component
FM TC6803S
Public Made by Adomby adom
Shenzhen Fuman Stepper Motor Driver, SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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FM TC6803S
Shenzhen Fuman · Stepper Motor Driver · SSOP-24
FM TC6803S from Shenzhen Fuman, in a SSOP-24. 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 | B1 | input | Darlington channel 1 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 2 | B2 | input | Darlington channel 2 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 3 | B3 | input | Darlington channel 3 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 4 | B4 | input | Darlington channel 4 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 5 | B5 | input | Darlington channel 5 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 6 | B6 | input | Darlington channel 6 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 7 | B7 | input | Darlington channel 7 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 8 | B8 | input | Darlington channel 8 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 9 | INA | input | H-bridge forward control input; high level is 2.0 V minimum to 5 V maximum and low level is 0.8 V maximum. |
| 10 | INB | input | H-bridge reverse control input; high level is 2.0 V minimum to 5 V maximum and low level is 0.8 V maximum. |
| 11 | GND | power_in | H-bridge ground pin. |
| 12 | E | power_in | Darlington array emitter ground pin. |
| 13 | VDD | power_in | H-bridge supply input, with an operating range of 2 V minimum to 7.2 V maximum (5 V typical). |
| 14 | OUTA | output | H-bridge forward drive output with 0.5 Ω typical and 0.8 Ω maximum on-resistance at ±1000 mA. |
| 15 | OUTB | output | H-bridge reverse drive output with 0.5 Ω typical and 0.8 Ω maximum on-resistance at ±1000 mA. |
| 16 | COM | passive | Common node of the Darlington clamp and freewheel diodes; clamp diode reverse voltage is limited to 50 V and forward peak current to 350 mA. |
| 17 | C8 | output | Darlington channel 8 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 18 | C7 | output | Darlington channel 7 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 19 | C6 | output | Darlington channel 6 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 20 | C5 | output | Darlington channel 5 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 21 | C4 | output | Darlington channel 4 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 22 | C3 | output | Darlington channel 3 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 23 | C2 | output | Darlington channel 2 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 24 | C1 | output | Darlington channel 1 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Fuman |
| Package | SSOP-24 |
| Category | Motor Driver ICs |
| Pins | 24 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| 工作电压 (H-bridge supply) | VDD | 2 | 5 | 7.2 | V | 3 | |
| 静态电流 (quiescent current) | IVDDST | 0.2 | 10 | uA | INA=INB=0V | 3 | |
| 驱动输出电流 (drive output current) | 700 | 1000 | mA | VDD=6.5V | 3 | ||
| 高电平输入电压 | VINH | 2 | 5 | V | 3 | ||
| 低电平输入电压 | VINL | 0.8 | V | 3 | |||
| 高电平输入电流 | IINH | 250 | 400 | uA | VIN=3V | 3 | |
| 低电平输入电流 | IINL | -1 | 0 | uA | VIN=0V | 3 | |
| 输出导通阻抗 | RON | 0.5 | 0.8 | Ω | Io=±1000mA | 3 | |
| PWM 频率 | fPWM | 20 | 50 | KHz | 3 | ||
| 接触测试 (contact test) | OS | -1 | -0.55 | -0.3 | V | -100uA test OS | 2 |
| 集电极关断电流 | ICEX | 15 | μA | VCE=50V；II=0 | 2 | ||
| 输入端开启电流 | II（ON） | 0.6 | 0.9 | 1.2 | mA | VI=3.85V | 2 |
| 输入端开启电压 | VI（ON） | 0.6 | 1 | 1.4 | V | VCE=2V; IC=200mA | 2 |
