參數(shù)資料
型號(hào)： SI3232PPTX-EVB
廠商： Silicon Laboratories Inc
文件頁數(shù)： 53/128頁
文件大小： 0K
描述： BOARD EVAL W/DISCRETE INTERFACE
標(biāo)準(zhǔn)包裝： 1
系列： ProSLIC®
主要目的： 接口，模擬前端（AFE）
已用 IC / 零件： Si3232
已供物品： 板，CD
Si3232
30
Preliminary Rev. 0.96
Not
Recommended
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ew
D
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Figure 12. External Battery Switching Using the Si3232 and Si3200
When generating a high-voltage ringing amplitude using the Si3220, the power dissipated during the OHT state
typically increases due to operating from the ringing battery supply in this mode. To reduce power, the Si3232/
Si3200 chipset provides the ability to accommodate up to three separate battery supplies by implementing a
secondary battery switch using a few low-cost external components as illustrated in Figure 13. The Si3232’s
BATSEL pin is used to switch between the VBHI (typically –48 V) and VBLO (typically –24 V) rails using the switch
internal to the Si3200. The Si3232’s GPO pin is used along with the external transistor circuit to switch the VBRING
rail (the ringing voltage battery rail) onto the Si3200’s VBAT pin when ringing is enabled. The GPO signal is driven
automatically by the ringing cadence provided that the RRAIL bit of the RLYCON register is set to 1 (signifying that
a third battery rail is present).
Si3232
BATSEL
Linefeed
Circuitry
VBATL
V
BLO
V
BHI
Si3200
BATSEL
Battery
Sensing
Circuit
Battery
Select
Control
806 k
SVBAT
40.2 k
Battery
Logic
Control
VBAT
VBATH
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI3232-X-FQ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
SI3232-X-GQ 制造商:SILABS 制造商全稱:SILABS 功能描述:DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING
SI3233 制造商:SILABS 制造商全稱:SILABS 功能描述:PROSLIC㈢ PROGRAMMABLE CMOS SLIC WITH RINGING/BATTERY VOLTAGE GENERATION
Si3233-C-FM 功能描述:射頻無線雜項(xiàng) Single-Chan SLIC RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel
SI3233-C-FMR 功能描述:電信線路管理 IC Single-CH SLIC only BJT/inductor dc-dc RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
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