# TPS51100DGQ

**Texas Instruments** · Power Management - Specialized · MSOP-10-EP

TPS51100DGQ from Texas Instruments, in a MSOP-10-EP. 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 | VDDQSNS | input | VDDQ sense input with recommended operating voltage range of -0.1 to 3.6 V. |
| 2 | VLDOIN | power_in | Power supply for the VTT LDO and VTTREF output stage with recommended operating voltage range of -0.1 to 3.6 V. |
| 3 | VTT | power_out | Power output for the VTT LDO with recommended operating voltage range of -0.1 to 3.6 V. |
| 4 | PGND | power_in | Power ground output for the VTT LDO with recommended operating voltage range of -0.1 to 0.1 V. |
| 5 | VTTSNS | input | Voltage sense input for the VTT LDO to be connected to the positive terminal of the output capacitor with recommended operating voltage range of -0.1 to 3.6 V. |
| 6 | VTTREF | output | VTT reference output to be connected to GND through a 0.1-μF ceramic capacitor with recommended operating voltage range of -0.1 to 1.8 V. |
| 7 | S3 | input | S3 signal input for suspend to RAM mode with recommended operating voltage range of -0.10 to 5.25 V. |
| 8 | GND | power_in | Signal ground to be connected to the negative terminal of the output capacitor with recommended operating voltage range of -0.1 to 0.1 V. |
| 9 | S5 | input | S5 signal input for suspend to disk mode with recommended operating voltage range of -0.10 to 5.25 V. |
| 10 | VIN | power_in | 5-V power supply input with recommended operating voltage range of 4.75 to 5.25 V. |
| 11 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | MSOP-10-EP |
| Category | Power Management (PMIC) |
| Pins | 11 |

## CAD (KiCad official)

- Symbol: `TPS51100DGQ`
- Footprint: `Package_SO:MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm`
- 3D model: MSOP-10-EP (KiCad packages3D, STEP)
- 3D model files: `tps51100dgq-etched.step` / `tps51100dgq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps51100dgq.step` / `tps51100dgq.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/tps51100) (29 pp, sha256 `e73346bf2acf0acd`, retrieved 2026-10-07, tier: lcsc)
- **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/tps51100dgq-datasheet.pdf)