GR7039

GR · Supervisor And Reset ICs · SOT-23

GR7039 from GR, in a SOT-23. 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	OUT	output	Chip output terminal; output voltage is limited to GND-0.3 V to VDD+0.3 V, and output sink current IOL is at least 0.5 mA (typ. 1 mA at VDD=2 V, VOUT=0.2 V).
2	GND	power_in	Chip ground terminal.
3	VDD	power_in	Chip supply input; operating voltage is 1.5 V to 12 V, with an absolute maximum input voltage of 15 V.

Key specifications

Parameter	Value
Manufacturer	GR
Package	SOT-23
Category	Power Management (PMIC)
Pins	3

Electrical characteristics

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

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Detection voltage	VDET	1.94	2	2.06	V	Ta=25℃	1
Detection voltage	VDET	3.783	3.9	4.017	V	Ta=25℃	5
Hysteresis voltage (printed as multiple of VDET)	VHYS	0.02	0.05	0.1	VDET	Ta=25℃	5
Quiescent current	IDD		2	4	uA	8V No Load	5
Operating voltage	VDD	1.5		12	V		5
Output current	IOL	0.5	1		ma	2V VOUT=0.2V	5
Detection voltage temperature coefficient	ΔVDET/ΔTa	-0.9		0.9	mV/℃	0℃≤Ta≤70℃	5
Input voltage (absolute maximum)	VDD			15	V		2
Output voltage lower limit (GND-0.3)	Vout	-0.3			V	GND-0.3 (referenced to GND)	2
Output voltage upper limit (VDD+0.3)	Vout			0.3	V	VDD+0.3 (referenced to VDD)	2
Maximum power dissipation	PD			250	mW		2
Operating temperature range	Tw	-40		85	℃		2
Storage temperature range	Tc	-50		125	℃		2
Soldering temperature	Th			260	℃	10s	2

CAD (KiCad official)

Symbol: GR7039
Footprint: Package_TO_SOT_SMD:SOT-23
3D model: SOT-23 (KiCad packages3D, STEP)
3D model files: gr7039-etched.step / gr7039-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gr7039.step / gr7039.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: GR datasheet (8 pp, sha256 9d47eee97f51050d, retrieved 2026-10-18, 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 0.3, 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

# GR7039

**GR** · Supervisor And Reset ICs · SOT-23

GR7039 from GR, in a SOT-23. 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 | OUT | output | Chip output terminal; output voltage is limited to GND-0.3 V to VDD+0.3 V, and output sink current IOL is at least 0.5 mA (typ. 1 mA at VDD=2 V, VOUT=0.2 V). |
| 2 | GND | power_in | Chip ground terminal. |
| 3 | VDD | power_in | Chip supply input; operating voltage is 1.5 V to 12 V, with an absolute maximum input voltage of 15 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GR |
| Package | SOT-23 |
| Category | Power Management (PMIC) |
| Pins | 3 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Detection voltage | VDET | 1.94 | 2 | 2.06 | V | Ta=25℃ | 1 |
| Detection voltage | VDET | 3.783 | 3.9 | 4.017 | V | Ta=25℃ | 5 |
| Hysteresis voltage (printed as multiple of VDET) | VHYS | 0.02 | 0.05 | 0.1 | VDET | Ta=25℃ | 5 |
| Quiescent current | IDD |  | 2 | 4 | uA | 8V No Load | 5 |
| Operating voltage | VDD | 1.5 |  | 12 | V |  | 5 |
| Output current | IOL | 0.5 | 1 |  | ma | 2V VOUT=0.2V | 5 |
| Detection voltage temperature coefficient | ΔVDET/ΔTa | -0.9 |  | 0.9 | mV/℃ | 0℃≤Ta≤70℃ | 5 |
| Input voltage (absolute maximum) | VDD |  |  | 15 | V |  | 2 |
| Output voltage lower limit (GND-0.3) | Vout | -0.3 |  |  | V | GND-0.3 (referenced to GND) | 2 |
| Output voltage upper limit (VDD+0.3) | Vout |  |  | 0.3 | V | VDD+0.3 (referenced to VDD) | 2 |
| Maximum power dissipation | PD |  |  | 250 | mW |  | 2 |
| Operating temperature range | Tw | -40 |  | 85 | ℃ |  | 2 |
| Storage temperature range | Tc | -50 |  | 125 | ℃ |  | 2 |
| Soldering temperature | Th |  |  | 260 | ℃ | 10s | 2 |

## CAD (KiCad official)

- Symbol: `GR7039`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `gr7039-etched.step` / `gr7039-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gr7039.step` / `gr7039.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [GR datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602690325081579520) (8 pp, sha256 `9d47eee97f51050d`, retrieved 2026-10-18, 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 0.3`, 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/gr7039-datasheet.pdf)