NCN8026AMNGEVB

NCN8026AMNGEVB NCN8026A Evaluation Board User's Manual http://onsemi.com EVAL BOARD USER’S MANUAL INTRODUCTION This document gives a detailed description of the NCN8026A Evaluation Board (QFN-24) with the bill of materials (BOM), board schematic, and layout. The appropriate laboratory test setups are also provided. The NCN8026A Evaluation Board has been designed to help for a quick evaluation of the NCN8026A Smart Card Interface device. This document has to be used with the NCN8026A datasheet. The datasheet contains full technical details regarding the NCN8026A specifications and operation. The board (FR4 material) is implemented in two metal layers. The top and bottom layers have thicknesses of 35 mm. The PCB thickness is 1.6 mm with dimensions of 89 mm by 68 mm (see Figure 1). Figure 1. Evaluation Board TEST EQUIPMENT The following equipment listed in Table 1 is suggested for the evaluation. Table 1. TEST EQUIPMENT Description Regulated Power Supply Example of Equipment (Note 1) Main Features 200 mA DC current capability Multimeter Sourcemeter Qty. Tektronix PS2520G 2 Keithley 2000 or 2001 2 Keithley 2400 1 Oscilloscope 500 MHz bandwidth, four channel scope, minimum 1MB memory per channel (Note 2) Tektronix TDS744, 754 or 784 / TDS5054 series or LeCroy WR5060, TDS5104B, 1 Ghz, 5 GS/s 1 Voltage probe 4 probes, 500MHz bandwidth Tektronix or LeCroy 4 Waveform generator Pattern generator Agilent 81104A 80 MHz or HP8110A 150 MHz 2 outputs 1 SMB Cable 1 1. Equipment used in the context of this Evaluation Board User’s Manual 2. Greater scope memory per channel offers better resolution © Semiconductor Components Industries, LLC, 2013 February, 2013 − Rev. 0 1 Publication Order Number: EVBUM2174/D NCN8026AMNGEVB TEST PROCEDURE respectively. Refer to the recommended operating ranges for VDD and VDDP in the datasheet. Use VDD = VDDP = 5 V to get started. Refer to Figure 2 for an overview of the main features of the evaluation board. Initial Setup The initial setup given here is recommended before starting measurements on the board. • Set the CMDVCC/ in the OFF position (High). • Set CS/ in the ON position: Chip selected, position Low. • Set CLKDIV1 and CLKDIV2 into low position (lowest frequency FCLKIN ) • VESL0 and VSEL1 are used to change the output CVCC (card power supply) or the smart card interface mode which can be 1.8 V, 3.0 V or 5.0 V. Change VSEL0 and VSEL1 using the switches (see Figure 2) according to Table 2 below. When VSEL0 = 0 then VSEL1 is in the mode 5 V / 3 Vbar, when VSEL0=1 then VSEL1 is in the mode 1.8 V / 3 Vbar. The initial setup can be VSEL0 = 0 and VSEL1 = 1 for selecting the 5 V mode. The CVCC output voltage can be changed on the fly when the smart card interface is active (/CMDVCC = Low). Nevertheless, it is recommended to change CVCC after having deactivated the device then reconfiguring CVCC by setting the appropriate VSEL0 and VSEL1 and reactivating the smart card interface. Clock Frequency CLKDIV1 and