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MAX1737EEI+T PDF预览

MAX1737EEI+T

更新时间: 2024-09-28 13:10:23
品牌 Logo 应用领域
美信 - MAXIM 电池开关控制器
页数 文件大小 规格书
18页 235K
描述
Battery Charge Controller, PDSO28, 0.150 INCH, 0.025 INCH PITCH, MO137AF, QSOP-28

MAX1737EEI+T 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOIC
包装说明:SSOP,针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01Factory Lead Time:6 weeks
风险等级:0.79Is Samacsys:N
模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:28 V
最小输入电压:6 V标称输入电压:18 V
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:9.9 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):260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:PUSH-PULL最大切换频率:340 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
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:30
宽度:3.9116 mmBase Number Matches:1

MAX1737EEI+T 数据手册

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19-1626; Rev 1; 7/00  
Stand-Alone Switch-Mode  
Lithium-Ion Battery-Charger Controller  
General Description  
Features  
Stand-Alone Charger for Up to Four Li+ Cells  
The MAX1737 is a switch-mode lithium-ion (Li+) battery  
charger that charges one to four cells. It provides a  
regulated charging current and a regulated voltage  
with only a ±±.ꢀ8 total voltage error at the battery ter-  
minals. The external N-channel switch and synchronous  
rectifier provide high efficiency over a wide input volt-  
age range. A built-in safety timer automatically termi-  
nates charging once the adjustable time limit has been  
reached.  
±±0.8 Aꢀꢀurate ꢁatterꢂ ꢃegulation ꢄoltage  
Low Dropout: 9.8 Dutꢂ Cꢂꢀle  
Safelꢂ Preꢀharges Near-Dead Cells  
Continuous ꢄoltage and Temperature Monitoring  
<1µA Shutdown ꢁatterꢂ Current  
Input ꢄoltage Up to +2.ꢄ  
The MAX1737 regulates the voltage set point and charg-  
ing current using two loops that work together to transi-  
tion smoothly between voltage and current regulation. An  
additional control loop monitors the total current drawn  
from the input source to prevent overload of the input  
supply, allowing the use of a low-cost wall adapter.  
Safetꢂ Timer Prevents Overꢀharging  
Input Current Limiting  
Spaꢀe-Saving 2.-Pin QSOP  
3±±kHz PWM Osꢀillator ꢃeduꢀes Noise  
9±8 Conversion Effiꢀienꢀꢂ  
The per-cell battery voltage regulation limit is set  
between +4.±V and +4.4V and can be set from one to  
four by pin strapping. Battery temperature is monitored  
by an external thermistor to prevent charging if the bat-  
tery temperature is outside the acceptable range.  
Ordering Information  
PAꢃT  
TEMP0 ꢃANGE  
PIN-PACKAGE  
MAX1737EEI  
-4±°C to +ꢀ5°C  
2ꢀ QSOP  
The MAX1737 is available in a space-saving 2ꢀ-pin  
QSOP package. Use the evaluation kit (MAX1737EVKIT)  
to help reduce design time.  
Typical Operating Circuit  
Applications  
INPUT SUPPLY  
Notebook Computers  
Hand-Held Instruments  
Li+ Battery Packs  
CSSP  
CSSN  
DCIN  
Desktop Cradle Chargers  
SYSTEM  
LOAD  
VL  
DHI  
Pin Configuration  
MAX1737  
LX  
BST  
VLO  
REF  
TOP VIEW  
ISETIN  
VL  
ISETIN  
ISETOUT  
THM  
1
2
3
4
5
6
7
8
9
28 DCIN  
27 CSSP  
26 CSSN  
25 DHI  
ISETOUT  
CELL  
VADJ  
DLO  
PGND  
CS  
REF  
24 LX  
MAX1737  
GND  
23 BST  
R
S
BATT  
22 VLO  
CCS  
VADJ  
CCV  
21 DLO  
BATT  
Li+  
20 PGND  
19 CS  
BATTERY  
1 TO 4  
CELLS  
CCV  
CCI  
THM  
CCS 10  
CCI 11  
FASTCHG  
18 SHDN  
17 FULLCHG  
16 FASTCHG  
15 FAULT  
TIMER1  
TIMER2  
FULLCHG  
FAULT  
CELL 12  
TIMER1 13  
TIMER2 14  
ON  
SHDN  
OFF  
GND  
QSOP  
________________________________________________________________ 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.  

MAX1737EEI+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1737EEI-T MAXIM

完全替代

Battery Charge Controller, PDSO28, 0.150 INCH, 0.025 INCH PITCH, MO-137AF, QSOP-28
MAX1737EEI+ MAXIM

完全替代

Battery Charge Controller, PDSO28, QSOP-28
MAX1737EEI MAXIM

完全替代

Stand-Alone Switch-Mode Lithium-Ion Battery-Charger Controller

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