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MAX20047AFPB/V+ PDF预览

MAX20047AFPB/V+

更新时间： 2024-01-23 04:48:31
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
29页 884K
描述
Power Supply Support Circuit,

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MAX20047AFPB/V+ 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：VQCCN, LCC20,.14X.16,20Reach Compliance Code：unknown
Factory Lead Time：21 weeks风险等级：5.71
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-XQCC-N20长度：5 mm
信道数量：1功能数量：1
端子数量：20最高工作温度：125 °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：LCC20,.14X.16,20
封装形状：RECTANGULAR封装形式：CHIP CARRIER, VERY THIN PROFILE
筛选级别：AEC-Q100座面最大高度：0.65 mm
最大供电电压 (Vsup)：36 V最小供电电压 (Vsup)：3.5 V
标称供电电压 (Vsup)：14 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：3.5 mm
Base Number Matches：1

MAX20047AFPB/V+ 数据手册

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MAX20047  
Dual 3A USB DCP Charger  
General Description  
Benefits and Features  
The MAX20047 is an automotive-grade, low-cost, small-  
footprint dual-port charger IC designed for automotive  
charging applications. It combines a fully synchronous 6A  
step-down buck converter with integrated high-side and low-  
side FETs capable of operating with input voltages from 3.5V  
to 36V and delivering 5.2V output voltage. The IC features  
● Operating V Range of 3.5V to 36V  
IN  
● 40V Load-Dump Protection  
● Synchronous DC-DC Converter with Integrated FETs  
● 93% Charge Efficiency at 3A Charging  
● 0.4MHz to 2.2MHz Programmable Switching  
®
®
®
integrated iPod /iPhone 1.0A and iPad 2.1A dedicated  
charging modes.  
Frequency by External Pin Settings  
● Spread-Spectrum Operation  
● Fixed 8ms Internal Soft-Start  
● 5.20V Output  
The IC delivers up to 3A of charging current with 93%  
efficiency per port through integrated switches with  
programmable current limit and thermal foldback control.  
The buck converter switching frequency is programmable  
from 0.4MHz to 2.2MHz. Short-to-ground protection and  
overcurrent protection are also provided on the protected  
HVBUS outputs to protect the internal BUS power rail from  
an overcurrent fault. The MAX20047 offers short-to-battery  
up to +18V and can also be ordered with spread-spectrum  
operation to reduce EMI.  
● 99% Duty-Cycle Operation with Low Dropout  
● ±2% Output-Voltage Accuracy  
● Input System Overvoltage and Short-Circuit  
Protection  
● Accurate SRC_DMOS Current Limiting with Minimal  
Voltage Drop  
• Low R  
15mΩ Dual USB Power Switches  
ON  
Applications  
• Adjustable SRC_DMOS Current Limit by External  
Pin Settings  
• Integrated Current Sensing  
● USB Dedicated Charging Ports (DCP)  
● Automotive Cigarette Lighter Adapters  
● Power Supply for Linear Chargers  
● Thermal Regulation and Thermal Shutdown  
Ordering Information appears at end of data sheet.  
● Dual Autonomous Battery-Charging Ports with  
Portable Device Detection  
®
• Integrated Apple 2.4A, 2.1A, 1.0A Detection  
®
• Integrated Samsung Detection  
• Integrated DCP Detection  
● Robust for the Automotive Environment  
• Short-to-Battery and Short-to-Ground Protection on  
Protected SRC_DMOS Output  
• Short-to-Battery and Short-to-PV Protection on  
Protected HVDP1, HVDM1, HVDP2, and HVDM2  
Inputs  
• Tested to ISO 10605 and IEC 61000-4-2 ESD  
Standards  
• 20-Pin (5.0mm x 3.5mm) FC2-QFN Package  
• -40°C to +125°C Operating Temperature Range  
• AEC-Q100 Qualified  
iPod, iPhone, iPad, and Apple are registered trademarks of  
Apple Inc.  
Samsung is a registered trademark of Samsung Electronics  
Co., Ltd.  
19-100165; Rev 0; 9/17  
1234567...29

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