CLKDIV2 select the frequency divider for the card clock CCLK according to Table 3 given below. Table 3. CVCC PROGRAMMING CLKDIV1 CLKDIV2 CCLK Frequency 1 0 fCLKIN / 1 1 1 fCLKIN / 2 0 1 fCLKIN / 4 0 0 fCLKIN / 8 The Clock The clock is applied externally (SMB connector). Refer to the datasheet for the recommended frequency and voltage levels that can be applied at CLKIN. Card Presence The typical socket is normally open, so PRES/ has been chosen; nevertheless the PRES and PRES/ test points can also be used for signaling the presence of a card and starting up the circuit. If not using a smart card, connect PRES/ to ground. Table 2. CVCC PROGRAMMING Start the measurement VSEL0 VSEL1 CVCC 0 0 3.0 V 0 1 5.0 V 1 0 3.0 V 1 1 1.8 V To start the measurments, set the board as it follows: 1. Set CLKDIV1 and CLKDIV2 to select the correct frequency. 2. Set VSEL0 and VSEL1 to select the correct output voltage. 3. Check that the 1 kW potentiometer jumper is turned to 1 kW. 4. Set /CS low. 5. Set CMDVCC/ high. 6. Check that VDD and VDDP are set to 5 V, and set the current limit to 100 mA. Turn on the power supplies VDD and VDDP. 7. Toggle /CMDVCC from High to Low to start the device (activation sequence run). 8. Change the CVCC output voltage with the VSEL0 and VSEL1 switches. 9. Apply a clock to CLKIN and observe the card clock at CCLK. Use CLKDIV1 and CLKDIV2 to change the clock frequency. • As a precaution, if using the built-in resistive load, turn the 1 kW potentiometer to obtain a resistor output value of 1 kW, and then connect the jumper. DC Power Supplies Two power supplies are used to bias the demo board. VDDP is the input voltage of LDO Regulator. VDD is the “digital” power supply which biases the input stages of the NCN8026A device (control and signal inputs). VDD and VDDP must be connected to the board to ensure correct operation. Connect the VDD and VDDP power supplies using the 2 pin male connectors J4 and J3 http://onsemi.com 2 NCN8026AMNGEVB EVALUATION BOARD DESCRIPTION Figure 2. Board Description http://onsemi.com 3 NCN8026AMNGEVB VSEL1 VSEL1 VSEL0 10K TP20 CLKIN TP3 /INT TP22 RSTIN TP15 VDD 1 1 1 TP4 I/OUC 1 TP5 AUX1UC C9 C7 100n 3 PRESb 4 J4 J1 VDDP 0 6 IDDP 19 VSEL0 CLKIN CSb U1 INTb VDDP NCN8026A QFN−24 GND PRESb VDD PRES RSTIN CI/O CMDVCCb 7 J10 8 CAUX2 Standoffs 0 I/Ouc 20 AUX1uc 22 21 0R PORADJ VDDP R3 0 C17 18 16 0 15 C6 100n 14 R2 R1 0R open 330n 0 100K J5 2 Ground 0 K2 CON1 0 0 1 I/O J6 2 Ground TP8 5 6 7 8 R11 1 0R R12 0 0 1 0 0 J7 TP9 AUX2 1 TP7 AUX1 1 GND VPP I/O C8 VCC RST CLK C4 U2 SMART_CARD 0R 1k R5 220n 1 2 3 4 1 R15 0R 1 TP11 RST 1 TP10 CLK C12 80 pF C13 80 pF C14 80 pF 0 Figure 3. Board Schematic http://onsemi.com 4 J8 1 R14 0R 0R 0 LOAD 2 VCC R13 2 Ground PORADJ C5 VDD 1 CON1 TP1 1 9 J12 IDD R8 10 J11 J3 0 K1 CON1 VDD CMDVCCb 13 C11 CON1 0 22p 17 12 2 PRES 5 2 PRESb 1 CSb CVCC PRES 1 1 1 2 1 VDDP VSEL0 CRST TP19 PRES/ TP18 PRES 0 C2 100n 10u 1 11 C1 TP17 CCLK SW6 9 0 CSb AUX2uc PGND SW4 10 0 1 2 3 4 5 33p CLKDIV1 25 