# TL494CDTR

**XBLW** · DC-DC Converters · SOP-16

TL494CDTR from XBLW, in a SOP-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 | 1IN+ | input | Noninverting input to error amplifier 1. |
| 2 | 1IN- | input | Inverting input to error amplifier 1. |
| 3 | FEEDBACK | input | Input pin for feedback. |
| 4 | DTC | input | Dead-time control comparator input. |
| 5 | CT | passive | Capacitor terminal used to set oscillator frequency. |
| 6 | RT | passive | Resistor terminal used to set oscillator frequency. |
| 7 | GND | power_in | Ground. |
| 8 | C1 | passive | Collector terminal of BJT output 1. |
| 9 | E1 | passive | Emitter terminal of BJT output 1. |
| 10 | E2 | passive | Emitter terminal of BJT output 2. |
| 11 | C2 | passive | Collector terminal of BJT output 2. |
| 12 | VCC | power_in | Positive supply. |
| 13 | OUTPUT CTRL | input | Selects single-ended/parallel output or push-pull operation. |
| 14 | REF | power_out | 5-V reference regulator output. |
| 15 | 2IN- | input | Inverting input to error amplifier 2. |
| 16 | 2IN+ | input | Noninverting input to error amplifier 2. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XBLW |
| Package | SOP-16 |
| Category | Power Management (PMIC) |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `TL494CDTR`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `tl494cdtr-etched.step` / `tl494cdtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl494cdtr.step` / `tl494cdtr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XBLW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590917159755870208) (12 pp, sha256 `91c0a15d1ea9adaa`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-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/tl494cdtr-datasheet.pdf)