component
SS6343M-QF-TP
Public Made by Adomby adom
LEADPOWER Brushless DC (BLDC) Motor Driver, QFN-24-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SS6343M-QF-TP
LEADPOWER · Brushless DC (BLDC) Motor Driver · QFN-24-EP(3x4)
SS6343M-QF-TP from LEADPOWER, in a QFN-24-EP(3x4). 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 | ENA | input | Channel A enable input; when low the SA output is high-impedance and PWMA is ignored, and when high the output follows PWMA. |
| 2 | ENB | input | Channel B enable input; when low the SB output is high-impedance and PWMB is ignored, and when high the output follows PWMB. |
| 3 | ENC | input | Channel C enable input; when low the SC output is high-impedance and PWMC is ignored, and when high the output follows PWMC. |
| 4 | PWMA | input | Channel A PWM input that controls the SA output state when ENA is high. |
| 5 | PWMB | input | Channel B PWM input that controls the SB output state when ENB is high. |
| 6 | PWMC | input | Channel C PWM input that controls the SC output state when ENC is high. |
| 7 | VIN | power_in | Input power supply for the motor driver, operating range 3 V to 16 V with absolute maximum 20 V; all VIN pins must be tied to the same supply. |
| 8 | LSS | power_in | Low-side source ground connection for channels A/B/C that must be connected directly to GND. |
| 9 | SA | output | Channel A half-bridge output; SA voltage must stay between -0.3 V and VIN+0.3 V. |
| 10 | SB | output | Channel B half-bridge output; SB voltage must stay between -0.3 V and VIN+0.3 V. |
| 11 | SC | output | Channel C half-bridge output; SC voltage must stay between -0.3 V and VIN+0.3 V. |
| 12 | LSS | power_in | Low-side source ground connection for channels A/B/C that must be connected directly to GND. |
| 13 | VIN | power_in | Input power supply for the motor driver, operating range 3 V to 16 V with absolute maximum 20 V; all VIN pins must be tied to the same supply. |
| 14 | VCP | power_out | Charge-pump output generating about VIN+3.3 V for high-side gate drive; connect a 1 uF, 16 V X7R ceramic capacitor between VIN and VCP (rated at least 10 V per the function description). |
| 15 | GND | power_in | Ground reference for the device. |
| 16 | VIN_LDO | power_in | Power supply input for the internal 3.3 V LDO. |
| 17 | NC | unconnected | Internal no-connect pin. |
| 18 | V3P3 | power_out | 3.3 V LDO output that supplies the low-side gate drivers and can source 100 mA; bypass to ground with a 4.7 uF to 10 uF capacitor. |
| 19 | NC | unconnected | Internal no-connect pin. |
| 20 | nFAULT | output | Open-drain fault indicator that is driven low during overcurrent or overtemperature faults and requires an external pull-up resistor. |
| 21 | NC | unconnected | Internal no-connect pin. |
| 22 | NC | unconnected | Internal no-connect pin. |
| 23 | NC | unconnected | Internal no-connect pin. |
| 24 | nSLEEP | input | Sleep-mode input where a logic low enters low-power sleep, with VIH at least 1.5 V, VIL at most 0.4 V, and an internal 500 kΩ pull-down. |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LEADPOWER |
| Package | QFN-24-EP(3x4) |
| Category | Motor Driver ICs |
| Pins | 25 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input supply voltage (recommended) | VIN | 3 | 16 | V | 4 | ||
