WQFN-28-1EP_4x4mm_P0.4mm_EP2.7x2.7mm

Package_DFN_QFN

WQFN, 28 Pin (Based on JEDEC MO-220-K.01 variation WGGE and exposed pad from Maxim / Analog Devices, https://www.jedec.org/system/files/docs/MO-220K01.pdf, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/tqfn/21-0139.pdf, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/tqfn/21-0139.pdf)

Footprint

29 pads

Mount: Surface mount
Courtyard: 5.26 × 5.26 mm
Pads: 29
File: 9 KB

3D model

none

no 3D model

This footprint names no 3D model, or names one the upstream package set never shipped. Nothing is shown rather than a model that 404s.

Parts that use it

6 components in the catalog place this footprint

MAX14662

SYMFP—

Analog_Switch

Analog Switch, beyond-the-Rails 8xSPST, I²C/SPI interface, 1.6..5.5V supply, 0.425Ohm Ron, WQFN-28

Pins: 29
Pads: 29
SMD: 5.3×5.3

CH32V203GxUx

SYMFP—

MCU_WCH_RiscV

NanjingQinheng WCH RISC-V MCU, 32-64KB flash, 10-20KB RAM, 144 MHz, 2.4-3.6V, 24 GPIO, ADC, OpAmp, CAN, USB, WQFN-28

Pins: 29
Pads: 29
SMD: 5.3×5.3

CH32X035G8U6

SYMFP—

MCU_WCH_RiscV

48MHz RISC-V MCU with USB PD phy (Sink, Source, DRP), USB 2.0 Full speed phy (Host, Device), 20KB RAM, 62KB Flash, WQFN-28

Pins: 29
Pads: 29
SMD: 5.3×5.3

CH592F

SYMFP—

MCU_WCH_RiscV

RISC-V core Bluetooth LE 5.4 MCU, USB 2.0 host / device, segment LCD driver, SPI, I2C / SMBus, 4 UART, 12-bit ADC, touch-key detection module, WQFN-28

Pins: 29
Pads: 29
SMD: 5.3×5.3

MAX16050xTI

SYMFP—

Power_Supervisor

5 Voltage Monitor/Sequencer with Reverse-Sequencing Capability, WQFN-28

Pins: 29
Pads: 29
SMD: 5.3×5.3

MAX16051xTI

SYMFP—

Power_Supervisor

6 Voltage Monitor/Sequencer with Reverse-Sequencing Capability, WQFN-28

Pins: 29
Pads: 29
SMD: 5.3×5.3

On real boards

The largest boards that carry it

Design	Parts	Nets	Layers	Board	Licence	Source
Badge DragonJAR 2025	66	47	2	75.95 × 97.28 mm	CC-BY-4.0	ElectronicCats/badge-dragonJar-2025 ↗
USBC-7SEG	26	34	4	32.75 × 15 mm	CC-BY-4.0	cHemingway/usbc-7seg ↗

Provenance

Source: kicad-footprints
Credit: KiCad Libraries Contributors
Licence: CC-BY-SA-4.0-with-KiCad-exception