bq2000 is a programmable, monolithic IC for fast-charge management of nickel cadmium (NiCd), nickel metal-hydride (NiMH), or lithium-ion (Li-Ion) batteries in single- or multi-chemistry applications. The bq2000 detects the battery chemistry and proceeds with the optimal charging and termination algorithms. This process eliminates undesirable under-charged or overcharged conditions and allows accurate and safe termination of fast charge. Depending on the chemistry, the bq2000 provides a number of charge termination criteria: � Peak voltage, PVD (for NiCd and NiMH) � Minimum charging current (f or Li-Ion) � Maximum temperature � Maximum charge time For safety, the bq2000 inhibits fast charge until the battery voltage and temperature are within user-defined limits. If the battery voltage is below the low-voltage threshold, the bq2000 will enter sleep mode until the battery voltage and temperature rise to a safe level.
The bq2000 is a programmable, monolithic IC designed for the fast-charge management of nickel cadmium (NiCd), nickel metal-hydride (NiMH), or lithium-ion (Li-Ion) battery packs. It supports single- or multi-chemistry applications by detecting the battery chemistry and proceeding with optimal charging and termination algorithms to ensure safe and accurate charging.
| Package Types | 8-Pin DIP, Narrow SOIC, or TSSOP |
|---|---|
| Charge Termination Criteria | Peak voltage, minimum current, maximum temperature, maximum charge time |
It detects chemistry by monitoring the battery-voltage profile during the initial stage of fast charge.
The device is available in 8-Pin DIP, Narrow SOIC, or TSSOP packages.