iii

Rev 1.2

Table of Contents

1. General Description .............................................................................................................................................................. 1

2. Features ................................................................................................................................................................................. 2

3. Block Diagram ...................................................................................................................................................................... 4

4. Pin Information ..................................................................................................................................................................... 5

4.1 Pin Assignment ............................................................................................................................................................... 5

4.2 Pin Descriptions .............................................................................................................................................................. 6

4.3 Buffer list ........................................................................................................................................................................ 9

5. Electrical Characteristics..................................................................................................................................................... 10

5.1 Absolute Maximum Ratings.......................................................................................................................................... 10

5.2 Recommended Operating Ranges ................................................................................................................................. 10

5.3 DC Characteristics .........................................................................................................................................................11

5.3.1 DC Characteristics except USB differential signals................................................................................................11

5.3.2 USB 2.0 Interface DC Characteristics.....................................................................................................................11

5.3.3 USB 3.0 Interface DC Characteristics.....................................................................................................................11

5.4 AC Characteristics..........................................................................................................................................................11

5.4.1 System Clock ..........................................................................................................................................................11

5.5 Power Consumption ...................................................................................................................................................... 12

5.6 Power On/Off Sequence................................................................................................................................................ 15

6. SMBus Slave Interface........................................................................................................................................................ 17

6.1 Pull-Up Resistor for SMBus ......................................................................................................................................... 17

6.2 SMBus Bus Protocol ..................................................................................................................................................... 17

6.2.1 Receive Byte .......................................................................................................................................................... 18

6.2.2 Block Write/Block Read......................................................................................................................................... 19

6.3 SMBus Transfer Protocol .............................................................................................................................................. 19

6.3.1 Slave Address ......................................................................................................................................................... 19

6.3.2 Get Device Status ................................................................................................................................................... 19

6.3.3 Block-out Transfer ................................................................................................................................................. 20

6.3.4 Block-in Transfer ................................................................................................................................................... 20

6.3.5 SMBus Patch Setting Tranfer ................................................................................................................................. 20

6.3.6 Customer Charging Configuration Transfer ........................................................................................................... 21

6.3.7 Invalid Protocol Response Behavior ...................................................................................................................... 22

6.4 Bus Reset Sequence ...................................................................................................................................................... 22

6.5 SMBus Timing .............................................................................................................................................................. 22

7. I2C Master and slave interface............................................................................................................................................ 24

7.1 I2C Slave interface ........................................................................................................................................................ 24

7.2 I2C Master interface...................................................................................................................................................... 24

7.2.1 Supported Mode and Speed.................................................................................................................................... 24

7.2.2 Transfer Protocol Implementation.......................................................................................................................... 24

7.2.3 Stretching the SCK................................................................................................................................................. 25

7.2.4 Slave Response Timeout ........................................................................................................................................ 25

7.3 I2C Timing .................................................................................................................................................................... 25

8. QFN-76 Package Dimensions ............................................................................................................................................. 28

9. Ordering Information .......................................................................................................................................................... 30