BQ2000SN-B5TR ,Multi-Chemistry Switchmode Charge Management IC With Peak Voltage Detection TerminationBlock DiagramCopyright 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 3Pr ..
BQ2000T ,Multi-Chemistry Switchmode Charge Management IC With dT/dt TerminationGENERAL DESCRIPTION• Safe Management of Fast Charge for NiCd,NiMH, or Li-Ion Battery PacksThe bq200 ..
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BQ2000T ,Multi-Chemistry Switchmode Charge Management IC With dT/dt TerminationFUNCTIONAL DESCRIPTIONThe bq2000T is a versatile, multi-chemistry battery charge control device. Se ..
BQ2000T ,Multi-Chemistry Switchmode Charge Management IC With dT/dt Terminationbq2000T
BQ2000TPN-B5 ,Multi-Chemistry Switchmode Charge Management IC With dT/dt TerminationBlock DiagramCopyright 1999–2010, Texas Instruments Incorporated Submit Documentation Feedback 3Pr ..
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BQ2000-BQ2000PN-B5-BQ2000PW-BQ2000PWG4-BQ2000PWR-BQ2000PWRG4-BQ2000SN-B5-BQ2000SN-B5TR
Multi-Chemistry Switchmode Charge Management IC With Peak Voltage Detection Termination
bq2000
www.ti.com SLUS138D –JANUARY 2008–REVISED DECEMBER 2009
Programmable Multi-Chemistry Fast-Charge Management IC
(PVD) for Nickel chemistries, Minimum Current process eliminates undesirable, undercharged, or
overcharged conditions, and allows accurate and safe
for Li-Ion chemistries, Maximum Temperature,terminationof fast charge
and Maximum Charge Time Selectable Top-Off Mode for Achieving Depending on the chemistry, the bq2000 providesa
Maximum Capacityin NiMH Batteries numberof charge termination criteria: Peak voltage, PVD (for NiCd and NiMH)
• Programmable Trickle-Charge Mode for
Reviving Deeply Discharged Batteries and for • Minimum charge current (for Li-Ion)
Postcharge Maintenance Maximum temperature
Built-in Battery Removal and Maximum charge time
Detection safety, the bq2000 inhibits fast charge until the
• Sleep Mode for Low Power Consumption voltage and temperature are within limits.If the battery voltageis below the
APPLICATIONS threshold, the bq2000 uses trickle-charge condition the battery. For NiMH batteries, the
• Multi-Chemistry Charger provides an optional top-off charge to
• Nickel Charger the battery capacity.
• High-Power, Multi-Cell Charger integrated high-speed comparator allows the
bq2000to be the basis fora complete, high-efficiency
battery charger circuit for both nickel-based and
lithium-based chemistries.
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or SOICor TSSOP Pin NamesSNS Current-sense input ground output
BAT Battery-voltage Temperature-sense Timer-program input
VCC Supply-voltage input
MOD Modulation-control output
