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Contents

README

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TF2104M-TAH

TFSS · Gate Drive ICs · SOIC-8

TF2104M-TAH from TFSS, 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 VCC power_in Logic and low side supply, recommended 10V to 20V.
2 IN input Logic input for high-side and low-side gate driver outputs (HO and LO), in phase with HO, with 3.3V logic capability and a recommended 0V to 5V input range.
3 SD* input Logic input for shutdown, enabled low.
4 COM power_in Low-side and logic return.
5 LO output Low-side gate drive output.
6 VS power_in High-side floating supply return, with offset up to 600V.
7 HO output High-side gate drive output.
8 VB power_in High-side floating supply, recommended VS + 10V to VS + 20V.

Key specifications

Parameter Value
Manufacturer TFSS
Package SOIC-8
Category Power Management ICs
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
High side floating supply absolute voltage (VCC supply range, low side) VCC 10 20 V 3
Logic input voltage (IN and SD*) VIN 0 5 V 3
Ambient temperature TA -40 125 °C 3
Low side output voltage VLO 0 V 3
High side floating supply offset voltage VS 600 V NOTE3: logic operational for VS of -5V to +600V 3
Input pulse amplitude (IN and SD*) for optimal operation 2.5 V NOTE5: recommended for optimal operation 4
Input pulse width (IN and SD*) for optimal operation 840 ns NOTE5: recommended for optimal operation 4
VB - High side floating supply voltage VB -0.3 624 V 3
Offset supply voltage transient dVS/dt 50 V/ns 3
VCC - Low-side fixed supply voltage VCC -0.3 24 V 3
Low-side output voltage VLO -0.3 V 3
Logic input voltage (IN and SD*) VIN -0.3 V 3
Junction operating temperature TJ 150 °C 3
Lead temperature (soldering) TL 300 °C soldering, 10 seconds 3
Storage temperature Tstg -55 150 °C 3
Logic '1' (IN) & Logic '0' (SD*) input voltage VIH 2.5 V VCC= 10V to 20V 4
Logic '0' (IN) & Logic '1' (SD*) input voltage VIL 0.8 V 4
High level output voltage, VBIAS - VO VOH 0.05 0.2 V IO = 2mA 4
Low level output voltage, VO VOL 0.02 0.1 V IO = 2mA 4
Offset supply leakage current ILK 50 mA VB = VS = 600V 4
Quiescent VBS supply current IBSQ 60 100 mA VIN = 0V or 5V 4
Quiescent VCC supply current ICCQ1 350 500 mA IN=0V or 5V, SD*=5V 4
Quiescent VCC supply current in shutdown ICCQ2 590 750 mA IN=0V or 5V, SD*=0V 4
Logic '1' input bias current IIN+ 3 10 mA IN = 5V, SD* = 0V 4
Logic '0' input bias current IIN- 5 mA IN = 0V, SD* = 5V 4
VCC supply under-voltage positive going threshold VCCUV+ 8 8.9 9.8 V 4
VCC supply under-voltage negative going threshold VCCUV- 7.4 8.2 9 V 4
VBS supply under-voltage positive going threshold VBSUV+ 4.5 5.5 6.5 V 4
VBS supply under-voltage negative going threshold VBSUV- 4.2 5.2 6.2 V 4
Output high short circuit pulsed current IO+ 130 290 mA VO = 0V, PW ≤ 10 ms 4
Output low short circuit pulsed current IO- 270 600 mA VO = 15V, PW ≤ 10 ms 4
Turn-on propagation delay ton 680 820 ns VS = 0V 5
Turn-off propagation delay toff 150 220 ns VS = 600V 5
Shutdown propagation delay tSD 160 220 ns 5
Delay matching, HS & LS turn-on/turn-off tDM 60 ns 5
Turn-on rise time tr 70 170 ns VS = 0V 5
Turn-off fall time tf 35 90 ns 5
Deadtime: tDT LO-HO & tDT HO-LO tDT 300 420 650 ns 5

CAD (KiCad official)

  • Symbol: TF2104M-TAH
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: tf2104m-tah-etched.step / tf2104m-tah-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tf2104m-tah.step / tf2104m-tah.glb are the bare package body.

Provenance

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

  • Datasheet: TFSS datasheet (9 pp, sha256 c44ac411bba323cb, retrieved 2026-11-04, 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