SMB239

Summit Microelectronics, Inc

2129 3.0 2/23/2009

23

Table 7 – Other Charging Parameters – 8-bit (address: 03h) – Non-Volatile & Volatile (mirror)

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Automatic Recharge

0

X

X

X

X

X

X

X

Enabled

1

X

X

X

X

X

X

X

Disabled

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Current Termination

X

0

X

X

X

X

X

X

Enabled

X

1

X

X

X

X

X

X

Disabled

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Pre-charge to Fast-charge Voltage

Threshold

X

X

0

0

0

X

X

X

2.4V

X

X

0

0

1

X

X

X

2.5V

X

X

0

1

0

X

X

X

2.6V

X

X

0

1

1

X

X

X

2.7V

X

X

1

0

0

X

X

X

2.8V

X

X

1

0

1

X

X

X

2.9V

X

X

1

1

0

X

X

X

3.0V

X

X

1

1

1

X

X

X

3.1V

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Hold-off Timer

X

X

X

X

X

X

0

X

<1msec (short)

X

X

X

X

X

X

1

X

256msec (long)

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Charger Error

X

X

X

X

X

X

X

0

Charger Error disallows re-charge cycles

X

X

X

X

X

X

X

1

Charger Errors are blocked

Table 8 – Cell temperature monitor – 8-bit (address: 04h) – Non-Volatile & Volatile (mirror)

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Thermistor Current

0

0

X

X

X

X

X

X

100

µA (10k NTC)

0

1

X

X

X

X

X

X

40

µA (25k NTC)

1

0

X

X

X

X

X

X

10

µA (100k NTC)

1

1

X

X

X

X

X

X

0

µA (Disabled)

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

Low Temperature Alarm Trip Point

X

X

0

0

0

X

X

X

-20

°C

X

X

0

0

1

X

X

X

-15

°C

X

X

0

1

0

X

X

X

-10

°C

X

X

0

1

1

X

X

X

-5

°C

X

X

1

0

0

X

X

X

0

°C

X

X

1

0

1

X

X

X

+5

°C

X

X

1

1

0

X

X

X

+10

°C

X

X

1

1

1

X

X

X

+15

°C

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

High Temperature Alarm Trip Point

X

X

X

X

X

0

0

0

+30

°C

X

X

X

X

X

0

0

1

+35

°C

X

X

X

X

X

0

1

0

+40

°C

X

X

X

X

X

0

1

1

+45

°C

X

X

X

X

X

1

0

0

+50

°C

X

X

X

X

X

1

0

1

+55

°C

X

X

X

X

X

1

1

0

+60

°C

X

X

X

X

X

1

1

1

+65

°C

CONFIGURATION REGISTERS (CONT.)