component
HGX3232EIMT
Public Made by Adomby adom
HGSEMI RS232 ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
HGX3232EIMT
HGSEMI · RS232 ICs · TSSOP-16
HGX3232EIMT from HGSEMI, 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 terminal of the boost charge-pump capacitor C1, which uses 0.1 µF to 1 µF per the datasheet capacitor specification. |
| 2 | V+ | power_out | Charge-pump output of +5.4 V generated from VCC, which requires the external C1 charge-pump capacitor. |
| 3 | C1- | passive | Negative terminal of the boost charge-pump capacitor C1. |
| 4 | C2+ | passive | Positive terminal of the inverting charge-pump capacitor C2. |
| 5 | C2- | passive | Negative terminal of the inverting charge-pump capacitor C2. |
| 6 | V- | power_out | Charge-pump output of -5.4 V generated by the inverting charge pump, which requires the external C2 capacitor. |
| 7 | T2OUT | output | Second RS-232 driver output, which swings ±5 V into a 3 kΩ load with ±60 mA short-circuit current limit and ±15 kV ESD protection. |
| 8 | R2IN | input | Second RS-232 receiver input, rated for a ±20 V input voltage swing with a 3 kΩ to 7 kΩ input resistance. |
| 9 | R2OUT | output | Second TTL/CMOS receiver output, which drives high to VCC-0.1 V at 1.0 mA source and low to 0.4 V max at 1.6 mA sink. |
| 10 | T2IN | input | Second TTL/CMOS driver input with a 0.8 V maximum low threshold and a 2.0 V (3.3 V supply) or 2.4 V (5 V supply) minimum high threshold. |
| 11 | T1IN | input | First TTL/CMOS driver input with a 0.8 V maximum low threshold and a 2.0 V (3.3 V supply) or 2.4 V (5 V supply) minimum high threshold. |
| 12 | R1OUT | output | First TTL/CMOS receiver output, which drives high to VCC-0.1 V at 1.0 mA source and low to 0.4 V max at 1.6 mA sink. |
| 13 | R1IN | input | First RS-232 receiver input, rated for a ±20 V input voltage swing with a 3 kΩ to 7 kΩ input resistance. |
| 14 | T1OUT | output | First RS-232 driver output, which swings ±5 V into a 3 kΩ load with ±60 mA short-circuit current limit and ±15 kV ESD protection. |
| 15 | GND | power_in | Ground reference for the device. |
| 16 | VCC | power_in | Supply voltage input, specified from +3 V to +5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | TSSOP-16 |
| Category | Interface |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Power supply voltage (VCC=+5.0V supply) | VCC | 4.5 | 5 | 5.5 | V | VCC = +5.0V supply | 9 |
| Power supply voltage (VCC=+3.3V supply) | VCC | 3 | 3.3 | 3.6 | V | VCC = +3.3V supply | 9 |
| Charge pump capacitor C1P, C1N, C2P, C2N | C1 to C4 | 0.1 | 0.1 | 1 | µF | 9 | |
| Operating current (TTL inputs = VCC/GND, RS-232 input float) | 0.5 | 1 | mA | TTL Inputs = VCC/GND, RS-232 Input = float, VCC = 3.3V | 9 | ||
| Driver input threshold voltage Low | 0.8 | V | 10 | ||||
| Driver input threshold voltage High (VCC=+5.0V) | 2.4 | V | VCC = +5.0V supply | 10 | |||
| Driver input threshold voltage High (VCC=+3.3V) | 2 | V | VCC = +3.3V supply | 10 | |||
| Driver input leakage current | -1 | 1 | µA | VIN = VCC and GND, TIN, XEN, XPWRSAVE, XSD | 10 | ||
| Receiver output voltage Low | 0.4 | V | IOUT = 1.6mA | 10 | |||
