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MIC2090-2YM5-TR

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Microchip Tech Power Distribution Switches, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC2090-2YM5-TR

Microchip Tech · Power Distribution Switches · SOT-23-5

MIC2090-2YM5-TR from Microchip Tech, in a SOT-23-5. 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 VIN power_in Supply input at +1.8V to +5.5V that powers the output switch and the internal control circuitry.
2 GND power_in Ground reference pin for the device.
3 EN input Active-high TTL-compatible enable input where a high turns on the internal switch, and the pin cannot be left floating.
4 FAULT/ output Open-drain fault status output that must be pulled high with an external resistor and goes low when the part is in current limit, thermal limit, or UVLO while EN=1.
5 VOUT output Switched output whose voltage is controlled by the internal switch and which connects to the load.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-5
Category Power Management (PMIC)
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
Input Voltage Range VIN 1.8 5.5 V 3
Shutdown Current IVIN 5 10 µA VEN ≤ 0.5V (switch off), VOUT = open 3
Supply Current IVIN 70 110 µA VEN ≥ 1.5V (switch on), VOUT = open 3
Enable Logic Level High VIH (MIN) 1.5 V 3
Enable Logic Level Low VIL (MAX) 0.5 V 3
On Resistance MIC2090 at VIN = 5.0V RDS(ON) 700 1200 mΩ VIN = 5.0V, IOUT = 50mA 3
On Resistance MIC2090 at VIN = 3.3V RDS(ON) 790 1200 mΩ VIN = 3.3V, IOUT = 50mA 3
Current-Limit Threshold MIC2090 at VOUT = 4.5V ILIMIT 50 75 100 mA MIC2090 @ VOUT = 4.5V 4
Current-Limit Threshold MIC2090 at VOUT = 0V ILIMIT 50 100 150 mA MIC2090 @ VOUT = 0V 4
Time After Switch Comes Into Current Limit Before FAULT/ Is Pulled Low tD_FAULT/ 5 10 20 ms Over-current condition; after this time output turns off and FAULT/ is pulled low 4
Input Supply Voltage (Absolute Maximum) VIN -0.3 6 V 3
Output Voltage (Absolute Maximum) VOUT -0.3 6 V 3
FAULT/ Pin Voltage (Absolute Maximum) VFAULT/ -0.3 6 V 3
FAULT/ Pin Current (Absolute Maximum) IFAULT/ 25 mA 3
EN Pin Voltage (Absolute Maximum) VEN -0.3 V Upper limit is VIN + 0.3V 3
Maximum Junction Temperature TJ 150 °C 3
Storage Temperature TS -65 150 °C 3
Lead Temperature (Soldering) 260 °C Soldering, 10 s 3
ESD HBM Rating 3 kV Human body model, 1.5k in series with 100pF 3
ESD MM Rating 200 V Machine model 3
Supply Voltage (Operating) VIN 1.8 5.5 V 3
Output Voltage (Operating) VOUT 1.8 5.5 V 3
EN Pin Voltage (Operating) VEN 0 V Upper limit is VIN 3
FAULT/ Pin Voltage (Operating) VFAULT/ 0 5.5 V 3
FAULT/ Pin Current (Operating) IFAULT/ 1 mA 3
Ambient Temperature (Operating) TA -40 85 °C 3
Junction Temperature (Operating) TJ -40 125 °C 3
UVLO Threshold VUVLO 1.75 V VIN rising 3
UVLO Threshold Hysteresis VUVLO_HYS 100 mV 3
Enable Bias Current IEN 0.1 µA VEN = 5V 3
Output Turn-On Delay tON 215 µs RL = 500Ω, CL = 0.1µF 3
Output Turn-On Rise Time tR 5 µs RL = 500Ω, CL = 0.1µF 3
Output Turn-Off Delay tOFF 125 µs RL = 500Ω, CL = 0.1µF 3
Output Turn-Off Fall Time tF 115 µs RL = 500Ω, CL = 0.1µF 3
On Resistance MIC2090 at VIN = 1.8V RDS(ON) 1300 mΩ VIN = 1.8V, IOUT = 50mA 3
Input-to-Output Leakage Current (Forward Leakage) 10 µA VEN ≤ 0.5V (output off), VIN = 5.5V, VOUT = 0V 3
Output-to-Input Leakage Current (Reverse Leakage) 10 µA VEN ≤ 0.5V (output off), VOUT = 5.5V, VIN = 0V 4
Short-Circuit Response Time tSC_RESP 20 ns Short applied to output after switch on, VIN = 3.3V 4
Error Flag Output Voltage 0.4 V Printed as output voltage high (1mA sinking) 4
FAULT/ Rising Time tR_FAULT 5 µs FAULT/ to VIN = 5V through 10kΩ and 100pF in parallel 4
FAULT/ Falling Time tF_FAULT 1 µs 4
OGI Output Voltage Greater Than Input Voltage OGI 85 mV Output above input by this amount; part shuts down 4
OGI Time Before Shutdown OGITIME 10 ms Output voltage greater than input voltage 4
Over-Temperature Shutdown (TJ Rising) TOVERTEMP 150 °C TJ rising 4
Over-Temperature Shutdown (TJ Falling) TOVERTEMP 140 °C TJ falling 4

CAD (KiCad official)

  • Symbol: MIC2090-2YM5-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mic2090-2ym5-tr-etched.step / mic2090-2ym5-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic2090-2ym5-tr.step / mic2090-2ym5-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (23 pp, sha256 28dbce7d4bcce8c0, retrieved 2026-10-19, 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