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TMI3113H2D

Public Made by Adom

by adom

TMI DC-DC Converters, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TMI3113H2D

TMI · DC-DC Converters · DFN-8-EP(2x2)

TMI3113H2D from TMI, in a DFN-8-EP(2x2). 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 FB input Output voltage feedback pin; an internal resistive divider scales the output voltage for comparison to the internal 0.6V reference (regulated feedback voltage 0.588V to 0.612V in PWM).
2 PG output Power good open-drain output that goes high impedance when the output is above 91% of the regulated nominal voltage and is pulled low when it falls below that threshold; power good sink current is 2mA.
3 IN power_in Analog supply input, operating over 2.7V to 5.5V with input UVLO at 2.5V rising and input OVP at 6.1V typical.
4 GND power_in Ground pin.
5 NC unconnected Labeled NC in the DFN2x2-8 top view; the pin description table does not list this pin.
6 LX output Power switch output connected to the inductor and to the drains of the internal P-channel and N-channel MOSFETs; absolute maximum LX voltage is -0.3V to 7V (-2.5V to 7.5V for under 10ns transients).
7 EN input Enable pin: drive above 1.5V to turn the part on and below 0.4V to turn it off; do not leave EN floating.
8 GND power_in Ground pin (the pin description table lists GND at DFN pins 4 and 8).
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer TMI
Package DFN-8-EP(2x2)
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
Input Supply Voltage -0.3 7 V 2
LX Voltages -0.3 7 V 2
LX Voltages (<10ns transient) -2.5 7.5 V <10ns transient 2
LX Voltages (<5ns transient) -3.5 8.5 V <5ns transient 2
EN, FB, PG Voltage -0.3 7 V 2
Storage Temperature Range -65 150 °C 2
Junction Temperature 160 °C 2
Power Dissipation (DFN2x2-8) 2.6 W 2
Lead Temperature (Soldering, 10s) 260 °C 2
Voltage Range IN 2.7 5.5 V 3
TJ Operating Junction Temperature Range TJ -40 125 °C 3
TA Operating Ambient Temperature Range TA -40 85 °C 3
Input Voltage Range 2.7 5.5 V 4
Quiescent Current 50 85 µA VEN =2.0V, IOUT=0A, VFB=VREF x 105% 4
Shutdown Current 0.1 1 µA VEN = 0V 4
Regulated Feedback Voltage VFB 0.588 0.6 0.612 V PWM operation, TA = 25°C 4
EN Leakage Current 0.01 1 µA 4
LX Leakage Current 0.01 1 µA VEN = 0V, VIN = VLX = 5V 4
Junction-to-ambient thermal resistance of DFN2x2-8 θJA 52 °C/W 3
Junction-to-case(bottom) thermal resistance of DFN2x2-8 θJC 12 °C/W 3

CAD (KiCad official)

  • Symbol: TMI3113H2D
  • Footprint: Package_DFN_QFN:DFN-8-1EP_2x2mm_P0.5mm_EP0.6x1.2mm
  • 3D model: DFN-8-EP(2x2) (KiCad packages3D, STEP)
  • 3D model files: tmi3113h2d-etched.step / tmi3113h2d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmi3113h2d.step / tmi3113h2d.glb are the bare package body.

Provenance

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

  • Datasheet: TMI datasheet (18 pp, sha256 4671094b33abf2a7, 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