| Receiver output leakage current | -10 | 10 | µA | Receiver Outputs Disabled, VOUT = VCC or GND, XSD= GND, XEN= VCC | 10 | ||
| Receiver input voltage swing | -20 | 20 | V | TA = Tmin, Tmax | 10 | ||
| Receiver input threshold voltage Low (VCC=5.0V) | 0.8 | 1.5 | V | TA = 25°C, VCC = 5.0V | 10 | ||
| Receiver input threshold voltage Low (VCC=3.3V) | 0.6 | 1.2 | V | TA = 25°C, VCC = 3.3V | 10 | ||
| Receiver input threshold voltage High | 2.4 | V | TA = 25°C | 10 | |||
| Receiver input resistance | 3 | 7 | KΩ | VIN = ±20V, TA = 25°C | 10 | ||
| Driver output voltage swing | -5 | 5 | V | RL = 3kΩ, All Outputs are loaded | 10 | ||
| Driver output resistance | 300 | Ω | VCC = VDD = VSS = GND, VOUT = ±2V | 10 | |||
| Driver output short-circuit current | -60 | 60 | mA | VOUT = GND | 10 | ||
| Driver output leakage current | -5 | 5 | µA | Transmitter Disabled, VOUT = ±12V | 10 | ||
| Maximum data rate | 250 | Kbps | RL = 3kΩ, CL = 1000pF, One Transmitter Switching, TA=25°C | 10 | |||
| Driver transition-region slew rate | 6 | 30 | V/µs | RL = 3~7kΩ, CL = 150pF to 1000pF, One Transmitter Switching, TA = 25°C, measured from 3V to -3V or -3V to 3V | 10 | ||
| Receiver input to output propagation delay | 0.15 | µs | CL = 150pF | 10 | |||
| Propagation delay difference tPHL, tPLH | tPHL, tPLH | 50 | ns | 10 | |||
| ESD HBM, RS-232 inputs and outputs | -15 | 15 | KV | RS-232 Inputs and Output | 10 | ||
| ESD EN61000-4-2 contact discharge, RS-232 inputs and outputs | -8 | 8 | KV | RS-232 Inputs and Output | 10 | ||
| ESD EN61000-4-2 air gap discharge, RS-232 inputs and outputs | -15 | 15 | KV | RS-232 Inputs and Output | 10 | ||
| Power supply VCC (absolute maximum) | VCC | -0.3 | 6 | V | 8 | ||
| Power supply VP (absolute maximum) | VP | -0.3 | 7 | V | 8 | ||
| Power supply VN (absolute maximum) | VN | -0.7 | 0.3 | V | 8 | ||
| Power supply VP+VN (absolute maximum) | VP+VN | 13 | V | 8 | |||
| ICC DC VCC or GND current (absolute maximum) | ICC | -100 | 100 | mA | DC VCC or GND current | 8 | |
| Input voltage TxIN, XPWRSAVE, XSD, XEN (absolute maximum) | -0.3 | 6 | V | 8 | |||
| Input voltage RxIN (absolute maximum) | -20 | 20 | V | 8 | |||
| Output voltage TxOUT (absolute maximum) | -15 | 15 | V | 8 | |||
| Output voltage RxOUT, XIDLE (absolute maximum) | -0.3 | V | Upper limit printed as Vcc+0.3 | 8 | |||
| Operating temperature HGX32xxEI (industrial) | -40 | 85 | °C | HGX32xxEI industrial grade | 8 | ||
| Storage temperature | -65 | 150 | °C | 8 | |||
| Power dissipation, 16-pin TSSOP | 556 | mW | 16-pin TSSOP, derate 6.80 mW/°C above +70°C | 8 | |||
| Receiver input hysteresis | 0.5 | V | TA = 25°C | 10 | |||
| Driver input hysteresis | 0.5 | V | 10 |
CAD (KiCad official)
- Symbol:
HGX3232EIMT - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
hgx3232eimt-etched.step/hgx3232eimt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);hgx3232eimt.step/hgx3232eimt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HGSEMI datasheet (20 pp, sha256
d96ba61a1029549c, retrieved 2026-10-19, 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-5-5(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).
