參數(shù)資料
型號(hào)： 20-101-0404
廠商： Rabbit Semiconductor
文件頁(yè)數(shù)： 65/80頁(yè)
文件大小： 0K
描述： MODULE RABBITCORE RCM2000
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore®
模塊/板類型： MPU 核心模塊
適用于相關(guān)產(chǎn)品： RCM2000
產(chǎn)品目錄頁(yè)面： 620 (CN2011-ZH PDF)
其它名稱： 316-1083
64
RabbitCore RCM2000
The drain on the battery by the RCM2000 is typically 10 A when no other power is sup-
plied. If a 950 mAh battery is used, the battery can last more than 6 years:
Since the shelf life of the battery is 10 years, the battery can last for its full shelf life. The
actual life in your application will depend on the current drawn by components not on the
RCM2000 and the storage capacity of the battery.
C.1.2 Battery-Backup Circuit
The battery-backup circuit serves three purposes:
It reduces the battery voltage to the SRAM and to the real-time clock, thereby limiting
the current consumed by the real-time clock and lengthening the battery life.
It ensures that current can flow only out of the battery to prevent charging the battery.
A voltage, VOSC, is supplied to U5, which keeps the 32.768 kHz oscillator working
when the voltage begins to drop.
VRAM and Vcc are nearly equal (<100 mV, typically 10 mV) when power is supplied to
the RCM2000.
Figure C-2 shows the RCM2000 battery-backup circuit.
Figure C-2. RCM2000 Battery-Backup Circuit
VRAM is also available on pin 34 of header J2 to facilitate battery backup of the external
circuit. Note that the recommended minimum resistive load at VRAM is 100 k
, and new
battery life calculations should be done to take external loading into account.
950 mAh
10 A
------------------------
10.8 years (shelf life = 10 years).
=
R11
10 kW
VRAM
VBAT-EXT
External Battery
R12
47 kW
2 kW
R14
RT1
22 kW
mPBAT
Vcc
22 kW
R7
47 kW
U5
pin 5
R8
D2
D1
D3
T
thermistor
C19
1 nF
C9
1 nF
相關(guān)PDF資料
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20-101-0357 COMPUTER SINGLE-BOARD BL1810
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20-101-0405 功能描述:模塊化系統(tǒng) - SOM RCM2010 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲(chǔ)容量:8 MB, 16 MB 存儲(chǔ)類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
20-101-0410 功能描述:單板計(jì)算機(jī) OP6700/6600 battery 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
20-101-0411 功能描述:單板計(jì)算機(jī) OP6700 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
20-101-0412 功能描述:單板計(jì)算機(jī) OP6600 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
20-101-0420 功能描述:模塊配件 FWT27/Pluggable RoHS:否 制造商:Lantronix 產(chǎn)品: 用于:
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