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MAX8903DETI+

更新时间： 2024-11-26 21:16:23
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理
页数 文件大小 规格书
30页 1464K
描述
Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 4 X 4 MM, ROHS COMPLIANT, TQFN-28

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MAX8903DETI+ 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：QFN
包装说明：HVQCCN, LCC28,.16SQ,16针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：19 weeks
风险等级：1.38可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-XQCC-N28
JESD-609代码：e3长度：4 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：HVQCCN
封装等效代码：LCC28,.16SQ,16封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 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)：4 mA最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：4.15 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.4 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

MAX8903DETI+ 数据手册

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EVALUATION KIT AVAILABLE  
MAX8903A–E/G/H/J/N/Y  
2A 1-Cell Li+ DC-DC Chargers  
for USB and Adapter Power  
General Description  
Features  
o Efficient DC-DC Converter Eliminates Heat  
The MAX8903A–MAX8903E/MAX8903G/MAX8903H/  
MAX8903J/MAX8903N/MAX8903Y are integrated 1-cell  
Li+ chargers and Smart Power Selectors™ with dual  
(AC adapter and USB) power inputs. The switch mode  
charger uses a high switching frequency to eliminate  
heat and allow tiny external components. It can operate  
with either separate inputs for USB and AC adapter  
power, or from a single input that accepts both. All  
power switches for charging and switching the load  
between battery and external power are included on-  
chip. No external MOSFETs, blocking diodes, or cur-  
rent-sense resistors are required.  
o 4MHz Switching for Tiny External Components  
o Instant On—Works with No/Low Battery  
o Dual Current-Limiting Inputs—AC Adapter or USB  
Automatic Adapter/USB/Battery Switchover to  
Support Load Transients  
50mΩ System-to-Battery Switch  
Supports USB Spec  
o Thermistor Monitor  
o Integrated Current-Sense Resistor  
o No External MOSFETs or Diodes  
o 4.1V to 16V Input Operating Voltage Range  
The MAX8903_ features optimized smart power control  
to make the best use of limited USB or adapter power.  
Battery charge current and SYS output current limit are  
independently set. Power not used by the system  
charges the battery. Charge current and SYS output cur-  
rent limit can be set up to 2A while USB input current can  
be set to 100mA or 500mA. Automatic input selection  
switches the system from battery to external power. The  
DC input operates from 4.15V to 16V with up to 20V pro-  
tection, while the USB input has a range of 4.1V to 6.3V  
with up to 8V protection.  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
28 Thin QFN-EP*  
MAX8903AETI+T  
MAX8903BETI+T  
MAX8903CETI+T  
MAX8903DETI+T  
MAX8903EETI+T  
MAX8903GETI+T  
MAX8903HETI+T  
MAX8903JETI+T  
MAX8903NETI+T  
MAX8903YETI+T  
The MAX8903_ internally blocks current from the bat-  
tery and system back to the DC and USB inputs when  
no input supply is present. Other features include pre-  
qual charging and timer, fast charge timer, overvoltage  
protection, charge status and fault outputs, power-OK  
monitors, and a battery thermistor monitor. In addition,  
on-chip thermal limiting reduces battery charge rate  
and AC adapter current to prevent charger overheat-  
ing. The MAX8903_ is available in a 4mm x 4mm, 28-pin  
thin QFN package.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
T = Tape and reel.  
Typical Operating Circuit  
The various versions of the MAX8903_ allow for design  
flexibility to choose key parameters such as system  
regulation voltage, battery prequalification threshold,  
and battery regulation voltage. The MAX8903B/  
MAX8903E/MAX8903G also includes power-enable on  
battery detection. See the Selector Guide section for  
AC  
ADAPTER  
OR USB  
LX  
CS  
DC  
SYS  
LOAD  
CURRENT  
CHARGE  
CURRENT  
complete details.  
CHARGE  
AND  
SYS LOAD  
SWITCH  
Applications  
SYSTEM  
LOAD  
PDAs, Palmtops, and  
Wireless Handhelds  
Portable Multimedia  
Players  
PWM  
STEP-DOWN  
Personal Navigation  
Devices  
Smart Cell Phones  
Mobile Internet Devices  
Ultra Mobile PCs  
BAT  
BATTERY  
USB  
USB  
Selector Guide appears at end of data sheet.  
MAX8903_  
GND  
Visit www.maximintegrated.com/products/patents for  
product patent marking information.  
Smart Power Selector is a trademark of Maxim Integrated  
Products, Inc.  
Pin Configuration appears at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-4410; Rev 5; 9/11  
1234567...30

中文翻译

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MAX8903DETI+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX8903DETI+T MAXIM

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MAX8903CETI+T MAXIM

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