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Texas Instruments TPD1E10B09QDPYRQ1
- Part No.:
- TPD1E10B09QDPYRQ1
- Manufacturer:
- Texas Instruments
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
TPD1E10B09QDPYRQ1.pdf
- Description:
- TVS DIODE 9VWM 14VC 2X1SON
- Quantity:
- Payment:
- Shipping:
Inventory:33,786
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Product details
Overview
TPD1E10B09QDPYRQ1 from Texas Instruments is an AEC-Q101-qualified, bidirectional ESD protection TVS diode in a 2-pin X1SON (DPY) 0402 package, delivering ±20-kV IEC 61000-4-2 contact/air-gap ESD immunity, 10-pF I/O capacitance, 0.5-Ω dynamic resistance, and 13-V clamping voltage at 1-A transient current - deployed on audio lines, GPIO, and memory interfaces in automotive head units and camera modules.
For engineers reviewing the TPD1E10B09QDPYRQ1 datasheet, TPD1E10B09QDPYRQ1 pinout, TPD1E10B09QDPYRQ1 application, or TPD1E10B09QDPYRQ1 equivalent, key selection considerations include bidirectional clamping for ±9-V signal rails, ultra-low leakage (≤100 nA), automotive-grade thermal range (–40°C to +125°C), and compatibility with 500-Mbps data rates due to its 10-pF capacitance.
Technical Context
The TPD1E10B09QDPYRQ1 implements a back-to-back diode architecture enabling symmetrical ±9.5-V DC breakdown and bidirectional clamping, supporting signals ranging from –9 V to +9 V without forward conduction during normal operation. Its low 0.5-Ω RDYN ensures minimal voltage overshoot during fast transients.
It operates as a passive clamp: below 9-V reverse standoff voltage (VRWM), it presents only 10-pF capacitive loading and ≤100-nA leakage; above 9.5-V breakdown, it activates to divert ESD/surge energy to GND with clamping voltages of 13 V (at 1 A) and 20 V (at 4.5 A), per IEC 61000-4-5 8/20-µs surge testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±20-kV contact & air-gap - meets Level 4 system-level ESD immunity for automotive interfaces |
| I/O Capacitance | 10 pF at 2.5 V / 1 MHz - supports clean signal integrity up to 500 Mbps on audio/GPIO lines |
| Clamping Voltage | 13 V at 1-A IPP (8/20 µs) - limits stress on downstream ICs during ESD events |
| Dynamic Resistance | 0.5 Ω - minimizes voltage drop across device during clamping, improving protection margin |
| DC Breakdown Voltage | ±9.5 V min - ensures no conduction under ±8-V audio signal swing (e.g., Class AB amplifier inputs) |
| Leakage Current | ≤100 nA at 5 V - preserves power budget in always-on automotive modules |
| Operating Temperature | –40°C to +125°C - qualified for under-hood and infotainment module deployment |
Pinout & Package
TPD1E10B09QDPYRQ1 uses the DPY (X1SON) 2-pin surface-mount package, measuring 1.0 mm × 0.6 mm with 0.45-mm max height - optimized for space-constrained automotive PCBs and compatible with standard 0402 placement equipment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IO) | I/O Terminal | Bidirectional protected signal line - connects directly to external connector or sensitive IC pin (e.g., audio IN) |
| 2 (GND) | Ground Reference | Low-inductance return path to system ground - requires short, wide trace to minimize clamping impedance |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use across –40°C to +125°C, including HBM ±2.5-kV and CDM ±1-kV robustness |
| IEC 61000-4-5 surge rating | Withstands 4.5-A negative / 5.5-A positive 8/20-µs surges - protects against load-dump-induced transients near connectors |
| ISO 10605 compliance | Rated for ±8-kV contact / ±15-kV air-gap discharge (330 pF, 330 Ω) - aligns with automotive OEM ESD test plans |
| Ultra-low capacitance | 10-pF typical - avoids high-frequency attenuation on audio and memory bus signals (e.g., SDIO, I²C) |
| Low clamping voltage | 13 V at 1-A transient - keeps protected ICs (e.g., audio amplifiers, microcontrollers) within safe operating area |
Applications