| 输入端开启电压 | VI（ON） | 1 | 1.4 | 1.8 | V | VCE=2V; IC=250mA | 2 |
| 输入端开启电压 | VI（ON） | 1.2 | 1.6 | 2 | V | VCE=2V; IC=300mA | 2 |
| CE饱和压降 | VCE（SAT） | 0.6 | 0.9 | 1.2 | V | II=250uA; IC=100mA | 2 |
| CE饱和压降 | VCE（SAT） | 0.7 | 1 | 1.4 | V | II=350uA; IC=200mA | 2 |
| CE饱和压降 | VCE（SAT） | 0.9 | 1.3 | 1.7 | V | II=500uA; IC=350mA | 2 |
| 嵌位二极管反向漏电 | IR | 15 | μA | VR=50V | 2 | ||
| 嵌位二极管正向压降 | VF | 1 | 1.6 | 1.9 | V | IF=350mA | 2 |
| 集电极-发射极电压 (recommended) | VCE | 0 | 50 | V | 3 | ||
| 输出电流 (recommended, duty 10%) | IOUT | 0 | 233 | mA/ch | TPW=25ms; TA=85℃; TJ=120℃; Duty=10% | 3 | |
| 输出电流 (recommended, duty 50%) | IOUT | 0 | 70 | mA | TPW=25ms; TA=85℃; TJ=120℃; Duty=50% | 3 | |
| 控制信号输入电压 | VIN | 0 | 24 | V | 3 | ||
| 输入电压（输出开启） | VIN(ON) | 2.8 | 24 | V | Iout=400mA；hFE=800 | 3 | |
| 输入电压（输出关断） | VIN(OFF) | 0 | 0.7 | V | 3 | ||
| 钳位二极管反向电压 | VR | 50 | V | 3 | |||
| 钳位二极管正向峰值电流 | IF | 350 | mA | 3 | |||
| 工作温度范围 | TA | -40 | 85 | ℃ | 3 | ||
| 马达堵转峰值电流上限 (peak current) | 1.5 | A | motor stall current; do not exceed | 7 | |||
| 正反转切换之间的停止时间 | 0.5 | mS | recommended between forward and reverse switching | 7 | |||
| 过热保护动作温度 (TSD threshold) | 150 | ℃ | junction temperature, typical | 7 | |||
| 过热保护恢复温度 (TSD return) | 130 | ℃ | junction temperature, typical | 7 | |||
| 输出导通阻抗 RIN pull-down | RIN | 75 | KΩ | 3 |
CAD (KiCad official)
- Symbol:
FM TC6803S - Footprint:
Package_SO:SSOP-24_5.3x8.2mm_P0.65mm - 3D model: SSOP-24 (KiCad packages3D, STEP)
- 3D model files:
fm-tc6803s-etched.step/fm-tc6803s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fm-tc6803s.step/fm-tc6803s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen Fuman datasheet (8 pp, sha256
cb899617135a42c8, retrieved 2026-10-18, 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# FM TC6803S
**Shenzhen Fuman** · Stepper Motor Driver · SSOP-24
FM TC6803S from Shenzhen Fuman, in a SSOP-24. 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 | B1 | input | Darlington channel 1 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 2 | B2 | input | Darlington channel 2 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 3 | B3 | input | Darlington channel 3 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 4 | B4 | input | Darlington channel 4 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 5 | B5 | input | Darlington channel 5 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 6 | B6 | input | Darlington channel 6 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 7 | B7 | input | Darlington channel 7 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 8 | B8 | input | Darlington channel 8 logic control input, TTL/CMOS compatible, with a recommended control input voltage range of 0 to 24 V. |
| 9 | INA | input | H-bridge forward control input; high level is 2.0 V minimum to 5 V maximum and low level is 0.8 V maximum. |
| 10 | INB | input | H-bridge reverse control input; high level is 2.0 V minimum to 5 V maximum and low level is 0.8 V maximum. |
| 11 | GND | power_in | H-bridge ground pin. |
| 12 | E | power_in | Darlington array emitter ground pin. |
| 13 | VDD | power_in | H-bridge supply input, with an operating range of 2 V minimum to 7.2 V maximum (5 V typical). |
| 14 | OUTA | output | H-bridge forward drive output with 0.5 Ω typical and 0.8 Ω maximum on-resistance at ±1000 mA. |
| 15 | OUTB | output | H-bridge reverse drive output with 0.5 Ω typical and 0.8 Ω maximum on-resistance at ±1000 mA. |
| 16 | COM | passive | Common node of the Darlington clamp and freewheel diodes; clamp diode reverse voltage is limited to 50 V and forward peak current to 350 mA. |
