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TRS3232EQPWRQ1

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Texas Instruments RS232 ICs, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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TRS3232EQPWRQ1

Texas Instruments · RS232 ICs · TSSOP-16

TRS3232EQPWRQ1 from Texas Instruments, in a TSSOP-16. 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 C1+ passive Positive terminal of charge-pump capacitor 1; a 0.1 µF (VCC=3.3 V) or 0.047 µF (VCC=5 V) external capacitor is connected between C1+ and C1- for the charge-pump.
2 V+ power_out Charge-pump generated positive output supply; absolute maximum voltage range -0.3 V to 7 V, and V+ minus V- must not exceed 13 V.
3 C1- passive Negative terminal of charge-pump capacitor 1, paired with C1+ for the first charge-pump stage.
4 C2+ passive Positive terminal of charge-pump capacitor 2 (voltage-inversion stage); a 0.1 µF (VCC=3.3 V) or 0.33 µF (VCC=5 V) external capacitor is connected between C2+ and C2-.
5 C2- passive Negative terminal of charge-pump capacitor 2, paired with C2+ for the voltage-inversion stage.
6 V- power_out Charge-pump generated negative output supply; absolute maximum voltage range 0.3 V to -7 V.
7 DOUT2 output Driver 2 RS-232-level output; VOH=5 V typ (5.4 V max) and VOL=-5 V typ (-5.4 V max) into RL=3 kΩ, output voltage range -13.2 V to 13.2 V, short-circuit current limited to ±60 mA max, ESD protected to ±15-kV HBM and ±15-kV IEC61000-4-2 air-gap discharge (±8-kV contact discharge).
8 RIN2 input Receiver 2 RS-232-level input; accepts an input voltage of -25 V to 25 V, input resistance 3 kΩ to 7 kΩ, positive-going threshold 1.5-2.4 V and negative-going threshold 0.6-1.5 V depending on VCC, ESD protected to ±15-kV HBM and ±15-kV IEC61000-4-2 air-gap discharge (±8-kV contact discharge).
9 ROUT2 output Receiver 2 logic-level output; VOH=VCC-0.1 V (min VCC-0.6 V) at IOH=-1 mA, VOL=0.4 V max at IOL=1.6 mA.
10 DIN2 input Driver 2 logic-level input; VIH=2 V min at VCC=3.3 V or 2.4 V min at VCC=5 V (up to 5.5 V), VIL=0.8 V max, input current ±1 µA max.
11 DIN1 input Driver 1 logic-level input; VIH=2 V min at VCC=3.3 V or 2.4 V min at VCC=5 V (up to 5.5 V), VIL=0.8 V max, input current ±1 µA max.
12 ROUT1 output Receiver 1 logic-level output; VOH=VCC-0.1 V (min VCC-0.6 V) at IOH=-1 mA, VOL=0.4 V max at IOL=1.6 mA.
13 RIN1 input Receiver 1 RS-232-level input; accepts an input voltage of -25 V to 25 V, input resistance 3 kΩ to 7 kΩ, positive-going threshold 1.5-2.4 V and negative-going threshold 0.6-1.5 V depending on VCC, ESD protected to ±15-kV HBM and ±15-kV IEC61000-4-2 air-gap discharge (±8-kV contact discharge).
14 DOUT1 output Driver 1 RS-232-level output; VOH=5 V typ (5.4 V max) and VOL=-5 V typ (-5.4 V max) into RL=3 kΩ, output voltage range -13.2 V to 13.2 V, short-circuit current limited to ±60 mA max, ESD protected to ±15-kV HBM and ±15-kV IEC61000-4-2 air-gap discharge (±8-kV contact discharge).
15 GND power_in Ground reference for the device; all voltages are specified with respect to this network GND pin, and GND is one of the serial-port connection pins protected to ±15-kV IEC ESD.
16 VCC power_in Supply voltage input; recommended operating range 3 V to 5.5 V (3.3 V ±0.3 V or 5 V ±0.5 V), absolute maximum -0.3 V to 6 V, typical supply current 0.3 mA (1 mA max) with no load.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: TRS3232EQPWRQ1
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: trs3232eqpwrq1-etched.step / trs3232eqpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trs3232eqpwrq1.step / trs3232eqpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (15 pp, sha256 18e2985160510f66, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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