component
PN8306MSEC-R1
Public Made by Adomby adom
Wuxi Chipown Micro-electronics AC-DC Controllers & Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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PN8306MSEC-R1
Wuxi Chipown Micro-electronics · AC-DC Controllers & Regulators · SOP-8
PN8306MSEC-R1 from Wuxi Chipown Micro-electronics, in a SOP-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 | GND | power_in | Ground potential pin (地电位) of the controller; the datasheet gives no further electrical limit for this pin. |
| 2 | GND | power_in | Ground potential pin (地电位) of the controller; the datasheet gives no further electrical limit for this pin. |
| 3 | NC | unconnected | No-connect pin (空脚) with no internal function assigned in the datasheet. |
| 4 | VCC | power_in | Operating voltage input pin; the absolute maximum VCC rating is -0.3 to 6.5 V, with start-up threshold VCCon of 2.8 to 3.4 V and UVLO threshold VCCoff of 2.5 to 3.1 V. |
| 5 | SW | passive | Drain of the internal power MOSFET used for synchronous rectification; the SW pin withstands -0.3 to 40 V. |
| 6 | SW | passive | Drain of the internal power MOSFET used for synchronous rectification; the SW pin withstands -0.3 to 40 V. |
| 7 | SW | passive | Drain of the internal power MOSFET used for synchronous rectification; the SW pin withstands -0.3 to 40 V. |
| 8 | SW | passive | Drain of the internal power MOSFET used for synchronous rectification; the SW pin withstands -0.3 to 40 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Wuxi Chipown Micro-electronics |
| Package | SOP-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 |
|---|---|---|---|---|---|---|---|
| VCC pin voltage | -0.3 | 6.5 | V | 3 | |||
| SW pin voltage | -0.3 | 40 | V | 3 | |||
| Junction operating temperature range | -40 | 150 | °C | 3 | |||
| Storage temperature range | -55 | 150 | °C | 3 | |||
| Human body model ESD capability (HBM) | -4 | 4 | kV | 3 | |||
| Thermal resistance junction-to-case RθJC (SOP-8) | RθJC | 45 | °C/W | 3 | |||
| Power MOSFET off-state leakage current | IOFF | 20 | 100 | 150 | uA | VSW = 32V, VCC =5V | 3 |
| Power MOSFET threshold voltage | VTH | 1 | 1.3 | 1.6 | V | ISW =250uA | 3 |
| VCC start threshold voltage | VCCon | 2.8 | 3 | 3.4 | V | VCC increase | 3 |
| VCC undervoltage protection threshold voltage | VCCoff | 2.5 | 2.7 | 3.1 | V | VCC decrease | 3 |
| VCC quiescent operating current | IDDOP | 0.2 | 0.4 | 1 | mA | VCC=5V, no switch. | 3 |
| Light-load clamp voltage | V_clamp_L | 5.4 | 5.7 | 6 | V | Fsw=5kHz, VCC increase | 3 |
| Heavy-load clamp voltage | V_clamp_H | 5.7 | 6 | 6.4 | V | Fsw=50kHz, VCC increase | 3 |
| Light-load threshold frequency | F_lightload | 6.8 | 7.5 | 9 | kHz | 3 | |
| SR detection turn-on threshold | Vth_SR_on | -500 | -400 | -300 | mV | 3 | |
| SR detection turn-off threshold | Vth_SR_off | -55 | -45 | -25 | mV | 3 | |
| MOS minimum on-time | Ton_min | 3.3 | 3.6 | 4.5 | us | 3 | |
| GATE output high level | VOH | 3 | 5 | 6 | V | 3 | |
| Clamp current | ICLAMP | 40 | mA | Fsw=5kHz, VCC= V_clamp_LL+0.1V; Fsw=50kHz, VCC=V_clamp_HL+0.1V | 3 | ||
| Power MOSFET on-resistance | RDS(on) | 15 | mΩ | ISW =6A, TJ = 25℃ | 3 | ||
| Power MOSFET breakdown voltage | BVDSS | 40 | 45 | V | ISW = 250uA, VCC =5V | 3 | |
| SR turn-on delay | ON_delay | 75 | ns | 3 | |||
| SR turn-off delay | OFF_delay | 75 | ns | 3 | |||
| GATE output low level | VOL | 0.5 | V | 3 | |||
| Maximum pull-up (source) current | ISOURCE | 1 | A | 3 | |||
| Maximum pull-down (sink) current | ISINK | 2 | A | 3 |
CAD (KiCad official)
- Symbol:
PN8306MSEC-R1 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
pn8306msec-r1-etched.step/pn8306msec-r1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pn8306msec-r1.step/pn8306msec-r1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Wuxi Chipown Micro-electronics datasheet (10 pp, sha256
9a07b5db05adc9ba, retrieved 2026-10-28, 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).