File:NVidia 1080 Ti reference PCB front.jpg
![File:NVidia 1080 Ti reference PCB front.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/NVidia_1080_Ti_reference_PCB_front.jpg/800px-NVidia_1080_Ti_reference_PCB_front.jpg?20230227205430)
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Summary
[edit]DescriptionNVidia 1080 Ti reference PCB front.jpg |
English: Reference layout of the nVidia 1080 Ti GPU, made by Zotac. Black PCB yields poor contrast. Darker areas on the PCB are caused by silicon oil seeping from thermal pads. Most markings in the VRM and memory area are difficult to read due to silicon oil residue as well. |
Date | |
Source | Own work |
Author | Phiarc |
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Annotations InfoField | This image is annotated: View the annotations at Commons |
NVVDD - core voltage VRM with seven phases
The VRM doesn't use integrated smart power stages but AOE6932 dual MOSFETs (Uds 30 V, Id 55 A and 85 A, respectively).
Gate drivers are TI TPS53603A which are likely a second-source for uPI uP1962.
The main controller is a uP1955P located on the back of the PCB.
FBVDD - 1.35V memory VRM with two phases
5 mOhm shunt resistor RS1
5 mOhm shunt resistor RS2
5 mOhm shunt resistor RS3 for PEG slot power
Micron D9VRL GDDR5X 8 Gbit VRAM
Micron D9VRL GDDR5X 8 Gbit VRAM
Micron D9VRL GDDR5X 8 Gbit VRAM
GP102-350-K1-A1 GPU
Die size 471 mm², 11.8 bn transistors, BGA2397
HB SLI connector
1.8V VRM
PEX/PLL 1.02V VRM
INA3221 triple channel voltage/current monitor
This monitors the PEG, PCIe1 and PCIe2 input voltages as well as the input currents through RS1-RS3.
A high integration part with an over-the-rail analog frontend, differential ADC and a digital I2C/SMBus interface.
1.8 Vpp VRM for memory
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:54, 27 February 2023 | ![]() | 13,497 × 6,259 (16.11 MB) | Phiarc (talk | contribs) | Uploaded own work with UploadWizard |
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