component

TMI5101

Public Made by Adom

by adom

TMI LED Drivers, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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TMI5101

TMI · LED Drivers · SOT-23-5

TMI5101 from TMI, 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 EN input Chip enable pin: drive EN above 1.5V to turn the part on and below 0.4V to turn it off, and do not leave it floating.
2 GND power_in Ground pin.
3 LX output Power switch output and switch node connection to the inductor.
4 VIN power_in Power supply input (IN voltage range 2.5V to 5.5V), which must be closely decoupled to GND with a 4.7µF or greater ceramic capacitor.
5 FB input Feedback pin: a resistor connected from FB to GND programs the LED current.

Key specifications

Parameter Value
Manufacturer TMI
Package SOT-23-5
Category LED Drivers
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 Supply Voltages -0.3 6.5 V 2
LX Voltages -0.3 6.5 V 2
EN, FB Voltage -0.3 6.5 V 2
LX Voltage (<10ns transient) -2.5 7 V <10ns transient 2
LX Voltage (<5ns transient) -3.5 7.5 V <5ns transient 2
Storage Temperature Range -65 150 °C 2
Junction Temperature TJ -40 150 °C Note 2 2
Power Dissipation PD 600 mW 2
Lead Temperature Soldering 260 °C 10 sec 2
ESD Human Body Model, all pins VESD -2000 2000 V JEDEC JS-001 3
IN Voltage Range 2.5 5.5 V 3
TJ Operating Junction Temperature Range TJ -40 125 °C 3
Input Voltage Range 2.5 5.5 V 4
Quiescent Current 50 65 µA VEN=2.0V, IOUT=0, VFB=VREF*105% 4
Shutdown Current 0.1 1 µA VEN =0V 4
Regulated Feedback Voltage VFB 88 100 112 mV TA = 25°C 4
EN Input Low Level Voltage 0.4 V 4
EN Input High Level Voltage 1.5 V 4
EN Leakage Current -1 0.01 1 µA 4
LX Leakage Current -1 0.01 1 µA VEN=0V, VIN=VLX=5V 4
OVP Threshold 6 V 4
UVLO Threshold 2.1 V 4
Oscillation Frequency 1.5 MHz VFB=100mV 4
Oscillation Frequency 400 kHz VFB=0V 4
On Resistance of PMOS RDS(ON) 0.29 Ω ILX=100mA 4
On Resistance of NMOS RDS(ON) 0.18 Ω ILX=-100mA 4
Peak Current Limit 1.5 A 4
Thermal Shutdown Threshold 155 °C Note 4 4
Thermal Shutdown Hysteresis 20 °C Note 4 4
Junction-to-ambient thermal resistance θJA 200 °C/W JESD51-7, 4-layer PCB (Note 3) 3

CAD (KiCad official)

  • Symbol: TMI5101
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: tmi5101-etched.step / tmi5101-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmi5101.step / tmi5101.glb are the bare package body.

Provenance

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

  • Datasheet: TMI datasheet (9 pp, sha256 782da6e14110ae6b, retrieved 2026-10-17, 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