component
TPTLV431BQDBZR
Public Unreviewedby Ray
TECH PUBLIC Voltage Reference, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads when scrolled away or the tab is hidden.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads when scrolled away or the tab is hidden.
PCB Footprint
Open full view ↗Loads on click. Unloads when scrolled away or the tab is hidden.
Datasheet
Open in new tab ↗Loads on click. Unloads when scrolled away or the tab is hidden.
README
markdownTPTLV431BQDBZR
TECH PUBLIC · Voltage Reference · SOT-23
TPTLV431BQDBZR from TECH PUBLIC, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | REF | input | Reference input pin. Compared internally to the ~1.24V bandgap reference; used with an external resistor divider between CATHODE and ANODE to set the cathode voltage (Vka = Vref*(1+R1/R2) + Iref*R1). Reference input current typ 0.7µA, max 4µA. |
| 2 | CATHODE | passive | Cathode (K) of the shunt regulator. Sinks the regulation current; Vka rated to 18V max, continuous cathode current range 0.1mA to 100mA (abs max -100 to +150mA). Dynamic impedance 0.05Ω typ. |
| 3 | ANODE | passive | Anode (A) of the shunt regulator. All voltages in the datasheet are referenced to this pin; typically tied to the low-side of the feedback divider / ground return. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOT-23 |
| Category | PMIC |
| Pins | 3 |
Ordering variants
Same part, different packaging or reel option.
TPTLV431BQDBZR
CAD (KiCad official)
- Symbol:
TPTLV431BQDBZR - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECH PUBLIC datasheet (5 pp, sha256
84693c4980b7f19d, retrieved 2026-08-17, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).