NiCd Or NiMH Gas Gauge Module With Charge-Control Output

The BQ2114 Gas Gauge Module provides a complete and compact solution for capacity monitoring of NiCd and NiMH battery packs. Designed for battery pack integra- tion, the BQ2114 incorporates a BQ2014 Gas Gauge IC, a Current Sense resistor, and all other components neces- sary to accurately monitor and Display the capacity of 4 to 12 series cells. The bq2114L includes five surface- mounted LEDs to Display remaining capacity in 20% in- crements of the learned capacity (relative mode). The LEDs are activated with the onboard push-button Switch Contacts are provided on the BQ2114 for direct connec- tion to the battery stack (BAT+, BAT-), the serial com- munications port (DQ), the empty indicator (EMPTY), and the charge control output (CHG). Please refer to the BQ2014 data sheet for the specifics on the operation of the Gas Gauge. Unitrode configures the BQ2114 based on the informa- tion requested in Table 1. The configuration defines the number of series cells, the nominal battery pack capac- ity, and the self-discharge rate. By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ2114LB-XXX Texas Instruments DC-DC REG PWR SUPPLY MODULE
BQ2114LB-003 Texas Instruments DC-DC REG PWR SUPPLY MODULE
BQ2114B-003 Texas Instruments DC-DC REG PWR SUPPLY MODULE
BQ2114LMODULE Texas Instruments IC DC-DC REG PWR SUPPLY MODULE, Power Supply Module
BQ2114B-XXX Texas Instruments DC-DC REG PWR SUPPLY MODULE
BQ2114 's PackagesBQ2114 's pdf datasheet



BQ2114 Pinout, Pinouts
BQ2114 pinout,Pin out
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