TPS3837L30DBVT Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Texas Instruments TPS3837L30DBVT is a NanoPower voltage supervisor and reset IC with a fixed 3.0 V threshold, single-channel monitoring, and ultra-low quiescent current in a 5-pin SOT-23 surface-mount package. Ideal for power-rail supervision in battery-powered and low-energy embedded systems.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- TPS3837L30DBVT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1447(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS3837L30DBVT?
- Fixed 3.0 V threshold voltage supervision with no external resistors
- NanoPower ultra-low quiescent current for battery life extension
- Single-channel voltage monitor with reset output
- Compact 5-pin SOT-23 package for space-constrained designs
- RoHS-compliant Pb-free construction (JESD-609 e4)
- Non-adjustable threshold simplifies design and reduces BOM
What is TPS3837L30DBVT used for?
The TPS3837L30DBVT is used in battery-powered IoT sensor nodes, wearables, and wireless modules where monitoring a 3.0 V supply rail with minimal quiescent current draw is essential to extend battery life beyond 1 year on coin cells. It also fits low-power microcontroller reset supervision in smart meters, medical patches, and energy harvesting designs where every microampere of standby current is critical.
What are the specifications of TPS3837L30DBVT?
| YTEOL | 0 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 1.6V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +2.64V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TPS3837L30DBVT datasheet?
TPS3837L30DBVT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS3837L30DBVT?
Compatible alternatives and drop-in replacements for TPS3837L30DBVT:
Frequently Asked Questions
At what voltage does the TPS3837L30DBVT assert its reset output?
The TPS3837L30DBVT monitors a supply rail and asserts its reset signal when the voltage drops below the fixed 3.0 V threshold. This fixed threshold eliminates the need for external voltage divider resistors, reducing BOM cost and component count on constrained PCBs in battery-powered designs using 3.0 V regulated supplies.
How does the NanoPower quiescent current of this supervisor benefit IoT battery-powered designs?
Operating with nanowatt-level quiescent current (typically in the range of 300 nA or less), the TPS3837L30DBVT draws negligibly small standby current from a coin cell or AA battery. In an IoT node sleeping for 99% of its duty cycle, a supervisor consuming under 1 µA adds only minimal drain, extending battery lifetime by months compared to older supervisors drawing 10 µA to 50 µA.
Which 5-pin SOT-23 pin functions does the TPS3837L30DBVT use, and how does it connect to a microcontroller?
The 5-pin SOT-23 package carries VCC (supply input), GND, and a RESET output pin that connects directly to the active-low reset input of a microcontroller. No additional passive components are required for basic operation. The compact 2.9 mm x 1.6 mm SOT-23 footprint allows placement within a few millimeters of the MCU reset pin, minimizing trace inductance.
Can this supervisor monitor a 3.0 V rail in a system where supply voltage briefly dips to 2.8 V during load transients?
Yes. When the supply dips below 3.0 V — for example to 2.8 V during a 50 mA load step on an LDO — the TPS3837L30DBVT asserts its reset output with a short internal reset timeout (typically 200 ms), ensuring the microprocessor is held in reset long enough for the supply to recover and stabilize above 3.0 V before code execution resumes, preventing corrupt firmware operation.
How does TPS3837L30DBVT compare in size to SOIC-8 supervisors for a space-constrained PCB?
The 5-pin SOT-23 package occupies approximately 2.9 mm x 1.6 mm versus a standard SOIC-8 footprint of about 5 mm x 4 mm. This roughly 4x reduction in PCB area makes the TPS3837L30DBVT the preferred choice for wearable devices, hearing-aid electronics, and miniaturized sensor modules where total board area is under 1 cm² and single-function supervisors in the smallest available package minimize unused board space.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.9808 | $2.98 |
| 3+ | $2.2356 | $6.71 |
| 12+ | $1.7514 | $21.02 |
| 50+ | $1.2512 | $62.56 |
| 150+ | $1.1980 | $179.70 |
| 250+ | $1.1447 | $286.18 |
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