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Contents

README

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IP2112

INJOINIC · Battery Management ICs · SOT-23-6

IP2112 from INJOINIC, 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 DP1 bidirectional Connect to USB1 DP data line; absolute maximum input voltage -0.3 to 11 V.
2 GND power_in Ground reference for the device.
3 DP2 bidirectional Connect to USB2 DP data line; absolute maximum input voltage -0.3 to 11 V.
4 DM2 bidirectional Connect to USB2 DM data line; absolute maximum input voltage -0.3 to 11 V.
5 VBUS power_in Power supply input (3V to 5.5V operating), connect with 1uF capacitor to GND.
6 DM1 bidirectional Connect to USB1 DM data line; absolute maximum input voltage -0.3 to 11 V.

Key specifications

Parameter Value
Manufacturer INJOINIC
Package SOT-23-6
Category Power Management ICs
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
Quiescent Current IQ 50 66 100 uA No load, VBUS=5V 4
Startup Time Ts 8 10 12 ms 4
VBUS Input Voltage Range VBUS -0.3 7 V 4
DP, DM Input Voltage Range VDP, VDM -0.3 11 V 4
Junction Temperature Range TJ -40 150 ℃ 4
Storage Temperature Range Tstg -60 150 ℃ 4
Ambient Temperature Range TA -40 150 ℃ 4
Human Body Model ESD 4 KV 4
Input Voltage VBUS 3 5.5 V 4
Ambient Temperature TA -40 85 ℃ 4
DP1/DP2 Voltage VDP1/VDP2 2.7 V Connect to Apple device 4
DP1/DP2 Voltage VDP1/VDP2 2 V Connect to Samsung device 4
DM1/DM2 Voltage VDM1/VDM2 2.7 V Connect to Apple device 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing Abs Human Body Model (HBM) ESD 4 KV *Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. 4

CAD (KiCad official)

  • Symbol: IP2112
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ip2112-etched.step / ip2112-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ip2112.step / ip2112.glb are the bare package body.

Provenance

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

  • Datasheet: INJOINIC datasheet (7 pp, sha256 eeccefe6f890fef6, retrieved 2026-10-31, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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