BQ34Z100PWR-G1

@@ -0,0 +1,54 @@+# BQ34Z100PWR-G1++**Texas Instruments** · Battery Management · TSSOP-14++BQ34Z100PWR-G1 from Texas Instruments, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | P2 | output | LED 2 drive (multi-LED display mode) or unused. Tie to VSS when not driving an LED. |+| 2 | VEN | output | Active-high voltage translation enable output. Optionally switches the external BAT-divider on/off (typ 45 uA saved) when driving a series N-FET. Leave floating or tie to VSS if unused. |+| 3 | P1 | output | LED 1 drive; also used to drive the single LED in single-LED mode via an N-FET. Tie to VSS when not driving an LED. |+| 4 | BAT | input | Translated battery-voltage sense input from the external resistor divider. VBAT abs-max 5.5 V; ADC input range VSS-0.125 V to 5 V. |+| 5 | CE | input | Chip Enable. Driving low disconnects the internal LDO from REGIN to place the device in shutdown. |+| 6 | REGIN | power_in | Internal LDO regulator input, 2.45 V to 5.5 V (abs-max). Decouple with a 0.1-uF X5R ceramic to VSS. |+| 7 | REG25 | power_out | 2.5-V (typ) output of the internal LDO, also the internal VCC rail. Decouple with a 1-uF (0.47-uF min) ceramic capacitor to VSS. |+| 8 | VSS | power_in | Device ground reference. |+| 9 | SRP | input | Coulomb-counter positive analog input (nearest BAT-). Connects across the pack sense resistor with SRN; input range VSS-0.125 V to 0.125 V. |+| 10 | SRN | input | Coulomb-counter negative analog input (nearest PACK-). Connects across the pack sense resistor with SRP; input range VSS-0.125 V to 0.125 V. |+| 11 | P6/TS | input | Pack thermistor sense input; use a 103AT-type (10 kOhm at 25 degC) NTC. Input range VSS-0.05 V to 1 V. |+| 12 | P5/HDQ | bidirectional | Open-drain HDQ single-wire slave communication line. Leave floating or tie to VSS if unused. Also usable as GPIO P5. |+| 13 | P4/SCL | input | I2C-compatible slave serial clock input; use a 10-kOhm (typ) pull-up to VCC. Also functions as LED 4 drive in four-LED mode, or GPIO P4. Leave floating or tie to VSS if unused. |+| 14 | P3/SDA | bidirectional | Open-drain I2C-compatible slave serial data line; use a 10-kOhm (typ) pull-up to VCC. Also functions as LED 3 drive in four-LED mode, or GPIO P3. Leave floating or tie to VSS if unused. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-14 |+| Category | PMIC |+| Pins | 14 |++## Ordering variants++- `BQ34Z100PWR-G1PW`+- `BQ34Z100PWR-G1PWR`++## CAD (KiCad official)++- Symbol: `BQ34Z100PWR-G1`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/bq34z100pwr-g1.pdf) (65 pp, sha256 `d96dc1ca902eb588`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/bq34z100pwr-g1-datasheet.pdf)

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