Product Summary

The MC33340P is a battery fast charge controller.The MC33340P is specifically designed as fast charge controllers for Nickel Cadmium (NiCd) and Nickel Metal Hydride (NiMH) batteries. The MC33340P features negative slope voltage detection as the primary means for fast charge termination.

Parametrics

MC33340P absolute maximum ratings: (1) Power Supply Voltage (Pin 8) Vcc: 8V; (2) Input Voltage Range Time/Temperature Select (Pins 5, 6, 7) VIR (t/T) : -1.0 to Vcc; (3) Battery Sense, (Note 2) (Pin 1) VIR (sen) : -1.0 to Vcc +0.6V or -1.0 to 10V; (4) Vsen Gate Output (Pin 2) Vo: 20V; (5) Current: 50mA; (6) Fast/Trickle Output (Pin 3) Voltage: 20V, Current: 50mA; (7) Thermal Resistance, Junction-to-Air RθJA: 100°C/W, D Suffix, SO-8 Plastic Package, Case 751: 178°C/W; (8) Operating Junction Temperature Tj: +150°C; (9) Operating Ambient Temperature: -25 to +85°C; (10) Storage Temperature: -55 to +150°C.

Features

MC33340P features: (1) Negative Slope Voltage Detection with 4.0 mV Sensitivity; (2) Accurate Zero Current Battery Voltage Sensing 8; (3) High Noise Immunity with Synchronous VFC/Logic; (4) Programmable 1 to 4 Hour Fast Charge Time Limit; (5) Programmable Over/Undertemperature Detection; (6) Battery Over and Undervoltage Fast Charge Protection; (7) Power Supply Input Undervoltage Lockout with Hysteresis; (8) Operating Voltage Range of 3.25 V to 18 V; (9) 177 seconds Fast Change Holdoff Time (MC33340) ; (10) Pb-Free Packages are Available.

Diagrams

MC33340P Pin Connections