BQ2000_15 Datasheet, PDF (18/29 Pages) Texas Instruments – Programmable Multi-Chemistry Fast-Charge Management IC

bq2000
SLUS138D – JANUARY 2008 – REVISED DECEMBER 2009
REVISION HISTORY
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Changes from Revision September 1998 (*) to Revision 1
Page
• Changed the device status From: Preliminary To: Final ....................................................................................................... 1
• Changed the DC THRESHOLDS - V_TCO, V_HTF, V_LTF Tolerance ............................................................................................ 5
• Changed the RECOMMENDED DC OPERATING CONDITIONS - R_MTO, C_MTO Values ...................................................... 5
• Added Figure 3 - Battery Voltage Divider and Filter ............................................................................................................. 6
• Changed MTO equation From: MTO = R x C x 71,976 ........................................................................................................ 8
• Added Figure 8 ................................................................................................................................................................... 11
Changes from Revision 1 (January 1999) to Revision 2
Page
• Changed Table 4 - V_BLAT value ........................................................................................................................................... 14
• Changed Table 5 - V_BLAT value ........................................................................................................................................... 15
Changes from Revision 2 (March 1999) to Revision 3
Page
• Added the TSSOP Package option ...................................................................................................................................... 1
• Added Figure 2 State Diagram ............................................................................................................................................. 4
• Changed the DC THRESHOLDS - V_TCO, V_HTF, V_LTF Tolerance ............................................................................................ 5
• Changed Figure 7 - Single-Cell Li-Ion, 3-Cell NiCd/NiMH 1A Charger .............................................................................. 10
• Changed the Top-Off and Pulse-Trickle Maintenance Charge section - Updated requirement for enabling top-off .......... 10
Changes from Revision 3 (May 1999) to Revision 4
Page
• Changed Rec DC Operating Conditions, V_OH - From: MIN = V_CC - 0.2 at I_OH = 20mA To: MIN = V_CC - 0.4 at I_OH =
10mA ..................................................................................................................................................................................... 5
• Changed Rec DC Operating Conditions, V_OH - From: I_OH = 20mA To: I_OH = 10mA ............................................................. 5
• Changed Figure 8 - Updated tolerance on the curve ......................................................................................................... 11
Changes from Revision 4 (February 2000) to Revision 5
Page
• Changed Figure 2 State Diagram - Battery voltage detail From: (checked at all times) To: Voltage regulation
checked constantly. PVD checked at rate of MTO/64. ......................................................................................................... 4
• Changed Figure 2 State Diagram - Battery temperature detail From: (checked at all times) To;: (checked 1,750
times per second) ................................................................................................................................................................. 4
Changes from Revision 5 (February 2001) to Revision 6
Page
• Changed the Top-Off and Pulse-Trickle Maintenance Charge section - First paragraph From: the value of the
resistor connected to this pin should be less than 15kΩ To: the value of the resistor connected to this pin should be
less than 250kΩ .................................................................................................................................................................. 10
Changes from Revision 6 (January 2008) to Revision D
Page
• Changed the data sheet format. The data sheet was originally from Benchmark Products. In revision D, the data
sheet was converted to the TI format, and a re-write of the data sheet was implemented .................................................. 1
18
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