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Battery Charge Management

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BQ24742 : Multi-chemistry Battery Charger with Input Power Detect

BQ24747 : SMBus-Controlled Level 2 Multi-Chemistry Battery Charger

BQ24040 : 800mA, Single-Input, Single Cell Li-Ion Battery Charger with Auto Start. Vovp=6.6V

Application Notes   

  • Operating Fuel Gauge bq20z7x/8x/9x and SMBus-Like bq24745/47/65 Chargers (slua533.HTM, 9 KB)
    06 Oct 2009 Abstract
  • Q4 2009 Issue Analog Applications Journal (slyt354.PDF, 1.42 MB)
    04 Oct 2009 Download
 

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Part Number  Status  Battery Charge Voltage (V)  Power Good Reporting  Thermal Regulation  Timer  USB  Integrated FET  Primary Charge Termination Method  Safety Charge Timer  Temp Monitoring  Charge Current (max) (A)  Charge Status Outputs  Control Topology  Switching Frequency (kHz)  Pin/Package  Approx. Price (US$)  
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BQ24742NEW
ACTIVE  		18            Host Controlled      10  1  Switchmode  300-800  28QFN2.30 | 1ku  Multi-chemistry Battery Charger with Input Power Detect  
BQ24747NEW
ACTIVE  		1.024 to 19.2          Yes  Host Controlled      8.064  1  Switchmode  300  28QFN2.90 | 1ku  SMBus-Controlled Level 2 Multi-Chemistry Battery Charger  
BQ24055NEW
ACTIVE  		4.2            Program Term      0.8  2  CC/CV    12SON1.45 | 1ku  800mA, Single-Input, Single Cell Li-Ion Battery Charger with Automatic AC/USB Detection and PG  
BQ24052NEW
ACTIVE  		4.2            Program Term      0.8  2  CC/CV    10SON1.45 | 1ku  800mA, Single-Input, Single Cell Li-Ion Battery Charger with Automatic AC/USB Detection, Rntc=100k  
BQ24050NEW
ACTIVE  		4.2            Program Term      0.8  2  CC/CV    10SON1.45 | 1ku  800mA, Single-Input, Single Cell Li-Ion Battery Charger with Automatic AC/USB Detection. Rntc=10k  
BQ24041NEW
ACTIVE  		4.2            Fixed 10% of Fast-CHG      0.8  2  CC/CV    10SON1.15 | 1ku  800mA, Single-Input, Single Cell Li-Ion Battery Charger with Auto Start. Vovp=7.1V  
BQ24040NEW
ACTIVE  		4.2            Program Term      0.8  2  CC/CV    10SON1.15 | 1ku  800mA, Single-Input, Single Cell Li-Ion Battery Charger with Auto Start. Vovp=6.6V  
BQ24753ANEW
ACTIVE  		            Host Controlled        1  Switchmode  300  28QFN2.50 | 1ku  Host-Controlled Li-Ion and Li-Polymer Battery Charger with Low Iq and System Power Selector  
BQ24079NEW
ACTIVE  		4.1            Minimum Current      1.5  2  Linear    16QFN1.60 | 1ku  1.2A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC with 4.1 VBAT  
BQ24704NEW
ACTIVE  		4 to 4.512            Host Controlled      up to 8  1  Switchmode  300  24VQFN2.20 | 1ku  Low Cost, Host-Controlled Li-Ion and Li-Polymer Battery Charger With Low Iq  
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