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Contents

README

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MX5050D4005

Wuxi Maxinmicro · Power Distribution Switches · DFN-8L(5x6)

MX5050D4005 from Wuxi Maxinmicro, in a DFN-8L(5x6). 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 IN power_in Voltage sense connection to the external MOSFET source pin; IN operating input range is 5V to 30V (1V to 30V with a separate VS supply, up to 40V transient).
2 IN power_in Voltage sense connection to the external MOSFET source pin; IN operating input range is 5V to 30V (1V to 30V with a separate VS supply, up to 40V transient).
3 IN power_in Voltage sense connection to the external MOSFET source pin; IN operating input range is 5V to 30V (1V to 30V with a separate VS supply, up to 40V transient).
4 GND power_in Ground return for the controller.
5 OUT power_out Voltage sense connection to the external MOSFET drain pin; OUT operating voltage range is 5V to 30V.
6 OUT power_out Voltage sense connection to the external MOSFET drain pin; OUT operating voltage range is 5V to 30V.
7 OUT power_out Voltage sense connection to the external MOSFET drain pin; OUT operating voltage range is 5V to 30V.
8 OUT power_out Voltage sense connection to the external MOSFET drain pin; OUT operating voltage range is 5V to 30V.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Wuxi Maxinmicro
Package DFN-8L(5x6)
Category Power Management (PMIC)
Pins 9

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Input Voltage Range VIN 5 30 V 3
Operating Output Voltage Range VOUT 5 30 V 3
IN Pin current IIN 150 240 300 uA VIN = 5V 3
IN Pin current IIN 200 300 400 uA VIN = 12V to 30V 3
OUT Pin Current IOUT 4.1 uA VIN = 5V to 30V 3
Reverse VSD Threshold VSD(REV) -40 -28 -20 mV VIN < VOUT 3
Regulated Forward VSD Threshold VSD(REG) 1 30 40 mV VIN = 5V, VIN - VOUT 3
Regulated Forward VSD Threshold VSD(REG) 5 60 80 mV VIN = 12V, VIN - VOUT 3
Drain to source voltage VDS 40 V IDS = 250uA 3
On resistance RON 4.2 5.5 mΩ ID = 1A 3
IN, OUT pins voltage 1 30 V VS ≥ 4.5V for IN < 4V 1
VS pin voltage 5 30 V 1
Operating temperature -40 125 ℃ 1
IN, OUT Pins to GND -0.3 40 V 1
VS Pin to Ground -0.3 40 V 1
Internal MOSFET VDS VDS 40 V 1
Junction temperature 150 ℃ 1
Storage temperature Tstg -50 150 ℃ 1
Leading temperature 260 ℃ soldering, 10 secs 1
ESD Susceptibility HBM -2000 2000 V HBM 1
Package thermal resistance, DFN5*6-8L RθJA 108.1 ℃/W DFN5*6-8L package 1

CAD (KiCad official)

  • Symbol: MX5050D4005
  • Footprint: Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm
  • 3D model: DFN-8L(5x6) (KiCad packages3D, STEP)
  • 3D model files: mx5050d4005-etched.step / mx5050d4005-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mx5050d4005.step / mx5050d4005.glb are the bare package body.

Provenance

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

  • Datasheet: Wuxi Maxinmicro datasheet (8 pp, sha256 9892c8279af9cc9d, retrieved 2026-10-18, tier: lcsc)
  • 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