component
DRV425RTJR
Public Made by Adomby adom
Texas Instruments Linear Hall Sensors, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+58@@ -0,0 +1,58 @@+# DRV425RTJR++**Texas Instruments** · Linear Hall Sensors · QFN-20-EP(4x4)++DRV425RTJR from Texas Instruments, in a QFN-20-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 | BSEL | input | Bandwidth selection input; selects 32 kHz when low or 47 kHz when high with 22Ω external shunt resistance. |+| 2 | RSEL1 | input | Reference voltage mode selection input bit 1; used with RSEL0 to select REFOUT of 2.5V (00), 1.65V (01), or VDD/2 (1x). |+| 3 | RSEL0 | input | Reference voltage mode selection input bit 0; used with RSEL1 to select REFOUT of 2.5V (00), 1.65V (01), or VDD/2 (1x). |+| 4 | REFOUT | output | Precision voltage reference output providing 2.5V ±2% maximum accuracy or 1.65V ±2% or VDD/2 with ±50ppm/°C temperature drift. |+| 5 | REFIN | input | Common-mode reference input of shunt sense amplifier; accepts input voltage range from GND to VDD with 40kΩ to 60kΩ input impedance. |+| 6 | VOUT | output | Shunt sense amplifier output with 4V/V gain centered at REFIN voltage and responsive to detected magnetic field proportional to external shunt resistor voltage. |+| 7 | GND | power_in | Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation. |+| 8 | VDD | power_in | Power supply pin for 3.0V to 5.5V operation; must be bypassed with 1µF ceramic capacitor placed close to the device. |+| 9 | VDD | power_in | Power supply pin for 3.0V to 5.5V operation; must be bypassed with 1µF ceramic capacitor placed close to the device. |+| 10 | GND | power_in | Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation. |+| 11 | DRV2 | output | Compensation coil driver output 2; differential drive capable of ±250mA at 5V or ±150mA at 3.3V with common-mode voltage set by RSEL pins. |+| 12 | DRV1 | output | Compensation coil driver output 1; differential drive capable of ±250mA at 5V or ±150mA at 3.3V with common-mode voltage set by RSEL pins. |+| 13 | AINP | input | Non-inverting input of shunt sense amplifier; connected to positive terminal of external shunt resistor with 20kΩ differential input impedance. |+| 14 | AINN | input | Inverting input of shunt sense amplifier; connected to negative terminal of external shunt resistor with 20kΩ differential input impedance. |+| 15 | OR | output | Out-of-range indicator; open-drain active-low output asserted when shunt sense amplifier output exceeds 48mV to 100mV from supply rails with 2.5µs to 3.5µs response delay. |+| 16 | COMP1 | input | Internal compensation coil feedback input 1; provides feedback signal for closed-loop magnetic field compensation circuit. |+| 17 | COMP2 | input | Internal compensation coil feedback input 2; provides feedback signal for closed-loop magnetic field compensation circuit. |+| 18 | GND | power_in | Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation. |+| 19 | ERROR | output | Error flag; open-drain active-low output asserted when fluxgate sensor saturates with internal magnetic field exceeding ±1.6mT, with 4µs to 6µs suppression delay. |+| 20 | GND | power_in | Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation. |+| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | QFN-20-EP(4x4) |+| Category | Magnetic Sensors |+| Pins | 21 |++## CAD (KiCad official)++- Symbol: `DRV425RTJR`+- Footprint: `Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm`+- 3D model: QFN-20-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `drv425rtjr-etched.step` / `drv425rtjr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `drv425rtjr.step` / `drv425rtjr.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/drv425) (40 pp, sha256 `bd09889dc24e60d9`, 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/drv425rtjr-datasheet.pdf)
page.jsonadded+222@@ -0,0 +1,222 @@+{+ "slug": "drv425rtjr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Linear Hall Sensors, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "magnetic sensors",+ "drv425rtjr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "drv425rtjr.kicad_sym",+ "drv425rtjr.kicad_mod",+ "drv425rtjr.glb",+ "drv425rtjr.step",+ "drv425rtjr.lbr",+ "docs/hero.png",+ "docs/drv425rtjr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "DRV425RTJR",+ "manufacturer": "Texas Instruments",+ "package": "QFN-20-EP(4x4)",+ "pin_count": 21,+ "category": "Magnetic Sensors",+ "subcategory": "Linear Hall Sensors",+ "datasheet": "https://www.ti.com/cn/lit/gpn/drv425",+ "parts": {+ "symbol": "drv425rtjr.kicad_sym",+ "footprint": "drv425rtjr.kicad_mod",+ "model_3d": "drv425rtjr-etched.glb",+ "model_3d_plain": "drv425rtjr.glb",+ "model_3d_step": "drv425rtjr-etched.step",+ "model_3d_step_plain": "drv425rtjr.step",+ "lbr": "drv425rtjr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2153001"+ },+ "pins": [+ {+ "number": "1",+ "name": "BSEL",+ "type": "input",+ "description": "Bandwidth selection input; selects 32 kHz when low or 47 kHz when high with 22Ω external shunt resistance."