Product Summary

The MC33340P is a monolithic control IC that is specifically designed as fast charge controllers for Nickel Cadmium (NiCd) and Nickel Metal Hydride (NiMH) batteries.The MC33340P eature negative slope voltage detection as the primary means for fast charge termination.The MC33340P has a typical holdoff time of 177 seconds and the MC33342 has a typical holdoff time of 708 seconds.

Parametrics

MC33340P absolute maximum ratings: (1) Power Supply Voltage (Pin 8) VCC: 18V; (2) Input Voltage Range Time/Temperature Select (Pins 5, 6, 7) VIR (t/T) : -1.0 to VCC, Battery Sense, (Note 2) (Pin 1) VIR (sen) : -1.0 to Vcc +0.6 or -1.0 to 10V; (3) Vsen Gate Output (Pin 2) Voltage Vo (gate) : 20V, Current IO ( gate) : 50mA; (4) Fast/Trickle Output (Pin 3) Voltage VO ( F/T) : 20V, Current IO (F/T) : 50mA; (5) Operating Junction Temperature Tj: -25 to +85°C; (6) Operating Ambient Temperature TA: -25 to +85°C; (7) Storage Temperature Tstg: -55 to +150°C.

Features

MC33340P features: (1) Negative Slope Voltage Detection with 4.0 mV Sensitivity; (2) Accurate Zero Current Battery Voltage Sensing; (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) Operating Voltage Range of 3.25V to 18V; (8) 708 seconds Fast Change Holdoff Time.

Diagrams

MC33340P Pin Configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MC33340P
MC33340P

ON Semiconductor

Battery Management 18V Max NiCD/NiMH

Data Sheet

Negotiable 
MC33340PG
MC33340PG

ON Semiconductor

Battery Management 18V Max NiCD/NiMH Fast Charge

Data Sheet

Negotiable