EVAL-AD7280AEDZ Analog Devices Inc, EVAL-AD7280AEDZ Datasheet
EVAL-AD7280AEDZ
Specifications of EVAL-AD7280AEDZ
Related parts for EVAL-AD7280AEDZ
EVAL-AD7280AEDZ Summary of contents
Page 1
... GENERAL DESCRIPTION This user guide describes the evaluation board kit for the AD7280A (EVAL-AD7280AEDZ), which is a complete, 12-bit resolution lithium ion battery monitoring system, integrating multiple voltage and temperature input channels. Full details about the part are available in the AD7280A data sheet from Analog Devices, Inc ...
Page 2
... General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Evaluation Board Hardware ............................................................ 3 Power Supplies .............................................................................. 3 Link Options ................................................................................. 3 Setup Conditions .......................................................................... 4 Interfacing the Evaluation Board to the EVAL-CED1Z.......... 4 Operating with the EVAL-CED1Z Board ................................. 5 Interfacing to the Evaluation Board in Standalone Operation....................................................................................... 5 Sockets ........................................................................................... 5 REVISION HISTORY 4/11—Revision 0: Initial Version Evaluation Board User Guide ...
Page 3
... In Position B, the +5 V supply is sourced externally via the J6 connector. LK8 Source of the +3.3 V supply for the EVAL-AD7280AEDZ. In Position A, the +3.3 V supply is sourced from the evaluation board controller via the 96-way connector. In Position B, the +3.3 V supply is sourced externally via the J6 connector ...
Page 4
... Interfacing the EVAL-CED1Z board to the evaluation board is via a 96-way connector, J1. The pinout for the J1 connector is shown in Figure 2. Table 3 provides a description of the pins on the 96-way connector used to interface between the EVAL-CED1Z board and the EVAL-AD7280AEDZ. Table 4 gives the pin design- nations for the 96-way connector Table 3 ...
Page 5
... EVAL-CED1Z board. Software to communicate with the EVAL-CED1Z and AD7280A is provided with the AD7280A evaluation board package. The 96-way connector on the EVAL-AD7280AEDZ plugs directly into the 96-way connector on the EVAL-CED1Z board. The EVAL-CED1Z board provides all the supplies for the evaluation board powered from power ...
Page 6
... R88. Each board also includes an option to solder a resistor, R89, from the master pin two or more evaluation boards, the R88 resistor on slave boards should be removed and a 10 kΩ resistor should be included in the R89 footprint. The pin designations for the J15 and J16 connectors are shown in Table 8 and Table 9 ...
Page 7
... Start the EVAL-AD7280AEDZ software. The FPGA code is automatically downloaded to the EVAL-CED1Z. The red LED, D14, on the EVAL-CED1Z is now lit. This indicates that the EVAL-CED1Z is functional and ready to receive instructions. • ...
Page 8
... The desired display options are selected by clicking the Voltage(Codes), Voltage(Volts), VT output(Codes), and VT output (Volts) tab buttons second EVAL-AD7280AEDZ evaluation board is connected, there is a seperate set of tabs for the results from this board. Rev Page ...
Page 9
... Evaluation Board User Guide Figure 3. AD7280A Main Window Rev Page UG-252 ...
Page 10
... The conversion results are displayed on the running chart as integer code values. The upper chart refers to the conversion results from Device 0 or Device 2 on the AD7280A evaluation board. The lower chart refers to the conversion results from Device 1 or Device 3. The instantaneous value of each conversion result is displayed in hexadecimal format on the individual indicators to the right of each chart ...
Page 11
... AD7280A evaluation board, click the Read/Write Registers button. When you click the Read/Write Registers button, the software instructs the EVAL-CED1Z board to read the data in each of the AD7280A registers and displays this information on the screen, as shown in Figure 4. The register data for Device the top left of the screen, the ...
Page 12
... UG-252 Figure 4. AD7280A Read/Write Register Window Rev Page Evaluation Board User Guide ...
Page 13
... Evaluation Board User Guide Figure 5. Configure AD7280A Window Rev Page UG-252 ...
Page 14
... CNVSTHI 21 44 SCLK SDIHI 22 43 SDI ALERTHI 23 42 CNVST 24 SDOLO 25 ALERTLO VTTERM 28 32 MASTER 14 AGND 31 VSS 17 D19 30V K A Figure 6. EVAL-AD7280AEDZ Schematic—Page 1 Rev Page Evaluation Board User Guide 09706-006 SDO 26 ALERT SCLK 22 SDI 23 CNVST 24 SDOLO 25 ALERTLO 28 MASTER 14 AGND 31 VSS 17 30V ...
Page 15
... Evaluation Board User Guide 0r Figure 7. EVAL-AD7280AEDZ Schematic—Page 2 Rev Page UG-252 09706-007 ...
Page 16
... R52 0r 0r R53 C29 0.1uF 0r R60 0r R61 0r R62 0r R63 0r R64 0r R65 C35 0.1uF Figure 8. EVAL-AD7280AEDZ Schematic—Page 3 Rev Page Evaluation Board User Guide VREG_CHIP1 VT1_CHIP1 VT2_CHIP1 VT3_CHIP1 VT4_CHIP1 VT5_CHIP1 VT6_CHIP1 C30 C31 C32 C33 C34 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF VREG_CHIP0 ...
Page 17
... ADG3301/8 & ADG779 Decoupling J1-C21 J1-A4 J1-C22 J1-B4 J1-C23 J1-C4 J1-C24 J1-A12 J1-C25 J1-B12 J1-C26 J1-C12 J1-A16 J1-B16 J1-C29 J1-C16 J1-A20 J1-B20 J1-C20 Figure 9. EVAL-AD7280EDZ Schematic—Page 4 Rev Page UG-252 +5V C42 22uF +3.3V C44 22uF 0r R66 +3.3V/EXT_DSP 0r R67 N/L EXT_DSP C46 22uF ...
Page 18
... UG-252 AD7280 to Interface 10K R110 10K R109 PD2 CNVST2 ALERT2 SDO2 SDI2 SCLK2 CS2 R72 0r R71 0r ADuM and ADG3308/1 between distance Short Figure 10. EVAL-AD7280EDZ Schematic—Page 5 Rev Page Evaluation Board User Guide 09706-010 ...
Page 19
... Evaluation Board User Guide Figure 11. Silkscreen-Top Image Figure 12. Layer 1 Rev Page UG-252 ...
Page 20
... UG-252 Evaluation Board User Guide Figure 13. Layer 2 Figure 14. Layer 3 Rev Page ...
Page 21
... Evaluation Board User Guide Figure 15. Layer 4 Rev Page UG-252 ...
Page 22
... R15, R17, R89, R90, R109, R110 R66, R78 R67, R79 to R86 R48 to R53, R60 to R65, R68, R69, R71, R72, R87 R70, R104, R105 R106, R107 R108 T1 to T12 Rev Page Evaluation Board User Guide 1 Stock Code AD7280AWBSTZ FEC 101-4133 ADG3308BRUZ ADuM5401CRWZ ADG3301BKSZ ADG849YKSZ ...
Page 23
... Evaluation Board User Guide NOTES Rev Page UG-252 ...
Page 24
... Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board. Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “ ...