component
TD322D485H-A
Public Made by Adomby adom
YLPTEC RS485 Bus Modules, DIP-12. Datasheet-verified pinout, 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
markdownTD322D485H-A
YLPTEC · RS485 Bus Modules · DIP-12
TD322D485H-A from YLPTEC, in a DIP-12. 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 | VCC | power_in | Supply voltage positive, 3.15-3.45 VDC for TD322D485H-A model |
| 2 | GND | power_in | Supply voltage ground reference |
| 3 | TXD1 | input | Transmit data input for channel 1, accepts 3.3V UART logic levels |
| 4 | RXD1 | output | Receive data output for channel 1, drives 3.3V UART logic levels |
| 5 | TXD2 | input | Transmit data input for channel 2, accepts 3.3V UART logic levels |
| 6 | RXD2 | output | Receive data output for channel 2, drives 3.3V UART logic levels |
| 7 | A2 | bidirectional | RS-485 differential A signal for channel 2, common mode range -7V to +12V, input impedance 48 ohms |
| 8 | B2 | bidirectional | RS-485 differential B signal for channel 2, common mode range -7V to +12V, input impedance 48 ohms |
| 9 | G2 | power_in | Isolated power domain reference ground for channel 2, may be left floating if not used |
| 10 | A1 | bidirectional | RS-485 differential A signal for channel 1, common mode range -7V to +12V, input impedance 48 ohms |
| 11 | B1 | bidirectional | RS-485 differential B signal for channel 1, common mode range -7V to +12V, input impedance 48 ohms |
| 12 | G1 | power_in | Isolated power domain reference ground for channel 1, may be left floating if not used |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YLPTEC |
| Package | DIP-12 |
| Category | IoT/Communication Modules |
| Pins | 12 |
CAD (KiCad official)
- Symbol:
TD322D485H-A - Footprint:
Package_DIP:DIP-12_W7.62mm - 3D model: DIP-12 (KiCad packages3D, STEP)
- 3D model files:
td322d485h-a-etched.step/td322d485h-a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);td322d485h-a.step/td322d485h-a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YLPTEC datasheet (5 pp, sha256
e28d45acbfdca7ad, retrieved 2026-09-18, 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 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).