參數(shù)資料
型號: DS2720CU
英文描述: Efficient, Addressable Single-Cell Rechargeable Lithium Protection IC
中文描述: 高效,尋址單節(jié)可充電鋰電池保護(hù)IC
文件頁數(shù): 7/21頁
文件大小: 252K
代理商: DS2720CU
DS2720
7 of 21
Figure 3.
Li+ PROTECTION CIRCUITRY EXAMPLE WAVEFORMS
Notes:
I
OC
= Current that produces a voltage drop across FETs equal to V
OC
threshold.
I
SC
= Current drawn from the battery during short-circuit event. (Collapses the cell terminal voltage to V
SC
.)
Above example assumes FET on-resistance values such that the overcurrent threshold, V
OC
, is reached before the
short-circuit threshold, V
SC
.
POWER
MODE
V
OV
V
CE
V
UV
V
SC
V
DD
V
PLS
- V
DD
CC
DC
-V
OC
0
t
SCD
t
OCD
t
UVD
V
OHCP
V
OHCP
ACTIVE
V
OLCC
V
OLDC
SLEEP
t
OVD
OVER-
CURRENT OR
SHORT TEST
ACTIVE
INACTIVE
t
UVD
I
CELL
CHARGE
DISCHARGE
-I
SC
-I
OC
0
V
CH
t
UVD
t
UVD
RECOVERY CHARGED THROUGH
ENABLED
DISABLED
RECOVERY
CHARGE
t
ON
t
ON
t
ON
SHORT-CIRCUIT
EVENT
UNDERVOLTAGE
EVENT
OVERVOLTAGE
EVENT
OVERCURRENT
EVENT
UNDERVOLTAGE
EVENT
SEVERE
DEPLETION
相關(guān)PDF資料
PDF描述
DS2722-F-03 900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet
DS2722-F-04 900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet
DS2722-F-05 900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet
DS2740 High-Precision Coulomb Counter
DS2740B High-Precision Coulomb Counter
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