each Si3225 in the system.
, R16
1
, C31
Component
1
3
3
4
1
, C32, C33
Table 17. Si3225 + Si3200 External Component Values
100 nF, 100 V, X7R, ±20% Filter capacitors for TIP, RING ac sensing inputs.
10 nF, 100 V, X7R, ±20%
1 µF, 6.3 V, X7R, ±20%
40.2 k Ω , 1/10 W, ±5%
40.2 k Ω , 1/10 W, ±1%
402 k Ω , 1/10 W, ±1%
806 k Ω , 1/10 W, ±1%
806 k Ω , 1/10 W, ±1%
4.7 k Ω , 1/10 W, ±1%
182 Ω , 1/10 W, ±1%
39 k Ω , 1/10 W, ±5%
0.1 µF, 100 V, Y5V
0.1 µF, 10 V, Y5V
0 Ω , 1/10 W, ±5%
15 Ω , 1/8 W, ±5%
510 Ω , 2W, ±2%
Value
2
Rev. 1.3
TIP/RING compensation capacitors.
Low-pass filter capacitors to stabilize differential and com-
mon mode SLIC feedback loops.
Decoupling for battery voltage supply pins.
Decoupling for analog and digital chip supply pins.
Sense resistors for TIP, RING dc sensing nodes.
Sense resistors for battery voltage sensing nodes.
Current limiting resistors for TIP, RING ac sensing inputs.
Sets bias current for battery switching circuit.
Reference resistors for internal transconductance amplifier.
Sense registers for ringing generator feed.
Generates a high accuracy reference current.
Feed resistor for ringing generator source.
Protection against power supply transients.
Protection against power supply transients.
Pulldown resistors.
Si3220/25 Si3200/02
Function
29