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Contents

README

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RT9526AGE

Richtek Tech · Battery Management · SOT-23-6

RT9526AGE from Richtek Tech, in a SOT-23-6. 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 CHG_SB output Open-drain charge status indicator output; low during battery charging, high when end-of-charge or fault condition occurs.
2 GND power_in Ground; exposed thermal pad must be soldered to PCB ground plane for maximum power dissipation and heat sinking.
3 VIN power_in Supply voltage input; rated 28V maximum with over-voltage protection threshold at 7V typical.
4 BATT output Battery charge current output; delivers charging current to battery connected between this pin and GND.
5 ISET input Charge current set point; reference voltage 1.22V typical; connect external resistor RISET between this pin and GND to program charging current.
6 IMIN input EOC current setting; connect external resistor RIMIN between this pin and GND to program end-of-charge current threshold.

Key specifications

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

CAD (KiCad official)

  • Symbol: RT9526AGE
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: rt9526age-etched.step / rt9526age-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rt9526age.step / rt9526age.glb are the bare package body.

Provenance

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

  • Datasheet: Richtek Tech datasheet (13 pp, sha256 946e0c984ffced64, retrieved 2026-09-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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