Atmel ATAK5276-83 Application Note Download Page 9 | Manualshive

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9

4857C–AUTO–07/06

ATAK5276-83

Figure 4-6.

Receiver Board ATAB5282_V4

Figure 4-7.

Schematic of Receiver Board ATAB5282_V4

Lith

3V

NWAKE

C4

C6

R8

VS

LD1

R7

R5

T1

R6

GND

R4/1+ R4/2

8

6

5

1

2

3

4

NWAKE/
DATA

TC

VDD

COIL1

VSS

7

NSCL

TSSOP8

ATA5282

C2b

C1b

C3b

COIL2

COIL3

NSCL

R9

VS

COIL3

COIL2

COIL1

L1

R1

L2

R2

L3

R3

C2a

C1a

C3a

VS

NC

NWAKE

GND

NC

NSCL

6

5

4

3

2

1

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Summary of Contents for ATAK5276-83

Page 1: ...onsists of the LF transmitter board ATAB5276 patched onto a microcontroller base board and an LF receiver board ATAB5283 The high antenna driver ability of the transmitter combined with the sensitive receiver enables a wake up distance of up to 2 5 meters For the general functionality of the ATA5276 and the ATA5283 please refer to the related datasheets 2 System Configuration Figure 2 1 LF Wake up...

Page 2: ...ftware the setup menu is displayed see Figure 3 1 on page 3 Clicking send causes serial data patterns to be sent via the DIO line to the transmitter Depending on the mode selection patterns can be sent in single operation or loop operation mode Pattern data to be sent can either be loaded by clicking on load pattern or by directly edit ing the table The index box to the left of the table shows the...

Page 3: ... 4857C AUTO 07 06 ATAK5276 83 Figure 3 1 Command Settings on the Host Screen 4 Hardware Components 4 1 Transmitter Board ATAB5276_V1 with External Antenna Module Figure 4 1 Transmitter Board ATAB5276_V1 ...

Page 4: ... to about 25 With the default module adjustment a current flow of around 0 6 Ap at VBATT 12V can be achieved Therefore jumper J3 has to be closed RCR RCR1 RCR2 25 kΩ If Jumper J3 is open RCR RCR1 100 kΩ the current set point is decreased leading to a regulation level of typically 0 37 Ap To reach the maximum antenna current 1 5 Ap the series resistor RANT R1 on the antenna module has to be shorted...

Page 5: ...OOST 19 DVCC3 20 VCC 18 DIO 17 VDIO 16 DVSS2 7 DVSS3 6 DVSS1 8 SENSE 9 VSS 10 DRV3 3 DRV2 4 DRV1 DVCC1 2 DVCC2 1 5 TM3 13 RCR 12 REXT TM2 14 TM1 15 11 Ref ext BUS Current Sense ON OFF CLK DRV J1 X3_1 X3_2 VBATT 8 24V GND C1 X4_1 X4_2 C2 D1 C5 C4 RSEN RANT REXT RCR1 X2_5 X1_11 DRV LD1 R4 J3 RCR2 X1_7 R2 R3 R1 T 1 C3 VCC J2 DIO DVCC DRV TP IANT DRV CANT C1 RANT R1 LANT Ext Antenna Module D2 CANT ...

Page 6: ...sistor 100 kΩ SMD 0805 for example Vishay RCR1 Resistor 100 kΩ SMD 0805 for example Vishay RCR2 Resistor 33 kΩ SMD 0805 for example Vishay RSEN Resistor 0 56Ω 1W SMD2512 for example Vishay RANT Resistor Optional n c C1 Capacitor Electrolytic 120 µF 50V EEUFC1H121 Panasonic C2 Capacitor Ceramic 100 nF SMD 0805 Standard C3 Tantalum 10 µF 10V SMD C4 Capacitor Ceramic 100 nF SMD 0805 Standard C5 Capac...

Page 7: ...SET button Test pins allow the measurement of all relevant signals A 3V lithium battery is used supplying the receiver with LED indication Figure 4 4 Receiver Board ATAB5283_V3 Figure 4 5 Schematic of Receiver Board ATAB5283_V3 L1 C1 Lith 3V LF Receiver NDATA NWAKE C14 C15 R6 VS D1 LED red R3 R4 T1 R5 R7 R8 GND VS T2 Reset R2 VS 8 6 5 1 2 3 4 NWAKEUP RESET VDD COIL1 VSS TST1 TST1 7 NDATA TSSOP8 AT...

