SM6780AS Datasheet PDF - Nippon Precision Circuits

OVERVIEW
The SM6780AS is a quick charge control IC for Nickel-Cadmium (Ni-Cd) and Nickel Metal Hydride (Ni-MH) rechargeable batteries. It supports quick charge, supplemental and pulse trickle charging modes. The charging mode is selected automatically in response to the battery voltage, temperature and charging time.

FEATURES
■ Ni-Cd/Ni-MH battery quick charge control
■ −∆V, ∆T/∆t, and maximum charge time cutoffs
■ 3 charge modes (quick charge, supplemental, pulse trickle charge)
■ 3 selectable charge times (80, 120, and 240 minutes)
■ Charge condition LED indicator output (on, pulsed, off)
■ Low power dissipation mode
■ 4.0 to 5.5V operating supply voltage
■ 300sec (typ) −∆V detection invalid time
■ 8mV (typ) −∆V detection accuracy
■ 25mV/min (typ) ∆T/∆t detection accuracy
■ 8-pin SOP package