MD7020

Shanghai Mingda Microelectronics · Monitors & Reset Circuits · SOT-23-5L

MD7020 from Shanghai Mingda Microelectronics, in a SOT-23-5L. 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	VOUT	output	Detector output, N-channel open drain and active low for MD7020, sinking min 1 mA (typ 2 mA) at VOUT=0.2V, with output current limited to 10mA absolute maximum.
2	VDD	power_in	Positive supply and detect-voltage sense input, with 1.5V to 15V operating range for MD7020 (2.0V detect threshold, 0.100V typ hysteresis) and 18V absolute maximum.
3	GND	power_in	Ground (VSS) reference for the supply and output.
4	NC	unconnected	No connection pin on the SOT23-5 package, shown at the top right of the package drawing.
5	NC	unconnected	No connection pin on the SOT23-5 package, shown at the top left of the package drawing.

Key specifications

Parameter	Value
Manufacturer	Shanghai Mingda Microelectronics
Package	SOT-23-5L
Category	Power Management ICs
Pins	5

Electrical characteristics

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

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Detectable Voltage Hi→Lo	VDET	1.94	2	2.06	V	TA=25℃	4
Hysteresis Width	VHYS	0.02	0.05	0.07	%	TA=25℃; printed as multiples of VDET	4
Operating Current	IDD		1.2	3	uA	VDD=2.9V, No load, TA=25℃	4
Operating Voltage	VDD	1.5		15	V	TA=25℃	4
Output Sink Current	IOL	1	2		mA	VDD=1.8V, VOUT=0.2V, TA=25℃	4
Detectable voltage tolerance		-3		3	%		2
Supply Voltage		-0.3		18	V		1
Output Current				10	mA		1
Storage Temperature		-50		125	℃		1
Operating Temperature		-40		85	℃		1
Power Consumption SOT23-3/5				250	mW	SOT23-/5	1
Temperature Coefficient of Detectable Voltage	ΔVDET/ΔTA		0.5		mV/℃	0℃<Ta<70℃; printed ±0.5	4

CAD (KiCad official)

Symbol: MD7020
Footprint: Package_TO_SOT_SMD:SOT-23-5
3D model: SOT-23-5L (KiCad packages3D, STEP)
3D model files: md7020-etched.step / md7020-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); md7020.step / md7020.glb are the bare package body.

Provenance

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

Datasheet: Shanghai Mingda Microelectronics datasheet (17 pp, sha256 a73a565d183efa3d, retrieved 2026-10-26, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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

# MD7020

**Shanghai Mingda Microelectronics** · Monitors & Reset Circuits · SOT-23-5L

MD7020 from Shanghai Mingda Microelectronics, in a SOT-23-5L. 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 | VOUT | output | Detector output, N-channel open drain and active low for MD7020, sinking min 1 mA (typ 2 mA) at VOUT=0.2V, with output current limited to 10mA absolute maximum. |
| 2 | VDD | power_in | Positive supply and detect-voltage sense input, with 1.5V to 15V operating range for MD7020 (2.0V detect threshold, 0.100V typ hysteresis) and 18V absolute maximum. |
| 3 | GND | power_in | Ground (VSS) reference for the supply and output. |
| 4 | NC | unconnected | No connection pin on the SOT23-5 package, shown at the top right of the package drawing. |
| 5 | NC | unconnected | No connection pin on the SOT23-5 package, shown at the top left of the package drawing. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | SOT-23-5L |
| Category | Power Management ICs |
| Pins | 5 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Detectable Voltage Hi→Lo | VDET | 1.94 | 2 | 2.06 | V | TA=25℃ | 4 |
| Hysteresis Width | VHYS | 0.02 | 0.05 | 0.07 | % | TA=25℃; printed as multiples of VDET | 4 |
| Operating Current | IDD |  | 1.2 | 3 | uA | VDD=2.9V, No load, TA=25℃ | 4 |
| Operating Voltage | VDD | 1.5 |  | 15 | V | TA=25℃ | 4 |
| Output Sink Current | IOL | 1 | 2 |  | mA | VDD=1.8V, VOUT=0.2V, TA=25℃ | 4 |
| Detectable voltage tolerance |  | -3 |  | 3 | % |  | 2 |
| Supply Voltage |  | -0.3 |  | 18 | V |  | 1 |
| Output Current |  |  |  | 10 | mA |  | 1 |
| Storage Temperature |  | -50 |  | 125 | ℃ |  | 1 |
| Operating Temperature |  | -40 |  | 85 | ℃ |  | 1 |
| Power Consumption SOT23-3/5 |  |  |  | 250 | mW | SOT23-/5 | 1 |
| Temperature Coefficient of Detectable Voltage | ΔVDET/ΔTA |  | 0.5 |  | mV/℃ | 0℃<Ta<70℃; printed ±0.5 | 4 |

## CAD (KiCad official)

- Symbol: `MD7020`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5L (KiCad packages3D, STEP)
- 3D model files: `md7020-etched.step` / `md7020-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `md7020.step` / `md7020.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shanghai Mingda Microelectronics datasheet](docs/md7020-datasheet.pdf) (17 pp, sha256 `a73a565d183efa3d`, retrieved 2026-10-26, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/md7020-datasheet.pdf)