參數(shù)資料
型號(hào): AAT3697
廠商: Advanced Analog Technology,lnc.
英文描述: 2A Lithium-Ion/Polymer Battery Charger
中文描述: 第2A鋰離子電池充電器
文件頁數(shù): 11/22頁
文件大小: 1269K
代理商: AAT3697
AAT3697
2A Lithium-Ion/Polymer Battery Charger
3697.2007.02.1.1
11
System Operation Flow Chart
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
Set
Enable
Timing
Expire
TERM
BAT_EOC
Yes
ADP
Application Information
Adapter Power Input
Constant current charge levels up to 2.0A may be
programmed by the user when powered from a suf-
ficient input power source. The AAT3697 will oper-
ate from the adapter input over a 4.0V to 5.5V
range.
The constant current fast charge current for the
adapter input is set by the R
SET
resistor connected
between the ADPSET pin and ground. Refer to
Table 1 for recommended R
SET
values for a desired
constant current charge level. The presence of volt-
age on the adapter input is indicated by the ADPP#
pin function. This indicator pin uses an internal open
drain device that will pull the ADPP# pin low when
voltage is detected on the ADP pin. The precise
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