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TPS3705-50DGN

Public Made by Adom

by adom

Texas Instruments Supervisor And Reset ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS3705-50DGN

Texas Instruments · Supervisor And Reset ICs · MSOP-8

TPS3705-50DGN from Texas Instruments, in a MSOP-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 RESET output Active-low reset output that goes low at power-up once VDD exceeds 1.1 V and again whenever VDD falls below the threshold VIT-.
2 WDO output Watchdog timer output, used by the TPS3705-xx integrated watchdog function.
3 MR input Manual reset input; the datasheet specifies VIH of at least 0.7 × VDD, VIL of at most 0.3 × VDD, and an input rise/fall rate of at most 100 ns/V for MR or WDI.
4 VDD power_in Supply voltage, recommended range 2 V to 6 V, with an absolute maximum of 7 V referenced to GND.
5 GND power_in Ground reference; all voltage values in the datasheet are specified with respect to GND.
6 PFI input Power-fail comparator input, with a voltage range of -0.3 V to VDD + 0.3 V.
7 PFO output Power-fail comparator output that signals a power-fail or low-battery warning.
8 WDI input Watchdog timer input; the datasheet specifies VIH of at least 0.7 × VDD, VIL of at most 0.3 × VDD, and an input rise/fall rate of at most 100 ns/V for WDI.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package MSOP-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: TPS3705-50DGN
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: tps3705-50dgn-etched.step / tps3705-50dgn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps3705-50dgn.step / tps3705-50dgn.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 367028df3788682f, retrieved 2026-10-10, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF