Smart Battery Module With LEDs

The BQ2145 Smart Battery Module provides a complete solution for the design of intelligent battery packs. The BQ2145 uses the SMBus protocol and supports Smart Battery Data commands in the SMB/SBD specifications. Designed for battery pack integration, the BQ2145 com- bines the BQ2945 Gas Gauge IC with a serial EEPROM on a small printed circuit board. The board includes all the necessary components to accurately monitor battery capacity and communicate critical battery parameters to the host system or Battery Charger The BQ2145 also in- cludes five LEDs The push-button Switch activates the LEDs to show remaining battery capacity in 20% incre- ments. Contacts are provided on the BQ2145 for direct connec- tion to the battery stack (B+, B-) and the two-wire inter- face (C, D). Please refer to the BQ2945 data sheet for specific information on the operation of the Gas Gauge and Communication Interface Unitrode configures the BQ2145 based on the informa- tion requested in Table 1. The configuration defines the pack voltage, capacity, and chemistry and charge control parameters. The Smart Battery Module uses the on- board sense resistor to track charge and discharge activ- ity of the battery pack. Figure 1 shows how the module connects to the cells By Texas Instruments
BQ2145 's PackagesBQ2145 's pdf datasheet

BQ2145 Pinout, Pinouts
BQ2145 pinout,Pin out
This is one package pinout of BQ2145,If you need more pinouts please download BQ2145's pdf datasheet.

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