NDP5102SE 双USB智能识别IC芯片-骊微电子.pdf
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1、Nanjing Deep-Pool Microelectronics Co., Ltd.Mar-2019 Rev0.2 Page1-6 NDP5102SE Dual USB Dedicated Charging Port Controller Z Typical Application Description The NDP5102SE is a Dual USB dedicated charging port controller. An auto-detect feature monitors USB data line voltage, and automatically provide
2、s the correct electrical signatures on the data lines to charge compliant devices among the following dedicated charging schemes: Divider DCP, required to apply 2.7 V and 2.7 V on the D+ and D- Lines respectively BC1.2 DCP, required to short the D+ Line to the D Line Chinese Telecom Standard YD/T 15
3、91- 2009 Shorted Mode, required to short the D+ Line to the D Line 1.2 V on both D+ and D Lines Features Supports USB DCP Shorting D+ Line to D Line per USB Battery Charging Specification, Revision 1.2 (BC1.2) Supports Shorted Mode (Shorting D+ Line to D-Line) per Chinese Telecommunication Industry
4、Standard YD/T 1591-2009 Supports USB DCP Applying 2.7 V on D+ Line and 2.7 V on D- Line Supports USB DCP Applying 1.2 V on D+ and D Lines Automatically Switch D+ and D- Lines Connections for an Attached Device Operating Range: 4.5 V to 5.5 V Available in SOT23-6 Package Applications Car Charger Vehi
5、cle USB Power Chargers Networking Systems Other USB Chargers 现货TEL:13808858392 杜S Nanjing Deep-Pool Microelectronics Co., Ltd. Mar-2019 Rev0.2 Page2-6 NDP5102SE Absolute Maximum Ratings (at TA = 25C) Characteristics Symbol Rating Unit VIN to GND -0.3 to 7 V DP1,DM1,DP2,DM2 to GND -0.3 to +6 V Operat
6、ing Junction Temperature -40 to 125 C Storage Junction Temperature -55 to 150 C Junction to Ambient Thermal Resistance RJA 180 C/W Junction to board thermal resistance RJB 120 C/W Junction to case thermal resistance RJC 42 C/W ESD Ratings Value Unit Electrostatic discharge Human-body model (HBM) 400
7、0 V Pin Function And Descriptions PIN NAME Description 1 DP1 Connected to the D+ line of USB connector 2 GND Ground 3 DP2 Connected to the D+ line of USB connector 4 DM2 Connected to the D- line of USB connector 5 VCC Power suppler 6 DM1 Connected to the D-line of USB connector Order information Rec
8、ommended Operating Conditions Symbol MIN MAX Unit Input voltage of VCC VCC 4.5 5.5 V DP1,DP2 data line input voltage VDP 0 5.5 V DM1,DM2 data line input voltage VDM 0 5.5 V DP1,DP2 Continuous sink or source current IDP 0 10 mA DM1,DM2 Continuous sink or source current IDM 0 10 mA Order Information T
9、op Marking NDP5102SE NYWW (N: Part NO. Y:Year. WW:Week. Nanjing Deep-Pool Microelectronics Co., Ltd. Mar-2019 Rev0.2 Page3-6 NDP5102SE Electrical Characteristics TJ = 25C. VCC = 5V, unless otherwise noted Characteristics Symbol Conditions Min Typ Max Units Input Voltage VCC 4.3 5 5.5 V UVLO Voltage
10、VUVLO 3.1 3.7 4.3 V UVLO Hysteresis 0.1 V Quiescent Current ICCQ VCC=5V - 220 - uA BC 1.2 DCP Mode DP,DM Short Resistance RDPM 160 200 Resistance between DPX and GND RDPG VDPx=0.8V 650 1000 K Resistance between DMX and GND RDMG VDMx=0.8V 650 1000 K DPx threshold of Goes to divider mode VDPX_TH 300 m
11、V Divider Mode DPx output voltage VDPX_2.7 2.6 2.7 2.8 V DMx output voltage VDMX_2.0 2.6 2.7 2.8 V DPx output impedance RDPX 24 30 36 K DMx output impedance RDMX 24 30 36 K 1.2V /1.2V Mode DPX output voltgage VDPX_1.2 1.12 1.2 1.28 V DMX output voltgage VDMX_1.2 1.12 1.2 1.28 V Note: DPX Stands for
12、DP1 or DP2, DMX Stands for DM1 or DM2 Nanjing Deep-Pool Microelectronics Co., Ltd. Mar-2019 Rev0.2 Page4-6 NDP5102SE Block Diagram Operation As USB charging has gained popularity, the 500mA minimum defined by USB 2.0 specification or 900mA defined in USB 3.0 specification, has become insufficient fo
13、r many tablets and handphone which have a higher rated charging current. Several new standards have been introduced defining protocol handshaking methods that allow host and client devices to acknowledge and draw additional current beyond the USB 2.0 Specification and the USB 3.0 Specification while
14、 using a single USB input connector. The NDP5102SE support four of the most common protocols: USB Battery Charging Specification, Revision 1.2 (BC1.2) Chinese Telecommunications Industry Standard YD/T 1591-2009 Divider mode 1.2 V on both D+ and D lines YD/T 1591-2009 is a subset of the BC1.2 specifi
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