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Texas Instruments TPS3839K33DQNT — Power Management (PMIC / Gate Driver)

TPS3839K33DQNT TI Simple Reset/Power-On Reset

MPNTPS3839K33DQNT
Active

Texas Instruments TPS3839K33DQNT, Simple Reset/Power-On Reset IC, 2.93V threshold, active-low push-pull output, 120ms minimum reset timeout, 4-X2SON (1x1 mm) package, -40°C to 85°C operating temperature.

$1.2300Ref. price · indicative, final on quote
Texas Instruments TPS3839K33DQNT datasheet (PDF)
Packaging4-XDFN Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TPS3839K33DQNT specifications
ParameterValue
TypeSimple Reset/Power-On Reset
MountingSurface Mount
Voltage - threshold2.93V
Number of voltages monitored1
Operating temperature-40°C~85°C(TA)
ResetActive Low
OutputPush-Pull, Totem Pole
PackageTape & Reel (TR); Cut Tape (CT)
Reset timeout120ms Minimum
Case4-XDFN Exposed Pad

Product details

2.93V threshold supervisor in a 1x1 mm package

The TPS3839K33DQNT is a Texas Instruments Simple Reset/Power-On Reset IC that monitors a single 2.93V supply rail and asserts an active-low reset signal when the voltage drops below that threshold. The push-pull output drives the reset line directly without an external pull-up resistor, saving one component per rail.

Package and footprint: 4-X2SON with exposed pad

Housed in a 4-X2SON package measuring 1x1 mm, the TPS3839K33DQNT fits into space-constrained designs such as sensor modules, wearables, and compact IoT nodes. The small body means the part is sensitive to solder-paste volume; a stencil aperture matching the pad dimensions prevents tombstoning.

The part is ROHS3 compliant.

Frequently asked questions

Is TPS3839K33DQNT obsolete?

No. Texas Instruments lists the product status as Active. No PCN or EOL notice has been issued. The part can be sourced through standard distribution without last-time-buy pressure.

What is the difference between TPS3839K33DQNT and TPS3839K33DQNR?

The two suffixes indicate different packaging options: 'T' typically denotes tape-and-reel, while 'R' may denote a different reel quantity or packaging variant. The electrical specifications — threshold voltage, reset timeout, output type, package — are identical. Confirm the specific reel quantity with your distributor.

What is the closest functional equivalent to TPS3839K33DQNT?

The TLV803EA29VDBZR is a similar Simple Reset/Power-On Reset from Texas Instruments with a 2.93V threshold and active-low output, but it uses an open-drain output stage (requires an external pull-up) and has a 130ms minimum timeout. The TPS3839K33DQNT's push-pull output saves the pull-up resistor. Both are active and share the same package family, but the output driver difference affects the BOM.

Is TPS3839K33DQNT RoHS compliant?

Yes, it is ROHS3 compliant.