參數(shù)資料
型號(hào): AAT2554
廠商: Advanced Analog Technology,lnc.
英文描述: Total Power Solution for Portable Applications
中文描述: 總功率便攜式應(yīng)用解決方案
文件頁(yè)數(shù): 2/33頁(yè)
文件大?。?/td> 877K
代理商: AAT2554
Pin Descriptions
Pin Configuration
TDFN34-16
(Top View)
ENB
VINA
OUTA
EN_BAT
ISET
BAT
FB
GND
3
GND
ENA
GND
ADP
GND
STAT
VINB
LX
4
5
1
2
6
7
8
14
13
12
16
15
11
10
9
Pin #
Symbol
Function
1
FB
Feedback input. This pin must be connected directly to an external resistor divider.
Nominal voltage is 0.6V.
Ground.
Enable pin for the step-down converter. When connected to logic low, the step-down
converter is disabled and consumes less than 1μA of current. When connected to
logic high, the converter resumes normal operation.
Linear regulator input voltage. Connect a 1μF or greater capacitor from this pin to
ground.
Linear regulator output. Connect a 2.2μF capacitor from this pin to ground.
Enable pin for the battery charger. When connected to logic low, the battery charger
is disabled and consumes less than 1μA of current. When connected to logic high, the
charger resumes normal operation.
Charge current set point. Connect a resistor from this pin to ground. Refer to typical
characteristics curves for resistor selection.
Battery charging and sensing.
Charge status input. Open drain status output.
Input for USB/adapter charger.
Enable pin for the linear regulator. When connected to logic low, the regulator is dis-
abled and consumes less than 1μA of current. When connected to logic high, it
resumes normal operation.
Output of the step-down converter. Connect the inductor to this pin. Internally, it is
connected to the drain of both high- and low-side MOSFETs.
Input voltage for the step-down converter.
Exposed paddle (bottom): connect to ground directly beneath the package.
2, 10, 12, 14
3
GND
ENB
4
VINA
5
6
OUTA
EN_BAT
7
ISET
8
9
11
13
BAT
STAT
ADP
ENA
15
LX
16
EP
VINB
AAT2554
Total Power Solution for Portable Applications
2
2554.2007.01.1.2
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相關(guān)代理商/技術(shù)參數(shù)
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