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LM3414HVSD

Public Made by Adom

by adom

Texas Instruments LED Drivers, WSON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM3414HVSD

Texas Instruments · LED Drivers · WSON-8-EP(3x3)

LM3414HVSD from Texas Instruments, in a WSON-8-EP(3x3). 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 VCC power_out Internal regulator output that should be bypassed to ground with a ceramic capacitor of at least 1 µF.
2 PGND power_in Power ground and reference point for all stated voltages, which must be externally connected to EP and GND.
3 IADJ input Average output current adjustment pin; connect resistor RIADJ from this pin to ground to set the average LED current, with IADJ to GND limited to -0.3 V to 5 V.
4 GND power_in Analog ground for internal circuitry, which must be connected to PGND external to the package.
5 FS input Switching frequency setting pin; connect resistor RFS from this pin to ground to set the switching frequency between 250 kHz and 1000 kHz, with FS to GND limited to -0.3 V to 5 V.
6 DIM input PWM dimming control pin where a logic-level PWM signal sets the LED string brightness, with DIM to GND limited to -0.3 V to 6 V.
7 LX output Drain of the internal N-channel MOSFET switch that connects to the output inductor and the Schottky diode anode, with LX to PGND rated -0.3 V to 42 V (LM3414) or -0.3 V to 65 V (LM3414HV) and -3 V for 2 ns transients.
8 VIN power_in Input voltage pin that should be operated between 4.5 V and 42 V (LM3414) or 4.5 V and 65 V (LM3414HV).
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-8-EP(3x3)
Category LED Drivers
Pins 9

CAD (KiCad official)

  • Symbol: LM3414HVSD
  • Footprint: Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm
  • 3D model: WSON-8-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: lm3414hvsd-etched.step / lm3414hvsd-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm3414hvsd.step / lm3414hvsd.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (35 pp, sha256 50a54d53a0e6ecb0, retrieved 2026-10-10, 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