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Contents

README

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TPS79533DCQG4

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-6

TPS79533DCQG4 from Texas Instruments, in a SOT-223-6. 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 EN input Enable input: driving it high turns the regulator on and driving it low puts it in shutdown; VEN(HI) is 1.7 V minimum for the old chip and 0.85×VIN minimum for the new chip, VEN(LOW) is 0.7 V maximum for the old chip and 0.425 V maximum for the new chip, and EN can be tied to IN if shutdown is not needed.
2 IN power_in Regulator input supply: 2.7 V to 5.5 V for the old chip and 2.7 V to 6.0 V for the new chip, with absolute maximum VIN of 6 V (old chip) and 6.5 V (new chip), and a 1 µF input capacitor required on the new chip.
3 GND power_in Regulator ground, which must be connected to the ground plane and to the bypass capacitor ground returns.
4 OUT power_out Regulated output: 1 µF minimum ceramic output capacitor is required for stability, with absolute maximum VOUT of -0.3 V to 6 V and output current limited internally to 500 mA operating current.
5 NR passive On the old chip this is the noise-reduction pin for fixed-voltage versions, where an external capacitor of no more than 0.1 µF bypasses the internal bandgap noise; on the new chip it is listed as N/C (no internal connection).
6 GND power_in Pin 6 is the SOT-223 tab, which is electrically grounded and should be soldered to a large copper ground area for thermal performance.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-223-6
Category Power Management (PMIC)
Pins 6

CAD (KiCad official)

  • Symbol: TPS79533DCQG4
  • Footprint: Package_TO_SOT_SMD:SOT-223-6
  • 3D model: SOT-223-6 (KiCad packages3D, STEP)
  • 3D model files: tps79533dcqg4-etched.step / tps79533dcqg4-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps79533dcqg4.step / tps79533dcqg4.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (43 pp, sha256 62643c6f836d43b8, retrieved 2026-10-11, 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