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RT7736GGE

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by Ray

Richtek Tech AC-DC Controllers and Regulators, SOT-23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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RT7736GGE

Richtek Tech · AC-DC Controllers and Regulators · SOT-23-6

RT7736GGE from Richtek Tech, 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 of the controller. Reference for VDD, CS current-sense resistor and all internal circuitry.
2 COMP input Feedback voltage input. Connect an opto-coupler to close the control loop and achieve output voltage regulation. Internally pulled up to ~5.2V.
3 PRO input Protection input for external arbitrary OVP, OTP or IC ON/OFF control. Supports both high and low threshold detection with configurable latch/auto-recovery behavior (RT7736G/R/L/E versions).
4 CS input Current sense input. The current-sense resistor between this pin and GND sets the cycle-by-cycle current limit for the primary MOSFET. Internal LEB filters switching noise.
5 VDD power_in Supply voltage input. The controller is enabled when VDD exceeds VTH_ON (14.5V typ.) and disabled when VDD falls below VTH_OFF (9V typ.). Typically fed from a bias winding via a start-up resistor.
6 GATE output Gate driver output for the external primary-side power MOSFET. Soft driver with 300mA source / -300mA sink capability for reduced EMI.

Key specifications

Parameter Value
Manufacturer Richtek Tech
Package SOT-23-6
Category PMIC
Pins 6

Ordering variants

Same part, different packaging or reel option.

  • RT7736GGE
  • RT7736GGERGE
  • RT7736GGELGE
  • RT7736GGEEGE
  • RT7736GGEBGE
  • RT7736GGEDGE
  • RT7736GGEFGE

CAD (KiCad official)

  • Symbol: RT7736GGE
  • 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: Richtek Tech datasheet (23 pp, sha256 7045d409f02b5767, retrieved 2026-08-17, tier: manufacturer)
  • 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