CMDVCC/ VSEL1 0 C18 100n CLKDIV1 C10 CSb CLKDIV2 CLKDIV1 SW1 CLK_EXT_SMB J9 I/Ouc 0 23 0 33p 24 C4 100n CLKDIV1 CMDVCCb SW2 J13 1 CLKDIV2 0 VSEL1 CLKDIV2 1 VDD C8 33p CLKDIV2 SW3 1 10K C3 100n VSEL0 TP6 AUX2UC TP21 CMDVCCb 1 R16 1 TP13 CLKDIV1 1 R10 TP14 CLKDIV2 R9 10K 1 R7 10K CAUX1 SW5 R6 10K 2 1 10K TP2 VSEL1 R4 TP16 VSEL0 VDD 1 2 J2 VDD 1 1 0 TP23 CSb EVALUATION BOARD SCHEMATIC C15 C16 33 pF 100 pF 0 TP12 CVCC NCN8026AMNGEVB BILL OF MATERIALS − NCN8026A EVALUATION BOARD Table 4. BILL OF MATERIALS Designator Qty Description Value Tol Footprint Manufacturer Manufacturer Part # Lead Free C1 1 CAP CER 10 UF 6.3 V 20% X5R 0805 10 uF 20% 0805 Murata GRM21BR60J106ME19L Yes C2, C6, C7, C18 3 CAP CER .1 UF 25 V 10% X7R 0805 100 nF 10% 0805 Murata GRM21BR71E104KA01L Yes C3, C4 2 CAP CER .1 UF 25 V 10% X7R 0603 100 nF 10% 0603 Murata GRM188R71E104KA01 Yes C5 1 CAP CER .22 UF 16 V X7R 10% 0805 220 nF 10% 0805 TDK Corporation C2012X7R1C224K Yes C8, C9, C10, C15 4 CAP CER 33 PF 16 V X7R 0603 33 pF 5% 0603 AVX Corporation Do not populate Yes C11 1 CAP CER .33 UF 16 V X7R 10% 0805 330 nF 10% 0805 TDK Corporation C2012X7R1C334K/1.25 Yes C12, C13, C14 3 Do not populate 80 pF - 0603 Do not populate Do not populate - C16 1 Do not populate 100 pF - 0603 Do not populate Do not populate - C17 1 CAP CERAMIC 22 PF 50 V NP0 0603 22 pF 5% 0603 Yageo CC0603JRNP09BN220 Yes R1 1 Do not populate Open - 0805 Do not populate Do not populate - R2, R3, R11, R12, R13, R14, R15 7 RES 0.0 OHM 1/8 W 0603 SMD 0R - 0603 Stackpole Electronics Inc RMCF0805ZT0R00 Yes R4, R6, R7, R9, R10, R16 5 CMS resistor 1%, 1/4 W 10k 1% 0603 Philips Components 232272461003 Yes R5 1 Single turn Cermet trimmer, 1k, 0.5 W, 10% 1k - CERMET-72PT Bourns 3386F-102LF-ND Yes R8 1 CMS resistor 1%, 1/4 W 100k 1% 0805 Philips Components 232272461004 Yes SW1 to SW6 5 PCB slide switches - - INTER3-2,54 EAO 09.03290.01 Yes TP1 to TP11, TP13, TP14, TP16, TP18 to TP21, TP23 18 Clip Test Point, Hole Diameter 1.0 mm (0.040 mil) - - TP_1.0MMHOLE_ KEYSTONE_5000 Keystone 5000 Yes TP12, TP15, TP17, TP22 4 Clip Test Point, Hole Diameter 1.6 mm (0.063 mil) - - TP_1.6MMHOLE_ KEYSTONE_5010 Keystone 5010 Yes J1,J2 2 VDD, VDDP, 2-Pins Male Connector, 5.08 mm Step - - MSTBA2 Phoenix Contact MSTBA2.52G5.08 Yes J3, J4, J8 3 IDD, IDDP, LOAD, Breakable Single Row Header (2 Pins) - - CON2-2.54 TYCO Amp 5-826629-0 Yes J5, J6, J7 3 Ground Strap, Brass, Diameter 1.0 mm, Pitch 10.16 mm, Height 9.9 mm - - GND_STRP HARWIN D3082-46 Yes J9 1 SMB connector - - SMB/V IMS 111510001 Yes U1 1 NCN8026A Smart Card Interface - - QFN 24 4X4 ENGINEERING ON Semiconductor NCN8026AMNTXG Yes U2 1 Smart card socket - - SMARTCARD_FC I_74343L0825S01 FCI 7434L0825S01LF Yes none 4 Standoff nut - - STANDOFF HOLE Keystone Electronics 1903C Yes none 4 Standoff screw - - STANDOFF HOLE Keystone Electronics 4814K-ND Yes http://onsemi.com 5 onsemi, , and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. 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