| Operating junction temperature (recommended) | TJ | -40 | 150 | ºC | 4 | ||
| Output current capability (recommended) | IOUT | 2 | A | 4 | |||
| Supply voltage VIN, VIN_LDO (absolute maximum) | VIN,VIN_LDO | -0.3 | 20 | V | 3 | ||
| SX output voltage (absolute maximum) | VSX | -0.3 | V | 3 | |||
| Charge pump output voltage (absolute maximum) | VCP | -0.3 | V | 3 | |||
| GND to LSS voltage (absolute maximum) | GND to LSS | -0.3 | 0.3 | V | 3 | ||
| Other pins voltage (absolute maximum) | -0.3 | 5 | V | 3 | |||
| Operating junction temperature (absolute maximum) | TJ | -40 | 150 | ºC | 3 | ||
| Operating ambient temperature (absolute maximum) | TA | -40 | 85 | ºC | 3 | ||
| Storage temperature (absolute maximum) | Tstg | -60 | 150 | ºC | 3 | ||
| ESD human body model | V(ESD) | -2000 | 2000 | V | HBM per ANSI/ESDA/JEDEC JS-001, all pins | 4 | |
| ESD charged device model | V(ESD) | -500 | 500 | V | CDM per JEDEC JESD22-C101, all pins | 4 | |
| Input supply voltage VIN, VIN_LDO | VIN,VIN_LDO | 3 | 16 | V | 4 | ||
| Sleep-state quiescent current | ISLEEP | 100 | 150 | uA | nSLEEP=0 | 4 | |
| V3P3 regulator output voltage | V3P3 | 3.1 | 3.3 | 3.5 | V | IOUT=0 to 100mA | 4 |
| Logic input low-level current | IIL | -20 | 20 | uA | VIN=0 | 5 | |
| Logic input high-level current | IIH | -20 | 20 | uA | VIN=5 V | 5 | |
| UVLO threshold, VIN rising | VUVLO | 2.5 | 2.7 | 2.9 | V | VIN rising edge | 5 |
| Overcurrent protection threshold | IOCP | 5.5 | 7 | 9 | A | 5 | |
| Quiescent current | IQ | 2 | mA | nSLEEP=1,ENX=0 | 4 | ||
| Logic input low voltage | VIL | 0.4 | V | 5 | |||
| Logic input high voltage | VIH | 1.5 | V | 5 | |||
| Power-up delay | tPUD | 1.5 | ms | VIN rising or nSLEEP rising | 5 | ||
| Input internal pull-down resistance | RPD | 500 | kΩ | 5 | |||
| nFAULT pull-down resistance | RON(nFAULT) | 15 | Ω | 5 | |||
| UVLO hysteresis | △VUVLO | 150 | mV | 5 | |||
| OCP blanking time | tOCD | 1 | us | 5 | |||
| OCP restart time | tOCR | 4 | ms | 5 | |||
| Over-temperature shutdown threshold | TTSD | 160 | ºC | TJ rising | 5 | ||
| Over-temperature hysteresis | △TTSD | 40 | ºC | 5 | |||
| HS-FET on-resistance | RON(HS) | 70 | mΩ | IOUT=1A | 5 | ||
| LS-FET on-resistance | RON(LS) | 70 | mΩ | IOUT=1A | 5 | ||
| Output rise time | tR | 25 | ns | RLOAD=50Ω | 5 | ||
| Output fall time | tF | 25 | ns | RLOAD=50Ω | 5 | ||
| Dead time | tDEAD | 40 | ns | RLOAD=50Ω | 5 | ||
| PWMX to SX rising-edge delay | tR_DELAY | 110 | ns | 5 | |||
| PWMX to SX falling-edge delay | tF_DELAY | 110 | ns | 5 | |||
| Junction-to-ambient thermal resistance | RθJA | 48 | ℃/W | QFN3x4-24L | 4 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 10 | ℃/W | QFN3x4-24L | 4 |
CAD (KiCad official)
- Symbol:
SS6343M-QF-TP - Footprint:
Package_DFN_QFN:QFN-24-1EP_3x4mm_P0.4mm_EP1.65x2.65mm - 3D model: QFN-24-EP(3x4) (KiCad packages3D, STEP)
- 3D model files:
ss6343m-qf-tp-etched.step/ss6343m-qf-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ss6343m-qf-tp.step/ss6343m-qf-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LEADPOWER datasheet (10 pp, sha256
1e35bb59d952632e, retrieved 2026-10-21, 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).
