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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…
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FPD-Link Protection
Highlights:
FPD Link: Digital audio/video transfer protocol used in video screens or for driver assistance cameras in Automobiles, etc.,
Mode of operation: Single ended & differential mode
…
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Ethernet Protection
Highlights:
10 Mhz to 125 Mhz (10Mbps to 1Gbps)
Operating line voltage ranges from -3.1 to 3.1V
Recommended capacitance < 5 pF
TI Products Recommendations
Working Voltage…
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DisplayPort Protection
Highlights:
Data speeds up to 20Gbps
8 data lines, 20 total pins
3.3V, 500mA Input
Low capacitance required on data lines
Device
V RWM
Cap
(pF)
ESD(kV)…