# HGX3232EIMT
**HGSEMI** · RS232 ICs · TSSOP-16
HGX3232EIMT from HGSEMI, 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 terminal of the boost charge-pump capacitor C1, which uses 0.1 µF to 1 µF per the datasheet capacitor specification. |
| 2 | V+ | power_out | Charge-pump output of +5.4 V generated from VCC, which requires the external C1 charge-pump capacitor. |
| 3 | C1- | passive | Negative terminal of the boost charge-pump capacitor C1. |
| 4 | C2+ | passive | Positive terminal of the inverting charge-pump capacitor C2. |
| 5 | C2- | passive | Negative terminal of the inverting charge-pump capacitor C2. |
| 6 | V- | power_out | Charge-pump output of -5.4 V generated by the inverting charge pump, which requires the external C2 capacitor. |
| 7 | T2OUT | output | Second RS-232 driver output, which swings ±5 V into a 3 kΩ load with ±60 mA short-circuit current limit and ±15 kV ESD protection. |
| 8 | R2IN | input | Second RS-232 receiver input, rated for a ±20 V input voltage swing with a 3 kΩ to 7 kΩ input resistance. |
| 9 | R2OUT | output | Second TTL/CMOS receiver output, which drives high to VCC-0.1 V at 1.0 mA source and low to 0.4 V max at 1.6 mA sink. |
| 10 | T2IN | input | Second TTL/CMOS driver input with a 0.8 V maximum low threshold and a 2.0 V (3.3 V supply) or 2.4 V (5 V supply) minimum high threshold. |
| 11 | T1IN | input | First TTL/CMOS driver input with a 0.8 V maximum low threshold and a 2.0 V (3.3 V supply) or 2.4 V (5 V supply) minimum high threshold. |
| 12 | R1OUT | output | First TTL/CMOS receiver output, which drives high to VCC-0.1 V at 1.0 mA source and low to 0.4 V max at 1.6 mA sink. |
| 13 | R1IN | input | First RS-232 receiver input, rated for a ±20 V input voltage swing with a 3 kΩ to 7 kΩ input resistance. |
| 14 | T1OUT | output | First RS-232 driver output, which swings ±5 V into a 3 kΩ load with ±60 mA short-circuit current limit and ±15 kV ESD protection. |
| 15 | GND | power_in | Ground reference for the device. |
| 16 | VCC | power_in | Supply voltage input, specified from +3 V to +5.5 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | TSSOP-16 |
| Category | Interface |
| Pins | 16 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Power supply voltage (VCC=+5.0V supply) | VCC | 4.5 | 5 | 5.5 | V | VCC = +5.0V supply | 9 |
| Power supply voltage (VCC=+3.3V supply) | VCC | 3 | 3.3 | 3.6 | V | VCC = +3.3V supply | 9 |
| Charge pump capacitor C1P, C1N, C2P, C2N | C1 to C4 | 0.1 | 0.1 | 1 | µF | | 9 |
| Operating current (TTL inputs = VCC/GND, RS-232 input float) | | | 0.5 | 1 | mA | TTL Inputs = VCC/GND, RS-232 Input = float, VCC = 3.3V | 9 |
| Driver input threshold voltage Low | | | | 0.8 | V | | 10 |
| Driver input threshold voltage High (VCC=+5.0V) | | 2.4 | | | V | VCC = +5.0V supply | 10 |
| Driver input threshold voltage High (VCC=+3.3V) | | 2 | | | V | VCC = +3.3V supply | 10 |
| Driver input leakage current | | -1 | | 1 | µA | VIN = VCC and GND, TIN, XEN, XPWRSAVE, XSD | 10 |
| Receiver output voltage Low | | | | 0.4 | V | IOUT = 1.6mA | 10 |
| Receiver output leakage current | | -10 | | 10 | µA | Receiver Outputs Disabled, VOUT = VCC or GND, XSD= GND, XEN= VCC | 10 |
