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MAX846A

更新时间： 2024-01-23 07:53:07
品牌 Logo 应用领域
美信 - MAXIM 电池
页数 文件大小 规格书
12页 108K
描述
Cost-Saving Multichemistry Battery-Charger System

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中文翻译

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MAX846A 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：0.150 INCH, 0.025 INCH PITCH, QSOP-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.13
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G16JESD-609代码：e0
长度：4.89 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：16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封装等效代码：SSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：245电源：10 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Power Management Circuits最大供电电流 (Isup)：5 mA
最大供电电压 (Vsup)：20 V最小供电电压 (Vsup)：3.7 V
标称供电电压 (Vsup)：10 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX846A 数据手册

 浏览型号MAX846A的Datasheet PDF文件第2页浏览型号MAX846A的Datasheet PDF文件第3页浏览型号MAX846A的Datasheet PDF文件第4页浏览型号MAX846A的Datasheet PDF文件第5页浏览型号MAX846A的Datasheet PDF文件第6页浏览型号MAX846A的Datasheet PDF文件第7页 
19-1121; Rev 0; 9/96  
Co s t -S a vin g Mu lt ic h e m is t ry  
Ba t t e ry-Ch a rg e r S ys t e m  
MX846A  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ Multichemistry Charger System (Li-Ion, NiMH, NiCd)  
♦ Independent Voltage and Current Loops  
♦ ±0.5% Internal Reference for Li-Ion Cells  
♦ Lowers Cost:  
The MAX846A is a cost-saving multichemistry battery-  
charger system that comes in a space-saving 16-pin  
QSOP. This integrated system allows different battery  
chemistries (Li-Ion, NiMH or NiCd cells) to be charged  
using one circuit.  
—Stands Alone or Uses Low-Cost µC  
—Built-In 1% Linear Regulator Powers µC  
—Linear Regulator Provides Reference to µC ADCs  
—Built-In µC Reset  
In its simplest application, the MAX846A is a stand-  
alone, current-limited float voltage source that charges  
Li-Ion cells. It can also be paired up with a low-cost  
microcontroller (µC) to build a universal charger capa-  
ble of charging Li-Ion, NiMH, and NiCd cells.  
—Controls Low-Cost External PNP Transistor or  
P-Channel MOSFET  
An internal 0.5%-accurate reference allows safe charg-  
ing of Li-Ion cells that require tight voltage accuracy.  
The voltage- and current-regulation loops used to con-  
trol a low-cost external PNP transistor (or P-channel  
MOSFET) are independent of each other, allowing more  
flexibility in the charging algorithms.  
♦ Space-Saving 16-Pin QSOP  
♦ Charging-Current-Monitor Output  
♦ <1µA Battery Drain when Off  
The MAX846A has a built-in 1%, 3.3V, 20mA linear regu-  
lator capable of powering the µC and providing a refer-  
e nc e for the µC’s a na log -to-d ig ita l c onve rte rs . An  
on-board reset notifies the controller upon any unex-  
pected loss of power. The µC can be inexpensive, since  
its only functions are to monitor the voltage and current  
and to change the charging algorithms.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
Dice*  
MAX846AC/D  
MAX846AEEE  
-40°C to +85°C  
16 QSOP  
________________________Ap p lic a t io n s  
*Dice are tested at T = +25°C only. Contact factory for details.  
A
Li-Ion Battery Packs  
Desktop Cradle Chargers  
Li-Ion/NiMH/NiCd Multichemistry Battery  
Chargers  
__________Typ ic a l Op e ra t in g Circ u it  
Cellular Phones  
3.5V  
TO  
20V  
Notebook Computers  
Hand-Held Instruments  
__________________P in Co n fig u ra t io n  
DRV  
TOP VIEW  
CS-  
BATT  
VL  
Li-ION  
BATTERY  
DCIN  
VL  
1
2
3
4
5
6
7
8
16 DRV  
PGND  
CS+  
DCIN  
15  
CCI  
14 CS-  
13 CS+  
MAX846A  
ISET  
GND  
CCV  
VSET  
ISET  
OFFV  
MAX846A  
CELL2  
12  
BATT  
11 ON  
CCV  
CCI  
GND  
10  
9
CELL2  
PGND  
PWROK  
ON  
PWROK  
QSOP  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  
1234567...12

中文翻译

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