BQ24707 Datasheet, PDF (29/36 Pages) Texas Instruments – 1-4 Cell Li+ Battery SMBus Charge Controller With Independent Comparator and Advanced Circuit Protection

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bq24707
bq24707A
SLUSA78B – JULY 2010 – REVISED MARCH 2011
To Inductor
Charge Current Direction
R _SNS
To Capacitor and battery
Current Sensing Direction
To SRP and SRN pin
Figure 25. Sensing Resistor PCB Layout
REVISION HISTORY
Changes from Original (July 2010) to Revision A
Page
• Changed the Functional Block Diagram, Figure 1 ................................................................................................................ 2
• Updated the description for the SRN and SRP pins ........................................................................................................... 10
• Deleted C12, added R14 and R15 in Table 8 .................................................................................................................... 23
• Added Added section: Negative Output Voltage Protection ............................................................................................... 23
Changes from Revision A (November 2010) to Revision B
Page
• Added Features for the bq24707 and bq24707A ................................................................................................................. 1
• Added device bq24707A to this data sheet .......................................................................................................................... 1
• Added bq24707A to the ORDERING INFORMATION table ................................................................................................ 2
• Added the COMPARISON TABLE ....................................................................................................................................... 2
• Added bq24707 only to the test condition of t_{ACOK_FALL_DEG} first row .................................................................................... 5
• Added bq24707A only to the test condition of t_{ACOK_FALL_DEG} second row ............................................................................ 5
• Added (bq24707) to the title of Figure 3 ............................................................................................................................... 8
• Changed the Description of the ACOK Deglitch Time Adjust bit in Table 3 ....................................................................... 15
• Changed the Adapter Detect and ACOK Output section. included 1.3s for bq24707 and 1.2ms for bq24707A ............... 18
• Added a new paragraph in the Battery Over Voltage Protection (BATOVP) section ......................................................... 21
• Changed the Description of item U1 in Table 8 .................................................................................................................. 23
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Product Folder Link(s): bq24707 bq24707A
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