High-Frequency,

Low-Cost SMBus Chargers

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Table 6. InputCurrent() (0x3F) (10mI Sense Resistor, RS1)

Table 7. Relearn() (0x3D)

BIT

BIT NAME

DESCRIPTION

0

—

Not used. Normally a 2mA weight.

1

—

Not used. Normally a 4mA weight.

2

—

Not used. Normally an 8mA weight.

3

—

Not used. Normally a 16mA weight.

4

—

Not used. Normally a 32mA weight.

5

—

Not used. Normally a 64mA weight.

6

—

Not used. Normally a 128mA weight.

7

Input Current, DACS 0

0 = Adds 0mA of input current compliance.

1 = Adds 256mA of input current compliance.

8

Input Current, DACS 1

0 = Adds 0mA of input current compliance.

1 = Adds 512mA of input current compliance.

9

Input Current, DACS 2

0 = Adds 0mA of input current compliance.

1 = Adds 1024mA of input current compliance.

10

Input Current, DACS 3

0 = Adds 0mA of input current compliance.

1 = Adds 2048mA of input current compliance.

11

Input Current, DACS 4

0 = Adds 0mA of input current compliance.

1 = Adds 4096mA of input current compliance.

12

Input Current, DACS 5

0 = Adds 0mA of input current compliance.

1 = Adds 8192mA of input current compliance, 11004mA max.

13

—

Not used. Normally a 16384mA weight.

14

—

Not used. Normally a 32768mA weight.

15

—

Not used. Normally a 65536mA weight.

BIT

BIT NAME

DESCRIPTION

0

Relearn, RL 0

0 = Disables the relearn function.

1 = Enables the relearn function.

When the relearn threshold is crossed as the battery discharges, bit 0

is reset to zero by the MAX17435/MAX17535.

1

—

Not used.

2

—

Not used.

3

—

Not used.

4

Relearn, RL 1

0 = Adds 0mV of relearn threshold compliance, 1024mV min.

1 = Adds 16mV of relearn threshold compliance.

5

Relearn, RL 2

0 = Adds 0mV of relearn threshold compliance, 1024mV min.

1 = Adds 32mV of relearn threshold compliance.

6

Relearn, RL 3

0 = Adds 0mV of relearn threshold compliance, 1024mV min.

1 = Adds 64mV of relearn threshold compliance.

7

Relearn, RL 4

0 = Adds 0mV of relearn threshold compliance, 1024mV min.

1 = Adds 128mV of relearn threshold compliance.

8

Relearn, RL 5

0 = Adds 0mV of relearn threshold compliance, 1024mV min.

1 = Adds 256mV of relearn threshold compliance.