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OB2632MP

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by Ray

OB On Bright Elec AC-DC Controllers and Regulators, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Datasheet

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Contents

README

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OB2632MP

OB On Bright Elec · AC-DC Controllers and Regulators · SOT-23-6

OB2632MP from OB On Bright Elec, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference for the controller.
2 FB input Feedback input pin. PWM duty cycle is determined by the voltage on this pin together with the current-sense signal at CS. Typically driven by an optocoupler from the secondary-side regulator.
3 PRT input Multi-function protection pin. Connect an NTC resistor to GND for OTP detection; a resistor from Vaux sets the IOVP/ISCP trigger current and enables transformer core demagnetization detection. If both OTP and OVP/SCP are needed, place a diode between the PRT pin and the NTC resistor. Absolute-max input voltage -0.3 V to 7 V.
4 CS input Current-sense input from the power MOSFET source resistor. Absolute-max input voltage -0.3 V to 7 V.
5 VDD power_in Chip supply pin. Recommended VCC supply range 12 V to 50 V; absolute max 54 V. Provides bias for the internal blocks and gate driver.
6 Gate output Totem-pole gate driver output for the external power MOSFET.

Key specifications

Parameter Value
Manufacturer OB On Bright Elec
Package SOT-23-6
Category PMIC
Pins 6

Ordering variants

Same part, different packaging or reel option.

  • OB2632MP
  • OB2632CP
  • OB2632CPA

CAD (KiCad official)

  • Symbol: OB2632MP
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: OB On Bright Elec datasheet (17 pp, sha256 b7f2b49381b3d36f, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF