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XB9901A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

XB9901A product

XB9901A

MOSFETs - Single

Battery ProtectionLi-IonPMIC

The XB9901A is a highly integrated, single-cell Li-ion/Li-Poly battery protection IC featuring an internal 11.5mΩ MOSFET and minimal external component requirements.

Best for

  • Single-cell Li-ion battery packs
  • Space-constrained portable devices

Avoid if

  • Multi-cell battery configurations
  • Applications requiring high-current charging beyond the IC's protection limits

Check before use

  • Battery cell voltage thresholds
  • Thermal management of the DFN package

Key specifications

Overcharge Detection
4.30 V
Overdischarge Detection
2.40 V
FET Resistance
11.5 mΩ
Package
DFN1.8x1.4-6

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Portable ElectronicsBattery Packs

Datasheet

3cfd1cf12482a5bd48cc0845492ab2e5_2006242037_XySemi-XB9901A_C669687.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for XB9901A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The XB9901A is a dedicated protection IC for single-cell lithium-ion or lithium-polymer batteries, integrating protection circuitry and a power MOSFET in a small DFN package.