Page History

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ED: Tabelle ist fertig!

Changes

#1 Restructured power supply circuit architecture. Power supply can be supplied either via power path ATX connector (J20) (signal "12V_input_A") → fuse 0451007.MRL (F1) (signal "12V_input_A_Fused") → protection circuit LTC4365ITS8#TRMPBF (U52) with MOSFET Si7114ADN-T1-GE3 (T2, T3) (signal "12V") or via power path power jack (J25) (signal "12V_input_B") → fuse 0451007.MRL (F2) (signal "12V_input_B_Fused") → protection circuit LTC4365ITS8#TRMPBF (U53) with MOSFET Si7114ADN-T1-GE3 (T4, T5) (signal "12V"). Added input power protection circuit with TVS diode SMBJ20CA (D11, D19).

Type: Schematic Change

Reason: Improve power supply architecture.

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Impact: None. Increased current output capability. Minor changes in electrical characteristics. (???)

#8 Changed battery power supply circuit architecture. Changed LDO (U37

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) from TPS780180300 to TPS7A0212PDBVR and diode (D16) from SDMG0340LC-7-F to BAS70-05W. Added capacitor (C278), resistor (R269), and assembly option (default: not fitted) resistor (R270).

Type: Schematic Change

Reason: Change battery voltage supply from 1.8 V to 1.2 V to follow AMD recommendation.

Impact:  (???)

#8 Set LDO TPS79901DRV (U47) and related components as not fitted.

Type: Schematic Change

Reason:  (???)

Impact:  (???)

#9 Change eMMC (U2) from MTFC16GJVEC-2M WT to SDINBDG4#9 Change eMMC (U2) from MTFC16GJVEC-2M WT to SDINBDG4-8G-XI2.

Type: BOM change

Reason: EOL of Component.

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Reason: Harmonize with TEBF0818 series.

Impact: None.

#6 Changed MEMS oscillator (U10) from SiT8008AI-73-XXS-52.000000E to SiT8008BI-73-XXS-52.000000E

Type: BOM change

Reason: EOL of Component.

Impact: None. Clock revision changed.

#12 Changed power supply for SFP+ connector (J14) from power rail "3.#12 Changed power supply for SFP+ connector (J14) from power rail "3.3V_PCI" to power rail "3.3V_PER".

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Impact: None. CPLD firmware reflects it but customer firmware needs to be checked/adapted by customer.

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#14 Changed ESD protection diode (U11, U20, U49 ... U51) from ESD3V3U4ULC E6327 to CPDA10R3V3U-HF.

Type: Schematic Change

Reason: EOL of Component.

Impact: None.

#18 Connected all shield signals for connector (J7) together to net "FGND". Removed shield signals (J7) from net "F2GND". Removed capacitor (C261).

Type: Schematic Change

Reason: Harmonize with TEBF0818 series.

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Reason: Improve ESD protection.

Impact: None.

#21 Changed Fan F455B-05LD (M1) to Fan MF40060V2-1000U-A99 (MP1) and updated according mechanical screws

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, nuts, crimp contacts, and housing (JX1).

TypeType: BOM change

Reason:  EOL of Component.

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Reason: Use external pull-up resistor.

Impact: None.

#26 Added debounce circuit (R235,

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C211) for button (S1) and (R236, C213) for button (

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S2).

Type: Schematic Change

Reason: Improve button behaviour.

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Reason:BOM Optimization.

Impact: None.

#31 Changed power inductor (

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L2,

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L6,

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L13,

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L14) from 1 µH, 1.7 A, 55 mOhm to

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3.

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3 µH, 1.5 A, 162 mOhm.

Type: Schematic Change

Reason: Follow SFP+ recommendation.

Impact: None.

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#31 Changed

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power inductor (L8, L9, L11, L12) from 1 µH, 1.7 A, 55 mOhm to 4.7 µH, 1.5 A, 84 mOhm.

Type: Schematic Change

Reason: (???)

Impact: None.

#32 Changed capacitor (C121 ... C124, C179, C182, C185, C221 ... C223) from 100 nF, 6.3 V, X5R to 10 nF, 10 V, X7R.

Type: Schematic Change

Reason: Follow AMD recommendation.

Impact: None.

