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BQ25046

AKTIV

1,1-A-Stromversorgungs-IC, 5 V, der Generation 1, mit einem Eingang für kontaktlose Ladeanwendungen

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BQ25046

AKTIV
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Produktdetails

Number of series cells 1 Charge current (max) (A) 1.1 Vin (max) (V) 9 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.3 Battery charge voltage (max) (V) 3.3 Absolute max Vin (max) (V) 30 Control topology Linear Control interface Standalone (RC-Settable) Features IC thermal regulation, Integrated LDO Vin (min) (V) 3.3 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1 Charge current (max) (A) 1.1 Vin (max) (V) 9 Cell chemistry Li-Ion/Li-Polymer Battery charge voltage (min) (V) 3.3 Battery charge voltage (max) (V) 3.3 Absolute max Vin (max) (V) 30 Control topology Linear Control interface Standalone (RC-Settable) Features IC thermal regulation, Integrated LDO Vin (min) (V) 3.3 Rating Catalog Operating temperature range (°C) -40 to 85
WSON (DQC) 10 6 mm² 3 x 2
  • 30V Input Rating, with 15V Over-Voltage Protection
    (OVP) Threshold
  • Integrated Charge Current Sense for Wireless Power Transfer
    Efficiency Monitoring
  • 3.3V, 15mA integrated Low Dropout Linear Regulator (VDD3.3)
    Supplies Power to MSP430BQ1010 Directly
  • 2% Output Voltage Regulation
  • Pin Selectable 100mA and 400mA Current Limit Enables Robust Communication
    in Wireless Power Systems at any Output Current Level
  • Soft-Start Feature to Reduce Inrush Current
  • Status Indication – Power Good (PG) and Output Enabled (CHG)
  • Available in Small 2mm × 3mm DFN-10 Package
  • APPLICATIONS
    • Wireless Power Applications
    • Smart Phones
    • PDAs
    • MP3 Players
    • Low-Power Handheld Devices
  • 30V Input Rating, with 15V Over-Voltage Protection
    (OVP) Threshold
  • Integrated Charge Current Sense for Wireless Power Transfer
    Efficiency Monitoring
  • 3.3V, 15mA integrated Low Dropout Linear Regulator (VDD3.3)
    Supplies Power to MSP430BQ1010 Directly
  • 2% Output Voltage Regulation
  • Pin Selectable 100mA and 400mA Current Limit Enables Robust Communication
    in Wireless Power Systems at any Output Current Level
  • Soft-Start Feature to Reduce Inrush Current
  • Status Indication – Power Good (PG) and Output Enabled (CHG)
  • Available in Small 2mm × 3mm DFN-10 Package
  • APPLICATIONS
    • Wireless Power Applications
    • Smart Phones
    • PDAs
    • MP3 Players
    • Low-Power Handheld Devices

The bq25046 is a highly integrated linear power supply IC targeted at both wired and wireless power applications. With an accurate 5-V regulated output and integrated 3.3-V LDO, the bq25046 is an ideal solution for wireless power supply solutions up to 5 W.

The bq25046 integrates several functions which enable a wireless charging solution within a small area and low component count. These include a 3.3-V LDO which drives an MSP430BQ1010 wireless controller, high-accuracy current sense for calculating receiver-side power usage, 100mA/400mA current limits enable robust communication at all load current levels, and integrated pass FET acts as load disconnect switch and 5-V regulator to protect downstream circuitry. In addition, the bq25046 has an absolute maximum input voltage of 30 V and an OVP threshold of 15 V, which enables safe and robust operation in inductive power transfer systems that use either resistive or capacitive load modulation.

The bq25046 is a highly integrated linear power supply IC targeted at both wired and wireless power applications. With an accurate 5-V regulated output and integrated 3.3-V LDO, the bq25046 is an ideal solution for wireless power supply solutions up to 5 W.

The bq25046 integrates several functions which enable a wireless charging solution within a small area and low component count. These include a 3.3-V LDO which drives an MSP430BQ1010 wireless controller, high-accuracy current sense for calculating receiver-side power usage, 100mA/400mA current limits enable robust communication at all load current levels, and integrated pass FET acts as load disconnect switch and 5-V regulator to protect downstream circuitry. In addition, the bq25046 has an absolute maximum input voltage of 30 V and an OVP threshold of 15 V, which enables safe and robust operation in inductive power transfer systems that use either resistive or capacitive load modulation.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet 1.1A, Single-Input 5-V Power Supply IC for Contactless Charging Applications datasheet 13 Jul 2010

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