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BQ2002C

LETZTE KAUFMÖGLICHKEIT

NiCd/NiMH-Batterie-Laderegler mit negativem DV, PVT

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BQ2002C wird demnächst aus dem Programm genommen
Dieses Produkt wird demnächst aus dem Programm genommen. Für neue Designs sollte ein alternatives Produkt in Erwägung gezogen werden.
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Ähnliche Funktionalität wie verglichener Baustein
BQ25172 AKTIV Eigenständiger Linearladebaustein, 0,8 A, 1 bis 6 Zellen, NiMH, im QFN-Gehäuse Smaller solution size and more flexibility

BQ2002C

LETZTE KAUFMÖGLICHKEIT
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Produktdetails

Rating Catalog Number of series cells 1, 2, 3, 4 Cell chemistry NiCd, NiMH Charge current (max) (A) 2 Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 4 Vin (max) (V) 6 Absolute max Vin (max) (V) 7 Control topology Linear Battery charge voltage (min) (V) 0 Battery charge voltage (max) (V) 6 Control interface Standalone (RC-Settable) Operating temperature range (°C) 0 to 70
Rating Catalog Number of series cells 1, 2, 3, 4 Cell chemistry NiCd, NiMH Charge current (max) (A) 2 Features BAT temp thermistor monitoring (hot/cold profile) Vin (min) (V) 4 Vin (max) (V) 6 Absolute max Vin (max) (V) 7 Control topology Linear Battery charge voltage (min) (V) 0 Battery charge voltage (max) (V) 6 Control interface Standalone (RC-Settable) Operating temperature range (°C) 0 to 70
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Fast charge of nickel cadmium
    or nickel-metal hydride batteries
  • Direct LED output displays charge status
  • Fast-charge termination by -.V, maximum voltage,
    maximum temperature, and maximum time
  • Internal band-gap voltage reference
  • Selectable pulse-trickle charge rates
  • Low-power mode
  • 8-pin 300-mil DIP or 150-mil SOIC
  • Fast charge of nickel cadmium
    or nickel-metal hydride batteries
  • Direct LED output displays charge status
  • Fast-charge termination by -.V, maximum voltage,
    maximum temperature, and maximum time
  • Internal band-gap voltage reference
  • Selectable pulse-trickle charge rates
  • Low-power mode
  • 8-pin 300-mil DIP or 150-mil SOIC

The bq2002C Fast-Charge IC is a lowcost CMOS battery-charge controller providing reliable charge termination for both NiCd and NiMH battery applications. Controlling a current-limited or constant-current supply allows the bq2002C to be the basis for a cost effective stand-alone or system-integrated charger. The bq2002C integrates fast charge with pulsed-trickle control in a single IC for charging one or more NiCd or NiMH battery cells.

Fast charge is initiated on application of the charging supply or battery replacement. For safety, fast charge is inhibited if the battery temperature and voltage are outside configured limits.

Fast charge is terminated by any of the following:

  • Peak voltage detection (PVD)
  • Negative delta voltage (–ΔV)
  • Maximum voltage
  • Maximum temperature
  • Maximum time

After fast charge, the bq2002C pulsetrickles the battery per the preconfigured limits. Fast charge may be inhibited using the INH pin. The bq2002C may also be placed in low standby-power mode to reduce system power consumption.

The bq2002C Fast-Charge IC is a lowcost CMOS battery-charge controller providing reliable charge termination for both NiCd and NiMH battery applications. Controlling a current-limited or constant-current supply allows the bq2002C to be the basis for a cost effective stand-alone or system-integrated charger. The bq2002C integrates fast charge with pulsed-trickle control in a single IC for charging one or more NiCd or NiMH battery cells.

Fast charge is initiated on application of the charging supply or battery replacement. For safety, fast charge is inhibited if the battery temperature and voltage are outside configured limits.

Fast charge is terminated by any of the following:

  • Peak voltage detection (PVD)
  • Negative delta voltage (–ΔV)
  • Maximum voltage
  • Maximum temperature
  • Maximum time

After fast charge, the bq2002C pulsetrickles the battery per the preconfigured limits. Fast charge may be inhibited using the INH pin. The bq2002C may also be placed in low standby-power mode to reduce system power consumption.
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Technische Dokumentation

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* Data sheet NiCD/NiMH Fast-Charge Management IC datasheet (Rev. A) 16 Aug 2011

Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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