參數(shù)資料
型號: LTC4065EDC-4.4#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: 2 X 2 MM, LEAD FREE, PLASTIC, MO-229WCCD-2, DFN-6
文件頁數(shù): 3/16頁
文件大?。?/td> 178K
代理商: LTC4065EDC-4.4#PBF
11
LTC4065-4.4
406544f
OPERATIO
U
IS EN > SHUTDOWN
THRESHOLD?
ENABLE
CHRG HIGH IMPEDANCE
SHUTDOWN MODE
IF VCC > 3.6V AND
VCC > VBAT + 80mV?
UVLO
UVLO MODE
1/10 FULL CHARGE CURRENT
CHRG STRONG PULL-DOWN
TRICKLE CHARGE MODE
FULL CHARGE CURRENT
CHRG STRONG PULL-DOWN
FAST CHARGE MODE
IS VBAT < 2.9V?
DEFECTIVE BATTERY
IS VBAT < 4.3V?
RECHARGE
NO CHARGE CURRENT
CHRG PULSES (2Hz)
BAD BATTERY MODE
FULL CHARGE CURRENT
CHRG STRONG PULL-DOWN
RECHARGE MODE
NO CHARGE CURRENT
CHRG HIGH IMPEDANCE
STANDBY MODE
CHRG HIGH IMPEDANCE
NO
YES
NO
4065 F02
VBAT ≤ 2.9V
1/4 CHARGE CYCLE
(1.125 HOURS)
VCC < 3V
OR
EN > SHDN
THRESHOLD
CHARGE CYCLE
(4.5 HOURS)
1/2 CHARGE CYCLE
(2.25 HOURS)
2.9V < VBAT < 4.3V
VBAT > 4.3V
YES
NO
POWER
ON
Figure 2. State Diagram of LTC4065-4.4 Operation
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