HomedatasheetMC33342D

MC33342D Datasheet

Battery Management
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Description

The MC33342D are monolithic control IC’s that are specifically designed as fast charge controllers for Nickel Cadmium (NiCd) and Nickel Metal Hydride (NiMH) batteries. These devices feature negative slope voltage detection as the primary means for fast charge termination. Accurate detection is ensured by an output that momentarily interrupts the charge current for precise voltage sampling. An additional secondary backup termination method can be selected that consists of either a programmable time or temperature limit. Protective features include battery over and undervoltage detection, latched over temperature detection, and power supply input undervoltage lockout with hysteresis. Fast charge holdoff time is the only difference between the MC33340 and the MC33342D. The MC33342D has a typical holdoff time of 708 seconds. MC33342D Features • Negative Slope Voltage Detection with 4.0 mV Sensitivity• Accurate Zero Current Battery Voltage Sensing• High Noise Immunity with Synchronous VFC/Logic• Programmable 1 to 4 Hour Fast Charge Time Limit• Programmable Over/Undertemperature Detection• Battery Over and Undervoltage Fast Charge Protection• Power Supply Input Undervoltage Lockout with Hysteresis• Operating Voltage Range of 3.25 V to 18 V• 177 seconds Fast Change Holdoff Time (MC33340)• 708 seconds Fast Change Holdoff Time (MC33342)• Pb−Free Packages are Available
Features

Parameters

[{"Name":"Operating Supply Voltage","Value":"3.25 V to 18 V"},{"Name":"Maximum Operating Temperature","Value":"+ 85 C"},{"Name":"Minimum Operating Temperature","Value":"- 25 C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

WUXI YOUDA ELECTRONICS CO.,LTD
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