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參數(shù)資料
| 型號(hào)： | AAT2557 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 500mA Battery Charger and 300mA LDO Regulator for Portable Systems |
| 中文描述： | 500mA電池充電器和300mA LDO穩(wěn)壓器的便攜式系統(tǒng) |
| 文件頁數(shù)： | 1/22頁 |
| 文件大小： | 383K |
| 代理商： | AAT2557 |
General Description
The AAT2557 is a fully integrated 500mA battery
charger and a 300mA low dropout (LDO) linear
regulator. The input voltage range is 4V to 6.5V for
the battery charger and 2.7V to 5.5V for the linear
regulator, making it ideal for applications operating
with single-cell lithium-ion/polymer batteries.
The battery charger is a complete constant cur-
rent/constant voltage linear charger. It offers an
integrated pass device, reverse blocking protec-
tion, high accuracy current and voltage regulation,
charge status, and charge termination. The charg-
ing current is programmable via external resistor
from 15mA to 500mA. In addition to these stan-
dard features, the device offers over-voltage, cur-
rent limit, and thermal protection.
The linear regulator is designed for fast transient
response and good power supply ripple rejection.
Capable of up to 300mA load current, it includes
short-circuit protection and thermal shutdown.
The AAT2557 is available in a Pb-free, thermally-
enhanced TSOPJW-14 package and is rated over
the -40°C to +85°C temperature range.
Features
Battery Charger:
— Input Voltage Range: 4V to 6.5V
— Programmable Charging Current up to
500mA
— Highly Integrated Battery Charger
Charging Device
Reverse Blocking Diode
Linear Regulator:
— 300mA Output Current
— Low Dropout: 400mV at 300mA
— Fast Line and Load Transient Response
— High Accuracy: ±1.5%
— 70μA Quiescent Current
Short-Circuit, Over-Temperature, and Current
Limit Protection
TSOPJW-14 Package
-40°C to +85°C Temperature Range
Applications
Bluetooth
Headsets
Cellular and DECT Phones
Handheld Instruments
MP3 and Portable Music Players
PDAs and Handheld Computers
Portable Media Players
Typical Application
BATT-
ADP
GND
BAT
ISET
INLDO
BATT+
AAT2557
ENLDO
Adapter/USB Input
STAT
EN_BAT
Charger Enable
LDO Enable
R
SET
C
Battery
Pack
BAT
S
OUTLDO
BYP
C
OUTLDO
C
BYP
V
OUTLDO
C
INLDO
SystemPower
2557.2007.06.1.0
1
AAT2557
500mA Battery Charger and 300mA
LDO Regulator for Portable Systems
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT2557ITO-CT-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:500mA Battery Charger and 300mA LDO Regulator for Portable Systems |
| AAT2557ITO-CW-T1 | 功能描述:電池管理 500 mA Battery Chrg 300 mA LDO Reg 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 |
| AAT2601 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Total Power Solution for Portable Applications |
| AAT2601AIIH-3.3-T1 | 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
| AAT2601AIIH-T1 | 功能描述:電池管理 Total Power Solution for Portable App 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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