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Contents

README

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TRS202EIPWR

Texas Instruments · RS232 ICs · TSSOP-16

TRS202EIPWR from Texas Instruments, in a TSSOP-16. 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 C1+ passive Positive lead of the C1 charge-pump capacitor, which connects between C1+ and C1- (0.1 µF or 1 µF per the datasheet).
2 V+ power_out Positive charge-pump output for the storage capacitor only; absolute maximum is VCC - 0.3 V to 14 V.
3 C1- passive Negative lead of the C1 charge-pump capacitor, which connects between C1+ and C1-.
4 C2+ passive Positive lead of the C2 charge-pump capacitor, which connects between C2+ and C2-.
5 C2- passive Negative lead of the C2 charge-pump capacitor, which connects between C2+ and C2-.
6 V- power_out Negative charge-pump output for the storage capacitor only; absolute range is -14 V to 0.3 V.
7 DOUT2 output RS-232 line data output to the remote RS-232 system; outputs are protected against shorts to ground and the pin is rated ±15 kV HBM and ±8 kV IEC 61000-4-2 contact ESD.
8 RIN2 input RS-232 line data input from the remote RS-232 system; it accepts up to ±30 V and decodes inputs as low as ±3 V.
9 ROUT2 output Logic data output to the UART; it is rated VOH of 3.5 V minimum and VOL of 0.4 V maximum.
10 DIN2 input Logic data input from the UART; it requires VIH of 2 V minimum and VIL of 0.8 V maximum, and must not be left floating because there is no internal pull-up.
11 DIN1 input Logic data input from the UART; it requires VIH of 2 V minimum and VIL of 0.8 V maximum, and must not be left floating because there is no internal pull-up.
12 ROUT1 output Logic data output to the UART; it is rated VOH of 3.5 V minimum and VOL of 0.4 V maximum.
13 RIN1 input RS-232 line data input from the remote RS-232 system; it accepts up to ±30 V and decodes inputs as low as ±3 V.
14 DOUT1 output RS-232 line data output to the remote RS-232 system; outputs are protected against shorts to ground and the pin is rated ±15 kV HBM and ±8 kV IEC 61000-4-2 contact ESD.
15 GND power_in Ground; the datasheet asks for the lowest possible impedance from this pin to the board ground plane for best ESD performance.
16 VCC power_in Supply voltage, which must be 4.5 V to 5.5 V (5 V nominal) and bypassed to ground with at least 0.1 µF.

Key specifications

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

CAD (KiCad official)

  • Symbol: TRS202EIPWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: trs202eipwr-etched.step / trs202eipwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trs202eipwr.step / trs202eipwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 1780123e58555565, retrieved 2026-10-08, 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