STBCFG01

NRND

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.

    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 VBUS generation (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)

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Part Number
Package
Packing Type
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
STBCFG01JR Chip Scale Package 0.4mm pitch Tape And Reel
NRND
- - EAR99 - No availability of distributors reported, please contact our sales office

STBCFG01JR

Package

Chip Scale Package 0.4mm pitch

Packing Type

Tape And Reel

Unit Price (US$)

*

Marketing Status

NRND

Unit Price (US$)

-

Quantity

-

ECCN (US)

EAR99

Country of Origin

-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Evaluation Tools

    • Part Number

      Evaluation board for STBCFG01 single-cell Li+ battery charger with OTG boost, voltage mode fuel gauge and 200 mA LDO

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS10380
      Switch mode single cell Li+ battery charger with OTG boost, voltage mode fuel gauge and LDO
      3.0
      1.6 MB
      PDF
      DS10380

      Switch mode single cell Li+ battery charger with OTG boost, voltage mode fuel gauge and LDO

Publications and Collaterals

    • Description Version Size Action
      Linear and Switching Voltage Regulators Selection Guide 3.0
      370.88 KB
      PDF

      Linear and Switching Voltage Regulators Selection Guide

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STBCFG01JR
NRND
Chip Scale Package 0.4mm pitch Industrial Ecopack2

STBCFG01JR

Package:

Chip Scale Package 0.4mm pitch

Material Declaration**:

Marketing Status

NRND

Package

Chip Scale Package 0.4mm pitch

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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