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BQ24001PWP

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Texas Instruments Battery Management, HTSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BQ24001PWP

Texas Instruments · Battery Management · HTSSOP-20

BQ24001PWP from Texas Instruments, in a HTSSOP-20. 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 N/C unconnected No connect; this pin must be left floating.
2 IN input Input voltage that provides the charging voltage for the battery; recommended input voltage range is 4.5 V to 10 V.
3 IN input Input voltage that provides the charging voltage for the battery; recommended input voltage range is 4.5 V to 10 V.
4 VCC power_in Supply voltage; recommended range is 4.5 V to 10 V, with an absolute maximum of 13.5 V with respect to GND.
5 ISNS input Current sense input used to set the constant charge current through an external sense resistor.
6 N/C unconnected No connect; this pin must be left floating.
7 APG/THERM input Adapter power-good input and thermistor sense input; falling-edge deglitch is 25 µs minimum and 75 µs maximum.
8 EN input Active-high charge-enable input with internal pull-down (100 kΩ min, 200 kΩ typ); low-current standby mode is active when EN is low, with a high-level input of 2.25 V minimum and a low-level input of 0.8 V maximum.
9 VSEL input Charge regulation selection input that selects 4.1 V or 4.2 V per cell; high-level input 2.25 V minimum, low-level input 0.8 V maximum, internal pull-down 100 kΩ min to 200 kΩ typ.
10 GND/HEATSINK power_in Ground pin that must be connected to the PowerPAD heat-sink layout pattern.
11 N/C unconnected No connect; this pin must be left floating.
12 CR passive Internal regulator bypass capacitor connection; CR output voltage is 2.816 V minimum, 2.85 V typical, 2.88 V maximum at 0 < IO < 100 µA.
13 TMR SEL input Charge timer selection input; high-level input 2.7 V minimum, low-level input 0.6 V maximum, input bias current 15 µA maximum at VI ≤ 5 V.
14 STAT1 output Charge status display output 1; output sink/source current is limited to 10 mA absolute maximum.
15 N/C unconnected No connect on the bq24001PWP; this pin must be left floating.
16 AGND power_in Analog ground pin that must be connected close to the negative battery terminal.
17 VSENSE input Battery voltage sense input used to regulate the charge voltage; absolute maximum input voltage is 13.5 V with respect to GND.
18 OUT output Charge current output; continuous output current is 1.2 A maximum and absolute maximum output current is 2 A.
19 OUT output Charge current output; continuous output current is 1.2 A maximum and absolute maximum output current is 2 A.
20 N/C unconnected No connect; this pin must be left floating.
21 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-20
Category Power Management (PMIC)
Pins 21

CAD (KiCad official)

  • Symbol: BQ24001PWP
  • Footprint: Package_SO:TSSOP-20-1EP_4.4x6.5mm_P0.65mm_EP2.15x3.35mm
  • 3D model: HTSSOP-20, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.2 mm nominal TSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: bq24001pwp-etched.step / bq24001pwp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bq24001pwp.step / bq24001pwp.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 fe31fdf86ffbd503, retrieved 2026-10-12, 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