component

HGX232EIMT

Public Made by Adom

by adom

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

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Contents

README

markdown

HGX232EIMT

HGSEMI · RS232 ICs · TSSOP-16

HGX232EIMT from HGSEMI, 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 the flying capacitor for the positive charge-pump voltage multiplier. Connect a 0.1 uF capacitor between C1+ (pin 1) and C1- (pin 3).
2 V+ power_out Output of the positive voltage multiplier (approx. +2*VCC, typ. +10V). Requires an external 0.1 uF reservoir capacitor to GND. Used internally as the positive rail for the RS-232 line drivers.
3 C1- passive Negative terminal of the flying capacitor for the positive charge-pump voltage multiplier. Pair with C1+ (pin 1) via a 0.1 uF capacitor.
4 C2+ passive Positive terminal of the flying capacitor for the negative charge-pump voltage inverter. Connect a 0.1 uF capacitor between C2+ (pin 4) and C2- (pin 5).
5 C2- passive Negative terminal of the flying capacitor for the negative charge-pump voltage inverter. Pair with C2+ (pin 4) via a 0.1 uF capacitor.
6 V- power_out Output of the negative voltage inverter (approx. -2*VCC, typ. -10V). Requires an external 0.1 uF reservoir capacitor to GND. Used internally as the negative rail for the RS-232 line drivers.
7 T2OUT output Transmitter 2 output at RS-232 levels (typically +/-5V into 3 kOhm load). Inverting driver output for the T2IN TTL/CMOS input. Short-circuit current limited to +/-60 mA.
8 R2IN input Receiver 2 input at RS-232 levels. Accepts -30V to +30V input range with internal 5 kOhm pull-down (input resistance 3-7 kOhm). Switching thresholds Von ~2.4V / Voff ~0.8V with hysteresis.
9 R2OUT output Receiver 2 output at TTL/CMOS levels. Inverting receiver output driving VOL <= 0.4V @ 3.2 mA and VOH >= 3.5V @ -1.0 mA on VCC = 4.5V.
10 T2IN input Transmitter 2 input at TTL/CMOS levels. Drives T2OUT (pin 7) as an RS-232 output. Input current is 1.0 mkA typical, 10 mkA over temperature.
11 T1IN input Transmitter 1 input at TTL/CMOS levels. Drives T1OUT (pin 14) as an RS-232 output. Input current 1.0 mkA typical.
12 R1OUT output Receiver 1 output at TTL/CMOS levels. Inverting receiver output driving VOL <= 0.4V @ 3.2 mA and VOH >= 3.5V @ -1.0 mA on VCC = 4.5V.
13 R1IN input Receiver 1 input at RS-232 levels. Accepts -30V to +30V input range with internal 5 kOhm pull-down (input resistance 3-7 kOhm). Switching thresholds Von ~2.4V / Voff ~0.8V with hysteresis.
14 T1OUT output Transmitter 1 output at RS-232 levels (typically +/-5V into 3 kOhm load). Inverting driver output for the T1IN TTL/CMOS input. Short-circuit current limited to +/-60 mA.
15 GND power_in Common ground reference for logic and RS-232 sides, and return for the charge-pump reservoir capacitors on V+ and V-.
16 VCC power_in Positive supply input, 4.5 V to 5.5 V (absolute max 6.0 V). Bypass with 0.1 uF to GND. Static consumption current ICC = 10 mA typ / 14 mA max.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package TSSOP-16
Category Interface
Pins 16

Ordering variants

Same part, different packaging or reel option.

  • HGX232EIMT/TR
  • HGX232ECM/TR
  • HGX232EIM/TR
  • HGX232ECN
  • HGX232EIN

CAD (KiCad official)

  • Symbol: HGX232EIMT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: hgx232eimt-etched.step / hgx232eimt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hgx232eimt.step / hgx232eimt.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (11 pp, sha256 10f1bf5b12850453, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF