Texas Instruments (Dallas, TX) recently released the bq2000T, 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. After detecting battery chemistry, the bq2000T is designed to determine optimal charging and termination algorithms to allow accurate and safe termination of fast charge, thus eliminating under-charged or over-charged conditions.
The bq2000T provides various charge-termination criteria, including temperature rise-rate, dT/dt for NiCd and NiMH batteries, minimum charging current for Li-ion batteries, maximum temperature, and maximum charge time. The bq2000T also inhibits fast charge until a user-defined battery voltage is met.
The bq2000T is available in an eight-pin TSSOP package.
