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Contents

README

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BQ24230RGTT

Texas Instruments · Battery Management · VQFN-16-EP(3x3)

BQ24230RGTT from Texas Instruments, in a VQFN-16-EP(3x3). 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 TS input External NTC Thermistor Input monitoring 10-kΩ thermistor in battery pack; connect 10-kΩ resistor to VSS if not used.
2 BAT bidirectional Charger Power Stage Output and Battery Voltage Sense Input; connect to battery positive terminal and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor.
3 BAT bidirectional Charger Power Stage Output and Battery Voltage Sense Input; connect to battery positive terminal and bypass to VSS with 4.7-μF to 47-μF ceramic capacitor.
4 CE input Charge Enable Active-Low Input; connect high logic level to disable battery charging; internally pulled down ~285 kΩ.
5 EN2 input Input Current Limit Configuration Input; use with EN1 to control maximum input current and enable USB compliance; internally pulled down ~285 kΩ.
6 EN1 input Input Current Limit Configuration Input; use with EN2 to control maximum input current and enable USB compliance; internally pulled down ~285 kΩ.
7 PGOOD output Open-drain Power Good Status Indication Output; pulls to VSS when valid input source detected (4.35V to 6.6V range); high-impedance when out of range.
8 VSS power_in Ground; connect to thermal pad and ground rail of circuit; primary ground connection for device.
9 CHG output Open-drain Charging Status Indication Output; pulls to VSS when battery charging; high impedance when charging complete or charger disabled.
10 OUT output System Supply Output providing regulated 4.4V output when input below OVP threshold; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor.
11 OUT output System Supply Output providing regulated 4.4V output when input below OVP threshold; bypass to VSS with 4.7-μF to 47-μF ceramic capacitor.
12 ILIM input Adjustable Current Limit Programming Input; connect 3.1-kΩ to 7.8-kΩ resistor to VSS to program maximum input current 200mA to 500mA.
13 IN power_in Input Power Connection for AC adapter or USB port; operating range 4.35V to 6.6V; accepts up to 26V without damage; bypass with 1μF to 10μF capacitor to VSS.
14 TMR input Timer Programming Input controlling precharge and fast-charge safety timers; connect 18-kΩ to 72-kΩ resistor to VSS or leave floating for default 5-hour fast charge timer.
15 TD input Termination Disable Input (bq24230 only); connect high to disable charger termination; internally pulled down ~285 kΩ; checked at startup only.
16 ISET bidirectional Fast-Charge Current Programming Input and Monitoring Output; connect 1.8-kΩ to 36-kΩ resistor to VSS to program 25mA to 500mA fast-charge current; voltage reflects actual charging current.
17 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-16-EP(3x3)
Category Power Management (PMIC)
Pins 17

CAD (KiCad official)

  • Symbol: BQ24230RGTT
  • Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
  • 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: bq24230rgtt-etched.step / bq24230rgtt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bq24230rgtt.step / bq24230rgtt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (46 pp, sha256 ba48a6c47944027f, retrieved 2026-09-27, 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