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Switch-mode Single Cell Li+ Battery Charger with OTG Boost, Voltage Mode Fuel Gauge and LDO
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The STBCFG01 is a switching battery charger integrating the necessary functions to charge single cell Li-Ion batteries, monitor the battery charge and generate 5 V to supply USB OTG bus powered devices.

The IC also integrates the LDO regulator to support system boot in dead battery conditions.

The battery charger features a smart input current limit: the maximum input current can be selected through I²C and if the input voltage drops below a programmable threshold, the input current is reduced even if the selected maximum current limit has not been reached yet. The dynamic input current limit can be disabled.

An automatic input pre-bias load makes the device suitable for applications using voltage sources with a minimum external load for the right regulation.

The STBCFG01 also integrates a voltage mode fuel gauge to provide the state of charge evaluation without the current sensing resistor.

pdf Please read
Errata Sheet
pdf データシート

Key Features

  • High efficiency switching battery charger
  • 2 MHz or 3 MHz switching frequency
  • 1.2 A max. charging current
  • 20 V tolerant input with OVP
  • Programmable input current limitation and dynamic input current limit
  • Battery overvoltage protection
  • Auto-recharge
  • Integrated current sensing resistor
  • USB compatible
  • Voltage mode fuel gauge
  • External sensing resistor is not needed
  • Battery swap detection through ID resistor
  • Low battery voltage and low SOC programmable alarms
  • 50 mA LDO for system boot in dead battery condition
  • USB OTG VBUSgeneration (500 mA)
  • USB overvoltage protection
  • Programmable battery overcurrent protection
  • Automatic 60 mA input pre-bias
  • I²C compatible control interface
  • Interrupt output pin
  • Flip Chip package, 25 bumps (2.3 x 2.2 mm)



Technical Documentation

Product Specifications

Description Version Size
DS10380: Switch mode single cell Li+ battery charger with OTG boost, voltage mode fuel gauge and LDO
2.0 1,657 KB
DB2151: Switch-mode single Cell Li+ battery charger with OTG boost, voltage mode fuel gauge and LDO
1.0 235 KB

Presentations & Training Material


Description Version Size
Power management for handheld and portable applications
734 KB

Related Tools and Software

Related Tools and Software

製品型名 Description
STEVAL-ISB033V1 Evaluation board for STBCFG01 single-cell Li+ battery charger with OTG boost, voltage mode fuel gauge and 200 mA LDO

Publications and Collaterals

Selection Guides

Description Version Size
Linear and Switching Voltage Regulators Selection Guide
384 KB

サンプル& 購入

製品型名 Marketing StatusPackagePacking TypeAutomotive GradeOrder From STUnit Price (US$)*
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STBCFG01JRActiveChip Scale Package 0.4mm pitchTape And Reel_Free SamplesDistributor reported inventory date: 2016-02-12
Distributor NameRegionStockMin. order
ARROWOrder NowAMERICA57005000
Farnell Element14Order NowEUROPE49871

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(**)弊社ホームページで入手できるMaterial Declaration(材料宣誓書)のフォームは、各パッケージ・タイプで最も一般的に使用されるパッケージに基づいた包括的な文書です。そのため、特定のデバイスについて100%正確ではない可能性があります。特定のデバイスに関する情報については、 弊社セールスオフィス にお問合せ下さい。
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