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MIC2019A-1YM6-TR

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Microchip Tech Power Distribution Switches, SOT-23-6. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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MIC2019A-1YM6-TR

Microchip Tech · Power Distribution Switches · SOT-23-6

MIC2019A-1YM6-TR from Microchip Tech, in a SOT-23-6. 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 ENABLE input Switch enable input; the datasheet gives VIL(MAX) 0.5 V and VIH(MIN) 1.5 V, with input current up to 5 µA for 0 V ≤ VEN ≤ 5 V.
2 GND power_in Ground reference for the switch and its control circuitry.
3 VIN power_in Supply input that powers both the output switch and the internal control circuitry, specified for a 2.5 V to 5.5 V operating range.
4 ILIMIT input Sets the current limit threshold through a resistor connected from ILIMIT to GND, adjustable from 0.1 A to 0.9 A for the MIC2019A/MIC2009A family.
5 VOUT power_out Switch output that drives the load; the power FET is bidirectional when enabled and can conduct from VOUT to VIN when VOUT exceeds VIN.
6 FAULT/ output Open-drain fault status output that goes low during current limiting or thermal shutdown, with VFAULT of at most 0.4 V at IOL = 10 mA.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-6
Category Power Management (PMIC)
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Switch Input/Output Voltage (VIN, VOUT) VIN, VOUT -0.3 6 V 5
All Other Pins -0.3 5.5 V 5
Continuous Output Current (MIC2005A / 20X9A) 1 A 5
ESD (HBM) VOUT and GND -4 4 kV Human body model, Note 1 5
ESD (HBM) All Other Pins -2 2 kV Human body model, Note 1 5
ESD (MM) All Pins -200 200 V Machine model, Note 1 5
Storage Temperature TS -65 150 °C 8
Maximum Junction Temperature TJ 150 °C 8
Lead Temperature 260 °C Soldering, 10 sec. 8
Supply Voltage 2.5 5.5 V 5
Continuous Output Current (MIC2005A / 20X9A) 0 0.9 A 5
Ambient Temperature Range TA -40 85 °C 8
Switch Input Voltage VIN 2.5 5.5 V 5
Output Leakage Current ILEAK 12 100 µA Switch = OFF, VOUT = 0V; Active-Low Enable, VEN = 1.5V; Active-High Enable, VEN = 0V 5
Supply Current (Note 2) IIN 80 300 µA Switch = ON; Active-Low Enable, VEN = 0V; Active-High Enable, VEN = 1.5V 5
Supply Current (Note 2), switch off, active-low enable IIN 8 15 µA Switch = OFF; Active-Low Enable, VEN = 1.5V 5
Supply Current (Note 2), switch off, active-high enable IIN 1 5 µA Switch = OFF; Active-High Enable, VEN = 0V 5
Power Switch Resistance RDS(ON) 170 220 mΩ VIN = 5V, IOUT = 100 mA 5
Power Switch Resistance RDS(ON) 275 mΩ VIN = 5V, IOUT = 100 mA 5
Variable Current Limit Factor CLF 172 211 263 V IOUT = 0.9A, VOUT = 0.8 × VIN 6
Variable Current Limit Factor CLF 152 206 263 V IOUT = 0.5A, VOUT = 0.8 × VIN 6
Variable Current Limit Factor CLF 138 200 263 V IOUT = 0.2A, VOUT = 0.8 × VIN 6
Variable Current Limit Factor CLF 121 192 263 V IOUT = 0.1A, VOUT = 0.8 × VIN 6
Secondary Current Limit ILIMIT_2nd 1 2 3 A VIN = 2.5V, VOUT = 0V 6
Enable Input Voltage (Note 3) VEN 0.5 V VIL (MAX) 7
Enable Input Voltage (Note 3) VEN 1.5 V VIH (MIN) 7
Enable Input Current IEN 1 5 µA 0V ≤ VEN ≤ 5V 7
Undervoltage Lock-Out Threshold UVLO_TH 2 2.25 2.5 V VIN Rising 7
Undervoltage Lock-Out Threshold UVLO_TH 1.9 2.15 2.4 V VIN Falling 7
Fault Status Output Voltage VFAULT 0.25 0.4 V IOL = 10 mA 7
Output Turn-On Rise Time tRISE 500 1000 1500 µs RL = 10Ω, CLOAD = 1 µF, VOUT = 10% to 90%, CSLEW = Open 7
Delay before asserting or releasing FAULT/ (MIC2013-MIC2019, MIC2019A) tD_FAULT 77 128 192 ms Time from IOUT continuously exceeding primary current limit to FAULT/ state change 7
Delay before current limiting (MIC2013-MIC2019, MIC2019A) tD_LIMIT 77 128 192 ms 7
Delay before resetting Kickstart current limit delay (MIC2013-MIC2019, MIC2019A) tRESET 77 128 192 ms Out of current limit following a current limit event. 7
Output Turn-On Delay tON_DLY 1000 1500 µs RL = 43Ω, CL = 120 µF, VEN = 50% to VOUT = 10%, CSLEW = Open 7
Output Turn-Off Delay tOFF_DLY 700 µs RL = 43Ω, CL = 120 µF, VEN = 50% to VOUT = 90%, CSLEW = Open 7
Undervoltage Lock-Out Hysteresis UVLO_HYS 0.1 V 7
Overtemperature Threshold (TJ Increasing) OT_TH 145 °C TJ Increasing 7
Overtemperature Threshold (TJ Decreasing) OT_TH 135 °C TJ Decreasing 7
Thermal Resistance, SOT-23-5/6 θJA 230 °C/W 8

CAD (KiCad official)

  • Symbol: MIC2019A-1YM6-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: mic2019a-1ym6-tr-etched.step / mic2019a-1ym6-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic2019a-1ym6-tr.step / mic2019a-1ym6-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (37 pp, sha256 55131cf94358e326, retrieved 2026-10-22, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF