National Instruments LM3647 Application Information, Typical Example Ni-Cd/Ni-MH, Set To

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AN-1164

2.0APPLICATION INFORMATION

2.1Typical Example

2.1.1 Ni-Cd/Ni-MH

 

 

 

AN101315-8

 

 

 

 

Set To:

SEL1

SEL2

SEL3

 

 

 

 

VCC

No Discharge before Charge

Ni-MH

Fast-PWM (LM3647 has current feedback)

Hi-Z

Discharge before Charge

NA

NA

 

 

 

 

GND

Maintenance Charge Only

Ni-Cd

Slow-PWM (external current control)

 

 

 

 

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Contents General Description KEY FeaturesJumper Settings Documentation InformationFunctional Description Components Critical to Total Charger Performance Clarifications Regarding Circuit Schematics Setting The Charge Timeout MinutesPhase Timeout Setting The Charge CurrentSetting Maximum Battery Voltage Charge Phase Duty Cycle Set To Application InformationTypical Example Ni-Cd/Ni-MH SEL1 SEL2 SEL3Li-Ion LM3647 Reference Design DEMO-BOARD Life Support Policy