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TPS3705-33D

TPS3705-33D TI Simple Reset/Power-On Reset, 2.93V Threshold

MPNTPS3705-33D
Active

Texas Instruments TPS3705-33D, Simple Reset/Power-On Reset, active low push-pull output, 2.93V threshold, 140ms minimum reset timeout, -40°C to 85°C, 8-SOIC surface-mount package.

$3.5800Ref. price · indicative, final on quote
Texas Instruments TPS3705-33D datasheet (PDF)
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TPS3705-33D 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
PackageTube
Reset timeout140ms Minimum
Case8-SOIC (0.154\", 3.90mm Width)

Product details

Supervisor for 3.3V rails — 2.93V threshold, push-pull reset

The TPS3705-33D is a single-channel voltage supervisor from Texas Instruments, designed to monitor a 3.3V supply rail and assert a reset signal when the voltage drops below 2.93V. The reset output is active low and push-pull (totem pole), so no external pull-up resistor is needed — it drives high or low directly. This part fits into the Power Management (PMIC / Gate Driver) category and is a straightforward choice for 3.3V microcontroller or DSP reset circuits.

Industrial temperature grade and SOIC reworkability

The 8-SOIC package (0.154" width, 3.90mm body) is a rework-friendly footprint — the leads are visible and accessible, so a hot-air station lifts the part cleanly without cooking adjacent components. No exposed pad means no thermal paste cleanup on the board.

Sourced per RFQ against your line-item quantity.

Frequently asked questions

Is TPS3705-33D active low or active high reset?

Active low. The reset output is asserted low when the supply voltage drops below the threshold, and it remains low during the 140ms timeout after recovery.

Does TPS3705-33D have push-pull output?

Yes, the output is push-pull (totem pole). It drives both high and low, so you do not need an external pull-up resistor to the supply rail.

When sourcing TPS3705-33D, what's the closest functional second-source — TLV803EA29VDBZR?

The TLV803EA29VDBZR is a similar simple reset supervisor from TI, but its output is open-drain (not push-pull) and it comes in a different package (SOT-23). The TPS3705-33D's push-pull output and 8-SOIC package are distinct; if you need a drop-in replacement, verify the output type and footprint first.