SMB2353 Programmable Battery Charger & System Power Manager
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SMB2353
SMB2353

Fully-integrated, programmable battery charger and system power manager for dual-cell lithium-ion/lithium-polymer with integrated power train.

The SMB2353 is a fully programmable, integrated battery charger and system power manager for designs using dual-cell Li-ion and Li-polymer battery packs. The high-efficiency, switch-mode operation of the SMB2353 reduces heat dissipation and allows higher current capability (up to 6 A) for a given package size to the battery, to the system, or to both the system and the battery. The SMB2353 can operate in the buck, buck-boost, or boost mode, there by allowing charging and power delivery from a wide variety of power sources. It can tole...

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Features

  • Fully-integrated 2SnP charger
  • Efficiency: up to 95% at 5A charge current
  • Maximum input current of 5A
  • Maximum charge current of 6A
  • True differential remote battery voltage sensing minimizes the charger time
  • CurrentPath control with an external low-Rdson battery FET
  • Multi-port support
  • Autonomous step charging based on voltage or battery SoC
  • Autonomous, HW-based USB BC1.2, Type-C, Quick Charge 2.0 and 3.0 support
  • SW-capable for Quick Charge 4/4+/5 support
  • I2C and SPMI communications interface
Specifications
Package
Type
MQFN
Pins
57 pins
Size
5.5 × 5.5 × 0.6 mm
Pitch
0.6 mm
Part
Part Number(s)
SMB2353
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