參數(shù)資料
型號(hào)： SI8252-IM
廠商： SILICON LABORATORIES
元件分類： 微控制器/微處理器
英文描述： DIGITAL POWER CONTROLLER
中文描述： SPECIALTY MICROPROCESSOR CIRCUIT, QCC28
封裝： 5 X 5 MM, ROHS COMPLIANT, QFN-28
文件頁數(shù)： 21/30頁
文件大?。?/td> 932K
代理商： SI8252-IM
Si8250/1/2
Preliminary Rev. 0.8
21
6. Layout Considerations
The mixed-signal nature of the Si8250/1/2 mandates clean bias supplies and ground returns. It is best to provide
separate ground planes for analog, digital and power switch returns. These planes should tie together at only one
point to eliminate the possibility of circulating ground currents.
For best performance, the VDD supply should be decoupled from the main supply. The LQFP-32 package provides
the best noise performance because it has separate analog and digital VDD and ground inputs (AVDD, AGND). As
shown in Figure 9, the AVDD is decoupled by a filter consisting of a 1
resistor in series with a 500 mA, 40
ferrite bead and a parallel combination of a 10 uF with a 0.1 uF high-frequency bypass capacitor. All connections
should be kept as short as possible. The VDDA and GNDA should be connected into their respective ground
planes. The QFN-28 package shares analog and digital power with ground on the same pins. Power supply
decoupling is shown in Figure 10. Again, all connections should be kept as short as possible.
Figure 9. Power Supply Connections for LQFP-32 Package
Figure 10. Power Supply Connections for QFN-28 Package
AVDD
DVDD
Ferrite bead
500 mA, 40
0.1 uF
10 uF
Si8250/1/2
AGND
DGND
AGND
10 uF
0.1 uF
2.5 V
1
Keep trace
lengths as short
as possible
VDD
Ferrite bead
500 mA, 40
0.1 uF
10 uF
Si8250/1/2
GND
2.5 V
1
Keep trace
lengths as short
as possible
相關(guān)PDF資料
PDF描述
SI8252-IQ DIGITAL POWER CONTROLLER
SI8250 DIGITAL POWER CONTROLLER
SI8250-IM DIGITAL POWER CONTROLLER
SI8250-IQ DIGITAL POWER CONTROLLER
SI8401DB-T1 P-Channel 20-V (D-S) MOSFET, Low-Threshold
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI8252-IMR 制造商:Silicon Laboratories Inc 功能描述:VOLT SUPERVISOR PWR SUPPLY 0.05V TO 0.8V 28QFN - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC DIGITAL PWR CONTROLLER 32LQFP 制造商:Silicon Laboratories Inc 功能描述:16K 28 Pin SMPS Controller
SI8252-IQ 功能描述:功率驅(qū)動(dòng)器IC SMPS Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SI8252-IQR 制造商:Silicon Laboratories Inc 功能描述:VOLT SUPERVISOR PWR SUPPLY 0.05V TO 0.8V 32LQFP - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC DIGITAL PWR CONTROLLER 32LQFP 制造商:Silicon Laboratories Inc 功能描述:16K 32 Pin SMPS Controller
SI8261 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5 KV LED EMULATOR INPUT, 4.0 A ISOLATED GATE DRIVERS
SI8261AAC-C-IP 制造商:Silicon Laboratories Inc 功能描述:3.75KV OPTO INPUT SINGLE CHANNEL 0.6A DRIVER WITH 5V UVLO - Rail/Tube 制造商:Silicon Laboratories Inc 功能描述:Isolator Interface IC 3.75kV Optoinput Sgl channel 0.6A driver
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*