EMC1823 datasheet(3/103 Pages) MICROCHIP

3 / 103 page

Table of Contents

Features.......................................................................................................................... 1

Typical Applications.........................................................................................................1

Description.......................................................................................................................1

1. Package Types.......................................................................................................... 5

2. Functional Block Diagram..........................................................................................6

3. Electrical Characteristics........................................................................................... 7

3.1.

Absolute Maximum Ratings..........................................................................................................7

4. Typical Operating Curves.........................................................................................11

5. Pin Descriptions.......................................................................................................12

5.1.

Power Supply (VDD)................................................................................................................... 13

5.2.

Diode 1 Pair (DN1/DP1)............................................................................................................. 13

5.3.

System Shutdown...................................................................................................................... 13

5.4.

Ground (GND)............................................................................................................................ 13

5.5.

Maskable ALERT (ALERT/THERM2).........................................................................................13

5.6.

SMBus/I2C Data (SDA).............................................................................................................. 13

5.7.

DP/DP1...................................................................................................................................... 13

5.8.

DN/DN1...................................................................................................................................... 13

5.9.

DP2............................................................................................................................................ 14

5.10. DN2............................................................................................................................................ 14

5.11. Anti-Parallel Diode Pair (DP2/DN3 and DN2/DP3).................................................................... 14

5.12. Anti-Parallel Diode Pair (DP1/DN2 and DN1/DP2).................................................................... 14

5.13. Anti-Parallel Diode Pair (DP3/DN4 and DN3/DP4).................................................................... 14

5.14. SMBus Clock (SCL)................................................................................................................... 14

5.15. Exposed Thermal Pad (EP)........................................................................................................14

6. Detailed Description................................................................................................ 15

7. System Block Diagram............................................................................................ 16

7.1.

Temperature Measurement........................................................................................................ 16

7.2.

Temperature Measurement Results and Data............................................................................16

7.3.

Limit Registers............................................................................................................................17

7.4.

Limit Register Interaction............................................................................................................18

7.5.

ALERT/THERM2 Output............................................................................................................ 18

7.6.

System Shutdown...................................................................................................................... 19

7.7.

External Diode Connections.......................................................................................................21

7.8.

Power States.............................................................................................................................. 22

7.9.

Conversion Rates.......................................................................................................................22

7.10. Dynamic Averaging.................................................................................................................... 23

Datasheet

DS20006048A-page 3

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