# LMP91300NHZT

**Texas Instruments** · Analog Front End (AFE) · WQFN-24(4x5)

LMP91300NHZT from Texas Instruments, in a WQFN-24(4x5). 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 | P1 | power_in | Connect to ground. |
| 2 | P2 | power_in | Connect to ground. |
| 3 | P3 | power_in | Connect to ground. |
| 4 | P4 | power_in | Connect to ground. |
| 5 | P5 | power_in | Connect to ground. |
| 6 | GND | power_in | Board ground. |
| 7 | LED | output | LED driver output. |
| 8 | V+/EXT E | power_in | Chip V+ supply and emitter connection for the external transistor. |
| 9 | EXT B | passive | Base connection for the external transistor. |
| 10 | SWDRV | output | Drive output for the external transistor switch. |
| 11 | SENSE- | input | Negative sense input. |
| 12 | SENSE1+ | input | Positive sense input. |
| 13 | SENSE2+/SWIF RX | input | Positive sense input and single wire interface (SWIF) receive. |
| 14 | NC | unconnected | No connect. |
| 15 | GND | power_in | Board ground. |
| 16 | NC | unconnected | No connect. |
| 17 | CFB | input | Filter capacitor input, value set by sensor oscillation frequency. |
| 18 | CFA | input | Filter capacitor input, value set by sensor oscillation frequency. |
| 19 | GND | power_in | Board ground. |
| 20 | INA | input | External LC tank connection. |
| 21 | INB | input | External LC tank connection. |
| 22 | TEMP- | power_in | NTC ground; connect to board ground. |
| 23 | TEMP+ | input | Analog temperature sensor input. |
| 24 | CBY | output | Bypass capacitor connection (56 nF). |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WQFN-24(4x5) |
| Category | Data Acquisition |
| Pins | 25 |

## CAD (KiCad official)

- Symbol: `LMP91300NHZT`
- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x5mm_P0.5mm_EP2.65x3.65mm`
- 3D model: WQFN-24(4x5) (KiCad packages3D, STEP)
- 3D model files: `lmp91300nhzt-etched.step` / `lmp91300nhzt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmp91300nhzt.step` / `lmp91300nhzt.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/lmp91300) (44 pp, sha256 `512ac142756d4816`, retrieved 2026-10-11, 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/lmp91300nhzt-datasheet.pdf)