TPS3899PL31DSER Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
Texas Instruments TPS3899PL31DSER is a single-channel voltage supervisor and reset IC with push-pull output, fixed 3.1 V threshold, programmable reset delay, and manual reset input in a 6-pin WSON 1.5x1.5 mm package. Monitors supply rails in microcontroller and processor systems. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- TPS3899PL31DSER Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6279(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel voltage supervisor with fixed 3.1 V threshold and push-pull reset output for clean system reset generation
- Programmable reset delay allows customizable hold time after voltage recovery to ensure stable system initialization
- Manual reset input provides user or external hardware control to force system reset independent of voltage threshold events
Applications
The TPS3899PL31DSER is designed to monitor power supply voltage rails in microcontroller, DSP, and FPGA systems, asserting a reset signal when the monitored rail falls below the fixed 3.1 V threshold. Its programmable reset delay ensures the processor remains in reset long enough for supply voltage to fully stabilize after power-on or brownout events. The ultra-compact 6-pin WSON 1.5 mm x 1.5 mm package is ideal for space-constrained portable devices, IoT nodes, and wearable electronics requiring reliable power-on reset supervision.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | BAT BUP SW:N;MNL RST:Y;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 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | S-PDSO-N6 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC6,.06,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 0.012mA |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 0.85V |
| Supply Voltage-Nom (Vsup) | 1V |
| Surface Mount | YES |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +3.1V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the voltage threshold of TPS3899PL31DSER and how is the reset delay configured?
The TPS3899PL31DSER has a fixed 3.1 V undervoltage threshold, asserting a push-pull reset output when the monitored supply drops below this level. The reset delay after voltage recovery is programmable via an external capacitor on the CT pin, allowing the designer to set hold times from microseconds to hundreds of milliseconds to ensure the 3.1 V supply is fully stable before releasing the processor from reset.
Does the TPS3899PL31DSER support manual reset from an external signal or button?
Yes, the TPS3899PL31DSER includes a manual reset input (MR pin) that allows an external pushbutton or GPIO signal to assert the reset output independently of the 3.1 V voltage threshold monitor. The MR input provides a simple way to force system reset for firmware debug, factory test, or user-initiated restart without requiring additional logic in the 6-pin WSON package.
How does the 6-pin WSON 1.5x1.5 mm package of TPS3899PL31DSER benefit compact system designs?
The TPS3899PL31DSER is housed in a WSON package measuring only 1.5 mm x 1.5 mm, one of the smallest footprints available for a voltage supervisor IC. This ultra-compact size enables placement directly adjacent to the microcontroller reset pin on dense PCBs in wearable electronics, hearing aids, and IoT sensor nodes where board area is limited to a few square millimeters per IC.
When would TPS3899PL31DSER be chosen over a simple RC reset circuit for a 3.3 V microcontroller design?
A simple RC reset circuit cannot accurately detect brownout conditions where supply voltage droops slowly below 3.1 V without triggering an immediate reset. The TPS3899PL31DSER monitors the supply against a precise 3.1 V threshold with typically ±1.5% accuracy, ensuring the microcontroller resets reliably during brownouts as short as a few microseconds, while the programmable reset delay prevents false restarts from brief supply glitches.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.8520 | $213.00 |
| 500+ | $0.8191 | $409.54 |
| 1000+ | $0.8109 | $810.90 |
| 6000+ | $0.6433 | $3859.62 |
| 9000+ | $0.6360 | $5723.73 |
| 15000+ | $0.6279 | $9418.20 |
In Stock · 24h Response · Worldwide Shipping
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