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參數(shù)資料
| 型號： | AAT3680ITP-4.2-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | Lithium-Ion Linear Battery Charge Controller |
| 中文描述： | 鋰離子線性電池充電控制器 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 265K |
| 代理商： | AAT3680ITP-4.2-T1 |
AAT3680
Lithium-Ion Linear Battery Charge Controller
6
3680.2003.4.0.91
Constant Voltage Charging
When the battery's voltage reaches V
CH
during
constant-current mode, the AAT3680 transitions to
constant-voltage mode. The regulation voltage is
factory programmed: 4.1V and 4.2V (or 8.2V and
8.4V for two-cell applications) are available to sup-
port different anode materials in Lithium Ion cells.
In constant-voltage operation, the AAT3680 moni-
tors the cell voltage and terminates the charging
cycle when the voltage across R
SENSE
decreases to
approximately 10mV.
Charge Cycle Termination, Recharge
Sequence
After the charge cycle is complete, the AAT3680
latches off the pass device and automatically enters
power-saving sleep mode. Either of two possible
conditions will bring the IC out of sleep mode: the
battery voltage at the BAT pin drops below V
RCH
(recharge threshold voltage) or the AAT3680 is reset
by cycling the input supply through the power-on
sequence. Falling below V
RCH
signals the IC that it
is time to initiate a new charge cycle.
Figure 1: AAT3680 Operational Flow Chart
UVLO
Temperature Test
TS > V
TS1
TS < V
TS2
Power On Reset
Preconditioning Test
V
MIN
>V
BAT
Current Phase Test
V
CH
>V
BAT
V
TERM
R
SENSE
<V
RCH
Voltage
Phase Test
V
P
> V
UVLO
Shut Down
Mode
Yes
No
Yes
Yes
Conditioning
(Trickle Charge)
Low Current
Conditioning
Charge
Temperature
Fault
No
No
Current
Charging
Mode
Yes
Voltage
Charging
Mode
< I
BAT
No
Yes
No
Charge Complete
Latch Off
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| AAT3681AIJS-4.1-5-T1 | 功能描述:電池管理 500mA USB Port/Adptr Li-Ion/Ply Batt Chgr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| AAT3681AIJS-4.1-T1 | 功能描述:電池管理 500mA USB Port/Adptr Li-Ion/Ply Batt Chgr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| AAT3681AIJS-4.2-1-T1 | 功能描述:IC BATT CHG LI-ION SC70JW-8 制造商:skyworks solutions inc. 系列:- 包裝:* 零件狀態(tài):上次購買時間 電池化學(xué):鋰離子/聚合物 電池數(shù):1 電流 - 充電:恒流 - 可編程 可編程特性:- 故障保護(hù):超溫，過壓，短路 充電電流 - 最大值:500mA 電池組電壓:4.2V 電壓 -?供電（最高）:7.5V 接口:USB 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:* 供應(yīng)商器件封裝:* 標(biāo)準(zhǔn)包裝:1 |
| AAT3681AIJS-4.2-2-T1 | 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
| AAT3681AIJS-4.2-4-T1 | 功能描述:電池管理 500mA USB Port/Adptr Li-Ion/Ply Batt Chgr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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