component
BQ24253RGER
Public Made by Adomby adom
Texas Instruments Battery Management, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# BQ24253RGER++**Texas Instruments** · Battery Management · VQFN-24-EP(4x4)++BQ24253RGER from Texas Instruments, in a VQFN-24-EP(4x4). 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 | CE | input | Charge Enable Active-Low Input; logic high places charger in standby mode by disabling the battery FET. |+| 2 | D+ | input | BC1.2 compatible D+ adapter detection input supporting DCP, SDP, CDP, Apple, and TomTom adapter detection. |+| 3 | D- | input | BC1.2 compatible D- adapter detection input supporting DCP, SDP, CDP, Apple, and TomTom adapter detection. |+| 4 | AGND | power_in | Analog Ground for QFN package only; connect to thermal pad and ground plane of circuit. |+| 5 | EN1 | input | Input Current Limit Configuration Input; use EN1 with EN2 to control maximum input current and enable USB compliance per Table 1. |+| 6 | EN2 | input | Input Current Limit Configuration Input; use EN2 with EN1 to control maximum input current and enable USB compliance per Table 1. |+| 7 | CHG | tri_state | Charge Status Open Drain Output; pulled low when charge cycle starts and remains low during charging; high impedance when complete or disabled. |+| 8 | PG | tri_state | Power Good Open Drain Output; pulled low when valid supply (VBAT+VSLP to VOVP) is connected to IN; high impedance otherwise. |+| 9 | TS | input | Battery Pack NTC Temperature Monitor Input; connect TS to center tap of resistor divider from LDO to GND with NTC from TS to GND for JEITA monitoring. |+| 10 | ISET | input | Charge Current Programming Input; connect resistor from ISET to GND to program fast charge current from 300mA to 2A. |+| 11 | BAT | bidirectional | Battery Connection carrying charge/discharge current; connect to positive battery terminal and bypass with >1μF capacitor. |+| 12 | BAT | bidirectional | Battery Connection carrying charge/discharge current; connect to positive battery terminal and bypass with >1μF capacitor. |+| 13 | SYS | power_out | System Power Output and SMPS voltage sense point; connect to system output at bulk capacitors and bypass locally with >20μF. |+| 14 | SYS | power_out | System Power Output and SMPS voltage sense point; connect to system output at bulk capacitors and bypass locally with >20μF. |+| 15 | PGND | power_in | Power Ground terminal; connect to ground plane of circuit. |+| 16 | PGND | power_in | Power Ground terminal; connect to ground plane of circuit. |+| 17 | SW | output | Buck Converter Switch Output; connect to switching side of external inductor for PWM converter operation. |+| 18 | SW | output | Buck Converter Switch Output; connect to switching side of external inductor for PWM converter operation. |+| 19 | IN | power_in | Input Power Supply from AC adapter or USB port (4.35V to 10.5V); bypass to PGND with >2μF ceramic capacitor. |+| 20 | PMID | output | Intermediate voltage node connection between blocking FET and high-side FET in buck converter. |+| 21 | BOOT | power_out | High-Side MOSFET Gate Driver Supply; connect 0.033μF ceramic capacitor (voltage rating >15V) from BOOT to SW for gate drive. |+| 22 | ILIM | input | Input Current Limit Programming Input; connect resistor from ILIM to GND to program input limit from 0.5A to 2A (short for 2A default). |+| 23 | VDPM | input | Input VIN_DPM Threshold Programming Input; connect resistor divider between IN and GND with VDPM at center tap (1.2V reference) for DPM setting (short for 4.68V default). |+| 24 | LDO | power_out | LDO regulated output providing up to 50mA at 4.9V when VUVLO < VIN <18V; bypass with 1μF ceramic capacitor. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24-EP(4x4) |+| Category | Power Management (PMIC) |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `BQ24253RGER`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm`+- 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `bq24253rger-etched.step` / `bq24253rger-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq24253rger.step` / `bq24253rger.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/bq24253) (58 pp, sha256 `ec309ffe1d694e7f`, retrieved 2026-09-27, 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-4-6` (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/bq24253rger-datasheet.pdf)
page.jsonadded+260@@ -0,0 +1,260 @@+{+ "slug": "bq24253rger",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Battery Management, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "bq24253rger",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bq24253rger.kicad_sym",+ "bq24253rger.kicad_mod",+ "bq24253rger.glb",+ "bq24253rger.step",+ "bq24253rger.lbr",+ "docs/hero.png",+ "docs/bq24253rger-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BQ24253RGER",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-24-EP(4x4)",+ "pin_count": 25,+ "category": "Power Management (PMIC)",+ "subcategory": "Battery Management",+ "datasheet": "https://www.ti.com/cn/lit/gpn/bq24253",+ "parts": {+ "symbol": "bq24253rger.kicad_sym",+ "footprint": "bq24253rger.kicad_mod",+ "model_3d": "bq24253rger-etched.glb",+ "model_3d_plain": "bq24253rger.glb",+ "model_3d_step": "bq24253rger-etched.step",+ "model_3d_step_plain": "bq24253rger.step",+ "lbr": "bq24253rger.lbr"+ },+ "distributor_links": {+ "lcsc": "C2864881",+ "digikey": "296-BQ24253RGERTR-ND",+ "mouser": "595-BQ24253RGER"+ },+ "distributor_check": {+ "checked_at": "2026-09-27T02:58:23Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-BQ24253RGERTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-BQ24253RGER",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "CE",+ "type": "input",+ "description": "Charge Enable Active-Low Input; logic high places charger in standby mode by disabling the battery FET."