BQ24072_10 Datasheet, PDF (33/42 Pages) Texas Instruments – 1.5A USB-FRIENDLY Li-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT IC

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REVISION HISTORY
bq24072, bq24073
bq24074, bq24075, bq24079
SLUS810E – SEPTEMBER 2008 – REVISED JULY 2010
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. ..................................................................................................................... 13
• Added Using bq24075 to Disconnect the Battery from the System, Figure 28. ................................................................. 14
• Changed DETAILED FUNCTIONAL DESCRIPTION section. ............................................................................................ 17
• Changed text in section - STATUS INDICATORS (PGOOD, CHG) .................................................................................. 26
• Changed Table - CHG STATUS INDICATOR .................................................................................................................... 26
• Changed Equation 2 and Equation 3 .................................................................................................................................. 28
• Changed section - Half-Wave Adaptors ............................................................................................................................. 32
Changes from Revision A (December 2008) to Revision B
Page
• Changed V_BAT(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
Changes from Revision D (June 2009) to Revision E
Page
• Changed globally RT1 and RT2 to Rs and Rp ................................................................................................................... 28
• Added equations 2 and 3 plus explanations and table ....................................................................................................... 28
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Product Folder Link(s): bq24072 bq24073 bq24074 bq24075, bq24079