component
TRS3232EIRGTR
Public Made by Adomby adom
Texas Instruments RS232 ICs, VQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTRS3232EIRGTR
Texas Instruments · RS232 ICs · VQFN-16(3x3)
TRS3232EIRGTR from Texas Instruments, in a VQFN-16(3x3). 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 | Negative terminal of external 0.1µF capacitor C1 for charge pump |
| 2 | C2+ | passive | Positive terminal of external 0.1µF capacitor C2 for charge pump |
| 3 | C2- | passive | Negative terminal of external 0.1µF capacitor C2 for charge pump |
| 4 | V- | power_out | Negative charge pump output voltage, range 0.3V to -7V for external storage capacitor |
| 5 | DOUT2 | output | RS-232 driver 2 output to remote system, output voltage ±13.2V maximum |
| 6 | RIN2 | input | RS-232 receiver 2 input from remote system, accepts ±25V input |
| 7 | ROUT2 | output | Receiver 2 logic data output to UART microcontroller |
| 8 | DIN2 | input | Driver 2 logic data input from UART microcontroller |
| 9 | DIN1 | input | Driver 1 logic data input from UART microcontroller |
| 10 | ROUT1 | output | Receiver 1 logic data output to UART microcontroller |
| 11 | RIN1 | input | RS-232 receiver 1 input from remote system, accepts ±25V input |
| 12 | DOUT1 | output | RS-232 driver 1 output to remote system, output voltage ±13.2V maximum |
| 13 | GND | power_in | Ground reference voltage for all circuit functions |
| 14 | VCC | power_in | Power supply input, 3.0V to 5.5V DC (can interoperate with 2.7V systems) |
| 15 | V+ | power_out | Positive charge pump output voltage, range -0.3V to 7V for external storage capacitor |
| 16 | C1+ | passive | Positive terminal of external 0.1µF capacitor C1 for charge pump |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-16(3x3) |
| Category | Interface |
| Pins | 17 |
CAD (KiCad official)
- Symbol:
TRS3232EIRGTR - Footprint:
Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm - 3D model: VQFN-16(3x3) (KiCad packages3D, STEP)
- 3D model files:
trs3232eirgtr-etched.step/trs3232eirgtr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);trs3232eirgtr.step/trs3232eirgtr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (40 pp, sha256
a40676d619dd5bd1, retrieved 2026-10-01, 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, primaryclaude-haiku-4-5-20251001(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).