參數(shù)資料
型號(hào)： MAX1811
廠商： Maxim Integrated Products, Inc.
英文描述： USB-Powered Li+ Charger
中文描述： USB供電、Li+充電器
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 167K
代理商： MAX1811
General Description
The MAX1811 is a single-cell lithium-ion (Li+) battery
charger that can be powered directly from a USB port*
or from an external supply up to 6.5V. It has a 0.5%
overall battery regulation voltage accuracy to allow
maximum utilization of the battery capacity.
The charger uses an internal FET to deliver up to
500mA charging current to the battery. The device can
be configured for either a 4.1V or 4.2V battery, using
the SELV input. The SELI input sets the charge current
to either 100mA or 500mA. An open-drain output (
CHG
)
indicates charge status.
The MAX1811 has preconditioning that soft-starts a
near-dead battery cell before charging. Other safety
features include continuous monitoring of voltage and
current and initial checking for fault conditions before
charging.
The MAX1811 is available in a small 1.4W thermally
enhanced 8-pin SO package.
________________________Applications
PDAs and Palmtops
Digital Still Cameras
MP3 Players
Cell Phones
Two-Way Pagers
Hand-Held Computers
Features
o
Charges Single-Cell Li+ Batteries Directly from
USB Port
o
0.5% Overall Charging Accuracy
o
Minimal External Components
o
Input Diode Not Required
o
Automatic IC Thermal Regulation
o
Preconditions Near-Depleted Cells
o
Convenient Power SO-8 Package (1.4W)
o
Protected by U.S. Patent # 6,507,172
M
USB-Powered Li+ Charger
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
GND
BATT
IN
1
2
8
7
CHG
EN
SELI
GND
SELV
SO
TOP VIEW
3
4
6
5
MAX1811
Pin Configuration
MAX1811
SELI
EN
SELV
IN
4.35V TO 6.5V
4.2V
4.1V
ON
OFF
100mA
500mA
BATT
GND
CHG
TO IN
TO LOAD
SINGLE
Li+
CELL
CHG
LOGIC OUT
LED
Typical Operating Circuit
19-2024; Rev 2; 6/03
Ordering Information
8 SO
PIN-PACKAGE
TEMP RANGE
-40°C to +85°C
MAX1811ESA
PART
*
Protected by U.S. Patent # 6,507,172
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1811ESA 功能描述:電池管理 USB-Powered Li+ Charger 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
MAX1811ESA+ 功能描述:電池管理 USB-Powered Li+ Charger 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
MAX1811ESA+T 功能描述:電池管理 USB-Powered Li+ Charger 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
MAX1811ESA-T 功能描述:電池管理 USB-Powered Li+ Charger 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
MAX1812EUB 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blanking RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube
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