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参数资料
| 型号： | MAX1811ESA |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Replaced by TMS320C6727B : |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 0.150 INCH, MA-012, SOIC-8 |
| 文件页数： | 1/8页 |
| 文件大小： | 167K |
| 代理商： | MAX1811ESA |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1811ESA+ | 功能描述:电池管理 USB-Powered Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1811ESA+T | 功能描述:电池管理 USB-Powered Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1811ESA-T | 功能描述:电池管理 USB-Powered Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1812EUB | 功能描述:电源开关 IC - USB Dual USB Switch w/Fault Blanking RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MAX1812EUB+ | 功能描述:电源开关 IC - USB Dual USB Switch w/Fault Blanking RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
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