# SS6343M-QF-TP
**LEADPOWER** · Brushless DC (BLDC) Motor Driver · QFN-24-EP(3x4)
SS6343M-QF-TP from LEADPOWER, in a QFN-24-EP(3x4). 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 | ENA | input | Channel A enable input; when low the SA output is high-impedance and PWMA is ignored, and when high the output follows PWMA. |
| 2 | ENB | input | Channel B enable input; when low the SB output is high-impedance and PWMB is ignored, and when high the output follows PWMB. |
| 3 | ENC | input | Channel C enable input; when low the SC output is high-impedance and PWMC is ignored, and when high the output follows PWMC. |
| 4 | PWMA | input | Channel A PWM input that controls the SA output state when ENA is high. |
| 5 | PWMB | input | Channel B PWM input that controls the SB output state when ENB is high. |
| 6 | PWMC | input | Channel C PWM input that controls the SC output state when ENC is high. |
| 7 | VIN | power_in | Input power supply for the motor driver, operating range 3 V to 16 V with absolute maximum 20 V; all VIN pins must be tied to the same supply. |
| 8 | LSS | power_in | Low-side source ground connection for channels A/B/C that must be connected directly to GND. |
| 9 | SA | output | Channel A half-bridge output; SA voltage must stay between -0.3 V and VIN+0.3 V. |
| 10 | SB | output | Channel B half-bridge output; SB voltage must stay between -0.3 V and VIN+0.3 V. |
| 11 | SC | output | Channel C half-bridge output; SC voltage must stay between -0.3 V and VIN+0.3 V. |
| 12 | LSS | power_in | Low-side source ground connection for channels A/B/C that must be connected directly to GND. |
| 13 | VIN | power_in | Input power supply for the motor driver, operating range 3 V to 16 V with absolute maximum 20 V; all VIN pins must be tied to the same supply. |
| 14 | VCP | power_out | Charge-pump output generating about VIN+3.3 V for high-side gate drive; connect a 1 uF, 16 V X7R ceramic capacitor between VIN and VCP (rated at least 10 V per the function description). |
| 15 | GND | power_in | Ground reference for the device. |
| 16 | VIN_LDO | power_in | Power supply input for the internal 3.3 V LDO. |
| 17 | NC | unconnected | Internal no-connect pin. |
| 18 | V3P3 | power_out | 3.3 V LDO output that supplies the low-side gate drivers and can source 100 mA; bypass to ground with a 4.7 uF to 10 uF capacitor. |
| 19 | NC | unconnected | Internal no-connect pin. |
| 20 | nFAULT | output | Open-drain fault indicator that is driven low during overcurrent or overtemperature faults and requires an external pull-up resistor. |
| 21 | NC | unconnected | Internal no-connect pin. |
| 22 | NC | unconnected | Internal no-connect pin. |
| 23 | NC | unconnected | Internal no-connect pin. |
| 24 | nSLEEP | input | Sleep-mode input where a logic low enters low-power sleep, with VIH at least 1.5 V, VIL at most 0.4 V, and an internal 500 kΩ pull-down. |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LEADPOWER |
| Package | QFN-24-EP(3x4) |
| Category | Motor Driver ICs |
| Pins | 25 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input supply voltage (recommended) | VIN | 3 | | 16 | V | | 4 |
| Operating junction temperature (recommended) | TJ | -40 | | 150 | ºC | | 4 |
