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MAX14659

更新时间： 2024-09-27 02:50:07
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
27页 2438K
描述
Dual-Channel USB Host Adapter Emulators

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中文翻译

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MAX14659 数据手册

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MAX14657/MAX14658/  
MAX14659  
Dual-Channel USB Host Adapter Emulators  
General Description  
Benefits and Features  
●ꢀ IntegratedꢀDualꢀChannels  
The MAX14657/MAX14658/MAX14659 are next-genera-  
tion dual-channel USB 2.0 host-charger adapter emula-  
tors that combine USB Hi-Speed analog switches with a  
USB adapter emulator circuit.  
•ꢀ More Convenient, High-Current USB Charging  
Ports for Users  
•ꢀ Simple and Flexible Power-Management Control  
•ꢀ Small TQFN Package Minimizes PCB Area  
2
The MAX14657 features an I C interface to fully configure  
the charging behavior with different address options.  
The MAX14658/MAX14659 are controlled by two GPIO  
inputs (CB1_/CB0_) and support USB data and automatic  
charger mode. In charging downstream port (CDP) mode,  
the devices emulate the CDP function while supporting  
normal USB traffic. The MAX14657/MAX14658 have a  
CEN_ output for an active-high CLS enable input, and  
the MAX14659 has a CEN_ output for an active-low CLS  
enable input to restart the peripheral connected to the  
USB host.  
●ꢀ ImprovedꢀChargerꢀInteroperability  
•ꢀ USB (CDP) Emulation with Smart CDP and Fool-  
Proof CDP  
•ꢀ Enhanced Automodes  
•ꢀ Foolproof CDP  
•ꢀ Meets New USB Battery Charging (BC) Revision  
1.2 Specification  
•ꢀ Backward Compatible with Previous USB BC  
Revisions  
•ꢀ Meets China YD/T1591-2009 Charging  
Specification  
•ꢀ Supports Standby-Mode Charging for USB BC  
Revision 1.2 Compatible Devices  
The MAX14658/MAX14659 feature 2A high-current  
autodetect mode. The MAX14657 can be configured  
2
through I C to support various dedicated charger modes  
such as Apple 1A/2A forced, or Apple or Samsung 1A/2A  
autodetect modes.  
●ꢀ ProvideꢀGreaterꢀApplicationꢀFlexibility  
2
•ꢀ I C Controls Multiple Modes (MAX14657)  
•ꢀ A Slave Address Selection Input Offers Two  
Possible Slave Addresses for Each Emulator  
(MAX14657)  
•ꢀ CB0_ and CB1_ Pins Control Multiple Automatic  
and Manual Charger States (MAX14658, MAX14659)  
The MAX14657/MAX14658/MAX14659 support CDP and  
standard downstream port (SDP) charging while in the  
active state (S0), and support the dedicated charging  
port (DCP) charging while in the standby state (S3/S4/  
S5). All of the devices support low-speed remote wake-up  
by monitoring DM_, and also support remote wakeup in  
sleep mode (S3).  
●ꢀ EnhanceꢀPerformanceꢀwithꢀHighꢀLevelꢀofꢀIntegratedꢀ  
Features  
•ꢀ Supports Remote Wake-Up  
•ꢀ Low-Capacitance USB 2.0 Hi-Speed Switch to  
Change Charging Modes  
•ꢀ Automatic Current-Limit Switch Control  
•ꢀ ±15kV ESD Protection on DP_/DM_  
The MAX14657/MAX14658/MAX14659 are available in a  
16-pin (3mm x 3mm) TQFN-EP package and are speci-  
fied over the -40°C to +85°C extended temperature range.  
Applications  
●ꢀ Laptop/DesktopꢀComputers  
●ꢀ USBꢀHubs  
Selector Guide  
●ꢀ UniversalꢀChargersꢀIncludingꢀiPod®/iPhone®/iPad®  
REMOTE  
WAKE-UP IN  
AM  
PART  
NUMBER  
I/O  
MODE  
CEN  
POLARITY  
iPod®/iPhone®/iPad® are registered trademarks of Apple, Inc  
Ordering Information and Typical Operating Circuit appear  
at end of data sheet.  
Programmable  
(CEN default)  
MAX14657  
I2C  
Programmable  
For related parts and recommended products to use with this part, refer  
to www.maximintegrated.com/MAX14657.related.  
MAX14658  
MAX14659  
GPIO  
GPIO  
CEN  
Yes  
Yes  
CEN  
19-6664; Rev 1; 8/13  
1234567...27

中文翻译

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