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FD2109S

Fortior Tech · Gate Drivers · SOIC-8

FD2109S from Fortior Tech, 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 Low-side supply voltage, recommended 10 V to 18 V referenced to COM, with absolute maximum -0.3 V to 24 V.
2 VB power_in High-side floating supply, recommended VS+10 V to VS+18 V, with absolute maximum of 204 V referenced to COM.
3 HO output High-side gate drive output, swinging between VS and VB (absolute range VS-0.3 V to VB+0.3 V), in phase with HIN.
4 VS power_in High-side floating offset voltage, allowed from VB-24 V to VB+0.3 V, with dVS/dt limited to 50 V/ns.
5 LIN input Low-side logic input, compatible with 3.3 V and 5 V logic (VIL max 0.8 V, VIH min 2.7 V), with absolute range -0.3 V to VCC+0.3 V.
6 HIN input High-side logic input, compatible with 3.3 V and 5 V logic (VIL max 0.8 V, VIH min 2.7 V), with absolute range -0.3 V to VCC+0.3 V.
7 COM power_in Ground reference for all pins; all voltages in the datasheet are referenced to COM.
8 LO output Low-side gate drive output, swinging between COM and VCC (absolute range -0.3 V to VCC+0.3 V), in phase with LIN.

Key specifications

Parameter Value
Manufacturer Fortior Tech
Package SOIC-8
Category Motor Driver 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
高侧浮动绝对电压 (VB absolute max) VB -0.3 204 V 2
低侧供电电压 (VCC absolute max) VCC -0.3 24 V 2
低侧输出电压 (VLO absolute max) VLO -0.3 V 2
逻辑输入电压 (HIN, LIN) absolute max VIN -0.3 V 2
偏移电压压摆率范围 (dVS/dt) dVS/dt 50 V/ns 2
功率耗散 (PD) PD 0.625 W TA≤25C, SOIC-8 2
结对环境的热阻 (RthJA) RthJA 200 C/W SOIC-8 2
结温范围 (Tj) Tj 150 C 2
储存温度范围 (Tstg) Tstg -55 150 C 2
低侧供电电压 (VCC recommended) VCC 10 18 V 2
低侧输出电压 (VLO recommended) VLO 0 V 2
逻辑输入电压 (HIN, LIN) recommended VIN 0 V 2
环境温度 (TA) TA -40 125 C 2
高电平输入阈值电压 (VIH) VIH 2.7 V 3
低电平输入阈值电压 (VIL) VIL 0.8 V 3
VCC欠压保护开启电压 (VCCUV+) VCCUV+ 7.9 8.8 9.7 V 3
VCC欠压保护关断电压 (VCCUV-) VCCUV- 7.3 8.2 9.1 V 3
VCC欠压保护迟滞电压 (VCCUVH) VCCUVH 0.4 0.6 V 3
VBS 欠压保护开启电压 (VBSUV+) VBSUV+ 7.9 8.8 9.7 V 3
VBS 欠压保护关断电压 (VBSUV-) VBSUV- 7.3 8.2 9.1 V 3
VBS 欠压保护迟滞电压 (VBSUVH) VBSUVH 0.4 0.6 V 3
悬浮电源漏电流 (ILK) ILK 0.1 5 μA VB=VS=180V 3
VBS 静态电流 (IQBS) IQBS 100 200 μA VIN=0V 或 5V 3
VCC静态电流 (IQCC) IQCC 300 600 uA VIN =0V 或 5V 3
LIN 高电平输入偏置电流 (ILIN+) ILIN+ 30 50 μA VLIN=5V 3
LIN 低电平输入偏置电流 (ILIN-) ILIN- 1 μA VLIN=0V 3
HIN 高电平输入偏置电流 (IHIN+) IHIN+ 30 50 μA VHIN=5V 3
HIN 低电平输入偏置电流 (IHIN-) IHIN- 1 μA VHIN=0V 3
高电平输出电压 (VOH) VOH 0.12 0.2 V IO=100mA 3
低电平输出电压 (VOL) VOL 0.065 0.12 V IO=100mA 3
高电平输出短路脉冲电流 (IOH) IOH 3 5 A VO=0V,PWD≤10μs 3
低电平输出短路脉冲电流 (IOL) IOL 3 5 A VO=15V,PWD≤10μs 3
输出上升沿传输时间 (ton) ton 380 600 ns CL=1000pF 3
输出下降沿传输时间 (toff) toff 100 200 ns CL=1000pF 3
输出上升时间 (tr) tr 10 ns CL=1000pF 3
输出下降时间 (tf) tf 10 ns CL=1000pF 3
死区时间 (DT) DT 280 500 ns 3
高低侧延时匹配 (MT) MT 50 ns 3

CAD (KiCad official)

  • Symbol: FD2109S
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: fd2109s-etched.step / fd2109s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fd2109s.step / fd2109s.glb are the bare package body.

Provenance

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

  • Datasheet: Fortior Tech datasheet (9 pp, sha256 0ae423a18266cf4f, retrieved 2026-10-17, 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