+ },+ {+ "number": "2",+ "name": "D+",+ "type": "input",+ "description": "BC1.2 compatible D+ adapter detection input supporting DCP, SDP, CDP, Apple, and TomTom adapter detection."+ },+ {+ "number": "3",+ "name": "D-",+ "type": "input",+ "description": "BC1.2 compatible D- adapter detection input supporting DCP, SDP, CDP, Apple, and TomTom adapter detection."+ },+ {+ "number": "4",+ "name": "AGND",+ "type": "power_in",+ "description": "Analog Ground for QFN package only; connect to thermal pad and ground plane of circuit."+ },+ {+ "number": "5",+ "name": "EN1",+ "type": "input",+ "description": "Input Current Limit Configuration Input; use EN1 with EN2 to control maximum input current and enable USB compliance per Table 1."+ },+ {+ "number": "6",+ "name": "EN2",+ "type": "input",+ "description": "Input Current Limit Configuration Input; use EN2 with EN1 to control maximum input current and enable USB compliance per Table 1."+ },+ {+ "number": "7",+ "name": "CHG",+ "type": "tri_state",+ "description": "Charge Status Open Drain Output; pulled low when charge cycle starts and remains low during charging; high impedance when complete or disabled."+ },+ {+ "number": "8",+ "name": "PG",+ "type": "tri_state",+ "description": "Power Good Open Drain Output; pulled low when valid supply (VBAT+VSLP to VOVP) is connected to IN; high impedance otherwise."+ },+ {+ "number": "9",+ "name": "TS",+ "type": "input",+ "description": "Battery Pack NTC Temperature Monitor Input; connect TS to center tap of resistor divider from LDO to GND with NTC from TS to GND for JEITA monitoring."+ },+ {+ "number": "10",+ "name": "ISET",+ "type": "input",+ "description": "Charge Current Programming Input; connect resistor from ISET to GND to program fast charge current from 300mA to 2A."+ },+ {+ "number": "11",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Battery Connection carrying charge/discharge current; connect to positive battery terminal and bypass with >1μF capacitor."+ },+ {+ "number": "12",+ "name": "BAT",+ "type": "bidirectional",+ "description": "Battery Connection carrying charge/discharge current; connect to positive battery terminal and bypass with >1μF capacitor."+ },+ {+ "number": "13",+ "name": "SYS",+ "type": "power_out",+ "description": "System Power Output and SMPS voltage sense point; connect to system output at bulk capacitors and bypass locally with >20μF."+ },+ {+ "number": "14",+ "name": "SYS",+ "type": "power_out",+ "description": "System Power Output and SMPS voltage sense point; connect to system output at bulk capacitors and bypass locally with >20μF."+ },+ {+ "number": "15",+ "name": "PGND",+ "type": "power_in",+ "description": "Power Ground terminal; connect to ground plane of circuit."+ },+ {+ "number": "16",+ "name": "PGND",+ "type": "power_in",+ "description": "Power Ground terminal; connect to ground plane of circuit."+ },+ {+ "number": "17",+ "name": "SW",+ "type": "output",+ "description": "Buck Converter Switch Output; connect to switching side of external inductor for PWM converter operation."+ },+ {+ "number": "18",+ "name": "SW",+ "type": "output",+ "description": "Buck Converter Switch Output; connect to switching side of external inductor for PWM converter operation."+ },+ {+ "number": "19",+ "name": "IN",+ "type": "power_in",+ "description": "Input Power Supply from AC adapter or USB port (4.35V to 10.5V); bypass to PGND with >2μF ceramic capacitor."+ },+ {+ "number": "20",+ "name": "PMID",+ "type": "output",+ "description": "Intermediate voltage node connection between blocking FET and high-side FET in buck converter."+ },+ {+ "number": "21",+ "name": "BOOT",+ "type": "power_out",+ "description": "High-Side MOSFET Gate Driver Supply; connect 0.033μF ceramic capacitor (voltage rating >15V) from BOOT to SW for gate drive."+ },+ {+ "number": "22",+ "name": "ILIM",+ "type": "input",+ "description": "Input Current Limit Programming Input; connect resistor from ILIM to GND to program input limit from 0.5A to 2A (short for 2A default)."+ },+ {+ "number": "23",+ "name": "VDPM",+ "type": "input",+ "description": "Input VIN_DPM Threshold Programming Input; connect resistor divider between IN and GND with VDPM at center tap (1.2V reference) for DPM setting (short for 4.68V default)."+ },+ {+ "number": "24",+ "name": "LDO",+ "type": "power_out",+ "description": "LDO regulated output providing up to 50mA at 4.9V when VUVLO < VIN <18V; bypass with 1μF ceramic capacitor."+ },+ {+ "number": "25",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "exposed pad 25 added from the footprint"+ ],+ "pages_sent": 58,+ "cost_usd": 0.8867,+ "at": "2026-09-27T02:58:06"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/bq24253",+ "pages": 58,+ "sha256": "ec309ffe1d694e7f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "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]"+ }+}