APPENDIX E. POWER M
參數(shù)資料
型號： 101-0525
廠商： Rabbit Semiconductor
文件頁數(shù)： 34/142頁
文件大?。?/td> 0K
描述： COMPUTER SINGLE-BOARD LP3500 FOX
標(biāo)準(zhǔn)包裝： 50
系列： SBC
模塊/板類型： 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品： LP3500
其它名稱： 316-1058
User’s Manual
123
APPENDIX E. POWER MANAGEMENT
Appendix E describes the power circuitry provided on the
LP3500. The LP3500 can operate from an unregulated external
power source, or from an external battery. There is onboard bat-
tery backup for the SRAM and the real-time clock.
E.1 External Power Supply
Power is normally supplied to the LP3500 via pins 16 and 17 of header J2 on the LP3500.
The Prototyping Board provides a convenient header plug for use with the AC adapter
included with the LP3500 Tool Kit. The Prototyping Board includes a Shottky diode for
protection against reverse polarity.
The raw DC power, VIN, goes through a linear regulator as shown in Figure E-1. The lin-
ear regulator outputs a Vcc of 2.8 V DC.
Figure E-1. LP3500 Linear Regulator Circuit
The power necessarily dissipated by the regulator can be calculated if both the external
input voltage and the current drawn by the LP3500 are known. The current provided by
the high-power output drivers does not have to be included if a separate power supply is
connected to K so that power does not come from Vcc.
LINEAR POWER SUPPLY
J2
47 F
10 F
VIN
Vcc
C64
C65
16
17
105 kW
R51
MIC5236
U13
2
3
PF7
Q20
PB0
R57
220 kW
R53
20 kW
26.1 kW
R52
Q18
100 nF
220 kW
C70
R58
4
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
101-0526 功能描述:開發(fā)板和工具包 - 其他處理器 LP3510 RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101-0529 功能描述:開發(fā)板和工具包 - 其他處理器 LP3500 Tool Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101053 制造商:RUKO 功能描述:Bulk
101-0530 功能描述:開發(fā)板和工具包 - 其他處理器 LP3500 TOOLKIT Univr RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
101-0531 功能描述:單板計(jì)算機(jī) BL2101 0-10V A/D RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲(chǔ)容量:2 GB (max) 存儲(chǔ)類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
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