| 17 | C8 | output | Darlington channel 8 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 18 | C7 | output | Darlington channel 7 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 19 | C6 | output | Darlington channel 6 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 20 | C5 | output | Darlington channel 5 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 21 | C4 | output | Darlington channel 4 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 22 | C3 | output | Darlington channel 3 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 23 | C2 | output | Darlington channel 2 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
| 24 | C1 | output | Darlington channel 1 open-collector driver output, rated up to 500 mA per channel and 50 V collector-emitter. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen Fuman |
| Package | SSOP-24 |
| Category | Motor Driver ICs |
| Pins | 24 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| 工作电压 (H-bridge supply) | VDD | 2 | 5 | 7.2 | V | | 3 |
| 静态电流 (quiescent current) | IVDDST | | 0.2 | 10 | uA | INA=INB=0V | 3 |
| 驱动输出电流 (drive output current) | | | 700 | 1000 | mA | VDD=6.5V | 3 |
| 高电平输入电压 | VINH | 2 | | 5 | V | | 3 |
| 低电平输入电压 | VINL | | | 0.8 | V | | 3 |
| 高电平输入电流 | IINH | | 250 | 400 | uA | VIN=3V | 3 |
| 低电平输入电流 | IINL | -1 | 0 | | uA | VIN=0V | 3 |
| 输出导通阻抗 | RON | | 0.5 | 0.8 | Ω | Io=±1000mA | 3 |
| PWM 频率 | fPWM | | 20 | 50 | KHz | | 3 |
| 接触测试 (contact test) | OS | -1 | -0.55 | -0.3 | V | -100uA test OS | 2 |
| 集电极关断电流 | ICEX | | | 15 | μA | VCE=50V；II=0 | 2 |
| 输入端开启电流 | II（ON） | 0.6 | 0.9 | 1.2 | mA | VI=3.85V | 2 |
| 输入端开启电压 | VI（ON） | 0.6 | 1 | 1.4 | V | VCE=2V; IC=200mA | 2 |
| 输入端开启电压 | VI（ON） | 1 | 1.4 | 1.8 | V | VCE=2V; IC=250mA | 2 |
| 输入端开启电压 | VI（ON） | 1.2 | 1.6 | 2 | V | VCE=2V; IC=300mA | 2 |
| CE饱和压降 | VCE（SAT） | 0.6 | 0.9 | 1.2 | V | II=250uA; IC=100mA | 2 |
| CE饱和压降 | VCE（SAT） | 0.7 | 1 | 1.4 | V | II=350uA; IC=200mA | 2 |
| CE饱和压降 | VCE（SAT） | 0.9 | 1.3 | 1.7 | V | II=500uA; IC=350mA | 2 |
| 嵌位二极管反向漏电 | IR | | | 15 | μA | VR=50V | 2 |
| 嵌位二极管正向压降 | VF | 1 | 1.6 | 1.9 | V | IF=350mA | 2 |
| 集电极-发射极电压 (recommended) | VCE | 0 | | 50 | V | | 3 |
| 输出电流 (recommended, duty 10%) | IOUT | 0 | | 233 | mA/ch | TPW=25ms; TA=85℃; TJ=120℃; Duty=10% | 3 |
| 输出电流 (recommended, duty 50%) | IOUT | 0 | | 70 | mA | TPW=25ms; TA=85℃; TJ=120℃; Duty=50% | 3 |
| 控制信号输入电压 | VIN | 0 | | 24 | V | | 3 |
| 输入电压（输出开启） | VIN(ON) | 2.8 | | 24 | V | Iout=400mA；hFE=800 | 3 |
| 输入电压（输出关断） | VIN(OFF) | 0 | | 0.7 | V | | 3 |
| 钳位二极管反向电压 | VR | | | 50 | V | | 3 |
| 钳位二极管正向峰值电流 | IF | | | 350 | mA | | 3 |
| 工作温度范围 | TA | -40 | | 85 | ℃ | | 3 |
| 马达堵转峰值电流上限 (peak current) | | | | 1.5 | A | motor stall current; do not exceed | 7 |
| 正反转切换之间的停止时间 | | 0.5 | | | mS | recommended between forward and reverse switching | 7 |
| 过热保护动作温度 (TSD threshold) | | | 150 | | ℃ | junction temperature, typical | 7 |
| 过热保护恢复温度 (TSD return) | | | 130 | | ℃ | junction temperature, typical | 7 |
| 输出导通阻抗 RIN pull-down | RIN | | 75 | | KΩ | | 3 |
## CAD (KiCad official)
- Symbol: `FM TC6803S`
- Footprint: `Package_SO:SSOP-24_5.3x8.2mm_P0.65mm`
- 3D model: SSOP-24 (KiCad packages3D, STEP)
- 3D model files: `fm-tc6803s-etched.step` / `fm-tc6803s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fm-tc6803s.step` / `fm-tc6803s.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shenzhen Fuman datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603322641982115840) (8 pp, sha256 `cb899617135a42c8`, retrieved 2026-10-18, 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](docs/fm-tc6803s-datasheet.pdf)