# BQ2000PN-B5

**Texas Instruments** · Battery Management · PDIP-8

BQ2000PN-B5 from Texas Instruments, in a PDIP-8. 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 | SNS | input | Current-sense input that reads battery current from the voltage developed across an external sense resistor in series with the battery pack. |
| 2 | LED | output | Open-drain charge-status output that turns an external LED on, off, or flashing, driven through a resistor. |
| 3 | BAT | input | Battery-voltage sense input, generated by a simple resistive divider across the battery terminals. |
| 4 | VSS | power_in | System ground, connected to the battery's negative terminal. |
| 5 | RC | passive | Timer-program input where a capacitor from VCC and a resistor to ground set the maximum fast-charge time, maximum top-off time, hold-off period, trickle-charge rate, and top-off enable. |
| 6 | TS | input | Battery-temperature sense input for an external resistive divider with a negative-temperature-coefficient thermistor that sets the lower and upper temperature thresholds. |
| 7 | VCC | power_in | Supply-voltage input; the datasheet recommends 10µF + 0.1µF to 0.22µF of decoupling capacitance near the pin. |
| 8 | MOD | output | Push-pull output controlling charging current: high enables charging current to flow and low inhibits it. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | PDIP-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `BQ2000PN-B5`
- Footprint: `Package_DIP:DIP-8_W7.62mm`
- 3D model: PDIP-8 (KiCad packages3D, STEP)
- 3D model files: `bq2000pn-b5-etched.step` / `bq2000pn-b5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq2000pn-b5.step` / `bq2000pn-b5.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/bq2000) (31 pp, sha256 `41f12aefe3711e15`, retrieved 2026-10-11, tier: lcsc)
- **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/bq2000pn-b5-datasheet.pdf)