DS2435S Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2435S

Battery Identification Chip with Time/Temperature Histogram

Dallas Semiconductor -> Maxim Integrated 

DS2435

TA-TG REGISTERS (84h-8Ah)

These registers define the boundaries for the temperature bins in the time/temperature histogram, as

shown in Figure 2. These temperature values are expressed in the same temperature format as shown in

Table 1. These limits therefore may be positive or negative values, expressed with 1°C resolution. The

bin limits must be specified in increasing order (i.e., TA<TB, TB<TC, etc.).

SAMPLE RATE (8Bh)

This register defines the periodic interval at which the DS2435 will take a temperature measurement for

updating the histogram data. Note that this does not affect the actual time needed to perform a

temperature conversion using the Convert T protocol; this sample rate refers only to the periodic interval

at which histogram data is updated.

The sample rate is expressed as follows:

S2

S1

S0

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

SAMPLE RATE

1/2 minute

1 minute

2 minutes

4 minutes

1/8 hour

1/4 hour

1/2 hour

1 hour

The interval specified in this register determines the LSB value for the time/temperature histogram

registers, as shown below. Examples of time expressions for a given sample rate are shown in Table 2.

HISTOGRAM REGISTER DATA GIVEN FOR SAMPLE RATE

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