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MCP1316MT-30HE

Public Made by Adom

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Microchip Tech Monitors & Reset Circuits, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MCP1316MT-30HE

Microchip Tech · Monitors & Reset Circuits · SOT-23-5

MCP1316MT-30HE 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 RST output Active-low open-drain Reset output with internal pull-up resistor (typically 4.7 kΩ) on the MCP1316M that goes low when VDD falls below VTRIP, MR is forced low, WDI sees no edge within the time-out period, or during power-up.
2 VSS power_in Ground reference for the device.
3 MR input Active-low Manual Reset input with internal pull-up and noise filtering, which allows a push button to ground to force RST active.
4 WDI input Watchdog Timer input where an edge transition resets the watchdog counter, a falling edge is required to start the timer, and no edge within the time-out period forces RST active.
5 VDD power_in Positive supply for the device and the monitored voltage, with operating range of 1.0V to 5.5V.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-5
Category Power Supply Chip
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
Operating Voltage Range VDD 1 5.5 V 3
Specified VDD Value to VOUT Low VDD 1 V IRST = 10 µA, VRST < 0.3V 3
Operating Current, Watchdog Timer Active IDD 5 10 µA Watchdog Timer Active 3
Operating Current, Watchdog Timer Inactive IDD 1 2 µA Watchdog Timer Inactive 3
Operating Current, VDD below trip point IDD 1 2 µA VDD < VTRIP 3
Operating Current, Reset Delay Timer Active IDD 5 10 µA Reset Delay Timer Active 3
VDD Trip Point MCP13XX-30 VTRIP 2.955 3 3.045 V TA = +25°C (Note 1) 4
VDD Trip Point MCP13XX-30 VTRIP 2.925 3 3.075 V TA = -40°C to +125°C (Note 2) 4
Threshold Hysteresis MCP13XX-30 VHYS 0.03 0.18 V TA = +25°C (Note 3) 6
RST/RST Low-Level Output Voltage VOL 0.3 V IOL = 50 µA, 1.0V ≤ VDD ≤ 1.5V 8
Open-Drain High Voltage on Output VODH 13.5 V Open-Drain Output pin only, VDD = 3.0V, Time voltage > 5.5V applied ≤ 100 s, current into pin limited to 2 mA, +25°C operation recommended (Note 4, Note 5) 8
Input Leakage Current (MR and WDI) IIL -1 1 µA VSS ≤ VPIN ≤ VDD 8
Open-Drain Output Leakage Current IOD 0.003 1 µA 8
Output Pin Capacitive Loading (RST and RST) CO 50 pF This is the tester loading to meet the AC timing specifications. 8
Reset active time tRST 20 30 40 ms Note 2 9
MR Pulse Width tMR 1 µs 10
WDI Pulse Width tWP 50 ns 10
Watchdog Time-Out Period tWD 17.9 25.6 38.4 sec Note 1 10
Specified Temperature Range TA -40 125 °C Except MCP13XX-25 (or below) 11
Maximum Junction Temperature TJ 150 °C 11
Storage Temperature Range TA -65 150 °C 11
Supply Voltage (VDD to VSS) 7 V 3
Input current (VDD) 10 mA 3
Output current (RST) 10 mA 3
Storage temperature -65 150 °C 3
Ambient temp. with power applied -40 125 °C 3
Maximum Junction temp. with power applied 150 °C 3
ESD protection on all pins 4 kV 3
VDD Trip Point Tempco TTPCO 40 ppm/°C ±40 ppm/°C 5
Falling VDD Trip Point Detected to RST or RST Active tRPD 650 µs VDD ramped from VTRIPMAX + 250 mV down to VTRIPMIN, 200 mV, VDD falling @ 5 mV/µs, CL = 50 pF (Note 1) 9
RST Rise Time after RST Active (Push-Pull Outputs only) tRT 5 µs For RST 10% to 90% of VDD, CL = 50 pF (Note 1) 9
RST Fall Time after RST Inactive tFT 5 µs For RST 90% to 10% of VDD, CL = 50 pF (Note 1) 9
MR Active to RST/RST Active tMRD 235 ns VDD = 5.0V 10
MR Input Noise filter tNF 150 ns VDD = 5.0V 10
Pull-up Resistance MR pin RPU 52 kΩ VDD = 5.5V 8
Pull-up Resistance WDI pin RPU 52 kΩ VDD = 5.5V 8
Pull-up Resistance RST pin RPU 4.7 kΩ VDD = 5.5V, MCP131XM devices only 8
Input Pin Capacitance (MR and WDI) CI 100 pF 8
Thermal Resistance, 5L-SOT-23 θJA 220.7 °C/W 11

CAD (KiCad official)

  • Symbol: MCP1316MT-30HE
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mcp1316mt-30he-etched.step / mcp1316mt-30he-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp1316mt-30he.step / mcp1316mt-30he.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (54 pp, sha256 f313bca289b277f3, retrieved 2026-10-23, 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