TPS37A010122DSKR Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
TPS37A010122DSKR is a dual-channel under/overvoltage supervisor IC from Texas Instruments with adjustable thresholds, 2 monitoring inputs, and a compact 10-pin SOT-23 no-lead package. Available in stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 11
- Lifecycle
- ACTIVE
- Datasheet
- TPS37A010122DSKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1910(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel under/overvoltage supervision monitors 2 independent supply rails simultaneously in a single 10-pin package
- Fully adjustable threshold resistor network enables precise voltage window detection for any rail voltage
- Active-low open-drain output with programmable reset delay prevents false resets during supply ramp-up sequences
- 10-pin WSON no-lead package with 1.5 mm x 2 mm footprint minimizes PCB area in space-constrained designs
Applications
TPS37A010122DSKR is used in multi-rail power management systems to monitor 2 supply voltages simultaneously and assert a reset or fault signal when either voltage falls outside the programmed window. Its adjustable threshold pins allow monitoring of 1.8 V, 3.3 V, 5 V, or any custom rail by choosing appropriate external resistor dividers. The device is suited for industrial microcontroller systems, communications equipment, and battery-powered IoT nodes where detecting both undervoltage and overvoltage faults on 2 channels is required for safe startup and fault protection.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | UNDER/OVERVOLTAGE SUPERVISOR |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e4 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC10,.1,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 0.0026mA |
| Supply Voltage-Max (Vsup) | 65V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 16V |
| 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 | +0.8V |
| 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
Compatible alternatives and drop-in replacements for TPS37A010122DSKR:
Texas Instruments Overvoltage Detector, Adjustable, 2 Channel, +0.8V, PDSO10
Frequently Asked Questions
How many supply rails can TPS37A010122DSKR monitor simultaneously and what fault types does it detect?
TPS37A010122DSKR monitors 2 independent supply rails simultaneously, detecting both undervoltage and overvoltage conditions on each channel. The adjustable threshold inputs allow setting a precise voltage window for each rail using external resistor dividers, and the device asserts a fault output when any monitored voltage moves outside its programmed 2-channel window, protecting downstream processors and analog circuits from operating outside safe supply limits.
What external components are needed to set the voltage monitoring threshold for TPS37A010122DSKR?
Setting a monitoring threshold on TPS37A010122DSKR requires 2 external resistors per channel forming a resistor divider between the supply rail and the threshold input pin. For example, monitoring a 3.3 V rail with a 10% window uses a 100 kΩ and 33 kΩ divider to set the nominal threshold at the internal 1.2 V reference level. No capacitors or active components are required for basic threshold setting, keeping the total BOM for 2-channel monitoring to 4 resistors plus the IC.
What package does TPS37A010122DSKR use and how does it compare to similar supervisors in larger packages?
TPS37A010122DSKR is housed in a 10-pin WSON no-lead package measuring approximately 1.5 mm x 2 mm with 0.5 mm pin pitch, which is significantly smaller than 8-pin SOT-23 or 14-pin SOIC supervisors. This compact footprint enables the 2-channel overvoltage and undervoltage supervisor to fit in space-constrained IoT and wearable designs, while the no-lead construction provides better thermal and electrical performance than leaded alternatives at the same power level.
How does TPS37A010122DSKR handle supply ramp-up to avoid false reset assertions during power-on?
TPS37A010122DSKR includes a programmable reset timeout delay that holds the fault output asserted for a defined period after the monitored supply crosses its threshold, typically configurable from 1 ms to several hundred milliseconds using an external capacitor on the delay pin. This prevents false system resets caused by normal power supply ramp rates slower than 10 V/ms, ensuring the 2 monitored rails have fully stabilized before the supervisor releases the reset signal to downstream microcontrollers or FPGAs.
Related Guides
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $1.4660 | $146.60 |
| 500+ | $1.3060 | $653.00 |
| 1000+ | $1.1910 | $1191.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”