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參數(shù)資料
| 型號： | X3100V28Z |
| 廠商： | INTERSIL CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MO-153AE, TSSOP-28 |
| 文件頁數(shù)： | 13/41頁 |
| 文件大?。?/td> | 561K |
| 代理商： | X3100V28Z |
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20
FN8110.1
January 3, 2008
Figure 6. Over-Current Protection Mode—Event Diagram
P+
VCS2
UVP/OCP
TOCR
VSS
Over-Current Protection Mode
TOC
Voc
Normal Operation Mode
P+ = (RLOAD+RSENSE) x ILMON
VOC
Normal Operation Mode
Event
0
1
3
4
2
VSS
VCC
B+
Table 24. Over-Current Protection Mode—Event Diagram Description
Event
Event Description
[0,1)
— Discharge FET is ON (OCP = Vss). Battery cells are permitted to discharge.
—VCS21 (VCS2 - VCS1) is less than the over-current threshold voltage (VOC).
— The device is in normal operation mode (i.e. not in a protection mode).
[1]
— Excessive current flows through the battery terminals P+, dropping the voltage. (See Figure 6.).
— The positive battery terminal voltage (P+) falls, and VCS21 exceeds VOC.
— The internal over-current detection delay timer begins counting down.
— The device is still in Normal Operation Mode
(1,2)
The internal Over-current detection delay timer continues counting for TOC seconds.
[2]
— The internal over-current detection delay timer times out, AND VCS21 is still above VOC.
— The internal over-current sense circuitry switches the discharge FET OFF (UVP/OCP = Vcc).
— The device now begins a load monitor state by passing a small test current (ILMON = 7.5A) out of pin
OVP/LMON. This senses if an over-current condition (i.e. if the load resistance < ROCR) still exists across
P+/P-.
— The device has now entered over-current protection mode.
— It is possible to change the status of UVPC and OVPC in the control register, although the status of pins
UVP/OCP and OVP/LMON will not change until the device has returned from over-current protection mode.
(2,3)
— The X3100/X3101 now continuously monitors the load resistance to detect whether or not an over-
current condition is still present across the battery terminals P+/P-.
X3100, X3101
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| X3101 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:3 or 4 Cell Li-Ion Battery Protection and Monitor IC |
| X3101PT-V | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:3 or 4 Cell Li-Ion Battery Protection and Monitor IC |
| X3101V28 | 功能描述:IC PROTECT/MONITOR 3CELL 28TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:1 系列:- 功能:充電管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
| X3101V28C7988 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| X3101V28T1 | 功能描述:IC PROTECT/MONITOR 3CELL 28TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:1 系列:- 功能:充電管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
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