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| 型号： | MAX1811ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER USB LI+ 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 4.35 V ~ 6.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
AVAILAB
LE
MAX1811
USB-Powered Li+ Charger
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
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)
Ordering Information
PDAs and Palmtops
Digital Still Cameras
PART
MAX1811ESA
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
8 SO
Functional Diagrams
MP3 Players
Cell Phones
Two-Way Pagers
Hand-Held Computers
Typical Operating Circuit
Pin Configuration
4.35V TO 6.5V
4.2V
IN
BATT
TO LOAD
SINGLE
Li+
CELL
TOP VIEW
SELV
1
8
CHG
4.1V
SELV
ON
MAX1811
LED
TO IN
SELI
2
MAX1811
7
EN
OFF
EN
GND
3
6
GND
100mA
500mA
SELI
CHG
GND
CHG
LOGIC OUT
IN 4
5
BATT
SO
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim integrated .com.
19-2024; Rev 2; 6/03
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相关代理商/技术参数 |
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|---|---|
| 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 |
| MAX1812EUB+T | 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-T | 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 |
| MAX1813EEI | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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