#33 Changed capacitor (C197, C200, C202, C203) from 100 nF, 6.3 V, X5R to 10 nF, 10 V, X7R.

Type: Schematic Change

Reason: Follow SATA recommendation.

Impact: None.

#34 Changed capacitor (C69, C70) from 100 nF, 6.3 V,

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0201 to

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220 nF,

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50 V,

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0402.

Type: Schematic Change

Reason: Follow AMD PCIe recommendation.

Impact: None.

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#35 Changed capacitor (

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C47, C50, C52, C57, C60, C62) from 470 nF, 6.3 V,

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0402 to

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100 nF, 10 V,

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0201.

Type: Schematic Change

Reason: Follow SATA SFP+ recommendation.

Impact: None.

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#36 Changed capacitor (

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C39, C82,

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C207) from

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4.7 µF, 6.3 V

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to 10 µF, 10 V.

Type: Schematic Change

Reason: Follow PCIe recommendationHarmonize with TEBF0818 series.

Impact: None.

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#37 Changed capacitor (

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C49,

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C51,

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C59, C61) from

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10 µF, 6.3 V,

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0603 to

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22 µF,

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25 V,

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0805.

Type: Schematic Change

Reason: Follow SFP+ recommendation.

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Reason: Follow SFP+ recommendation.

Impact: None.

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#35 Changed 10 µF capacitor (

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C13,

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C15) from

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6.3 V, 0603 to 10

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V,

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0402.

Type: Schematic Change

Reason:Harmonize with TEBF0818 series. (???)

Impact: None.

#37 Changed capacitor (

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C42, C67) from

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47 µF, 6.3 V,

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1206 to 22 µF, 25 V, 0805.

Type: Schematic Change

Reason:  Follow SFP+ recommendation.(???)

Impact: None.

#37 Changed capacitor (C72, C73) from 100 µF, 6.3 V, 20 % to 22 µF, 25 V, 10 %.

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Reason: Increased voltage rating.

Impact: None.

#38 Changed 33 Ohm resistor (R112, R128, R151, R168, R189) from 63 mW, 0402 to 50 mW, 0201.

Type: Schematic Change

Reason: (???)

Impact: None.

#38 Changed resistor (R40) from 4.99 kOhm to 0 Ohm.

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Reason: Harmonize with TEBF0818 series.

Impact: None.

#41 Changed pull-up resistor (R18, R21, R87, R113, R114, R115, R121

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... R123) from 4.99 kOhm to 7.5 kOhm.

Type: Schematic Change

Reason: Harmonize with TEBF0818 series.

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Reason: Improve power quality.

Impact: None.

#45 Added additional decoupling capacitor (C244, C254, C262, C263,

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 C281 ... C287).

Type: Schematic Change

Reason: Improve power supply.

Impact: None.

#45 Added termination resistor (R277 ... R292).

Type: Schematic Change

Reason: Improve signal integrity for FireFly connector (J6, J21).

Impact: None.

#46 Set capacitor (C16, C17) to not fitted.

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Reason: Harmonize with TEBF0818 series.

Impact: None.

#47 Set resistor (R98,

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R181, R198) as not fitted.

Type: Schematic Change

Reason: Harmonize with TEBF0818 series.

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Reason: Harmonize with TEBF0818 series.

Impact: None.

#49 Changed net name from "

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5VSBIN" to "

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5VSB".

Type: Schematic Change

Reason: Harmonize with TEBF0818 series.

Impact: None.

#50 Changed net name from "

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3.3V_MOD" to "

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VCC_MOD".

Type: Schematic Change

Reason: Harmonize with TEBF0818 series.

Impact: None.

#51 Added testpoint (TP14, TP16, TP17,

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 TP20 ...

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TP25).

Type: Schematic Change

Reason: Voltage and system monitoring improvement. (???)

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Reason: Required for export to UK.

Impact: None.

#58

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Changed fiducials to standard fiducial type.

Type: Documentation UpdateSchematic Change

Reason: Documentation improvementUse standard fiducials.

Impact: None.

#59 Updated

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schematic sheet from template.

Type: Documentation Update

Reason: Documentation improvement.

Impact: None.

#60 Added legal notices, power overview, I2C address table, and

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power voltage range table. Updated block diagram and revision history. Updated page count and order. 

Type: Documentation Update

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