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Texas Instruments TPS3103K33DBVR — Power Management (PMIC / Gate Driver)

TI TPS3103K33DBVR Simple Reset/Power-On Reset

MPNTPS3103K33DBVR
Active

Texas Instruments TPS3103K33DBVR, Simple Reset/Power-On Reset, Active Low, Open Drain, SOT-23-6, 2.941V Threshold, 65ms Minimum Reset Timeout, -40°C~85°C.

$2.7000Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

TPS3103K33DBVR specifications
ParameterValue
TypeSimple Reset/Power-On Reset
MountingSurface Mount
Voltage - threshold2.941V
Number of voltages monitored1
Operating temperature-40°C~85°C(TJ)
ResetActive Low
OutputOpen Drain or Open Collector
PackageTape & Reel (TR); Cut Tape (CT)
Reset timeout65ms Minimum
CaseSOT-23-6

Product details

2.941 V threshold supervisor in a SOT-23-6

The open-drain output lets you wire-OR it with other reset sources or level-shift to a different logic voltage via an external pull-up resistor. Reset stays asserted for a minimum of 65 ms after the rail returns above threshold, giving the system oscillator and core logic time to stabilise.

Open-drain output — plan the pull-up

Because the output is open drain, the reset signal is actively pulled low but relies on an external resistor to pull it high when the condition clears. Pick the pull-up value so the rise time stays within the downstream reset input's requirements — a 10 kΩ resistor to the rail is a common starting point. The active-low polarity means the reset line is held low during power-up, brown-out, and manual reset events.

Single-voltage monitor, SOT-23-6 footprint

This part monitors one voltage rail — no multi-channel sequencing here. The SOT-23-6 package is a small, surface-mount footprint that fits on tight boards and is straightforward to hand-solder or reflow.

Frequently asked questions

Can TPS3103K33DBVR replace TPS3103K30DBVR?

Both are in the same TPS3103 family with the same pinout and function, but the threshold voltage differs. The TPS3103K33DBVR trips at 2.941 V, while the TPS3103K30DBVR has a different threshold. Check your rail's minimum operating voltage before swapping.