component
TPS3306-18QDRQ1
Public Made by Adomby adom
Texas Instruments Supervisor And Reset ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownTPS3306-18QDRQ1
Texas Instruments · Supervisor And Reset ICs · SOIC-8
TPS3306-18QDRQ1 from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | SENSE1 | input | Sense voltage 1 input, monitored against its threshold VIT (2.93 V typ for the TPS3306-18), and RESET is held active while it stays below VIT. |
| 2 | SENSE2 | input | Sense voltage 2 input, monitored against its threshold VIT (1.68 V typ for the TPS3306-18), with a recommended input range of 0 to (VDD + 0.3) × VIT/1.25 V. |
| 3 | PFI | input | Power-fail comparator input, compared against the internal 1.25 V (typ) reference, with an input range of 0 to VDD + 0.3 V. |
| 4 | GND | power_in | Ground reference; all device voltage values are specified with respect to GND. |
| 5 | RESET | output | Active-low reset output with open-drain drive, asserted during power-up, when a SENSEn input is below VIT, or on watchdog time-out, with a maximum low output current of 5 mA. |
| 6 | PFO | output | Power-fail comparator output with open-drain drive that goes low when PFI falls below 1.25 V (typ), with a maximum low output current of 5 mA. |
| 7 | WDI | input | Watchdog timer input that must toggle within the 0.8 s time-out (tt(out) 0.5 s to 1.2 s) to prevent a reset, and leaving it unconnected disables the watchdog. |
| 8 | VDD | power_in | Supply voltage input, specified at 2.7 V to 6 V with an absolute maximum of 7 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
TPS3306-18QDRQ1 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
tps3306-18qdrq1-etched.step/tps3306-18qdrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps3306-18qdrq1.step/tps3306-18qdrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (17 pp, sha256
eef613f38c3d1330, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).