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Part Number: DP83822H
When testing DP83822 for PMD compliance testing, it may be required to adjust the swing level of the device if the levels are outside the range. A first check would be to ensure the schematic and layout design are the most optimal…
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USB Protection
Highlights:
USB Type-CTM has a 24-pin connector that can support USB 3 .1 Gen2, DisplayPort, HDMI, and a variety of other alternate modes:
SuperSpeed USB lines for USB 3 .1 Gen2 (Tx1+, Tx1–, Rx1…
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UART Protection
Highlights:
Lower speed serial data transfer interface
Operating lines: GND, ±TX, ±RX
Datalines (±Tx, ±Rx) Operating voltage: 3.3V, recommended Vbr > 3.6V
Data rates up to 5Mbps
TI…
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RS232 and RS485 Protection
Highlights:
RS-485 – Industry standard protocol for data transfer from sensors, etc.
Drive capability of minimum 32 unit loads (UL, 12kΩ)
Uses two signal lines A & B which must be balanced…
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PCIe Protection
Highlights:
PCIe: High speed serial bus expansion standard
Slots come in different sizes: x1, x4, x8, x16, x32, x64
Each lane has two differential signaling pairs (Tx, Rx)
PCIe Gen 5 bandwidth…
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LIN Protection
Highlights:
LIN: Single ended data transfer interface
LIN clusters consist of 1 master and up to 16 slave nodes
Construction: One wire for data transfer + ground
Bidirectional configuration is…
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I2C Protection
Highlights:
2 Lines to Protect
Low Capacitance required to minimize signal interference
Speeds up to 5Mbps
TI Products Recommendations
Working Voltage (V)
IEC 61000-4-2 ESD…
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Human-Machine Interface (HMI) Protection
Highlights:
Protection needed for interfaces exposed to human contact
Pushbuttons
Keypads
Touchscreens
Any other points of frequent contact
Operating Voltage…
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HDMI Protection
Highlights:
High speed media, data transfer interface with 6 control lines & 8 data lines
Operating voltage:
For each data and control line, 3.3V and 5V respectively
This requires a protection…
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GPIO Protection
Highlights:
Operating Lines: I/Os
Dataline operating voltage: 1.8 - 3.3 V, recommended breakdown > 3.6 V
Capacitance is not a huge concern < 30 pF
Multi-channel recommended for multiple I/Os…
