ADN8830 Long-Time TEC Controller

1

AVDD

Analog supply input for the nondriver sections of the controller macro-model.

2

PVDD

Power driver supply input for the direct TEC drive stage in the long-time macro-model.

3

THERMIN

Thermistor feedback input used to sense the controlled temperature.

4

TEMPSET

Target temperature control input voltage for the temperature regulation loop.

5

COMPFB

Feedback summing node for the compensation amplifier network.

6

PGND

Power driver ground return for the long-time TEC drive stage.

7

AGND

Analog ground reference for the controller macro-model.

8

1.5V

Internal 1.5 V reference node exposed by the MicroCap macro-model.

9

VREF

Reference voltage output generated by the controller macro-model.

10

THERMFAULT

Digital fault output indicating an open or shorted thermistor condition.

11

TEMPLOCK

Digital output indicating that measured temperature is near the target temperature.

12

TEMPCTL

Temperature error amplifier output for the external compensation network.

13

COMPOUT

Compensation amplifier output for the temperature-control loop.

14

OUT_B

Direct TEC drive terminal B in the long-time macro-model.

15

OUT_A

Direct TEC drive terminal A in the long-time macro-model.

16

TEMPOUT

Temperature monitor output proportional to the thermistor and target-temperature difference.