參數(shù)資料
型號： X3100
廠商： Intersil Corporation
英文描述： 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
中文描述： 3或4芯鋰離子電池保護(hù)和監(jiān)控器IC
文件頁數(shù)： 16/40頁
文件大?。?/td> 249K
代理商： X3100
X3100/X3101 – Preliminary Information
Characteristics subject to change without notice.
16 of 40
REV 1.1.8 12/10/02
www.xicor.com
Figure 6. Over-discharge Protection Mode—Event Diagram
T
UVR
V
CE
VCELL
UVP/OCP
RGO
Over-discharge Protection Mode
Sleep Mode
0V
5V
T
UV
V
UVR
V
UV
Event
0
1
2
3
4
VCC
5
V
SLR
V
CC
V
SS
Cell Charge Prohibited if SWCEN=0
AND V
CELL
< V
CE
Note 1:
If SWEN=0 and V
CELL
< V
CE
, then OVP/LMON stays high and charging is prohibited.
Note 2:
OVP/LMON stays high until the microcontroller writes a “1” to the OVPC bit in the control register. This sets the signal low, which turns on the
charge FET. It cannot be turned on prior to this time.
OVP/LMON
Note 1, 2
V
SS
V
CC
Note 3:
UVP/OCP stays high until the microcontroller writes a “1” to the UVPC bit in the control register. This sets the signal low, which turns on the
discharge FET. The FET cannot be turned on prior to this time.
Note 3
The Longer of TOV+200ms OR TUV+200ms
0.7V
Table 22. Over-discharge Protection Mode—Event Diagram Description
Event
Event Description
[0,1)
—Charge FET is ON (OVP/LMON=V
SS
)
—Discharge FET is ON (UVP/OCP=V
SS
), and hence battery cells are permitted to discharge.
—All cell voltages (VCELL
1
-VCELL
4
) are above the Over-discharge threshold voltage (V
UV
).
—The device is in normal operation mode (i.e. not in a protection mode).
—The voltage of one or more of the battery cells (V
CELL
), falls below V
UV
.
—The internal over-discharge detection delay timer begins counting down.
—The device is still in normal operation mode
The internal over-discharge detection delay timer continues counting for T
UV
seconds.
—The internal over-discharge detection delay timer times out, AND V
CELL
is still below V
UV.
—The internal over-discharge sense circuitry switches the discharge FET OFF (UVP/OCP=Vcc).
—The charge FET is switched OFF (OVP/LMON=V
CC
).
—The device has now entered over-discharge protection mode.
—At the same time, the device enters sleep mode (See section “Voltage Regulator” on page 21).
[1]
(1,2)
[2]
相關(guān)PDF資料
PDF描述
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
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