component
RS2588BYF5
Public Made by Adomby adom
Jiangsu RUNIC Tech Power Distribution Switches, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownRS2588BYF5
Jiangsu RUNIC Tech · Power Distribution Switches · SOT-23-5
RS2588BYF5 from Jiangsu RUNIC Tech, in a SOT-23-5. 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 | VOUT | power_out | Switch output, the drain of the internal P-channel MOSFET, which typically connects to the load; the switch turns off when VOUT exceeds VIN by 40mV, and VOUT may be externally forced above VIN while the switch is disabled. |
| 2 | GND | power_in | Ground reference for the device; all voltages in the datasheet are specified with respect to the GND pin. |
| 3 | FLAG | output | Active-low open-drain flag output that asserts on over-current (after the approximately 13ms response delay tD) or thermal shutdown, with a low-level output voltage of 0.4V max at 2mA sink current and 1.0µA max leakage when high. |
| 4 | EN | input | Active-high logic-level enable input with VIL max 0.4V and VIH min 1.6V, and an internal pull-down of 450kΩ to 600kΩ. |
| 5 | VIN | power_in | Power supply input that is the source of the internal P-channel MOSFET and supplies the internal circuitry, operating from 2.5V to 5.5V with an absolute maximum of 6.0V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Jiangsu RUNIC Tech |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Voltage | VIN | 2.5 | 5.5 | V | 8 | ||
| Quiescent supply current | IQ | 10 | 30 | 50 | μA | Switch on, VOUT = open | 8 |
| Shutdown supply current | ISD | 0.1 | 1 | μA | Switch off, VOUT = open | 8 | |
| Leakage current of VIN | ILKG(VIN) | 0.1 | 1 | μA | Switch off, VOUT = 0V | 8 | |
| EN input current | IEN | 10 | 15 | μA | VEN = 0V to 5.5V | 8 | |
| EN Pin Pull-Down Resistance | RPULL_DOWN | 450 | 520 | 600 | kΩ | VEN = 2.5V to 5.5V | 8 |
| Switch resistance | RDS(ON) | 70 | 80 | mΩ | IOUT = 500mA | 8 | |
| Current limit threshold (RS2588B) | ILIM | 1.89 | 2.1 | 2.31 | A | Ramped load | 8 |
| Under-Voltage Lockout Threshold | VUVLO | 1.9 | 2.3 | V | VIN rising | 8 | |
| Output turn-on delay time | tON | 2 | ms | RL = 10Ω, CL = 1μF, Figure 4,5 | 8 | ||
| Output turn-off delay time | tOFF | 20 | μs | RL = 10Ω, CL = 1μF, Figure 6,7 | 8 | ||
| Leakage current of FLAG | ILKG(FLAG) | 0.1 | 1 | μA | FLAG is HIGH | 8 | |
| VOUT shutdown discharge resistance | RDIS | 250 | 300 | 350 | Ω | Switch off | 8 |
| Enable input threshold (VIL) | VIL | 0.4 | V | VIN = 2.5V to 5.5V | 8 | ||
| Enable input threshold (VIH) | VIH | 1.6 | V | VIN = 2.5V to 5.5V | 8 | ||
| UVLO threshold hysteresis | VUVLO_HY | 0.15 | V | 8 | |||
| Over-current FLAG response delay time | tD | 13 | ms | Apply VOUT = 0 until FLAG is low | 8 | ||
| FLAG Output Low Voltage | VFLAG-L | 0.4 | V | CIN = 10uF, ISINK = 2mA | 8 | ||
| Thermal shutdown temperature | TSD | 150 | °C | TJ Increasing | 8 | ||
| Thermal shutdown hysteresis | TSD_HY | 30 | °C | 8 | |||
| Supply Input Voltage (absolute maximum) | VIN | -0.3 | 6 | V | 7 | ||
| Output Voltage (absolute maximum) | VOUT | -0.3 | 6 | V | 7 | ||
| EN Input Voltage (absolute maximum) | VEN | -0.3 | 6 | V | 7 | ||
| FLAG Output Voltage (absolute maximum) | VFLAG | -0.3 | 6 | V | 7 | ||
| Operating Junction Temperature (absolute maximum) | TJ | -40 | 150 | °C | 7 | ||
| Storage Temperature | Tstg | -65 | 150 | °C | 7 | ||
| Lead Temperature (Soldering, 10 secs) | TL | 260 | °C | Soldering, 10 secs | 7 | ||
| Input Voltage (recommended) | VIN | 2.5 | 5.5 | V | 7 | ||
| EN Voltage range (recommended) | VEN | 0 | 5.5 | V | 7 | ||
| All other pins voltage (recommended) | 0 | 5.5 | V | 7 | |||
| Operating Temperature Range | TA | -40 | 85 | °C | 7 | ||
| Operating Junction Temperature Range | TJ | -40 | 125 | °C | 7 | ||
| Junction-to-ambient thermal resistance | RθJA | 185.6 | °C/W | SOT23-5 | 7 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 104.3 | °C/W | SOT23-5 | 7 | ||
| Junction-to-board thermal resistance | RθJB | 54.5 | °C/W | SOT23-5 | 7 | ||
| Junction-to-top characterization parameter | ψJT | 31 | °C/W | SOT23-5 | 7 | ||
| Junction-to-board characterization parameter | ψJB | 54.5 | °C/W | SOT23-5 | 7 |
CAD (KiCad official)
- Symbol:
RS2588BYF5 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
rs2588byf5-etched.step/rs2588byf5-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rs2588byf5.step/rs2588byf5.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Jiangsu RUNIC Tech datasheet (18 pp, sha256
d90ad53c2f60d1e4, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).