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| 型号： | EHJ2C |
| 厂商： | Advanced Linear Devices Inc |
| 文件页数： | 2/4页 |
| 文件大小： | 0K |
| 描述： | CABLE OUTBOUND W/CONN EH300/301 |
| 特色产品： | EH300/EH301 Series Energy Harvesting Modules |
| 标准包装： | 1 |
| 附件类型： | 缆线组件 |
| 适用于相关产品： | EH300（A），EH301（A） |
| 其它名称： | 1014-1200 |
FUNCTIONAL DESCRIPTION
ENVIRONMENTAL SPECIFICATIONS
The EH300/EH301 Series module's voltage on the onboard
storage capacitor bank is +V, which is also the positive sup-
ply voltage switched to power the output power load. Ini-
tially, +V voltage on an EH300/EH301 Series module starts
at 0.0V. During the initial charge period, +V starts charging
from 0.0V. The module's internal circuit monitors and de-
tects this +V voltage. When +V reaches V H , the module
output (V P ) is enabled and turned to the ON state and is
then able to supply power to a power load, such as a micro-
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Leadfree (ROHS) compliant
Operating Temperature Range: 0 to 70 ° C
Max. Average Operating Temperature : 50 ° C
Storage Temperature: -40 to +85 ° C
Humidity: To 90% (no condensation)
Protection: Conformal and Epoxy coated
processor and/or a sensor circuit. The amount of useful en-
ergy available is a function of the capacity of the storage
capacitor bank. Meanwhile, an EH300/EH301 Series mod-
ule continues to accumulate any energy generated by ex-
ternal energy sources. If external energy input availability is
high, output V P remains in an ON state continuously, until
such time that external energy availability is lower than the
power demand required by the power load. As external en-
ergy input exceeds power loading, +V increases until inter-
nal voltage clamp circuits limit it to a maximum clamp volt-
age.
During normal operation, as power is drawn from an EH300/
EH301 Series module, +V decreases in voltage. When +V
reaches V L , output V P switches to an OFF state and stops
supplying any further power to the power load. With built-in
hysteresis circuits within the module, V P now remains in the
OFF state, even when the external energy source starts
charging the capacitor bank again by importing fresh new
INITIAL SETUP & CALIBRATION
EH300/EH301 Series modules are setup and calibrated
at the factory to standard specifications and settings.
No user setup is required. Optional user control signal
and connection to external capacitor or battery storage
banks are available at the output port. All EH300/EH301
Series modules are shipped ready to use.
EH300/EH301 Waveforms
+V
V H
V L
impulses of electrical energy. Once V H level is reached again,
output V P is then turned to the ON state again. Hence +V
t 1
t 2
t 3
t 4
voltage cycles between V H to V L voltage levels and then to
the OFF state. When in the ON state, V P can supply up to
1A of current for a limited time period as determined by the
stored useful energy and the energy demand by the power
load. An optional input/ouput pin V R functions as V P on/off
control (external input through 1K ? ) or as READY logical
V R
V H
V L
control (output) signal preceeding output V P switching.
t 1
t 2
t 3
t 4
Input energy charging times t1 and t2 are limited by input
energy available minus energy loss by an EH300/EH301
Series module. The energy output time period t3 is deter-
mined by the rate of energy used by the power load as a
function of energy stored. Low input energy hold time t4 is
V P
V H
V L
typically many orders of magnitude greater than the sum of
t1, t2 and t3.
t 1
t 2
t 3
t 4
EH300/EH300A/EH301/EH301A
Rev 2.1 ?2012 Advanced Linear Devices, Inc.
2 of 4
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