# XTR300AIRGWT

**Texas Instruments** · Monitors & Reset Circuits · VQFN-20-EP(5x5)

XTR300AIRGWT from Texas Instruments, in a VQFN-20-EP(5x5). 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 | M2 | input | Mode input M2 selects the XTR300 operating mode together with M1. |
| 2 | M1 | input | Mode input M1 selects the XTR300 operating mode together with M2. |
| 3 | VIN | power_in | Noninverting signal input VIN sets the operational amplifier input signal. |
| 4 | SET | input | SET is the input for gain setting and acts as the inverting input. |
| 5 | IMON | output | IMON is the current monitor output that provides feedback about the output current. |
| 6 | IAOUT | output | IAOUT is the signal output of the instrumentation amplifier. |
| 7 | IAIN- | input | IAIN- is the inverting input of the instrumentation amplifier. |
| 8 | IAIN+ | input | IAIN+ is the noninverting input of the instrumentation amplifier. |
| 9 | RG1 | passive | RG1 is an instrumentation amplifier gain resistor connection. |
| 10 | RG2 | passive | RG2 is an instrumentation amplifier gain resistor connection. |
| 11 | V- | power_in | V- is the negative power supply pin. |
| 12 | NC | unconnected | No internal connection. |
| 13 | DRV | output | DRV is the operational amplifier output that drives the output stage. |
| 14 | NC | unconnected | No internal connection. |
| 15 | V+ | power_in | V+ is the positive power supply pin. |
| 16 | DGND | power_in | DGND is the ground reference for the digital I/O. |
| 17 | EFCM | output | EFCM is the error flag for common-mode over-range, active low. |
| 18 | EFLD | output | EFLD is the error flag for load error, active low. |
| 19 | EFOT | output | EFOT is the error flag for over temperature, active low. |
| 20 | OD | input | OD is the output disable input; the driver output is disabled when OD is low. |
| 21 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-20-EP(5x5) |
| Category | Power Management ICs |
| Pins | 21 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage | VVSP |  |  | 44 | V |  | 2 |
| Signal Input Terminals Current |  | -25 |  | 25 | mA | Signal input terminals | 2 |
| DGND Current |  | -25 |  | 25 | mA | DGND pin | 2 |
| Operating Temperature |  | -55 |  | 125 | °C |  | 2 |
| Storage Temperature |  | -55 |  | 125 | °C |  | 2 |
| Junction Temperature |  |  |  | 150 | °C |  | 2 |
| Electrostatic Discharge, Human Body Model |  |  |  | 2000 | V | Human Body Model (HBM) | 2 |
| Electrostatic Discharge, Charged Device Model |  |  |  | 1000 | V | Charged Device Model (CDM) | 2 |
| Specified Voltage Range | VS | 5 |  | 20 | V |  | 7 |
| Operating Voltage Range |  | 5 |  | 22 | V |  | 7 |
| Specified Temperature Range |  | -40 |  | 85 | °C |  | 7 |
| Offset Voltage, RTI | VOS | -1.9 | 0.4 | 1.9 | mV |  | 3 |
| Offset Voltage vs Temperature | dVOS/dT | -6 | 1.6 | 6 | μV/°C |  | 3 |
| Offset Voltage vs Power Supply | PSRR | -10 | 0.2 | 10 | μV/V | VS = ±5V to ±22V | 3 |
| Gain Nonlinearity |  | -0.1 | 0.01 | 0.1 | %FS |  | 3 |
| Gain Nonlinearity vs Temperature |  | -1 | 0.1 | 1 | ppm/°C |  | 3 |
| Gain Error |  | -0.1 | 0.04 | 0.1 | %FS |  | 3 |
| Gain Error vs Temperature |  | -1 | 0.2 | 1 | ppm/°C |  | 3 |
| Short-Circuit Current (voltage output mode) | ISC | 15 | 20 | 24 | mA |  | 3 |
| Input Offset Voltage (current output mode) | VOS | -1.8 | 0.4 | 1.8 | mV | Output current < 1μA | 4 |
| Input Offset Voltage vs Temperature (current output mode) | dVOS/dT | -6 | 1.5 | 6 | μV/°C |  | 4 |
