component
RT6217EHGJ8F
Public Made by Adomby adom
Richtek Tech DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdownRT6217EHGJ8F
Richtek Tech · DC-DC Converters · TSOT-23-8
RT6217EHGJ8F from Richtek Tech, in a TSOT-23-8. 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 | MODE | input | Mode selection input: high forces CCM (connect to VIN with a 100k resistor), ground forces Pulse Skipping Mode at light load; do not float. |
| 2 | VIN | power_in | Power input with 4.5V to 24V input range; connect a suitable input capacitor (usually two 10µF or larger ceramic, typical 22µF) between this pin and GND. |
| 3 | SW | passive | Switch node between the internal switch and the synchronous rectifier; connect to the inductor and bootstrap capacitor. |
| 4 | GND | power_in | Power ground. |
| 5 | BOOT | passive | Bootstrap capacitor connection node supplying the high-side gate driver; connect a 0.1µF ceramic capacitor between this pin and SW. |
| 6 | EN | input | Enable control input: logic-high enables the converter, logic-low forces the device into shutdown mode. |
| 7 | NC | unconnected | No connection; this pin is left to float. |
| 8 | FB | input | Feedback voltage input connected to the midpoint of the external resistive divider; the device regulates FB at a typical threshold of 0.791V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Richtek Tech |
| Package | TSOT-23-8 |
| Category | Power Management ICs |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply Input Operating Voltage | VIN | 4.5 | 24 | V | 6 | ||
| VIN UVLO Threshold | VUVLO | 3.7 | 3.9 | 4.1 | V | VIN rising | 6 |
| VIN UVLO Hysteresis | ΔVUVLO | 350 | mV | 6 | |||
| Supply Current (Shutdown) | ISHDN | 10 | µA | VEN = 0V | 6 | ||
| Supply Current (Quiescent) | IQ | 150 | 250 | µA | VEN = 2V, VFB = 1V, VMODE = 0V (Not Switching) | 6 | |
| Internal Soft-Start Period | tSS | 1500 | µs | VFB from 0% to 100% | 6 | ||
| EN Rising Threshold | VENH | 1.2 | 1.4 | 1.6 | V | 6 | |
| EN Hysteresis | ΔVEN | 80 | 150 | 220 | mV | 6 | |
| Mode Input High Voltage | VMODEH | 2 | V | 7 | |||
| Mode Input Low Voltage | VMODEL | 0.4 | V | 7 | |||
| Feedback Voltage | VFB | 779 | 791 | 803 | mV | 7 | |
| High-Side Switch-On Resistance | RDS(ON)_H | 85 | mΩ | VBOOT−VSW = 4.8V | 7 | ||
| Low-Side Switch-On Resistance | RDS(ON)_L | 40 | mΩ | 7 | |||
| Low-Side Switch Valley Current Limit | ILIM_L | 3.3 | 4.2 | 4.9 | A | 7 | |
| High-Side Switch Peak Current Limit | ILIM_H | 5.5 | A | 7 | |||
| Switching Frequency | fSW | 500 | kHz | 7 | |||
| Maximum Duty Cycle | DMAX | 90 | % | 7 | |||
| Minimum On-Time | tON_MIN | 60 | ns | 7 | |||
| Thermal Shutdown | TSD | 160 | °C | 7 | |||
| Thermal Hysteresis | ΔTSD | 25 | °C | 7 | |||
| UVP Trip Threshold (UVP detect) | 50 | % | UVP detect | 7 | |||
| UVP Trip Threshold Hysteresis | 10 | % | Hysteresis | 7 | |||
| Supply Input Voltage (abs max) | VIN | -0.3 | 28 | V | 6 | ||
| Enable Pin Voltage (abs max) | EN | -0.3 | 28 | V | 6 | ||
| Switch Voltage (abs max) | SW | -0.3 | 28 | V | 6 | ||
| Switch Voltage transient (abs max) | SW | -5 | 30 | V | t ≤ 10ns | 6 | |
| BOOT to SW (abs max) | VBOOT − VSW | -0.3 | 6 | V | 6 | ||
| BOOT Voltage (abs max) | VBOOT | -0.3 | 34 | V | 6 | ||
| Other Pins (abs max) | -0.3 | 6 | V | 6 | |||
| Power Dissipation | PD | 1.428 | W | TA = 25°C, TSOT-23-8 (FC) | 6 | ||
| Junction Temperature (abs max) | TJ | 150 | °C | 6 | |||
| Lead Temperature (Soldering) | 260 | °C | 10 sec. | 6 | |||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 6 | ||
| ESD Susceptibility HBM | HBM | 2 | kV | Human Body Model | 6 | ||
| Supply Input Voltage (recommended) | VIN | 4.5 | 24 | V | 6 | ||
| Junction Temperature Range | TJ | -40 | 125 | °C | 6 | ||
| Ambient Temperature Range | TA | -40 | 85 | °C | 6 | ||
| Thermal Resistance Junction-to-Ambient | θJA | 70 | °C/W | TSOT-23-8 (FC), JEDEC 51-7 four-layer board | 6 | ||
| Thermal Resistance Junction-to-Case | θJC | 15 | °C/W | TSOT-23-8 (FC) | 6 |
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 | layer of copper area is filled. θJC is measured at the lead of the package. | 7 |
CAD (KiCad official)
- Symbol:
RT6217EHGJ8F - Footprint:
Package_TO_SOT_SMD:TSOT-23-8 - 3D model: TSOT-23-8 (KiCad packages3D, STEP)
- 3D model files:
rt6217ehgj8f-etched.step/rt6217ehgj8f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rt6217ehgj8f.step/rt6217ehgj8f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Richtek Tech datasheet (19 pp, sha256
aeb9ce02e4deaf86, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).