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XB4908A AI Analysis:
Specs, Applications & Alternatives

AI summary

XB4908A product

XB4908A

MOSFETs - Single

Battery ProtectionLi-IonIntegrated MOSFET

The XB4908A is a compact, highly integrated protection IC for single-cell Li-ion/Li-Poly batteries, featuring an internal 13.5 mΩ MOSFET and requiring minimal external components.

Best for

  • Portable consumer electronics
  • Single-cell battery packs

Avoid if

  • Multi-cell battery applications
  • High-power applications exceeding MOSFET ratings

Check before use

  • Overcharge/overdischarge thresholds for your specific battery chemistry

Key specifications

Overcharge Detection
4.30 V
Overdischarge Detection
2.4 V
FET Resistance
13.5 mΩ

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsBattery Management

Datasheet

b50885d86609d8196fb9dde6baf9d738_2204251600_XySemi-XB4908A_C2998740.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

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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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

The XB4908A is a dedicated protection IC for single-cell Lithium-ion or Lithium-polymer batteries, integrating the protection circuitry and power MOSFET into a small ESN4 package.