參數(shù)資料
型號(hào): LTC4065LEDC#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, 0.75 MM HEIGHT, LEAD FREE, EXPOSED PAD, PLASTIC, MO-229WCCD-2, DFN-6
文件頁(yè)數(shù): 3/16頁(yè)
文件大?。?/td> 168K
代理商: LTC4065LEDC#PBF
11
LTC4065L/LTC4065LX
4065lxfa
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 < 4.1V?
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
4065L 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 < 4.1V
VBAT > 4.1V
YES
NO
POWER
ON
*LTC4065L ONLY; LTC4065LX HAS FULL CHARGE CURRENT.
OPERATIO
U
Figure 2. State Diagram of LTC4065L Operation
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