# SN65LVPE502ARGER

**Texas Instruments** · USB Converters · VQFN-24-EP(4x4)

SN65LVPE502ARGER from Texas Instruments, in a VQFN-24-EP(4x4). 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 | VCC | power_in | Positive supply voltage; must be 3.3 V ±10% |
| 2 | EQ1 | input | LVCMOS control input to select equalization settings for CH1; internally biased to VCC/2 |
| 3 | DE1 | input | LVCMOS control input to select de-emphasis settings for CH1; internally biased to VCC/2 |
| 4 | OS1 | input | LVCMOS control input to select output amplitude for CH1; internally biased to VCC/2 |
| 5 | EN_RXD | input | LVCMOS control input to set device operation modes; internally pulled to VCC |
| 6 | GND | power_in | Supply ground |
| 7 | NC | unconnected | Not internally connected |
| 8 | Host_RX1- | input | CML inverting differential input for CH1 with internal voltage bias and dual termination resistor circuit; must connect to USB 3.0 host side |
| 9 | Host_RX1+ | input | CML noninverting differential input for CH1 with internal voltage bias and dual termination resistor circuit; must connect to USB 3.0 host side |
| 10 | GND | power_in | Supply ground |
| 11 | Host_TX2- | output | CML inverting differential output for CH2 with internal voltage bias and termination resistor circuit; must connect to USB 3.0 host side |
| 12 | Host_TX2+ | output | CML noninverting differential output for CH2 with internal voltage bias and termination resistor circuit; must connect to USB 3.0 host side |
| 13 | VCC | power_in | Positive supply voltage; must be 3.3 V ±10% |
| 14 | RSVD | input | Reserved LVCMOS input; can be left as no-connect |
| 15 | OS2 | input | LVCMOS control input to select output amplitude for CH2; internally biased to VCC/2 |
| 16 | DE2 | input | LVCMOS control input to select de-emphasis settings for CH2; internally biased to VCC/2 |
| 17 | EQ2 | input | LVCMOS control input to select equalization settings for CH2; internally biased to VCC/2 |
| 18 | GND | power_in | Supply ground |
| 19 | Device_RX2+ | input | CML noninverting differential input for CH2 with internal voltage bias and dual termination resistor circuit; must connect to USB 3.0 device side |
| 20 | Device_RX2- | input | CML inverting differential input for CH2 with internal voltage bias and dual termination resistor circuit; must connect to USB 3.0 device side |
| 21 | GND | power_in | Supply ground |
| 22 | Device_TX1+ | output | CML noninverting differential output for CH1 with internal voltage bias and termination resistor circuit; must connect to USB 3.0 device side |
| 23 | Device_TX1- | output | CML inverting differential output for CH1 with internal voltage bias and termination resistor circuit; must connect to USB 3.0 device side |
| 24 | NC | unconnected | Not internally connected |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-24-EP(4x4) |
| Category | Interface |
| Pins | 25 |

## CAD (KiCad official)

- Symbol: `SN65LVPE502ARGER`
- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`
- 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
- 3D model files: `sn65lvpe502arger-etched.step` / `sn65lvpe502arger-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn65lvpe502arger.step` / `sn65lvpe502arger.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn65lvpe502a) (36 pp, sha256 `a087ec23ade77dcf`, retrieved 2026-10-03, 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-4-5-20251001` (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/sn65lvpe502arger-datasheet.pdf)