TPIC83000IPWRQ1 datasheet(7/44 Pages) TI

7 / 44 page

TPIC83000-Q1

www.ti.com

SLDS171 – NOVEMBER 2009

System Configuration/Programming

See the "Baud Rate Settings" table (Table 21).

Programming Voltage

•

Internally generated programming voltage

•

Only active during the write mode

•

The programming voltage can be monitored at PROGV pin.

•

15-ms sec timer / internal undervoltage comparator to guarantee required programming time and voltage

level. (12.5 V, 15 ms + system response time > 20 ms)

Temperature Sensor

•

Output data linearly proportional to temperature.

Internal Oscillator

•

2.458 MHz

•

External resistor is used for current reference

•

10 k

Ω

Sensor Output

•

Input signal from sensor is analog/digitally processed and output 10-bit word via DIO

•

Linear region: output is linear to the sensor input. Clamp region: output is at the clamp value.

•

Output and DIAG data can be requested every 100 ms.

•

Refer to Data format communications between microprocessor to IC Mode selection (microprocessor

→ IC)

chart.

Data Transfer Format

See Table 16.

Data Output Request (Sensor vs Calibration Mode)

Sensor Mode

1. Receive sensor position ID

2. Output pressure or temperature + DIAG + MODE information

Calibration Mode

A data access mode can be selected by setting ACSUNT

Bank Mode (ACSUNT = 1)

1. Receive sensor position ID + command

2. Receive Bank address

3. Available output is: 1. Sensor output + diagnostics, 2. Temperature, 3. ADC output, 4. Configuration baud

rate, 5. Sensor ID + Position ID, 6. Over-pressure setting, 7. Calibration setting, 8 Temperature data, 9.

Over-pressure setting history, 10. Calibration history, 11. Mode data

Field Mode (ACSUNT = 0)

1. Receive sensor position ID + Command

2. Receive Field address

3. Available output is: 1. Sensor + diagnostics, 2. Temperature, 3. ADC output, 4. Mode data

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