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参数资料
| 型号： | LTC4065EDC#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 12/16页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATT LI-ON 6-DFN |
| 标准包装： | 500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 3.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 供应商设备封装： | 6-DFN-EP（2x2） |
| 包装： | 带卷 (TR) |
| 其它名称： | LTC4065EDC-ND |
LTC4065/LTC4065A
OPERATIO
ENABLE
UVLO
UVLO MODE
POWER
ON
IS EN > SHUTDOWN
THRESHOLD?
NO
IF V CC > 3.6V AND
V CC > V BAT + 80mV?
NO
CHRG HIGH IMPEDANCE
YES
SHUTDOWN MODE
CHRG HIGH IMPEDANCE
YES
V BAT ≤ 2.9V
TRICKLE CHARGE MODE
1/10 FULL CHARGE CURRENT
CHRG STRONG PULL-DOWN
2.9V < V BAT < 4.1V
FAST CHARGE MODE
FULL CHARGE CURRENT
CHRG STRONG PULL-DOWN
V BAT > 4.1V
STANDBY MODE
NO CHARGE CURRENT
CHRG HIGH IMPEDANCE
1/4 CHARGE CYCLE
NO
CHARGE CYCLE
NO
(1.125 HOURS)
DEFECTIVE BATTERY
IS V BAT < 2.9V?
YES
BAD BATTERY MODE
NO CHARGE CURRENT
CHRG PULSES (2Hz)
V CC < 3V
OR
EN > SHDN
THRESHOLD
(4.5 HOURS)
RECHARGE
IS V BAT < 4.1V?
YES
RECHARGE MODE
FULL CHARGE CURRENT
CHRG STRONG PULL-DOWN
1/2 CHARGE CYCLE
(2.25 HOURS)
4065 F02
Figure 2. State Diagram of LTC4065 Operation
Transconductance amplifier, TA, limits the die tempera-
ture to approximately 115 ° C when in constant-tempera-
ture mode. Diode D3 ensures that TA does not affect the
charge current when the die temperature is below approxi-
mately 115 ° C. The PROG pin voltage continues to give an
indication of the charge current.
In typical operation, the charge cycle begins in constant-
current mode with the current delivered to the battery
equal to 1000V/R PROG . If the power dissipation of the
LTC4065/LTC4065A results in the junction temperature
approaching 115 ° C, the amplifier (TA) will begin decreas-
ing the charge current to limit the die temperature to
approximately 115 ° C. As the battery voltage rises, the
LTC4065/LTC4065A either return to constant-current mode
or enter constant-voltage mode straight from constant-
temperature mode. Regardless of mode, the voltage at
the PROG pin is proportional to the current delivered to
the battery.
4065fb
12
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相关代理商/技术参数 |
参数描述 |
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| LTC4065L | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Standalone 250mA Li-Ion Battery Charger in 2 × 2 DFN |
| LTC4065L_12 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Standalone 250mA Li-Ion Battery Charger in 2 × 2 DFN |
| LTC4065LEDC#TRM | 制造商:Linear Technology 功能描述:BATT CHARGER LI ON 250MA 6DFN |
| LTC4065LEDC#TRMPBF | 功能描述:IC CHARGER LI-ION 6-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
| LTC4065LEDC#TRPBF | 功能描述:IC CHARGER LI-ION 6-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:4.35 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
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