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參數(shù)資料
| 型號： | X3101PT-V |
| 英文描述： | 3 or 4 Cell Li-Ion Battery Protection and Monitor IC |
| 中文描述： | 3或4芯鋰離子電池保護和監(jiān)控器IC |
| 文件頁數(shù)： | 13/40頁 |
| 文件大小： | 249K |
| 代理商： | X3101PT-V |
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X3100/X3101 – Preliminary Information
Characteristics subject to change without notice.
13 of 40
REV 1.1.8 12/10/02
www.xicor.com
over-charge and over-discharge protection circuitry is on
for approximately 2ms in each 125ms period. Over-
current monitoring is continuous. In monitor mode (see
page 20) over-charge and over-discharge monitoring is
also continuous.
Over-charge Protection
The X3100 and X3101 monitor the voltage on each
battery cell (V
CELL
). If for any cell, V
CELL
> V
OV
for a
time exceeding T
OV
, then the Charge FET will be
switched OFF (OVP/LMON=V
CC
). The device has now
entered Over-charge protection mode (Figure 5). The
status of the discharge FET (via pin UVP) will remain
unaffected.
While in over-charge protection mode, it is possible to
change the state of the OVPC bit in the control register
such
that
OVP/LMON=Vss
Although the OVPC bit in the control register can be
changed, the change will not be seen at pin OVP until
the X3100 or X3101 returns from over-charge
protection mode.
(Charge
FET=ON).
The over-charge detection delay T
OV
, is varied using a
capacitor (C
OV
) connected between pin OVT and GND.
A typical delay time is shown in Table 10. The delay T
OV
that results from a particular capacitance C
OV
, can be
approximated by the following linear equation:
T
OV
(s)
≈
10 x C
OV
(μF).
Table 19. Typical over-charge detection time
The device further continues to monitor the battery cell
voltages, and is released from over-charge protection
mode when V
CELL
< V
OVR
, for all cells. When the X3100
or X3101 is released from over-charge protection
mode, the charge FET is automatically switched ON
(OVP/LMON=V
SS
). When the device returns from over-
charge protection mode, the status of the discharge
FET (pin UVP/OCP) remains unaffected.
The value of V
OV
can be selected from the values
shown in Table 4 by setting bits VOV1, VOV0. These bits
are set by using the WCFIG instruction to write to the
configuration register.
Figure 5. Over-charge Protection Mode—Event Diagram
Symbol
T
OV
C
OV
0.1μF
Delay
1.0s (Typ)
V
CELL
OVP/LMON
Normal Operation Mode
Over-charge
Protection
Mode
V
OV
V
OVR
T
OV
Normal Operation Mode
V
CC
V
SS
Event
0
1
2
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X3100 | Reed Relay; Contacts:SPST; Switching Current Max:0.5A; Switching Voltage Max:200V; Contact Carry Current:1A; Coil Voltage DC Max:5V; Relay Terminals:DIP-14; Relay Mounting:PC Board; Contact Carrying Power:10W |
| X3100V28 | Reed Relay; Contacts:SPST; Contact Carry Current:1A; Coil Voltage DC Max:5V; Relay Terminals:Thru Hole; Switching Current Max:0.5A; Switching Voltage Max:200V; Contact Carrying Power:10W; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| X3101V28 | Reed Relay; Contacts:SPST-NO; Switching Current Max:0.5A; Switching Voltage Max:200V; Contact Carry Current:1A; Coil Voltage DC Max:12V; Relay Terminals:DIP-14; Relay Mounting:PC Board; Contact Carrying Power:10W |
| X311-SERIES | Peripheral IC |
| T311-SERIES | Transient Voltage Suppressor Diodes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(xué):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(yīng)商設(shè)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(xué):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(yīng)商設(shè)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 |
| X3101V28T2 | 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(xué):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(yīng)商設(shè)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 |
| X3101V28Z | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:3 or 4 Cell Li-ion Battery Protection and Monitor IC |
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