| Receiver input voltage swing | | -20 | | 20 | V | TA = Tmin, Tmax | 10 |
| Receiver input threshold voltage Low (VCC=5.0V) | | 0.8 | | 1.5 | V | TA = 25°C, VCC = 5.0V | 10 |
| Receiver input threshold voltage Low (VCC=3.3V) | | 0.6 | | 1.2 | V | TA = 25°C, VCC = 3.3V | 10 |
| Receiver input threshold voltage High | | 2.4 | | | V | TA = 25°C | 10 |
| Receiver input resistance | | 3 | | 7 | KΩ | VIN = ±20V, TA = 25°C | 10 |
| Driver output voltage swing | | -5 | | 5 | V | RL = 3kΩ, All Outputs are loaded | 10 |
| Driver output resistance | | 300 | | | Ω | VCC = VDD = VSS = GND, VOUT = ±2V | 10 |
| Driver output short-circuit current | | -60 | | 60 | mA | VOUT = GND | 10 |
| Driver output leakage current | | -5 | | 5 | µA | Transmitter Disabled, VOUT = ±12V | 10 |
| Maximum data rate | | 250 | | | Kbps | RL = 3kΩ, CL = 1000pF, One Transmitter Switching, TA=25°C | 10 |
| Driver transition-region slew rate | | 6 | | 30 | V/µs | RL = 3~7kΩ, CL = 150pF to 1000pF, One Transmitter Switching, TA = 25°C, measured from 3V to -3V or -3V to 3V | 10 |
| Receiver input to output propagation delay | | | | 0.15 | µs | CL = 150pF | 10 |
| Propagation delay difference tPHL, tPLH | tPHL, tPLH | | | 50 | ns | | 10 |
| ESD HBM, RS-232 inputs and outputs | | -15 | | 15 | KV | RS-232 Inputs and Output | 10 |
| ESD EN61000-4-2 contact discharge, RS-232 inputs and outputs | | -8 | | 8 | KV | RS-232 Inputs and Output | 10 |
| ESD EN61000-4-2 air gap discharge, RS-232 inputs and outputs | | -15 | | 15 | KV | RS-232 Inputs and Output | 10 |
| Power supply VCC (absolute maximum) | VCC | -0.3 | | 6 | V | | 8 |
| Power supply VP (absolute maximum) | VP | -0.3 | | 7 | V | | 8 |
| Power supply VN (absolute maximum) | VN | -0.7 | | 0.3 | V | | 8 |
| Power supply VP+VN (absolute maximum) | VP+VN | | | 13 | V | | 8 |
| ICC DC VCC or GND current (absolute maximum) | ICC | -100 | | 100 | mA | DC VCC or GND current | 8 |
| Input voltage TxIN, XPWRSAVE, XSD, XEN (absolute maximum) | | -0.3 | | 6 | V | | 8 |
| Input voltage RxIN (absolute maximum) | | -20 | | 20 | V | | 8 |
| Output voltage TxOUT (absolute maximum) | | -15 | | 15 | V | | 8 |
| Output voltage RxOUT, XIDLE (absolute maximum) | | -0.3 | | | V | Upper limit printed as Vcc+0.3 | 8 |
| Operating temperature HGX32xxEI (industrial) | | -40 | | 85 | °C | HGX32xxEI industrial grade | 8 |
| Storage temperature | | -65 | | 150 | °C | | 8 |
| Power dissipation, 16-pin TSSOP | | | | 556 | mW | 16-pin TSSOP, derate 6.80 mW/°C above +70°C | 8 |
| Receiver input hysteresis | | | 0.5 | | V | TA = 25°C | 10 |
| Driver input hysteresis | | | 0.5 | | V | | 10 |
## CAD (KiCad official)
- Symbol: `HGX3232EIMT`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `hgx3232eimt-etched.step` / `hgx3232eimt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hgx3232eimt.step` / `hgx3232eimt.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HGSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903254631206912) (20 pp, sha256 `d96ba61a1029549c`, retrieved 2026-10-19, 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](docs/hgx3232eimt-datasheet.pdf)