component
BQ25300RTER
Public Made by Adomby adom
Texas Instruments Battery Management, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# BQ25300RTER++**Texas Instruments** · Battery Management · QFN-16-EP(3x3)++BQ25300RTER from Texas Instruments, in a QFN-16-EP(3x3). 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 | VBUS | power_in | Charger input voltage in range 4.1V to 17V; reverse blocking MOSFET source connects here. |+| 2 | REGN | power_out | Low-side FET driver positive supply output from internal 5V LDO. |+| 3 | STAT | tri_state | Charge status indication open-drain output; pulled LOW during charging, open on completion, blinks at 1Hz for faults. |+| 4 | ICHG | input | Charge current program input; set charging current via ICHG = KICHG (40000) / RICHG; charging disabled if open or shorted to GND. |+| 5 | POL | input | EN pin polarity selection input; determines enable/disable logic for EN pin. |+| 6 | EN | input | Device enable/disable input; controls device power-up and charging based on POL pin setting. |+| 7 | TS | input | Battery temperature voltage input from NTC thermistor; charge suspends when temperature outside 0°C to 45°C window. |+| 8 | NC | unconnected | No connection; keep pin floating or grounded. |+| 9 | VSET | input | Charge voltage setting input; set final battery regulation voltage to 3.6V, 4.05V, 4.15V, or 4.2V via resistor divider. |+| 10 | BAT | input | Battery voltage sensing input; connect to battery positive terminal and inductor output node for voltage regulation feedback. |+| 11 | GND | power_in | Ground reference connected to thermal pad; single point connection recommended between power and analog ground. |+| 12 | GND | power_in | Ground reference connected to thermal pad; single point connection recommended between power and analog ground. |+| 13 | SW | tri_state | Switching node connected to output inductor; internally connected to source of high-side MOSFET and drain of low-side MOSFET. |+| 14 | SW | tri_state | Switching node connected to output inductor; internally connected to source of high-side MOSFET and drain of low-side MOSFET. |+| 15 | BTST | power_out | High-side FET driver bootstrap supply connected to bootstrap diode cathode; provides isolated gate drive voltage for high-side MOSFET. |+| 16 | PMID | tri_state | Power intermediate node connected to drain of reverse blocking MOSFET and drain of high-side MOSFET; actively switches between input and converter voltages. |+| 17 | Thermal Pad | power_in | Ground reference and thermal pad for die heat dissipation; must be soldered to PCB ground plane with vias for thermal conduction. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | QFN-16-EP(3x3) |+| Category | Power Management (PMIC) |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `BQ25300RTER`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: QFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `bq25300rter-etched.step` / `bq25300rter-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq25300rter.step` / `bq25300rter.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/bq25300) (38 pp, sha256 `52e186bdbb938ace`, retrieved 2026-09-24, 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 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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/bq25300rter-datasheet.pdf)
page.jsonadded+195@@ -0,0 +1,195 @@+{+ "slug": "bq25300rter",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq25300rter",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq25300rter.kicad_sym",+ "bq25300rter.kicad_mod",+ "bq25300rter.glb",+ "bq25300rter.step",+ "bq25300rter.lbr",+ "docs/hero.png",+ "docs/bq25300rter-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ25300RTER",+ "manufacturer": "Texas Instruments",+ "package": "QFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq25300",+ "parts": {+ "symbol": "bq25300rter.kicad_sym",+ "footprint": "bq25300rter.kicad_mod",+ "model_3d": "bq25300rter-etched.glb",+ "model_3d_plain": "bq25300rter.glb",+ "model_3d_step": "bq25300rter-etched.step",+ "model_3d_step_plain": "bq25300rter.step",+ "lbr": "bq25300rter.lbr"+ },+ "distributor_links": {+ "lcsc": "C2763848"+ },+ "pins": [+ {+ "number": "1",+ "name": "VBUS",+ "type": "power_in",+ "description": "Charger input voltage in range 4.1V to 17V; reverse blocking MOSFET source connects here."+ },+ {+ "number": "2",+ "name": "REGN",+ "type": "power_out",+ "description": "Low-side FET driver positive supply output from internal 5V LDO."+ },+ {+ "number": "3",+ "name": "STAT",+ "type": "tri_state",+ "description": "Charge status indication open-drain output; pulled LOW during charging, open on completion, blinks at 1Hz for faults."+ },+ {+ "number": "4",+ "name": "ICHG",+ "type": "input",+ "description": "Charge current program input; set charging current via ICHG = KICHG (40000) / RICHG; charging disabled if open or shorted to GND."+ },+ {+ "number": "5",+ "name": "POL",+ "type": "input",+ "description": "EN pin polarity selection input; determines enable/disable logic for EN pin."+ },+ {+ "number": "6",+ "name": "EN",+ "type": "input",+ "description": "Device enable/disable input; controls device power-up and charging based on POL pin setting."+ },+ {+ "number": "7",+ "name": "TS",+ "type": "input",+ "description": "Battery temperature voltage input from NTC thermistor; charge suspends when temperature outside 0°C to 45°C window."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; keep pin floating or grounded."+ },+ {+ "number": "9",+ "name": "VSET",+ "type": "input",+ "description": "Charge voltage setting input; set final battery regulation voltage to 3.6V, 4.05V, 4.15V, or 4.2V via resistor divider."+ },+ {+ "number": "10",+ "name": "BAT",+ "type": "input",+ "description": "Battery voltage sensing input; connect to battery positive terminal and inductor output node for voltage regulation feedback."+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference connected to thermal pad; single point connection recommended between power and analog ground."+ },+ {+ "number": "12",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference connected to thermal pad; single point connection recommended between power and analog ground."+ },+ {+ "number": "13",+ "name": "SW",+ "type": "tri_state",+ "description": "Switching node connected to output inductor; internally connected to source of high-side MOSFET and drain of low-side MOSFET."+ },+ {+ "number": "14",+ "name": "SW",+ "type": "tri_state",+ "description": "Switching node connected to output inductor; internally connected to source of high-side MOSFET and drain of low-side MOSFET."+ },+ {+ "number": "15",+ "name": "BTST",+ "type": "power_out",+ "description": "High-side FET driver bootstrap supply connected to bootstrap diode cathode; provides isolated gate drive voltage for high-side MOSFET."+ },+ {+ "number": "16",+ "name": "PMID",+ "type": "tri_state",+ "description": "Power intermediate node connected to drain of reverse blocking MOSFET and drain of high-side MOSFET; actively switches between input and converter voltages."+ },+ {+ "number": "17",+ "name": "Thermal Pad",+ "type": "power_in",+ "description": "Ground reference and thermal pad for die heat dissipation; must be soldered to PCB ground plane with vias for thermal conduction."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 38,+ "cost_usd": 0.4217,+ "at": "2026-09-24T08:20:33"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq25300",+ "pages": 38,+ "sha256": "52e186bdbb938ace",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}