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参数资料
| 型号： | SI8252-IQ |
| 厂商： | SILICON LABORATORIES |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | DIGITAL POWER CONTROLLER |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PQFP32 |
| 封装： | ROHS COMPLIANT, LQFP-32 |
| 文件页数： | 22/30页 |
| 文件大小： | 932K |
| 代理商： | SI8252-IQ |
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Si8250/1/2
22
Preliminary Rev. 0.8
In both cases, the bias supplies must be filtered using low ESR/ESL capacitors placed close to the IC pins.
Thick copper traces should be connected to the bias pins (VDD, VDDA) and the ground pins (GND, GNDA) to
reduce resistance and inductance. The copper routings from the drivers to the FETs should be kept short and wide,
especially in very high frequency applications, to reduce inductance of the traces so that the drive signals can be
kept clean.
Connections between VSENSE and the output voltage must be kept absolutely as short as possible to minimize
inductance and parasitic ringing effects. It is best to locate the Si8250/1/2 as close to the output voltage terminal as
possible and use a Kelvin connection to ensure to difference in ground potential between the Si8250/1/2 and the
output voltage ground return.
Most applications will require access to the debug pins. These pins are susceptible to damage from electrostatic
discharge (ESD). It is therefore recommended the debug circuit interface use the input protection circuitry shown in
Figure 11.
Figure 11. Debug Interface Pin Protection Circuit
DEBUG
CONNECTOR
10
10
Si8250/1/2
Debug Pins
(C2D, C2CK)
2
相关PDF资料 |
PDF描述 |
|---|---|
| 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 |
| SI8401DB-T1-E3 | P-Channel 20-V (D-S) MOSFET, Low-Threshold |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
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| 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 |
| SI8261AAC-C-IPR | 制造商:Silicon Laboratories Inc 功能描述:3.75KV OPTO INPUT SINGLE CHANNEL 0.6A DRIVER WITH 5V UVLO - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:Isolator Interface IC 3.75kV Opto InSnglCH 0.6A driver 5V UVLO |
| SI8261AAC-C-IS | 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:IC ISODRIVER 1CH 0.6A 8SOIC 制造商:Silicon Laboratories Inc 功能描述:Isolator Interface IC 3.75kV Optoinput Sgl channel 0.6A driver |
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