Analog Devices Linear Technology ADI Power DC3017A Скачать руководство пользователя страница 3 | Manualshive

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DEMO MANUAL DC3160A

Rev. 0

QUICK START PROCEDURE

Figure 2. Inserting the DC3159A Daughter Card into J1 through J6 of the DC3017A Motherboard

Figure 1. Default Settings for DC3017A Motherboard, Jumpers:

4PVALID

, AUTO, PWRMD0, CFG0,

CFG1, and CFG2; Switches: AD2 and AD3

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Содержание Linear Technology ADI Power DC3017A

Страница 1: ... this system using a single power supply All registered trademarks and trademarks are the property of their respective owners BOARD PHOTO The LTC9101 1 LTC9102 and LTC9103 use a proprietary isolated data interface allowing the LTC9101 1 to directly connect to the host controller I2C interface and eliminates the need for costly opto couplers and an additional 3 3V supply The DC3160A KIT can operate...

Страница 2: ...motherboard settheCFG0 JP20 CFG1 JP21 and CFG2 JP22 jumpers to HI to set CFG 2 0 logically to 111b for 4 pair operation at all ports 6 Align pin 1 of the 16 pin male connector P1 on the DC3159Adaughtercardwithpin1ofthe16 pinfemale connectorJ11ontheDC3017Amotherboardasshown in Figure 2 The six male connectors and six female sockets should match Keyed pins in J16 and J12 as sist with the alignment s...

Страница 3: ...QUICK START PROCEDURE Figure 2 Inserting the DC3159A Daughter Card into J1 through J6 of the DC3017A Motherboard Figure 1 Default Settings for DC3017A Motherboard Jumpers 4PVALID AUTO PWRMD0 CFG0 CFG1 and CFG2 Switches AD2 and AD3 ...

Страница 4: ... 0 QUICK START PROCEDURE Figure 3 DC3160A KIT Connections Table 2 DC3160A KIT Power Supply Voltage per PSE Type IEEE 802 3 TYPE MAX CLASS SUPPLY VOLTAGE RANGE Type 2 or 3 Up to Class 6 51V to 57V Type 4 Up to Class 8 53V to 57V ...

Страница 5: ...ORTS LO LO LO 0 12 LO LO HI RESERVED LO HI LO 0 24 LO HI HI 12 0 HI LO LO 0 36 HI LO HI RESERVED HI HI LO 0 48 HI HI HI 24 0 Table 8 DC3160A B KIT Device Configuration Options JUMPER NUMBER OF PORTS CFG2 JP22 CFG1 JP21 CFG0 JP20 4 PAIR PORTS 2 PAIR PORTS LO LO LO 0 12 LO LO HI RESERVED LO HI LO 0 24 LO HI HI 12 0 HI LO LO 0 32 HI LO HI 16 0 HI HI LO 0 40 HI HI HI 20 0 Table 9 DC3160A KIT Auto Mode...

Страница 6: ...t n n port OUTnA pairset connects to Alternative A pairs 1 2 and 3 6 and OUTnB pairset connects to Alternative B pairs 4 5 and 7 8 A 2 pair PSE uses a single power channel per port con nected to either Alternative A or Alternative B Refer to the section on Evaluating the DC3160A KIT as a 2 pair PSE for more information Test points for each channel output OUT1A through OUT24B are provided The DC316...

Страница 7: ...PoE circuitry to be electrically isolated from the chassis ground The DC3017A moth erboard and DC3159A daughter card layouts and high voltage capacitors provide an isolation barrier between analog and digital domains Transformers and layout pro vide a galvanic barrier between DGND and AGND on the DC3159A daughter card By default this isolation barrier is bridged by resistors on the motherboard to ...

Страница 8: ... state during reset Reset occurs on a VDD or VEE power cycle RESET pin is pulled low and released high or when the global Reset All bit is set If the AUTO pin is set to HI during reset then 4PVALID PWRMD0 and CFG 2 0 pin settings are used to configure auto mode operation Changing the state of these pins will not change the PSE configuration until a reset occurs The AUTO pin is set by the AUTO jump...

Страница 9: ...ard at J1 through a 14 pin ribbon cable I2C address pin AD3 and AD2 are set with a 2 bit switch SW3 on the DC3017A Refer to Table 4 for setting the individual I2C address for each DC3160A KIT SDAOUT and SDAIN can be tied together through a shunt resistor R73 Turrets on the DC3017A motherboard provide test points for SCL SDAIN SDAOUT VDD DGND INT MSD and RESET MSD and RESET Pushbuttons Pushbutton s...

Страница 10: ...g a low resis tance sense resistor and low RDS ON external MOSFET at each power channel Figure 9 is a thermal image of the DC3159A A daughter card with each of the 24 4 pair PoE ports loaded to 1 73A and a VEE supply of 55V no fan was used For even further heat reduction on the daughter card the LTC9102 and LTC9103 respective CAP3 pin can be supplied with an external 3 3V and not rely on the inter...

Страница 11: ... and VEE at 55V Figure 10 DC3160A A KIT Radiated Emissions Performance CISPR 32 Radiated Emissions Test Antenna Polarization Horizontal 3 Meters Radiated EMI Performance Radiated EMI Performance Figure 11 DC3160A A KIT Radiated Emissions Performance CISPR 32 Radiated Emissions Test Antenna Polarization Vertical 3 Meters CISPR 32 CLASS B LIMIT DETECTOR QUASI PEAK HORIZONTAL H 1M RBW 120kHz DWELL TI...

Страница 12: ...disclose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damage...

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