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RT6214AHRGJ6F

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

RT6214AHRGJ6F from Richtek Tech, in a TSOT-23-6. 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 GND power_in Power ground, connected to analog ground, must be soldered to a large PCB copper area for maximum power dissipation.
2 LX output Switch node between the internal switch and the synchronous rectifier; connect this pin to the inductor and bootstrap capacitor.
3 VIN power_in Power input with an input voltage range of 4.5V to 18V; connect a suitable input capacitor between this pin and GND, typical 22µF.
4 FB input Feedback voltage input connected to the midpoint of the external resistive divider; the device regulates FB to the feedback threshold, typically 0.765V/0.8V.
5 EN input Enable control input; logic high enables the device, while floating this pin or connecting it to GND disables the device.
6 BOOT passive Bootstrap capacitor connection supplying the high-side gate driver; connect a 0.1µF ceramic capacitor between this pin and LX.

Key specifications

Parameter Value
Manufacturer Richtek Tech
Package TSOT-23-6
Category Power Management (PMIC)
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Input Voltage (absolute maximum) -0.3 20 V 8
Switch Node Voltage LX, <50ns VLX -5 25 V < 50ns 8
Other Pins Voltage -0.3 6 V 8
BOOT to LX Voltage VBOOT-VLX -0.3 6 V 8
Supply Input Operating Voltage VIN 4.5 18 V 8
Supply Input Voltage (recommended) 4.5 18 V 8
Ambient Temperature Range TA -40 85 C 8
Junction Temperature Range TJ -40 125 C 8
Junction Temperature TJ 150 C 8
Storage Temperature Range TSTG -65 150 C 8
Lead Temperature (Soldering) 260 C 10 sec soldering 8
Power Dissipation PD 1.667 W TA = 25C, TSOT-23-6 (FC) 8
ESD Susceptibility HBM 2 kV Human Body Model 8
Under-Voltage Lockout Threshold (RHGJ6F) VUVLO 3.45 3.75 4.05 V RT6214A/BHRGJ6F 8
Supply Current (Shutdown) ISHDN 5 µA VEN = 0V 8
High-Side Switch Current Limit / Low-Side Switch Current Limit ILIM_L 4 4.5 5.3 A 9
Enable Voltage Threshold (RHGJ6F) VEN_R 1.32 1.43 1.55 V VEN rising 9
Feedback Reference Voltage (RHGJ6F) VREF 0.753 0.765 0.777 V 4.5V ≤ VIN ≤ 18V 9
Switching Frequency fSW 420 500 kHz 9
Minimum Off-Time tOFF_MIN 240 310 ns 9
UVP Trip Threshold 45 50 55 % UVP detect 9
Under-Voltage Lockout Threshold Hysteresis VUVLO 340 mV 8
Supply Current (Quiescent) IQ 0.5 mA VEN = 2V, VFB = 0.85V 8
Soft-Start Time tSS 1000 µs RT6214A/BHRGJ6F 9
Enable Voltage Hysteresis 0.18 V 9
Enable Input Current IEN 1.8 µA 9
High-Side On-Resistance RDS(ON)_H 100 mΩ VBOOT-VLX = 4.8V 9
Low-Side On-Resistance RDS(ON)_L 50 mΩ 9
High-Side Switch Current Limit ILIM_H 7 A 9
Minimum On-Time tON_MIN 60 ns 9
UVP Hysteresis 10 % 9
Thermal Shutdown Threshold TSD 150 C 9
Thermal Shutdown Hysteresis TSD 20 C 9
Package Thermal Resistance Junction-to-Ambient, TSOT-23-6 (FC) θJA 60 C/W JEDEC 51-7 four-layer board, natural convection 8
Package Thermal Resistance Junction-to-Case, TSOT-23-6 (FC) θJC 8 C/W 8

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper 1 1 GND Power ground. This pin, connected to analog ground, must be soldered to a large PCB copper area for maximum power dissipation. 3

CAD (KiCad official)

  • Symbol: RT6214AHRGJ6F
  • Footprint: Package_TO_SOT_SMD:TSOT-23-6
  • 3D model: TSOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: rt6214ahrgj6f-etched.step / rt6214ahrgj6f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rt6214ahrgj6f.step / rt6214ahrgj6f.glb are the bare package body.

Provenance

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

  • Datasheet: Richtek Tech datasheet (24 pp, sha256 aa86750b6cd3f915, 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