# BQ2012SN-D107TR

**Texas Instruments** · Battery Management ICs · SOP-16

BQ2012SN-D107TR from Texas Instruments, 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 | LCOM | output | Open-drain LED common output that switches VCC to source LED current, off during initialization and high impedance when the display is off. |
| 2 | SEG1/PROG1 | bidirectional | LED segment 1 output sinking LED current from LCOM, dual function with three-level programmed full count selection input PROG1. |
| 3 | SEG2/PROG2 | bidirectional | LED segment 2 output sinking LED current from LCOM, dual function with three-level programmed full count selection input PROG2. |
| 4 | SEG3/PROG3 | bidirectional | LED segment 3 output sinking LED current from LCOM, dual function with three-level gas gauge rate (scale factor) selection input PROG3. |
| 5 | SEG4/PROG4 | bidirectional | LED segment 4 output sinking LED current from LCOM, dual function with three-level gas gauge rate (scale factor) selection input PROG4. |
| 6 | SEG5/PROG5 | bidirectional | LED segment 5 output sinking LED current from LCOM, dual function with three-level self-discharge rate selection input PROG5. |
| 7 | SEG6/PROG6 | bidirectional | LED segment 6 output sinking LED current from LCOM, dual function with three-level display mode selection input PROG6. |
| 8 | VSS | power_in | System ground. |
| 9 | SR | input | Sense resistor input tied to the high side of the sense resistor; VSR below VSS indicates discharge and above VSS indicates charge. |
| 10 | DISP | input | Display control input: high disables the LED display, low activates it, floating enables it during valid charge or discharge, and tied to VCC allows PROGx direct connection to VCC or VSS. |
| 11 | SB | input | Secondary battery input monitoring single-cell voltage through a high-impedance resistive divider for EDV thresholds, maximum charge voltage (MCV) and battery removed. |
| 12 | EMPTY | output | Open-drain battery empty output that goes high-impedance on valid end-of-discharge voltage detection and is low after the next valid charge. |
| 13 | DQ | bidirectional | Open-drain bidirectional serial communication I/O pin. |
| 14 | CHG | output | Open-drain charge control output that becomes active low when charging is allowed. |
| 15 | REF | output | Voltage reference output for an optional micro-regulator. |
| 16 | VCC | power_in | Supply voltage input, 3.0-6.5V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOP-16 |
| Category | Power Management ICs |
| Pins | 16 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | 16-Pin SOIC Narrow (SN) .004 | 19 |

## CAD (KiCad official)

- Symbol: `BQ2012SN-D107TR`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `bq2012sn-d107tr-etched.step` / `bq2012sn-d107tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq2012sn-d107tr.step` / `bq2012sn-d107tr.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/bq2012) (26 pp, sha256 `17938074405d5d2c`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/bq2012sn-d107tr-datasheet.pdf)