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Contents

README

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RT6212BHGJ6F

Richtek Tech · DC-DC Converters · TSOT-23-6L

RT6212BHGJ6F from Richtek Tech, in a TSOT-23-6L. 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 System ground. Provides the ground return path for the control circuitry and low-side power MOSFET.
2 LX output Switch node. LX is the switching node that supplies power to the output; connect the output LC filter from LX to the output load. Absolute max: -0.3V to (VIN + 0.3V), or -6V to 25V for <50ns transients.
3 VIN power_in Power input. Supplies the power switches of the device. Operating range 4.5V to 18V; absolute max 20V.
4 FB input Feedback voltage input. Sets the desired output voltage via an external resistor divider. Feedback reference is 0.8V typ for RT6212B/BHGJ6F (0.765V typ for the 'R' reference-voltage variant), ±1.5%.
5 EN input Enable control input. Floating this pin or tying it to GND disables the device; driving it logic-high enables the converter. Enable threshold ~1.5V rising / 1.28V falling for BHGJ6F variant.
6 BOOT power_in Bootstrap supply for the high-side gate driver. Connect a 100nF or greater capacitor from LX to BOOT to power the high-side switch. Absolute max: (VLX - 0.3V) to (VIN + 6.3V).

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • RT6212BHGJ6F
  • RT6212BHGJ6FBHRGJ6F
  • RT6212BHGJ6FAHGJ6F
  • RT6212BHGJ6FAHRGJ6F

CAD (KiCad official)

  • Symbol: RT6212BHGJ6F
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: TSOT-23-6L (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Richtek Tech datasheet (18 pp, sha256 326748a5db9a4f60, 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