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BQ24079 Datasheet, PDF (31/39 Pages) Texas Instruments – 1.5A USB-FRIENDLY Li-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT IC
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bq24072, bq24073
bq24074, bq24075, bq24079
www.ti.com................................................................................................................................................. SLUS810D – SEPTEMBER 2008 – REVISED JUNE 2009
Revision History
Changes from Original (September 2008) to Revision A ............................................................................................... Page
• Changed device Features...................................................................................................................................................... 1
• Changed Description. ............................................................................................................................................................ 1
• Changed Typical Application Circuit ...................................................................................................................................... 1
• Changed description of CHG pin. .......................................................................................................................................... 6
• Changed SYSOFF Description. ............................................................................................................................................. 7
• Changed the Simplified Block Diagram ................................................................................................................................. 8
• Added Figure 4 through Figure 11......................................................................................................................................... 9
• Changed APPLICATION CIRCUITS section. ...................................................................................................................... 12
• Added Using bq24075 to Disconnect the Battery from the System, Figure 28. .................................................................. 13
• Changed DETAILED FUNCTIONAL DESCRIPTION section.............................................................................................. 16
• Changed text in section - STATUS INDICATORS (PGOOD, CHG).................................................................................... 25
• Changed Table - CHG STATUS INDICATOR ..................................................................................................................... 25
• Changed Equation 2 and Equation 3................................................................................................................................... 27
• Changed section - Half-Wave Adaptors .............................................................................................................................. 30
Changes from Revision A (December 2008) to Revision B ........................................................................................... Page
• Changed VBAT(REG) max value From 4.24 V To: 4.23 V ......................................................................................................... 5
Changes from Revision B (January 2009) to Revision C ............................................................................................... Page
• Changed Maximum input current factor values. ................................................................................................................... 4
Changes from Revision C (March 2009) to Revision D .................................................................................................. Page
• Added Device number bq24079. ........................................................................................................................................... 1
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Product Folder Link(s): bq24072 bq24073 bq24074 bq24075, bq24079
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