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PESD1CAN-U CAN bus ESD protection diode

PESD1 CAN-U. CAN bus ESD protection diode Rev. 1 27 March 2013 Product data sheet 1. Product profile General description ElectroStatic Discharge (ESD) protection diode in a very small SOT323 (SC-70 ). Surface-Mounted Device (SMD) plastic package designed to protect two automotive Controller Area Network (CAN) bus lines from the damage caused by ESD and other transients. Features and benefits One very small SOT323 package to protect two CAN bus lines Low clamping voltage VCL = 35 V at IPP = 1 A. Typical diode capacitance matching Cd/Cd = %. ESD protection up to 23 kV; IEC 61000-4-2, level 4. IEC 61000-4-5 (surge); IPPM = 3 A at tp = 8/20 s AEC-Q101 qualified Applications CAN bus protection Automotive applications Quick reference data Table 1.

Circuit board layout is critical for the suppression of ESD, Electrical Fast Transient (EFT) and surge transients. The following guidelines are recommended: 1. Place the device as close to the input terminal or connector as possible. 2. Minimize the path length between the device and the protected line. 3. Keep parallel signal paths to a ...

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Transcription of PESD1CAN-U CAN bus ESD protection diode

1 PESD1 CAN-U. CAN bus ESD protection diode Rev. 1 27 March 2013 Product data sheet 1. Product profile General description ElectroStatic Discharge (ESD) protection diode in a very small SOT323 (SC-70 ). Surface-Mounted Device (SMD) plastic package designed to protect two automotive Controller Area Network (CAN) bus lines from the damage caused by ESD and other transients. Features and benefits One very small SOT323 package to protect two CAN bus lines Low clamping voltage VCL = 35 V at IPP = 1 A. Typical diode capacitance matching Cd/Cd = %. ESD protection up to 23 kV; IEC 61000-4-2, level 4. IEC 61000-4-5 (surge); IPPM = 3 A at tp = 8/20 s AEC-Q101 qualified Applications CAN bus protection Automotive applications Quick reference data Table 1.

2 Quick reference data Tamb = 25 C unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VRWM reverse standoff voltage - - 24 V. Cd diode capacitance f = 1 MHz; VR = 0 V - 12 pF. 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol 1 cathode 1. 3. 2 cathode 2 1. 3 common cathode 3. 2. 1 2. 006aaa155. Nexperia PESD1 CAN-U. CAN bus ESD protection diode 3. Ordering information Table 3. Ordering information Type number Package Name Description Version PESD1 CAN-U SC-70 plastic surface-mounted package; 3 leads SOT323. 4. Marking Table 4. Marking codes Type number Marking code[1]. PESD1 CAN-U NB*. [1] * = placeholder for manufacturing site code. 5. Limiting values Table 5.

3 Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit PPPM rated peak pulse power [1][2] - 150 W. IPPM rated peak pulse current [1][2] - 3 A. Tj junction temperature - 150 C. Tamb ambient temperature 55 +150 C. Tstg storage temperature 65 +150 C. [1] Device stressed with ten non-repetitive current pulses (8/20 s exponential decay waveform according to IEC 61000-4-5 and IEC 61643-321). [2] Measured from pin 1 or 2 to 3. Table 6. ESD maximum ratings Symbol Parameter Conditions Min Max Unit VESD electrostatic IEC 61000-4-2 (contact discharge) [1][2] - 23 kV. discharge voltage machine model [2] - 400 V. MIL-STD-883 (human body model) - 10 kV.

4 [1] Device stressed with ten non-repetitive ESD pulses. [2] Measured from pin 1 or 2 to 3. Table 7. ESD standards compliance Standard Conditions IEC 61000-4-2, level 4 (ESD) > 15 kV (air); > 8 kV (contact). MIL-STD-883; class 3B (human body model) > 8 kV. PESD1 CAN-U All information provided in this document is subject to legal disclaimers. Nexperia 2017. All rights reserved Product data sheet Rev. 1 27 March 2013 2 of 12. Nexperia PESD1 CAN-U. CAN bus ESD protection diode 001aaa631. 001aaa630 IPP. 120. 100 %. 100 % IPP; 8 s 90 %. IPP. (%). 80. e t 50 % IPP; 20 s 40. 10 %. tr = ns to 1 ns t 0. 0 10 20 30 40 30 ns t ( s) 60 ns Fig 1. 8/20 s pulse waveform according to Fig 2. ESD pulse waveform according to IEC 61000-4-5 and IEC 61643-321 IEC 61000-4-2.

