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MIC2040-1YMM-TR

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Microchip Tech Power Management Specialized - PMIC, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC2040-1YMM-TR

Microchip Tech · Power Management Specialized - PMIC · MSOP-10

MIC2040-1YMM-TR from Microchip Tech, in a MSOP-10. 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 EN input Switch enable input controlling the output MOSFET gate; active-high for the -1 variant (this MPN), must be driven to a defined logic level and not left floating or taken above VBIAS or below ground.
2 /FAULT output Active-low open-drain N-channel fault status output that asserts on thermal shutdown or on an overcurrent lasting longer than 28ms, needing an external pull-up to a rail of 6V maximum.
3 UVLOIN input Undervoltage lockout adjust input; left open the UVLO threshold is 1.45V, and an external divider (total resistance below 200kΩ) lowers it for VIN at or below 1.6V.
4 GND power_in Ground connection, tie to analog ground.
5 ILIM passive Current limit set pin where a resistor RSET to ground sets the limit as CLF/RSET (CLF 340A·Ω typical) for a continuous output range of 0.25A to 1.5A.
6 VBIAS power_in Bias supply input powering the internal circuitry with a range of 1.6V to 5.5V, which must be present for the switch to operate and be at least VIN.
7 VIN power_in Switch input supply (drain of the output MOSFET) with a range of 0.8V to 5.5V, which must be externally connected to the other VIN pin (pin 9).
8 VOUT power_out Switch output (source of the output MOSFET), which must be externally connected to the other VOUT pin (pin 10).
9 VIN power_in Switch input supply (drain of the output MOSFET) with a range of 0.8V to 5.5V, which must be externally connected to the other VIN pin (pin 7).
10 VOUT power_out Switch output (source of the output MOSFET), which must be externally connected to the other VOUT pin (pin 8).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package MSOP-10
Category Power Supply Chip
Pins 10

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 Voltage VIN 0.8 5.5 V VIN ≤ VBIAS 3
Bias Supply Voltage VBIAS 1.6 5.5 V 3
VBIAS Supply Current - Switch OFF IBIAS 0.1 5 µA No load 3
VBIAS Supply Current - Switch ON IBIAS 250 400 µA No load 3
Enable Input Voltage low VEN 1.5 V VIL(max) 3
Enable Input Voltage high VEN 2.5 V VIH(min) 3
Enable Input Current IEN -1 0.01 1 µA VEN = 0V to 5.5V 3
Switch Resistance RDS(ON) 50 75 mΩ VIN = VBIAS = 3V, 5V; IOUT = 500mA 3
Output Leakage Current ILEAK 10 µA Output off 3
Current Limit Factor CLF 280 340 400 A•Ω VIN = 3V, 5V; 0.5V ≤ VOUT < 0.5VIN; 0.25A ≤ IOUT ≤ 1.5A 3
Output low voltage (/FAULT) VOL 0.4 V IOL (/FAULT) = 15mA 3
/FAULT Off Current IOFF 1 µA VFAULT = 5V 3
Undervoltage Lockout Threshold rising VUV 1.3 1.45 1.58 V VIN rising 3
Undervoltage Lockout Threshold falling VUV 1.2 1.35 1.5 V VIN falling 3
UVLO Adjust Pin Threshold Voltage rising VUVINTH 200 220 240 mV VIN rising 3
UVLO Adjust Pin Threshold Voltage falling VUVINTH 180 200 220 mV VIN falling 3
Flag Response Delay tFLAG 21 28 35 ms VIN = VBIAS = 3V, 5V 4
Output Turn-on Delay tON 400 600 800 µs RLOAD = 10Ω, CLOAD = 1µF 4
Output turn-on Rise Time tR 0.5 1 1.5 ms RLOAD = 10Ω, CLOAD = 1µF 4
Output Turn-off Delay tOFF 15 µs RLOAD = 10Ω, CLOAD = 1µF 4
Output Turn-off Fall Time tF 24 µs RLOAD = 10Ω, CLOAD = 1µF 4
Supply Voltage VIN and VBIAS (abs max) VIN, VBIAS 6 V 3
/FAULT Output Voltage (abs max) 6 V /FAULT, PWRGD 3
/FAULT Output Current (abs max) 25 mA /FAULT, PWRGD 3
ESD Rating Human Body Model 2 kV 3
ESD Rating Machine Model 200 V 3
Operating Supply Voltage VIN VIN 0.8 5.5 V 3
Operating Supply Voltage VBIAS VBIAS 1.6 5.5 V 3
Continuous Output Current IOUT 0.25 1.5 A 3
Ambient Temperature TA -40 85 °C 3
Overtemperature Threshold increasing TJ 140 °C TJ increasing 3
Overtemperature Threshold decreasing TJ 120 °C TJ decreasing 3
Enable Input Threshold Hysteresis VENHYS 100 mV 3
Undervoltage Lockout Threshold Hysteresis VUVHYS 100 mV 3
UVLO Adjust Pin Threshold Hysteresis VUVINHYS 20 mV 3

CAD (KiCad official)

  • Symbol: MIC2040-1YMM-TR
  • Footprint: Package_SO:MSOP-10_3x3mm_P0.5mm
  • 3D model: MSOP-10 (KiCad packages3D, STEP)
  • 3D model files: mic2040-1ymm-tr-etched.step / mic2040-1ymm-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic2040-1ymm-tr.step / mic2040-1ymm-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (15 pp, sha256 d8724782c0982df7, retrieved 2026-10-24, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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