DESCRIPTION
The fast-charge battery controller circuit, U2402B, uses bipolar technology. The IC enables the designer to create an efficient and economic charge system. FEATURES
D D D D D D D Multiple gradient monitoring Temperature window (Tmin/Tmax) Exact battery voltage measurement without charge Phase control for charge-current regulation Top-off and trickle charge function Two LED outputs for charge status indication Disabling of d2V/dt2 switch-off criteria during battery formation APPLICATIONS
D Portable power tools D Laptop/notebook personal computer D Cellular/cordless phones D Emergency lighting systems D Hobby equipment D Camcorder Package: DIP18, SO20 16 (18) 14 (15) 13 (14) 12 (13) 11 (12) D Battery-voltage check 18 (20) 17 (19) Sync ö C ö R VRef 6.5 V/10 mA Oscillator Status control 3 (3) Phase control Vöi 4 (4) Scan path 1 (1) Trigger output Control unit Gradient d2V/dt2 and –dV Battery detection VRef = 5 V 10 (11) VBatt Monitor 0.1 to 4 V Power - on control 15 (17) 2 (2)...