| Output current capability (recommended) | IOUT | | 2 | | A | | 4 |
| Supply voltage VIN, VIN_LDO (absolute maximum) | VIN,VIN_LDO | -0.3 | | 20 | V | | 3 |
| SX output voltage (absolute maximum) | VSX | -0.3 | | | V | | 3 |
| Charge pump output voltage (absolute maximum) | VCP | -0.3 | | | V | | 3 |
| GND to LSS voltage (absolute maximum) | GND to LSS | -0.3 | | 0.3 | V | | 3 |
| Other pins voltage (absolute maximum) | | -0.3 | | 5 | V | | 3 |
| Operating junction temperature (absolute maximum) | TJ | -40 | | 150 | ºC | | 3 |
| Operating ambient temperature (absolute maximum) | TA | -40 | | 85 | ºC | | 3 |
| Storage temperature (absolute maximum) | Tstg | -60 | | 150 | ºC | | 3 |
| ESD human body model | V(ESD) | -2000 | | 2000 | V | HBM per ANSI/ESDA/JEDEC JS-001, all pins | 4 |
| ESD charged device model | V(ESD) | -500 | | 500 | V | CDM per JEDEC JESD22-C101, all pins | 4 |
| Input supply voltage VIN, VIN_LDO | VIN,VIN_LDO | 3 | | 16 | V | | 4 |
| Sleep-state quiescent current | ISLEEP | | 100 | 150 | uA | nSLEEP=0 | 4 |
| V3P3 regulator output voltage | V3P3 | 3.1 | 3.3 | 3.5 | V | IOUT=0 to 100mA | 4 |
| Logic input low-level current | IIL | -20 | | 20 | uA | VIN=0 | 5 |
| Logic input high-level current | IIH | -20 | | 20 | uA | VIN=5 V | 5 |
| UVLO threshold, VIN rising | VUVLO | 2.5 | 2.7 | 2.9 | V | VIN rising edge | 5 |
| Overcurrent protection threshold | IOCP | 5.5 | 7 | 9 | A | | 5 |
| Quiescent current | IQ | | 2 | | mA | nSLEEP=1,ENX=0 | 4 |
| Logic input low voltage | VIL | | 0.4 | | V | | 5 |
| Logic input high voltage | VIH | | 1.5 | | V | | 5 |
| Power-up delay | tPUD | | 1.5 | | ms | VIN rising or nSLEEP rising | 5 |
| Input internal pull-down resistance | RPD | | 500 | | kΩ | | 5 |
| nFAULT pull-down resistance | RON(nFAULT) | | 15 | | Ω | | 5 |
| UVLO hysteresis | △VUVLO | | 150 | | mV | | 5 |
| OCP blanking time | tOCD | | 1 | | us | | 5 |
| OCP restart time | tOCR | | 4 | | ms | | 5 |
| Over-temperature shutdown threshold | TTSD | | 160 | | ºC | TJ rising | 5 |
| Over-temperature hysteresis | △TTSD | | 40 | | ºC | | 5 |
| HS-FET on-resistance | RON(HS) | | 70 | | mΩ | IOUT=1A | 5 |
| LS-FET on-resistance | RON(LS) | | 70 | | mΩ | IOUT=1A | 5 |
| Output rise time | tR | | 25 | | ns | RLOAD=50Ω | 5 |
| Output fall time | tF | | 25 | | ns | RLOAD=50Ω | 5 |
| Dead time | tDEAD | | 40 | | ns | RLOAD=50Ω | 5 |
| PWMX to SX rising-edge delay | tR_DELAY | | 110 | | ns | | 5 |
| PWMX to SX falling-edge delay | tF_DELAY | | 110 | | ns | | 5 |
| Junction-to-ambient thermal resistance | RθJA | | 48 | | ℃/W | QFN3x4-24L | 4 |
| Junction-to-case (top) thermal resistance | RθJC(top) | | 10 | | ℃/W | QFN3x4-24L | 4 |
## CAD (KiCad official)
- Symbol: `SS6343M-QF-TP`
- Footprint: `Package_DFN_QFN:QFN-24-1EP_3x4mm_P0.4mm_EP1.65x2.65mm`
- 3D model: QFN-24-EP(3x4) (KiCad packages3D, STEP)
- 3D model files: `ss6343m-qf-tp-etched.step` / `ss6343m-qf-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ss6343m-qf-tp.step` / `ss6343m-qf-tp.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LEADPOWER datasheet](docs/ss6343m-qf-tp-datasheet.pdf) (10 pp, sha256 `1e35bb59d952632e`, retrieved 2026-10-21, 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/ss6343m-qf-tp-datasheet.pdf)