+ },+ {+ "number": "2",+ "name": "RSEL1",+ "type": "input",+ "description": "Reference voltage mode selection input bit 1; used with RSEL0 to select REFOUT of 2.5V (00), 1.65V (01), or VDD/2 (1x)."+ },+ {+ "number": "3",+ "name": "RSEL0",+ "type": "input",+ "description": "Reference voltage mode selection input bit 0; used with RSEL1 to select REFOUT of 2.5V (00), 1.65V (01), or VDD/2 (1x)."+ },+ {+ "number": "4",+ "name": "REFOUT",+ "type": "output",+ "description": "Precision voltage reference output providing 2.5V ±2% maximum accuracy or 1.65V ±2% or VDD/2 with ±50ppm/°C temperature drift."+ },+ {+ "number": "5",+ "name": "REFIN",+ "type": "input",+ "description": "Common-mode reference input of shunt sense amplifier; accepts input voltage range from GND to VDD with 40kΩ to 60kΩ input impedance."+ },+ {+ "number": "6",+ "name": "VOUT",+ "type": "output",+ "description": "Shunt sense amplifier output with 4V/V gain centered at REFIN voltage and responsive to detected magnetic field proportional to external shunt resistor voltage."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation."+ },+ {+ "number": "8",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply pin for 3.0V to 5.5V operation; must be bypassed with 1µF ceramic capacitor placed close to the device."+ },+ {+ "number": "9",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply pin for 3.0V to 5.5V operation; must be bypassed with 1µF ceramic capacitor placed close to the device."+ },+ {+ "number": "10",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation."+ },+ {+ "number": "11",+ "name": "DRV2",+ "type": "output",+ "description": "Compensation coil driver output 2; differential drive capable of ±250mA at 5V or ±150mA at 3.3V with common-mode voltage set by RSEL pins."+ },+ {+ "number": "12",+ "name": "DRV1",+ "type": "output",+ "description": "Compensation coil driver output 1; differential drive capable of ±250mA at 5V or ±150mA at 3.3V with common-mode voltage set by RSEL pins."+ },+ {+ "number": "13",+ "name": "AINP",+ "type": "input",+ "description": "Non-inverting input of shunt sense amplifier; connected to positive terminal of external shunt resistor with 20kΩ differential input impedance."+ },+ {+ "number": "14",+ "name": "AINN",+ "type": "input",+ "description": "Inverting input of shunt sense amplifier; connected to negative terminal of external shunt resistor with 20kΩ differential input impedance."+ },+ {+ "number": "15",+ "name": "OR",+ "type": "output",+ "description": "Out-of-range indicator; open-drain active-low output asserted when shunt sense amplifier output exceeds 48mV to 100mV from supply rails with 2.5µs to 3.5µs response delay."+ },+ {+ "number": "16",+ "name": "COMP1",+ "type": "input",+ "description": "Internal compensation coil feedback input 1; provides feedback signal for closed-loop magnetic field compensation circuit."+ },+ {+ "number": "17",+ "name": "COMP2",+ "type": "input",+ "description": "Internal compensation coil feedback input 2; provides feedback signal for closed-loop magnetic field compensation circuit."+ },+ {+ "number": "18",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation."+ },+ {+ "number": "19",+ "name": "ERROR",+ "type": "output",+ "description": "Error flag; open-drain active-low output asserted when fluxgate sensor saturates with internal magnetic field exceeding ±1.6mT, with 4µs to 6µs suppression delay."+ },+ {+ "number": "20",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin; must be connected to ground plane for proper device operation and thermal dissipation."+ },+ {+ "number": "21",+ "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-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Thermal pad not assigned a pin number in datasheet; shown as exposed pad on package bottom (referenc",+ "exposed pad 21 added from the footprint"+ ],+ "pages_sent": 40,+ "cost_usd": 0.4804,+ "at": "2026-09-24T08:57:59"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/drv425",+ "pages": 40,+ "sha256": "bd09889dc24e60d9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 21,+ "described": 21,+ "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]"+ }+}