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MAX1645 - Level 2 Battery Chargers

General Description

The MAX1645 are high-efficiency battery chargers capable of charging batteries of any chemistry type.

It uses the Intel System Management Bus (SMBus) to control voltage and current charge outputs.

Key Features

  • MAX1645/MAX1645A.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1566; Rev 2; 1/01 Advanced Chemistry-Independent, Level 2 Battery Chargers with Input Current Limiting General Description The MAX1645 are high-efficiency battery chargers capable of charging batteries of any chemistry type. It uses the Intel System Management Bus (SMBus) to control voltage and current charge outputs. When charging lithium-ion (Li+) batteries, the MAX1645 automatically transition from regulating current to regulating voltage. The MAX1645 can also limit line input current so as not to exceed a predetermined current drawn from the DC source. A 175s charge safety timer prevents “runaway charging” should the MAX1645 stop receiving charging voltage/ current commands.