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參數(shù)資料
| 型號(hào)： | DS2720CU/T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | MICRO, SOP-8 |
| 文件頁數(shù)： | 19/21頁 |
| 文件大?。?/td> | 264K |
| 代理商： | DS2720CU/T&R |
DS2720
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Figure 3. Li+ PROTECTION CIRCUITRY EXAMPLE WAVEFORMS
Notes:
IOC = Current that produces a voltage drop across FETs equal to VOC threshold.
ISC = Current drawn from the battery during short-circuit event. (Collapses the cell terminal voltage to VSC.)
Above example assumes FET on-resistance values such that the overcurrent threshold, VOC, is reached before the
short-circuit threshold, VSC.
POWER
MODE
VOV
VCE
VUV
VDD
VPLS - VDD
CC
DC
-VOC
0
tSCD
tOCD
tUVD
VOHCP
ACTIVE
VOLCC
VOLDC
SLEEP
tOVD
OVER-
CURRENT OR
SHORT TEST
ACTIVE
INACTIVE
tUVD
VSC
ICELL
CHARGE
DISCHARGE
-ISC
-IOC
0
VCH
tUVD
RECOVERY CHARGED THROUGH
ENABLED
DISABLED
RECOVERY
CHARGE
tON
SHORT-CIRCUIT
EVENT
UNDERVOLTAGE
EVENT
OVERVOLTAGE
EVENT
OVERCURRENT
EVENT
UNDERVOLTAGE
EVENT
SEVERE
DEPLETION
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