Overview
The TPD1E10B09DPYR is a single-channel ESD (Electrostatic Discharge) protection device manufactured by Texas Instruments. This device is designed to provide robust system-level ESD protection for I/O interfaces, ensuring the integrity and reliability of sensitive electronic components. The TPD1E10B09DPYR features a back-to-back diode architecture, which supports bidirectional signal lines and is suitable for applications requiring high-speed data transmission and low capacitance.
With its industry-standard 0402 package size, this device is ideal for space-constrained designs, making it a valuable component in various electronic systems, including mobile devices, wearables, and other portable electronics.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Reverse Stand-off Voltage (VRWM) | - | - | 9 | V |
| Break-down Voltage (VBR) | 9.5 | - | - | V |
| Clamp Voltage (VClamp) @ 1 A | - | - | 13 | V |
| Peak Pulse Current (IPP) 8/20 µs | - | - | 4.5 | A |
| I/O Capacitance (CIO) | - | 10 | - | pF |
| Dynamic Resistance (RDYN) | - | 0.5 | - | Ω |
| Leakage Current (ILEAK) | - | - | 100 | nA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Size | - | - | 1 mm x 0.6 mm x 0.5 mm | - |
Key Features
- Provides system-level ESD protection up to ±20 kV (air-gap and contact discharge) according to IEC 61000-4-2 Level 4.
- Supports surge protection up to 4.5 A (8/20 µs) as per IEC 61000-4-5.
- Low I/O capacitance of 10 pF, suitable for high-speed data lines up to 500 Mbps.
- Ultra-low leakage current of 100 nA maximum.
- Low dynamic resistance of 0.5 Ω typical.
- Bidirectional ESD protection, making it suitable for GPIO and audio lines.
- Industrial temperature range of -40°C to 125°C.
- Space-saving 0402 package size.
Applications
- End equipment: Tablets, remote controllers, wearables, set-top boxes, electronic point of sale (EPOS), and eBooks.
- Interfaces: Audio lines, push-buttons, and general-purpose input and output (GPIO).
- High-speed data interfaces: USB 3.2, HDMI 2.1, PCIe Gen4, and other high-speed data transmission applications.
- Portable electronic devices: Smartphones, laptops, and other mobile equipment.
Q & A
- What is the primary function of the TPD1E10B09DPYR?
The primary function of the TPD1E10B09DPYR is to provide system-level ESD protection for I/O interfaces.
- What are the ESD protection levels of the TPD1E10B09DPYR?
The device provides ESD protection up to ±20 kV (air-gap and contact discharge) according to IEC 61000-4-2 Level 4.
- What is the typical I/O capacitance of the TPD1E10B09DPYR?
The typical I/O capacitance is 10 pF.
- What is the dynamic resistance of the TPD1E10B09DPYR?
The dynamic resistance is typically 0.5 Ω.
- What is the operating temperature range of the TPD1E10B09DPYR?
The operating temperature range is -40°C to 125°C.
- What package size does the TPD1E10B09DPYR come in?
The device comes in an industry-standard 0402 package size (1 mm x 0.6 mm x 0.5 mm).
- What types of applications is the TPD1E10B09DPYR suitable for?
The device is suitable for various applications including audio lines, push-buttons, GPIO, and high-speed data interfaces like USB 3.2 and HDMI 2.1.
- Does the TPD1E10B09DPYR require any power supply?
No, the TPD1E10B09DPYR is a passive TVS diode-based ESD protection device and does not require any power supply.
- What is the leakage current of the TPD1E10B09DPYR?
The leakage current is 100 nA maximum.
- How should the TPD1E10B09DPYR be placed on the PCB for optimal performance?
The diode should be placed very close to the external connector, with pin 1 over the protected signal line and a thick, short trace from pin 2 to ground.
