component

TL3842BDR-8

Public Made by Adom

by adom

Texas Instruments AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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tl3842bdr-8-etched.step tl3842bdr-8: factory component page (tier=lcsc) · Ray 29d ago
tl3842bdr-8-hero.glb tl3842bdr-8: hero GLB from the etched model (keeps the MPN mark) · Ray 29d ago
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TL3842BDR-8

Texas Instruments · AC-DC Controllers And Regulators · SOIC-8

TL3842BDR-8 from Texas Instruments, in a SOIC-8. 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 COMP bidirectional Error amplifier compensation pin; the error amplifier output sink current is limited to 10 mA maximum.
2 VFB input Error amplifier input; the recommended input voltage range is 0 to 5.5 V (absolute maximum -0.3 V to 6.3 V).
3 ISENSE input Current sense comparator input; the recommended input voltage range is 0 to 5.5 V (absolute maximum -0.3 V to 6.3 V).
4 RT/CT bidirectional Oscillator RC input; the recommended input voltage range is 0 to 5.5 V, supporting an oscillator frequency of 100 kHz to 500 kHz.
5 GND power_in Device power supply ground terminal to which all device voltages are referenced.
6 OUTPUT output PWM output; the recommended output voltage range is 0 to 30 V, with an average output current of 200 mA maximum and an absolute maximum output current of ±1 A.
7 VCC power_in Device positive supply voltage; the recommended supply voltage is up to 30 V, with supply current externally limited to 25 mA.
8 VREF power_in Oscillator voltage reference output; the recommended reference output current is -20 mA.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: TL3842BDR-8
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: tl3842bdr-8-etched.step / tl3842bdr-8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tl3842bdr-8.step / tl3842bdr-8.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (32 pp, sha256 a69cfad5c4f4ed99, retrieved 2026-10-10, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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