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Contents

README

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GP8242J

HaloChip · AC-DC Controllers And Regulators · SOP-8

GP8242J from HaloChip, 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 VCC power_in Chip power supply pin, with VCC absolute maximum of 35 V, VCC clamp current of 10 mA, UVLO threshold of 9.5 V typical, and OVP threshold of 25 V typical (clamp at 31.5 V typical).
2 GND power_in Chip ground reference pin.
3 FB input Output voltage feedback pin sampling the auxiliary winding, with a constant-voltage reference of 2.0 V typical and an FB pin voltage absolute range of -0.3 V to 7 V.
4 CS input Current sense pin for the sampling resistor Rs, with a constant-current detection threshold of 600 mV typical (588 to 612 mV) and a CS pin voltage absolute range of -0.3 V to 7 V.
5 D passive Drain of the internal power MOSFET, with a drain pin voltage absolute range of -0.3 V to 650 V.
6 D passive Drain of the internal power MOSFET, with a drain pin voltage absolute range of -0.3 V to 650 V.
7 D passive Drain of the internal power MOSFET, with a drain pin voltage absolute range of -0.3 V to 650 V.
8 D passive Drain of the internal power MOSFET, with a drain pin voltage absolute range of -0.3 V to 650 V.

Key specifications

Parameter Value
Manufacturer HaloChip
Package SOP-8
Category Power Management (PMIC)
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启动电压 VCC_SZ 17.5 19 20.5 V VCC上升 4
VCC欠压保护阈值 VCC_UVLO 8.5 9.5 10.5 V VCC下降 4
VCC过压保护值 VCC_OVP 23 25 27 V VCC上升 4
VCC钳位电压值 VCC_clamp 30 31.5 33 V Ivcc=10mA 4
VCC启动电流 ISZ 3 20 uA VCC= VCC-SZ- 1V 4
VCC工作电流 Icc 0.8 1.5 mA 启动之后 VCC=20V 4
恒流时电流检测阈值 VCS 588 600 612 mV 4
FB反馈基准电压 VFB 1.97 2 2.03 V 恒压模式 4
VCC最大钳位电流(绝对最大值) IVCC_clamp 10 mA 3
VCC电源电压(绝对最大值) VCC 35 V 3
CS、FB脚电压 -0.3 7 V 3
Drain脚电压 -0.3 650 V 3
TJ工作结温范围 TJ -40 85 ℃ 3
TJ最大结温 TJ 150 ℃ 3
TSZG储存温度范围 TSZG -55 150 ℃ 3
最大焊接温度时间 Tlead 260 ℃ soldering 10s 3
ESD人体模型 ESD 2.5 KV 人体模型, 100pF电容通过1.5KΩ电阻放电 (注 2) 3
热阻(SOP8) 150 ℃/W 3
芯片表面极限温度 135 ℃ 注 3 3
VFB_DEM消磁比较阈值 VFB_DEM 25 mV 4
Tmin_OFF最小关断时间 Tmin_OFF 2 us 4
Tmax_OFF最大关断时间 Tmax_OFF 5 ms 4
输出短路阈值 VFB_Short 1.16 V 4
输出短路响应时间 TFB_Short 13 ms 4
CC模式开关周期与消磁时间比值 TCC/TDEM 2 4
线缆补偿最大电流 Icablemax 50 uA 4
软启动时间 Tsoftstart 2 ms 4
前沿消隐时间 TLEB 500 ns 4
过流跟踪控制延时 TD_OC 100 ns CL=0.5nF at GATE 4
漏端击穿电压 BVdss 650 V 5
导通阻抗(GP8242J) Rdson 0.95 Ω I(Drain)=1A 5
反向漏电流 Idss 1 uA 5
开通延迟时间 Td(on) 60 ns 5
关断延迟时间 Td(off) 128 ns 5

CAD (KiCad official)

  • Symbol: GP8242J
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: gp8242j-etched.step / gp8242j-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gp8242j.step / gp8242j.glb are the bare package body.

Provenance

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

  • Datasheet: HaloChip datasheet (10 pp, sha256 0bee6b53d84a6ada, retrieved 2026-10-19, 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