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RS2588CYF5

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Jiangsu RUNIC Tech Power Distribution Switches, SOT23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RS2588CYF5

Jiangsu RUNIC Tech · Power Distribution Switches · SOT23-5

RS2588CYF5 from Jiangsu RUNIC Tech, in a SOT23-5. 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 P-channel drain of the power switch, which typically connects to the load; VOUT may be forced above VIN when the switch is disabled.
2 GND power_in Ground; all device voltages are referenced to this pin, with absolute maximum voltages of -0.3 V to 6.0 V relative to GND.
3 FLAG output Active-low open-drain flag output that asserts on over-current or thermal shutdown, with over-current required to last longer than tD (13 ms typical) before FLAG asserts.
4 EN input Logic-level enable input, active high, with VIL maximum 0.4 V and VIH minimum 1.6 V at VIN = 2.5 V to 5.5 V; EN has an internal pull-down resistor.
5 VIN power_in Power supply input: the P-channel source of the power switch that also supplies the internal circuitry, operating from 2.5 V to 5.5 V with an absolute maximum of 6.0 V.

Key specifications

Parameter Value
Manufacturer Jiangsu RUNIC Tech
Package SOT23-5
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
Current limit threshold (RS2588C) 2.34 2.6 2.86 A Ramped load 8
Switch resistance RDS(ON) 70 80 mΩ IOUT = 500mA 8
VOUT shutdown discharge resistance RDIS 250 300 350 Ω Switch off 8
EN Pin Pull-Down Resistance RPULL_DOWN 450 520 600 kΩ VEN = 2.5V to 5.5V 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
Leakage current of FLAG ILKG(FLAG) 0.1 1 μA FLAG is HIGH 8
Enable input threshold (low) VIL 0.4 V VIN =2.5V to 5.5V 8
Enable input threshold (high) VIH 1.6 V VIN =2.5V to 5.5V 8
EN input current IEN 10 15 μA VEN = 0V to 5.5V 8
FLAG output low voltage VFLAG-L 0.4 V CIN=10uF, ISINK =2mA 8
Under-voltage lockout threshold (VIN rising) VUVLO 1.9 2.3 V VIN rising 8
Input voltage VIN 2.5 5.5 V 8
Supply Input Voltage VIN -0.3 6 V 7
Output Voltage VOUT -0.3 6 V 7
EN Input Voltage VEN -0.3 6 V 7
FLAG Output Voltage VFLAG -0.3 6 V 7
Operating Junction Temperature TJ -40 150 °C 7
Storage Temperature Tstg -65 150 °C 7
Lead Temperature (Soldering, 10 secs) TL 260 °C Soldering, 10 secs 7
Electrostatic discharge, Human-body model (HBM) V(ESD) -3000 3000 V Human-body model (HBM) 7
Electrostatic discharge, Charge device model (CDM) V(ESD) -1500 1500 V Charge device model (CDM) 7
Input Voltage VIN 2.5 5.5 V 7
EN Voltage range VEN 0 5.5 V 7
All other pins 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 7
Junction-to-case (top) thermal resistance RθJC(top) 104.3 °C/W 7
Junction-to-board thermal resistance RθJB 54.5 °C/W 7
Junction-to-top characterization parameter ψJT 31 °C/W 7
Junction-to-board characterization parameter ψJB 54.5 °C/W 7

CAD (KiCad official)

  • Symbol: RS2588CYF5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT23-5 (KiCad packages3D, STEP)
  • 3D model files: rs2588cyf5-etched.step / rs2588cyf5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs2588cyf5.step / rs2588cyf5.glb are 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 2026-10-17, 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