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參數(shù)資料
| 型號： | ICS1702M |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | QuickSaver Charge Controller for Nickel-Cadmium and Nickel-Metal Hydride Batteries |
| 中文描述： | QuickSaver充電控制器的鎳鎘和鎳氫電池 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 466K |
| 代理商： | ICS1702M |
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8
ICS1702
If a thermal switch is used, a 45
°
C open circuit switch is
recommended. When the thermal switch opens, an internal pull-up
at the THERM pin results in a logic high which shuts down the
controller and activates the OTN indicator. The controller must be
reset once the hot battery fault condition has cleared to restart the
charge sequence.
Maximum temperature termination can be disabled by grounding
the THERM pin. See the section on
Temperature Sensing
for more
information.
Fast Charge Timer Termination
The controller uses a timer to limit the fast charge duration.
These times are pre-programmed, and are automatically adjusted in
time duration according to the charge rate selected. Fast charge
timer termination is best suited as a safety backup feature to limit
the duration of the fast charge stage. The fast charge timer is
always enabled and cannot be disabled. See Table 4 in the section
Charge Rate Selection
for more information.
To determine the required thermistor characteristics for proper
temperature slope termination, the battery temperature rise must be
known or determined for the last minute prior to full charge.
Maximum temperature termination is also enabled when
temperature slope termination is used. Care must be taken to keep
voltage levels at the THERM pin within the fast charge range
(between 2.4V and 0.93V), as shown in Figure 9.
Maximum Temperature Termination
Maximum temperature can be sensed using either a NTC
thermistor or a thermal switch. Maximum temperature termination
can also be bypassed if desired, although it is strongly
recommended that some form of temperature termination be used.
If an NTC thermistor is used, an internal voltage threshold
determines when the battery is too hot to charge. As temperature
increases, the voltage across the thermistor will drop. This voltage
is continually compared to the internal voltage threshold. If the
thermistor voltage drops below the internal threshold, the OTN
indicator is activated and the controller shuts down. The controller
must be reset once the hot battery fault condition has cleared to
restart the charge sequence.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ICS1702MT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:QuickSaver Charge Controller for Nickel-Cadmium and Nickel-Metal Hydride Batteries |
| ICS1702N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:QuickSaver Charge Controller for Nickel-Cadmium and Nickel-Metal Hydride Batteries |
| ICS1705 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ICS1708 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:QuickSaver Charge Control IC for Nickel-Cadmium and Nickel-Metal Hydride Batteries |
| ICS1708N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:QuickSaver Charge Control IC for Nickel-Cadmium and Nickel-Metal Hydride Batteries |
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