| Input Offset Voltage vs Power Supply (current output mode) | PSRR | -10 | 0.2 | 10 | μV/V | VS = ±5V to ±22V | 4 |
| Gain Error (current output mode) |  | -0.12 | 0.04 | 0.12 | %FS | IDRV = ±24mA | 4 |
| Gain Error vs Temperature (current output mode) |  | -10 | 3.6 | 10 | ppm/°C | IDRV = ±24mA | 4 |
| Linearity Error (current output mode) |  | -0.1 | 0.01 | 0.1 | %FS | IDRV = ±24mA | 4 |
| Linearity Error vs Temperature (current output mode) |  | -6 | 1.5 | 6 | ppm/°C | IDRV = ±24mA | 4 |
| Short-Circuit Current (current output mode) | ISC | 24.5 | 32 | 38.5 | mA |  | 4 |
| Offset Voltage, RTI (OPA) | VOS | -1.8 | 0.4 | 1.8 | mV | IDRV = 0A | 5 |
| Offset Voltage vs Power Supply (OPA) | PSRR | -5 | 0.2 | 5 | μV/V | VS = ±5V to ±22V | 5 |
| Common-Mode Rejection Ratio (OPA) | CMRR | 100 | 126 |  | dB | (V−) + 3V < VCM < (V+) − 3V | 5 |
| Input Bias Current (OPA) | IB | -35 | 20 | 35 | nA |  | 5 |
| Input Offset Current (OPA) | IOS | -10 | 0.3 | 10 | nA |  | 5 |
| Open-Loop Voltage Gain (OPA) | AOL | 100 | 126 |  | dB | (V−) + 3V < VDRV < (V+) − 3V, IDRV = ±24mA | 5 |
| Short-Circuit Current, M2 High (OPA) | ILIMIT | 25.5 | 32 | 38.5 | mA | M2 = High | 5 |
| Short-Circuit Current, M2 Low (OPA) | ILIMIT | 16 | 20 | 24 | mA | M2 = Low | 5 |
| Offset Voltage, RTI (IA) | VOS | -2.7 | 0.7 | 2.7 | mV | IDRV = 0A | 6 |
| Offset Voltage vs Temperature (IA) | dVOS/dT | -10 | 2.4 | 10 | μV/°C |  | 6 |
| Offset Voltage vs Power Supply (IA) | PSRR | -10 | 0.8 | 10 | μV/V | VS = ±5V to ±22V | 6 |
| Common-Mode Rejection Ratio (IA) | CMRR | 100 | 130 |  | dB | RTI | 6 |
| Input Bias Current (IA) | IB | -35 | 20 | 35 | nA |  | 6 |
| Input Offset Current (IA) | IOS | -10 | 1 | 10 | nA |  | 6 |
| Transconductance Error (IA) |  | -0.1 | 0.04 | 0.1 | %/FS | IAOUT = ±2.4mA, (V−) + 3V < VIAOUT < (V+) − 3V | 6 |
| Linearity Error (IA) |  | -0.1 | 0.01 | 0.1 | %FS | (V−) + 3V < VIAOUT < (V+) − 3V | 6 |
| Offset Current (current monitor) | IOS | -100 | 30 | 100 | nA | IDRV = 0A | 7 |
| Current Monitor vs Power Supply | PSRR | -10 | 0.1 | 10 | nA/V | VS = ±5V to ±22V | 7 |
| Current Gain Error (monitor) |  | -0.12 | 0.04 | 0.12 | %FS | IDRV = ±24mA | 7 |
| Linearity Error (current monitor) |  | -0.1 | 0.01 | 0.1 | %FS | IDRV = ±24mA | 7 |
| Quiescent Current | IQ |  | 1.8 | 2.3 | mA | IDRV = IAOUT = 0A | 7 |
| Quiescent Current over Temperature | IQ |  |  | 2.8 | mA | Over temperature | 7 |
| Digital Input Low-Level Voltage | VIL |  |  | 0.8 | V |  | 7 |
| Digital Input High-Level Voltage | VIH | 1.4 |  |  | V |  | 7 |
| Digital Output Low-Level Voltage | VOL |  |  | 0.8 | V | IOL = 5mA | 7 |
| Digital Output Low-Level Voltage | VOL |  |  | 0.4 | V | IOL = 2.8mA | 7 |
| Junction-to-Case Thermal Resistance | θJC |  | 15.2 |  | °C/W | Junction-to-Case | 7 |
| Junction-to-Ambient Thermal Resistance | θJA |  | 38 |  | °C/W | Junction-to-Ambient | 7 |

## CAD (KiCad official)

- Symbol: `XTR300AIRGWT`
- Footprint: `Package_DFN_QFN:QFN-20-1EP_5x5mm_P0.65mm_EP3.35x3.35mm`
- 3D model: VQFN-20-EP(5x5) (KiCad packages3D, STEP)
- 3D model files: `xtr300airgwt-etched.step` / `xtr300airgwt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xtr300airgwt.step` / `xtr300airgwt.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/lit/ds/symlink/xtr300airgwt.pdf) (38 pp, sha256 `1682e58d64286134`, retrieved 2026-10-30, tier: manufacturer)
- **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/xtr300airgwt-datasheet.pdf)