| Audio Line Protection | GPIO Interface Protection |
|---|---|
Use Scenario: Bidirectional analog audio paths between vehicle head unit and external amplifier or speaker interface. IC Role / Device Role / Timing Role: ESD transient suppressor placed at connector entry point, clamping ±20-kV discharges before reaching Class AB amplifier inputs. Use Value: 10-pF capacitance prevents audible distortion; 13-V clamping ensures amplifier input stays below absolute maximum ratings during ESD events. | Use Scenario: Push-button or sensor input lines in body control modules exposed to user touch and environmental ESD. IC Role / Device Role / Timing Role: Passive bidirectional clamp on microcontroller GPIO pins, activated only during overvoltage transients. Use Value: ≤100-nA leakage avoids battery drain in sleep mode; ±9.5-V breakdown accommodates pull-up/pull-down biasing schemes. |
| Camera Module Interface | Memory Bus Protection |
Use Scenario: High-speed MIPI CSI-2 or parallel video data lines connecting ADAS camera to domain controller. IC Role / Device Role / Timing Role: Signal-line TVS on differential or single-ended video traces, minimizing insertion loss (< –3 dB at 100 MHz). Use Value: 10-pF capacitance maintains signal integrity up to 500 Mbps; low RDYN reduces jitter induced by ESD-induced ground bounce. | Use Scenario: SD card or eMMC interface lines in telematics gateway exposed to hot-plug and handling ESD. IC Role / Device Role / Timing Role: Per-signal ESD clamp on CMD/DAT lines, placed adjacent to connector to limit stub length. Use Value: 0.5-Ω RDYN ensures fast response and low overshoot; 9-V VRWM allows compatibility with 3.3-V and 1.8-V I/O standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E05U06DPYR | Lower 6-V breakdown, 5.5-pF capacitance, non-automotive grade | Targeted at consumer portable devices; lacks AEC-Q101 qualification and ISO 10605 rating | Use where cost and capacitance are prioritized over automotive reliability requirements |
| ESD5Z3.3T5G | 3.3-V breakdown, 30-pF capacitance, ±17-kV IEC rating, SOD-523 package | Higher capacitance limits data rate suitability; smaller package increases layout sensitivity | Select when lower clamping voltage is critical and signal bandwidth < 100 Mbps |
Compared with TPD1E10B09QDPYRQ1, TPD1E05U06DPYR offers tighter capacitance but no automotive qualification, while ESD5Z3.3T5G provides lower clamping voltage at the expense of bandwidth and mechanical robustness - making TPD1E10B09QDPYRQ1 the optimal balance of speed, ruggedness, and automotive compliance.
Availability
TPD1E10B09QDPYRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera interfaces, and body electronics requiring stable component supply with full AEC-Q101 traceability and extended temperature support.
Supply support for TPD1E10B09QDPYRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company designing analog, embedded processing, and connectivity solutions for automotive, industrial, and personal electronics markets.
TPD1E10B09QDPYRQ1 belongs to TI's automotive-qualified ESD protection portfolio, engineered specifically for robust, low-capacitance transient suppression on high-speed and safety-critical signal lines in vehicles.
FAQ
What is the primary function of the TPD1E10B09QDPYRQ1 in an automotive circuit?
The TPD1E10B09QDPYRQ1 functions as a bidirectional ESD transient voltage suppressor, protecting sensitive automotive electronics - such as audio amplifiers, camera sensors, and microcontroller GPIOs - from ±20-kV IEC 61000-4-2 contact and air-gap discharges. It achieves this via a back-to-back diode structure that clamps transients to 13 V at 1-A peak current while adding only 10 pF of capacitance to the signal path. The TPD1E10B09QDPYRQ1 is designed for placement at board-level connectors to shunt ESD energy to ground before it reaches ICs.
Does the TPD1E10B09QDPYRQ1 require external power or biasing to operate?
