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HL6601

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HICHON Battery Management ICs, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HL6601

HICHON · Battery Management ICs · SOT-23-6

HL6601 from HICHON, in a SOT-23-6. 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 D+ bidirectional USB D+ line, connected to the D+ pin of the USB Type-A port; absolute maximum rating for D+ and D- is -0.3 V to 14 V.
2 GND power_in Chip ground, connected to the system ground.
3 FB bidirectional Current feedback control pin, connected to the feedback point of the power supply; HL6601 sources or sinks FB current to set the output voltage (FB voltage output range 0.4 V to 1.5 V).
4 QC_EN input Fast-charge control pin that sets the maximum requestable voltage: tied to VDD allows up to 12 V, floating allows up to 20 V, 200 kΩ to GND allows up to 9 V, and tied to GND stops QC3.0/QC2.0, FCP, AFC and SCP requests so only 5 V is output; absolute maximum rating is -0.3 V to 6 V.
5 VDD power_in Chip supply pin with an operating range of 3.3 V to 5.5 V and an absolute maximum rating of -0.3 V to 6 V.
6 D- bidirectional USB D- line, connected to the D- pin of the USB Type-A port; absolute maximum rating for D+ and D- is -0.3 V to 14 V.

Key specifications

Parameter Value
Manufacturer HICHON
Package SOT-23-6
Category Power Supply Chip
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VDD supply voltage (absolute maximum) VDD -0.3 6 V 2
QC_EN, FB voltage (absolute maximum) QC_EN,FB -0.3 6 V 2
D+, D- voltage (absolute maximum) D+,D- -0.3 14 V 2
Operating temperature (absolute maximum) TOP -40 105 ℃ 2
Storage temperature (absolute maximum) TSTG -60 150 ℃ 2
Operating supply voltage range (recommended) VCC 3.3 5.5 V 2
Input voltage range VDD 3.3 5.5 V 3
VDD undervoltage lockout threshold VULVO 3 3.1 V VDD falling 3
VDD input current IQ 75 95 μA VDD=5V, measure VDD current 3
VDD clamp voltage VDD 5 5.25 5.5 V IVDD=3mA 3
Data detection voltage threshold VDATA_REF 0.25 0.325 0.4 V 3
Output voltage select reference voltage VSEL_REF 1.8 2 2.2 V 3
D+ high glitch time TGLITCH(BC)_D+_H 1000 1250 1500 ms 3
Output voltage glitch time TGLITCH(V)_CHANGE 20 40 60 ms 3
Continuous mode glitch time TGLITCH_CONT_CHANGE 100 200 μs 3
D- low glitch time TGLITCH(BC)_D-_H 2 ms 3
D- pull-down resistance RD-_DOWN 20 kΩ 3
D+ pull-down resistance (leakage) RDAT_LKG 500 kΩ VD+=0.6V~3.6V; D+/D- short switch off 3
D+/D- short switch on-resistance RDS_ON_N1 40 Ω VDD=5V, switch current 200μA 3
FB current step IUP, IDOWN 2 μA IUP=40μA(9V), 70μA(12V); IDOWN=14μA(3.6V) 3
FB voltage output range VFB 0.4 1.5 V 3
Apple 2.4A D+/D- output voltage 2.57 2.7 2.84 V 3
Apple 2.4A D+/D- output impedance 30 kΩ 3

CAD (KiCad official)

  • Symbol: HL6601
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: hl6601-etched.step / hl6601-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hl6601.step / hl6601.glb are the bare package body.

Provenance

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

  • Datasheet: HICHON datasheet (6 pp, sha256 8ec75a870933b22b, retrieved 2026-10-21, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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