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MAX1908ETI-T PDF预览

MAX1908ETI-T

更新时间: 2024-11-27 13:10:27
品牌 Logo 应用领域
美信 - MAXIM 电池
页数 文件大小 规格书
27页 863K
描述
Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-1, TQFN-28

MAX1908ETI-T 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFN
包装说明:VQCCN, LCC28,.2SQ,20针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:S-XQCC-N28JESD-609代码:e0
长度:5 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:VQCCN封装等效代码:LCC28,.2SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, VERY THIN PROFILE
峰值回流温度(摄氏度):240电源:18 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Power Management Circuits最大供电电流 (Isup):6 mA
最大供电电压 (Vsup):28 V最小供电电压 (Vsup):8 V
标称供电电压 (Vsup):18 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:20宽度:5 mm
Base Number Matches:1

MAX1908ETI-T 数据手册

 浏览型号MAX1908ETI-T的Datasheet PDF文件第2页浏览型号MAX1908ETI-T的Datasheet PDF文件第3页浏览型号MAX1908ETI-T的Datasheet PDF文件第4页浏览型号MAX1908ETI-T的Datasheet PDF文件第5页浏览型号MAX1908ETI-T的Datasheet PDF文件第6页浏览型号MAX1908ETI-T的Datasheet PDF文件第7页 
19-2764; Rev 2; 7/04  
Low-Cost Multichemistry Battery Chargers  
General Description  
Features  
The MAX1908/MAX8724 highly integrated, multichemistry  
battery-charger control ICs simplify the construction of  
accurate and efficient chargers. These devices use ana-  
log inputs to control charge current and voltage, and can  
be programmed by the host or hardwired. The MAX1908/  
MAX8724 achieve high efficiency using a buck topology  
with synchronous rectification.  
±±0.5% OutOu%ꢀVouꢁag%ꢂAAOꢃꢁAc%ꢄUsia%ꢅiugꢃiꢁo  
RgfgꢃgiAg%(±°C%uV%+8.°C)  
±ꢆ5%ꢂAAOꢃꢁug%ꢅitOu%COꢃꢃgiu%ꢇsꢈsusia  
±.5%ꢂAAOꢃꢁug%Cꢉꢁꢃag%COꢃꢃgiu  
ꢂiꢁoVa%ꢅitOuU%CViuꢃVo%Cꢉꢁꢃag%COꢃꢃgiu%ꢁid  
Cꢉꢁꢃag%ꢀVouꢁag  
The MAX1908/MAX8724 feature input current limiting.  
This feature reduces battery charge current when the  
input current limit is reached to avoid overloading the AC  
adapter when supplying the load and the battery charger  
simultaneously. The MAX1908/MAX8724 provide outputs  
to monitor current drawn from the AC adapter (DC input  
source), battery-charging current, and the presence of  
an AC adapter. The MAX1908’s conditioning charge fea-  
ture provides 300mA to safely charge deeply discharged  
lithium-ion (Li+) battery packs.  
 OutOuU%fVꢃ%MVisuVꢃsia  
COꢃꢃgiu%Dꢃꢁwi%fꢃVꢈ%ꢂC%ꢂdꢁtugꢃ  
Cꢉꢁꢃasia%COꢃꢃgiu  
ꢂC%ꢂdꢁtugꢃ%PꢃgUgiAg  
ꢄt%uV%1706ꢀ%Bꢁuugꢃc-ꢀVouꢁag%Sgu%PVsiu  
MꢁxsꢈOꢈ%28ꢀ%ꢅitOu%ꢀVouꢁag  
>9.5%EffsAsgiAc  
The MAX1908 includes a conditioning charge feature  
while the MAX8724 does not.  
SꢉOudVwi%CViuꢃVo%ꢅitOu  
CꢉꢁꢃagU%ꢂic%Bꢁuugꢃc%CꢉgꢈsUuꢃc  
The MAX1908/MAX8724 charge two to four series Li+  
cells, providing more than 5A, and are available in a  
space-saving 28-pin thin QFN package (5mm × 5mm).  
An evaluation kit is available to speed designs.  
ꢇs+,%NsCd,%NsMH,%ꢇgꢁd%ꢂAsd,%guA0  
Applications  
Ordering Information  
Notebook and Subnotebook Computers  
PꢂRT  
MꢂX19±8ETI  
MꢂX872ꢆETI  
TEMP%RꢂNGE  
-40°C to +85°C  
-40°C to +85°C  
PꢅN-PꢂCKꢂGE  
28 Thin QFN  
28 Thin QFN  
Personal Digital Assistants  
Hand-Held Terminals  
Minimum Operating Circuit  
AC ADAPTER  
INPUT  
TO EXTERNAL  
LOAD  
0.01Ω  
Pin Configuration  
CSSP  
DCIN  
CSSN  
CELLS  
TOP VIEW  
LDO  
REFIN  
VCTL  
ICTL  
ACIN  
ACOK  
SHDN  
ICHG  
IINP  
28 27 26 25 24 23 22  
BST  
LDO  
DLOV  
DCIN  
LDO  
CLS  
REF  
1
2
3
4
5
6
7
21 DLO  
20 PGND  
19 CSIP  
18 CSIN  
17 CELLS  
16 BATT  
15 VCTL  
MAX1908  
MAX8724  
DHI  
LX  
FROM HOST µP  
MAX1908  
MAX8724  
DLO  
PGND  
10µH  
CCS  
CCI  
CSIP  
CCV  
CCV  
CCI  
0.015Ω  
CSIN  
BATT  
CCS  
BATT+  
8
9
10 11 12 13 14  
REF  
CLS  
GND  
THꢅN%QFN  
________________________________________________________________ Maxim Integrated Products  
1
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.  

MAX1908ETI-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1908ETI+T MAXIM

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MAX1908ETI MAXIM

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Low-Cost Multichemistry Battery Chargers

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