Datasheet

bq24072, bq24073
bq24074, bq24075, bq24079
www.ti.com SLUS810G –SEPTEMBER 2008–REVISED JULY 2011
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. ..................................................................................................................... 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
Changes from Revision E (August 2010) to Revision F Page
• Changed 10 x 45 s/kΩ to 10 x 48 s/kΩ under section Program 6.25hour......(TMR) ......................................................... 30
Changes from Revision F (September 2010) to Revision G Page
• Added ESD human body model specification to Abs Maximum Ratings table. ................................................................... 3
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