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MAX8688BHETG+T

更新时间： 2024-10-31 13:02:19
品牌 Logo 应用领域
美信 - MAXIM 监控控制器
页数 文件大小 规格书
38页 458K
描述
Power Supply Management Circuit, Adjustable, 1 Channel, 4 X 4 MM, LEAD FREE, TQFN-28

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MAX8688BHETG+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：QFN
包装说明：VQCCN, LCC24,.16SQ,20针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：22 weeks
风险等级：0.8可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：S-XQCC-N24
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：24
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：VQCCN
封装等效代码：LCC24,.16SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3.3 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)：8.5 mA最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：3 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 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 mm
Base Number Matches：1

MAX8688BHETG+T 数据手册

 浏览型号MAX8688BHETG+T的Datasheet PDF文件第2页浏览型号MAX8688BHETG+T的Datasheet PDF文件第3页浏览型号MAX8688BHETG+T的Datasheet PDF文件第4页浏览型号MAX8688BHETG+T的Datasheet PDF文件第5页浏览型号MAX8688BHETG+T的Datasheet PDF文件第6页浏览型号MAX8688BHETG+T的Datasheet PDF文件第7页 
19-3201; Rev 2; 2/11  
Digital Power-Supply Controller/Monitor  
with PMBus Interface  
MAX68  
General Description  
Features  
The MAX8688 fully integrated digital power-supply con-  
troller and monitor IC works with any existing POL  
(point-of-load) power supply to provide complete digital  
programmability. By interfacing to the reference input,  
feedback node, and output enable, the MAX8688 takes  
control of the POL to provide functions such as perfect  
tracking, sequencing, margining, and dynamic adjust-  
ment of the output voltage.  
o PMBus Interface for Programming, Monitoring,  
Sequencing Up and Down, and Accurate Output-  
Voltage Control  
o Controls Output Voltage with 0.2% Accuracy for  
Line, Load, and Temperature Variations  
o Output Voltage, Output Current, and Temperature  
Monitoring with Adjustable Monitor Rate  
o Current Measurement with 2.6% Accuracy  
The MAX8688 offers an accurate 12-bit analog-to-digi-  
tal converter (ADC) accompanied with two differential  
amplifiers for accurately monitoring both voltage and  
current. An integrated 12-bit digital-to-analog converter  
(DAC) is also available to margin power supplies as  
well as dynamically adjust the output voltage with 0.2%  
accuracy over temperature using this closed-loop sys-  
tem. An internal temperature sensor provides an addi-  
tional level of system monitoring.  
o Programmable Soft-Start and Soft-Stop Ramp  
Rates  
o Controls Up to 26 Power Supplies with Hardwired  
Address Pins and Up to 127 POLs with Software  
Addressing  
o Compatible with REFIN and FB Terminals of POL  
Power Supplies  
The user-programmable registers provide flexible and  
accurate control of time events such as a delay time  
and transition period, monitoring for overvoltage and  
undervoltage, overcurrent, reverse-current, overtemper-  
ature fault and warning handling. The closed-loop oper-  
ation is also programmable to make sure the MAX8688  
works with any existing POL to provide superior regula-  
tion accuracy and accurate margining.  
o Protection for POL Against Overvoltage,  
Undervoltage, Overcurrent, Negative Current and  
Overtemperature Faults with No Action, Latch and  
Retry (Hiccup) Options  
o Open-Drain FLT Signal for Fault Detection  
o Master-Slave Clocking Option Eliminates External  
Clock Requirement and Provides Accurate Timing  
Reference  
The MAX8688 operates using a PMBus™-compliant  
communication protocol. The device is programmed  
using this protocol or simply with the use of a free  
graphic-user interface (GUI) available from the Maxim  
website that significantly reduces development time.  
Once the configuration is complete, the results can be  
saved into an EEPROM or loaded onto the part through  
the PMBus at power-up. This allows remote configura-  
tion of any POL using the MAX8688, replacing expen-  
sive recalls or field service. Module current sharing is  
also supported, since accurate current measurement  
and fine resolution voltage control are available. The  
MAX8688 can be programmed with up to 127 distinct  
addresses to support large systems. The MAX8688 is  
offered in a space-saving, 24-pin, lead-free 4mm x  
4mm TQFN package.  
o External EEPROM Interface for Auto-Programming  
on Power-Up  
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  
PIN-PACKAGE  
24 TQFN-EP*  
24 TQFN-EP*  
24 TQFN-EP*  
24 TQFN-EP*  
MAX8688ALETG+  
MAX8688AHETG+  
MAX8688BLETG+  
MAX8688BHETG+  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Selector Guide  
Applications  
ACCURACY  
(%)  
ENOUT POWER-UP  
DEFAULT STATE  
Telecom Networking  
PART  
DC-DC Modules and POLs  
Servers  
MAX8688ALETG+  
MAX8688AHETG+  
MAX8688BLETG+  
MAX8688BHETG+  
0.2  
0.2  
0.4  
0.4  
Low  
High  
Low  
High  
High-Reliability Infrastructure Equipment  
PMBus is a trademark of SMIF, Inc.  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567...38

中文翻译

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MAX8688BHETG+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX8688BHETG+ MAXIM

完全替代

 Digital Power-Supply Controller/Monitor with PMBus Interface
MAX8688AHETG+ MAXIM

类似代替

 Digital Power-Supply Controller/Monitor with PMBus Interface

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