Page 8: ...he receiver with LED indication Table 4 2 Parts List of Receiver Board ATAB5283_V3 Part No Designation Value Type Manufacturer U1 Wake up IC ATA5283 Atmel T1 Transistor PNP BC857 T2 Transistor NPN BC847 D1 LED Red TLMT3100 Vishay L1 Antenna coil 7 2 mH Q 28 SDTR1103 0720 Predan C1 Capacitor 220 pF 5 50V SMD Ceramic for example Vishay C1b Capacitor Optional for example Vishay C14 Capacitor 100 nF 1...

Page 9: ...7 Schematic of Receiver Board ATAB5282_V4 Lith 3V NWAKE C4 C6 R8 VS LD1 R7 R5 T1 R6 GND R4 1 R4 2 8 6 5 1 2 3 4 NWAKE DATA TC VDD COIL1 VSS 7 NSCL TSSOP8 ATA5282 C2b C1b C3b COIL2 COIL3 NSCL R9 VS COIL3 COIL2 COIL1 L1 R1 L2 R2 L3 R3 C2a C1a C3a VS NC NWAKE GND NC NSCL 6 5 4 3 2 1 ...

Page 10: ... 50V SMD Ceramic for example Vishay C3 Capacitor 270 pF 5 50V SMD Ceramic for example Vishay C4 Capacitor 1 µF 10V Tantalum for example Vishay C6 Capacitor 10 µF 10V Tantalum for example Vishay R1 Resistor 180 kΩ SMD 0805 R2 Resistor 180 kΩ SMD 0805 R3 Resistor 390 kΩ SMD 0805 R4 1 Resistor 1 MΩ SMD 0805 R4 2 Resistor 1 MΩ SMD 0805 R5 Resistor 47 kΩ SMD 0805 R6 Resistor 100 kΩ SMD 0805 R7 Resistor...

Page 11: ... proposed default folder is accepted the path of ATA5276 exe is as follows Using an English language Windows system Program Files Ata5276 Ata5276 exe Using a German language Windows system Programme Ata5276 Ata5276 exe 3 Copy the default patterns ATA5283 dat and ATA5282 dat from the CD ROM to the installation folder 4 When the software program ATAB5276 exe located in the installation folder is exe...

Page 12: ... AGC control of the ATA5283 as shown in Figure 6 1 Figure 6 1 ATAB5283 Receiver Board 3 The ATA5283 data pattern is already loaded by default If appropriate ATA5282 dat or a custom file can be loaded To do this click on load Pattern see Figure 6 2 Figure 6 2 Load Pattern 4 Select one of the dat files see Figure 6 3 on page 13 The ATA5283 dat protocol con sists of a preamble followed by data which ...

Page 13: ...ect the protocol at a distance of up to about 2 meters along the antenna axis Longer distances can also be reached by increasing the antenna current for example to 1 5 Ap with shorted RANT on the antenna module Each protocol cycle received is indicated by LED on the receiver board ATAB5283 ATAB5282 see Figure 6 1 on page 12 Figure 6 4 Send Pattern Note Whenever the position of the ATAB5283 receive...

Page 14: ...tor system antenna current undervoltage monitoring can be easily per formed for example Turn the voltage of the power source below 6 5V Short or open the antenna module via the plug In both cases the Ack Error message is displayed after pressing send Figure 6 5 Acknowledge Status 6 3 Antenna Current Measurements Using the standard antenna module the maximum antenna current measures about 0 6 Ap at...

Page 15: ...gulation Note Consider the power dissipation of shunt resistor RSEN and module resistor RANT when operating the driver continuously loop operation mode When operating the driver out of current regulation the PWM stage is controlled by a 1 1 duty cycle This could be an advantage with respect to the radiated harmonics in contrast to using regulation mode 6 4 Signal Transmission Measurements The rela...

Page 16: ...r to ATAB5283 Receiver A similar protocol transmission to the 3D receiver is shown in Figure 6 9 Due to the header detection the Q factor of the transmitter antenna module is reduced to a value of Q 13 RANT 18Ω Figure 6 9 Signal Transmission ATAB5276 Transmitter to ATAB5282 Receiver ...

Page 17: ...487 2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH 1705 Fribourg Switzerland Tel 41 26 426 5555 Fax 41 26 426 5500 Asia Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimshatsui East Kowloon Hong Kong Tel 852 2721 9778 Fax 852 2722 1369 Japan 9F Tonetsu Shinkawa Bldg 1 24 8 Shinkawa Chuo ku Tokyo 104 0033 Japan Tel 81 3 3523 3551 Fax 81 3 3523 7581 Memory 232...

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