No, the TPD1E10B09QDPYRQ1 is a passive TVS diode and requires no external power, biasing, or control signals. It operates solely based on voltage thresholds: below its 9-V reverse stand-off voltage (VRWM), it behaves as a 10-pF capacitor with ≤100-nA leakage; above ±9.5-V breakdown, it conducts to clamp transients. This self-activating behavior makes the TPD1E10B09QDPYRQ1 ideal for always-on automotive subsystems like body control modules and telematics gateways.
Can the TPD1E10B09QDPYRQ1 protect both analog and digital signal lines?
Yes, the TPD1E10B09QDPYRQ1 is validated for both analog and digital signal protection. Its 10-pF capacitance and low 0.5-Ω dynamic resistance preserve signal integrity on analog audio lines (20 Hz–20 kHz) and support data rates up to 500 Mbps on digital interfaces like I²C, SPI, and MIPI CSI-2. The ±9.5-V bidirectional breakdown accommodates common-mode swings in differential pairs and rail-to-rail signaling in GPIO and memory buses - confirmed in TI's application schematic for left/right audio channel protection using the TPD1E10B09QDPYRQ1.
How does the TPD1E10B09QDPYRQ1 differ from the non-automotive TPD1E10B09 variant?
The TPD1E10B09QDPYRQ1 is the AEC-Q101-qualified automotive version of the TPD1E10B09, with identical electrical specs (10-pF capacitance, ±9.5-V breakdown, 13-V clamping) but added validation for automotive reliability: extended temperature operation (–40°C to +125°C), ISO 10605 ESD testing (±8-kV contact / ±15-kV air), and enhanced process controls. The TPD1E10B09QDPYRQ1 also carries automotive-specific part marking (4N), tape-and-reel packaging (10,000 pcs/reel), and MSL Level-1 rating - all absent in the commercial TPD1E10B09.
What PCB layout practices maximize ESD protection effectiveness of the TPD1E10B09QDPYRQ1?
To maximize ESD protection, place the TPD1E10B09QDPYRQ1 as close as possible to the external connector - ideally with Pin 1 directly over the protected trace and Pin 2 connected to ground via the shortest, widest possible trace (≤2 mm). Avoid vias or stubs between the device and connector; route protected traces straight with rounded corners to reduce EMI coupling. TI's layout guidelines emphasize minimizing loop inductance in the clamping path, as excessive inductance raises clamping voltage and degrades protection - a critical factor confirmed in the TPD1E10B09QDPYRQ1's application note Figure 8-4.
TPD1E10B09QDPYRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 0402 (1006 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 14V (Typ)
- Current - Peak Pulse (10/1000µs):
- 6A (8/20µs)
- Power - Peak Pulse:
- 90W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 12pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-X1SON (1x.60)
TPD1E10B09QDPYRQ1 FAQ
1.How can I place an order for TPD1E10B09QDPYRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPD1E10B09QDPYRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPD1E10B09QDPYRQ1 reliable?
The price and inventory of TPD1E10B09QDPYRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPD1E10B09QDPYRQ1 is usually 5 days.
3.What payment methods are accepted for TPD1E10B09QDPYRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPD1E10B09QDPYRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPD1E10B09QDPYRQ1?
TPD1E10B09QDPYRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPD1E10B09QDPYRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPD1E10B09QDPYRQ1?
For technical support, including TPD1E10B09QDPYRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPD1E10B09QDPYRQ1 requirements.
6.How does Aetrix verify that TPD1E10B09QDPYRQ1 is sourced from the original manufacturer or authorized distributors?
All TPD1E10B09QDPYRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPD1E10B09QDPYRQ1 meets industry standards.
7.What is the process for return or replacement of TPD1E10B09QDPYRQ1?
All TPD1E10B09QDPYRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPD1E10B09QDPYRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPD1E10B09QDPYRQ1 part is unused and in its original packaging.
Return procedure for TPD1E10B09QDPYRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPD1E10B09QDPYRQ1 Tags
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