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BQ2002D的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:电池管理 IC - 电池充电器 IC
  • 功能描述:具有 dT/dt 终止功能的镍镉电池/镍氢电池充电控制器
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BQ2002D的产品详情:

The bq2002D/T Fast-Charge IC are low-cost CMOS battery-charge controllers able to provide reliable charge termination for both NiCd and NiMH battery applications. Controlling a current-limited or constant-current supply allows the bq2002D/T to be the basis for a cost-effective stand-alone or system-integrated charger. The bq2002D/T integrates fast charge with optional top-off and 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:

  • Rate of temperature rise
  • Maximum voltage
  • Maximum temperature
  • Maximum time

After fast charge, the bq2002T optionally tops-off and pulse-trickles the battery per the pre-configured limits. Fast charge may be inhibited using the INH pin. The bq2002D/T may be placed in low-standby-power mode to reduce system power consumption.

BQ2002D的优势和特性:
  • Fast charge of nickel cadmium or nickel-metal hydride batteries
  • Direct LED output displays charge status
  • Fast-charge termination by rate of rise of temperature, maximum voltage, maximum temperature, and maximum time
  • Internal band-gap voltage reference
  • Optional top-off charge (bq2002T only)
  • Selectable pulse-trickle charge rates (bq2002T only)
  • Low-power mode
  • 8-pin 300-mil DIP or 150-mil SOIC
BQ2002D的参数(英文):
  • Number of series cells
  • 1, 2, 3, 4
  • Charge current (Max) (A)
  • 2
  • Operating Vin (Max) (V)
  • 6
  • Cell chemistry
  • NiCd, NiMH
  • Battery charge voltage (Min) (V)
  • 0
  • Battery charge voltage (Max) (V)
  • 6
  • Absolute Vin (safety rating) (Max) ((V))
  • 7
  • Control interface
  • Standalone (RC-Settable)
  • Features
  • BAT temp thermistor monitoring (hot/cold profile)
  • Operating Vin (Min) (V)
  • 4
  • Rating
  • Catalog
BQ2002D具体的完整产品型号参数及价格(美元):

BQ2002D的完整型号有:BQ2002DSN、BQ2002DSNTR,以下是这些产品的关键参数及官网采购报价:

BQ2002DSN,工作温度:0 to 70,封装:SOIC (D)-8,包装数量MPQ:75个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网BQ2002DSN的批量USD价格:.983(1000+)

BQ2002DSNTR,工作温度:0 to 70,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网BQ2002DSNTR的批量USD价格:.825(1000+)

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BQ2002D的评估套件:

TEMPSENSE-SW — 温度传感设计软件

The TempSense Designer software allows the user to easily design temperature sensing circuits for many of the Texas Instruments battery charger devices. A full listing of the supported devices is included under the "Support" menu in the program. The user can use the thermisters included in the (...)
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