5 6. Characteristics Table 8. Characteristics Tamb = 25 C unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VRWM reverse standoff - - 24 V. voltage IRM reverse leakage VRWM = 24 V - 1 50 nA. current VBR breakdown voltage IR = 5 mA V. VCL clamping voltage IPP = 1 A [1][2] - - 35 V. IPPM = 3 A - - 50 V. Cd diode capacitance f = 1 MHz; VR = 0 V - 12 pF. f = 1 MHz; VR = V - - pF. Cd/Cd capacitance matching f = 1 MHz; VR = 0 V [3] - - %. f = 1 MHz; VR = V - - %. rdyn dynamic resistance IR = 10 A [2][4] - - . [1] Device stressed with 8/20 s exponential decay waveform according to IEC 61000-4-5 and IEC 61643-321. [2] Measured from pin 1 or 2 to 3. [3] Cd is the difference of the capacitance measured between pin 1 and pin 3 and the capacitance measured between pin 2 and pin 3.

6 [4] Non-repetitive current pulse, Transmission Line Pulse (TLP) tp = 100 ns; square pulse;. ANS/IESD PESD1 CAN-U All information provided in this document is subject to legal disclaimers. Nexperia 2017. All rights reserved Product data sheet Rev. 1 27 March 2013 3 of 12. Nexperia PESD1 CAN-U. CAN bus ESD protection diode aaa-007015 006aab321. 102 PPPM. PPPM PPPM(25 C). (W). 10. 1 0. 10-1 1 10 0 50 100 150 200. tp (ms) Tj ( C). Tamb = 25 C. Fig 3. Rated peak pulse power as a function of Fig 4. Relative variation of peak pulse power as a square pulse duration; typical values function of junction temperature; typical values IPPM. aaa-007016. 10 IPP. Cd (pF). 8. IR. -VCL -VBR -VRWM IRM. -IRM VRWM VBR VCL.

7 -IR. 6. - +. 4 -IPP. -30 -10 10 30. VR (V) -IPPM 006aab325. f = 1 MHz; Tamb = 25 C . Fig 5. diode capacitance as a function of reverse Fig 6. V-I characteristics for a bidirectional ESD. voltage; typical values protection diode PESD1 CAN-U All information provided in this document is subject to legal disclaimers. Nexperia 2017. All rights reserved Product data sheet Rev. 1 27 March 2013 4 of 12. Nexperia PESD1 CAN-U. CAN bus ESD protection diode ESD TESTER 4 GHz DIGITAL. RG 223/U OSCILLOSCOPE. Rd 450 50 coax 10x ATTENUATOR. Cs 50 . DUT. (DEVICE. IEC 61000-4-2 network UNDER. Cs = 150 pF; Rd = 330 TEST). vertical scale = 2 kV/div vertical scale = 50 V/div horizontal scale = 10 ns/div horizontal scale = 10 ns/div GND.

8 GND. unclamped +8 kV ESD pulse waveform clamped +8 kV ESD pulse waveform (IEC 61000-4-2 network) (IEC 61000-4-2 network). vertical scale = 2 kV/div vertical scale = 50 V/div horizontal scale = 10 ns/div horizontal scale = 10 ns/div GND. GND. unclamped -8 kV ESD pulse waveform clamped -8 kV ESD pulse waveform (IEC 61000-4-2 network) (IEC 61000-4-2 network) aaa-007017. Fig 7. ESD clamping test setup and waveforms PESD1 CAN-U All information provided in this document is subject to legal disclaimers. Nexperia 2017. All rights reserved Product data sheet Rev. 1 27 March 2013 5 of 12. Nexperia PESD1 CAN-U. CAN bus ESD protection diode 7. Application information The device is designed for the protection of two automotive CAN bus lines from surge pulses and ESD damage.

9 The device is suitable on lines where the signal polarities are both, positive and negative with respect to ground. SPLIT. CANH. CAN BUS RT/2. TRANSCEIVER CAN. bus RT/2. CANL. Common mode choke 2 1. (optional). CG. PESD1 CAN-U. 3. aaa-007049. Fig 8. Application diagram Circuit board layout and protection device placement Circuit board layout is critical for the suppression of ESD, Electrical Fast transient (EFT). and surge transients. The following guidelines are recommended: 1. Place the device as close to the input terminal or connector as possible. 2. Minimize the path length between the device and the protected line. 3. Keep parallel signal paths to a minimum. 4. Avoid running protected conductors in parallel with unprotected conductors.

10 5. Minimize all Printed-Circuit Board (PCB) conductive loops including power and ground loops. 6. Minimize the length of the transient return path to ground. 7. Avoid using shared transient return paths to a common ground point. 8. Use ground planes whenever possible. For multilayer PCBs, use ground vias. 8. Test information Quality information This product has been qualified in accordance with the Automotive Electronics Council (AEC) standard Q101 - Stress test qualification for discrete semiconductors, and is suitable for use in automotive applications. PESD1 CAN-U All information provided in this document is subject to legal disclaimers. Nexperia 2017. All rights reserved Product data sheet Rev.