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OB2500POPA

Public Made by Adom

by adom

OB On Bright Elec AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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OB2500POPA

OB On Bright Elec · AC-DC Controllers And Regulators · SOP-8

OB2500POPA from OB On Bright Elec, 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 VDD power_in Power supply input; recommended VDD range is 8 to 25V, with UVLO turn-on at 7.0V typical, UVLO turn-off at 18.2V typical, VDD over-voltage protection at 27.0V typical, and absolute maximum VDD of 28V.
2 GND power_in Ground reference pin for the controller.
3 FB input Voltage feedback input connected through a resistor divider to the auxiliary winding to sense the output voltage; reference voltage Vref is 2.475 to 2.525V and the absolute maximum input is -0.3 to 7V.
4 CS input Power MOSFET source and current-sense input via external sense resistor Rs, with a minimum over-current threshold of 485 to 515mV and a maximum of 590mV, and an absolute maximum input of -0.3 to 7V.
5 Drain output Drain of the internal 650V power MOSFET (BVdss 650V; off-state drain voltage limited to -0.3V to BVdss).
6 Drain output Drain of the internal 650V power MOSFET (BVdss 650V; off-state drain voltage limited to -0.3V to BVdss).
7 Drain output Drain of the internal 650V power MOSFET (BVdss 650V; off-state drain voltage limited to -0.3V to BVdss).
8 Drain output Drain of the internal 650V power MOSFET (BVdss 650V; off-state drain voltage limited to -0.3V to BVdss).

Key specifications

Parameter Value
Manufacturer OB On Bright Elec
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
VDD Supply Voltage (recommended operating) VDD 8 25 V 2
Drain Voltage (off state) -0.3 V 2
VDD Voltage -0.3 28 V 2
FB Input Voltage -0.3 7 V 2
CS Input Voltage -0.3 7 V 2
Min/Max Operating Junction Temperature TJ -40 150 ℃ 2
Operating Ambient Temperature TA -20 85 ℃ 2
Min/Max Storage Temperature Tstg -55 150 ℃ 2
Lead Temperature (Soldering, 10 secs) 260 ℃ Soldering, 10 secs 2
Start up current I start-up 5 uA VDD=UVLO_OFF-1V 5
Static current I static 0.85 1 mA 5
VDD under voltage lockout exit UVLO(OFF) 16 18.2 20.5 V 5
VDD under voltage lockout enter UVLO(ON) 6.5 7 7.5 V 5
VDD over voltage protection VDD_OVP 26 27 28.5 V 5
Max. Operating Voltage 25 V 5
Minimum over current threshold Vth_ocp_min 485 500 515 mV 5
Maximum over current threshold Vth_ocp_max 590 mV 5
Reference voltage for feedback threshold Vref_FB 2.475 2.5 2.525 V 5
Minimum Toff Tpause_min 2 us 5
Minimum frequency F_min 700 780 860 Hz 5
Maximum frequency F_max 90 KHz 5
Maximum cable compensation current Icomp_cable 40 45 50 uA 5
CC mode shut down debounce Td_cc_shutdown 1024 2048 cycle 5
Output Over voltage threshold V_OVP 2.85 3 3.15 V 5
Over temperature protection trigger point T_otp 135 150 165 ℃ 5
Over temperature protection recovery point T_otp_rec 105 120 135 ℃ 5
Mosfet Drain-Source Breakdown Voltage BVdss 650 V 5
LEB time TLEB 300 ns 5
CC mode shut down threshold Vth_cc_shutdown 1.55 V 5
Static drain to source on resistance Rdson 4 Ώ 5
Package thermal resistance junction to ambient (SOP8) RθJA 90 ℃/W SOP8 2

CAD (KiCad official)

  • Symbol: OB2500POPA
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ob2500popa-etched.step / ob2500popa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ob2500popa.step / ob2500popa.glb are the bare package body.

Provenance

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

  • Datasheet: OB On Bright Elec datasheet (10 pp, sha256 2e7e9d63f15e2a0b, retrieved 2026-10-18, tier: lcsc)
  • 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