PTLV840CADL28DBVR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Automotive-grade low-voltage supervisor with programmable reset time delay in a SOT-23 5-pin package. Operates across a wide supply range of 0.7 V to 6 V and meets automotive temperature requirements. Available from Texas Instruments with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- PTLV840CADL28DBVR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTLV840CADL28DBVR?
- Programmable reset delay time for customized startup sequencing without external RC networks
- Wide supply voltage range of 0.7 V to 6 V supporting diverse automotive battery and logic rails
- AEC-Q100 automotive temperature grade for reliable operation in harsh -40°C to 125°C environments
- Ultra-compact SOT-23 5-pin package minimizing PCB footprint in space-constrained automotive ECUs
What is PTLV840CADL28DBVR used for?
The PTLV840CADL28DBVR is designed for automotive electronic control units (ECUs), body control modules, and ADAS systems where reliable microcontroller reset supervision is critical during power-up sequences. Its programmable reset delay supports controlled startup timing across battery voltage variations from 0.7 V to 6 V, making it well-suited for start-stop systems and 12 V automotive environments.
What are the specifications of PTLV840CADL28DBVR?
| Date Of Intro | 2020-03-01 |
| YTEOL | 0 |
| Additional Feature | BAT BUP SW:N;MNL RST:N;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:Y;UV DET:N;WD:N;WWD:N |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 0.7V |
| Temperature Grade | AUTOMOTIVE |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PTLV840CADL28DBVR datasheet?
PTLV840CADL28DBVR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTLV840CADL28DBVR?
Compatible alternatives and drop-in replacements for PTLV840CADL28DBVR:
Frequently Asked Questions
What supply voltage range does the PTLV840CADL28DBVR support in automotive systems?
The PTLV840CADL28DBVR operates across a wide supply voltage range of 0.7 V to 6 V, covering 3.3 V and 5 V logic rails common in automotive ECUs. This broad range ensures reliable supervisor operation even during cold-crank or load-dump transient conditions on a 12 V vehicle bus.
How does the programmable reset delay benefit automotive microcontroller startup sequences?
The adjustable reset time delay allows designers to set a hold-off period—often tens of milliseconds to hundreds of milliseconds—so the microcontroller power rail stabilizes fully before reset is released. This eliminates spurious resets in automotive ECUs where capacitor charge time and rail sequencing can vary across a 0.7 V to 6 V supply range.
Is the PTLV840CADL28DBVR qualified for harsh automotive temperature environments?
Yes, the device carries an automotive temperature grade (AEC-Q100-compliant), ensuring specified operation from -40°C to 125°C. This qualification makes it suitable for under-hood applications such as engine control units, transmission controllers, and ADAS modules exposed to extreme thermal cycling.
For a compact automotive design, how much board space does the SOT-23 5-pin package require?
The SOT-23 5-pin package occupies approximately 1.6 mm × 2.9 mm of PCB area, making it one of the smallest footprints available for a voltage supervisor. This compact size is ideal for body control modules and infotainment systems where every square millimeter of PCB real estate counts.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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