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MAX1772EEI+ PDF预览

MAX1772EEI+

更新时间: 2024-02-10 01:00:57
品牌 Logo 应用领域
美信 - MAXIM 电源电路电池电源管理电路光电二极管信息通信管理
页数 文件大小 规格书
20页 213K
描述
Low-Cost, Multichemistry Battery-Charger Building Block

MAX1772EEI+ 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:SOIC
包装说明:QSOP-28针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:7.44
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER控制模式:CURRENT-MODE
控制技术:CONSTANT OFF TIME最大输入电压:28 V
最小输入电压:8 V标称输入电压:18 V
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:9.91 mm湿度敏感等级: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:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.75 mm表面贴装:YES
切换器配置:BUCK最大切换频率:400 kHz
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3.89 mm

MAX1772EEI+ 数据手册

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19-1772; Rev 4; 2/09  
Low-Cost, Multichemistry Battery-  
Charger Building Block  
MAX172  
General Description  
Features  
The MAX1772 is a highly-integrated, multichemistry  
battery-charger control IC that simplifies the construc-  
tion of accurate and efficient chargers. The MAX1772  
uses analog inputs to control charge current and volt-  
age and can be programmed by the host or hardwired.  
High efficiency is achieved by a buck topology with  
synchronous rectification.  
o Input Current Limiting  
o ±±0.5 ꢀutput ꢁVotꢂge ꢃAAurꢂAc ꢄUing Internꢂo  
ReferenAe (±°C tV +8.°C)  
o PrVgrꢂmmꢂboe Bꢂtterc Chꢂrge Current >4ꢃ  
o ꢃnꢂoVg InputU CVntrVo Chꢂrge Current ꢂnd  
Chꢂrge ꢁVotꢂge  
Maximum current drawn from the AC adapter is pro-  
grammable to avoid overloading the AC adapter when  
supplying the load and the battery charger simultane-  
ously. This enables the user to reduce the cost of the  
AC adapter. The MAX1772 provides outputs that can  
be used to monitor the current drawn from the AC  
adapter, battery-charging current, and the presence of  
an AC adapter.  
o MVnitVr ꢀutputU fVr:  
Current Drꢂwn frVm ꢃC Input SVurAe  
Chꢂrging Current  
ꢃC ꢃdꢂpter PreUent  
o ꢄp tV 1802ꢁ (mꢂx) Bꢂtterc ꢁVotꢂge  
o 8ꢁ tV 28ꢁ Input ꢁVotꢂge  
o > 9.5 EffiAienAc  
The MAX1772 can charge two to four lithium-ion (Li+)  
series cells, easily providing 4A. When charging, the  
MAX1772 automatically transitions from regulating cur-  
rent to regulating voltage. It is available in a space-sav-  
ing 28-pin QSOP package.  
o 990995 (mꢂx) Dutc CcAoe fVr LVw-DrVpVut  
ꢀperꢂtiVn  
o ChꢂrgeU ꢃnc Bꢂtterc ChemiUtrc: Li+, NiCd, NiMH,  
Applications  
Notebook and Subnotebook Computers  
Personal Digital Assistants  
Leꢂd ꢃAid, etA0  
Handheld Terminals  
Ordering Information  
Pin Configuration  
PꢃRT  
TEMP RꢃNGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PꢃCKꢃGE  
TOP VIEW  
MAX1772EEI  
MAX1772EEI+  
28 QSOP  
DCIN  
LDO  
CLS  
REF  
1
2
3
4
5
6
7
8
9
28 IINP  
27 CSSP  
26 CSSN  
25 BST  
28 QSOP  
+Denotes lead(Pb)-free/RoHS-compliant package.  
CCS  
CCI  
24 DHI  
MAX1772  
23 LX  
CCV  
GND  
GND  
22 DLOV  
21 DLO  
20 PGND  
19 CSIP  
18 CSIN  
17 BATT  
16 CELLS  
15 VCTL  
ICHG 10  
ACIN 11  
ACOK 12  
REFIN 13  
ICTL 14  
QSꢀP  
________________________________________________________________ Mꢂxim Integrꢂted PrVduAtU  
1
FVr priAing, deoiverc, ꢂnd Vrdering infVrmꢂtiVn, poeꢂUe AVntꢂAt Mꢂxim DireAt ꢂt 1-888-629-4642,  
Vr viUit Mꢂxim’U webUite ꢂt www0mꢂxim-iA0AVm0  

MAX1772EEI+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX1772EEI MAXIM

完全替代

Low-Cost, Multichemistry Battery- Charger Building Block

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