ZSPM4521 Datasheet

© 2016 Integrated Device Technology, Inc.

4

January 27, 2016

List of Figures

Figure 2.1

ZSPM4521 Block Diagram ............................................................................................................... 11

Figure 2.2

Charging State Diagram ................................................................................................................... 14

Figure 2.3

Subaddress in I

2C™ Transmission................................................................................................... 15

Figure 2.4

I

2C™ Start / Stop Protocol ................................................................................................................ 16

Figure 2.5

I

2C™ Data Transmission Timing ...................................................................................................... 16

Figure 3.1

Typical Application Circuit for Charging a Lithium-Ion Battery via Photovoltaic Cells...................... 22

Figure 4.1

PQFN-16 Package Dimensions........................................................................................................ 24

Figure 4.2

ZSPM4521 Pin Assignments ............................................................................................................ 25

Figure 4.3

Marking Diagram 16-Pin PQFN (4 x 4 mm)...................................................................................... 26

Figure 5.1

Package and PCB Land Configuration for Multi-Layer PCB ........................................................... 27

Figure 5.2

JEDEC Standard FR4 Multi-Layer Board – Cross-Sectional View................................................... 27

Figure 5.3

Conducting Heat Away from the Die using an Exposed Pad Package ............................................ 28

Figure 5.4

Application Using a Single-Layer PCB ............................................................................................. 29

List of Tables

Table 1.1

Absolute Maximum Ratings ................................................................................................................ 5

Table 1.2

Thermal Characteristics ...................................................................................................................... 5

Table 1.3

Recommended Operating Conditions ................................................................................................ 6

Table 1.4

Electrical Characteristics .................................................................................................................... 6

Table 1.5

I

2C™ Interface Timing Characteristics.............................................................................................. 10

Table 2.1

Register Descriptions (Device Address = 48HEX).............................................................................. 17

Table 2.2

STATUS Register—Address 00HEX .................................................................................................. 17

Table 2.3

Configuration Register CONFIG1—Address 02HEX .......................................................................... 18

Table 2.4

Configuration Register CONFIG2—Address 03HEX .......................................................................... 18

Table 2.5

Configuration Register CONFIG3—Address 04HEX .......................................................................... 19

Table 2.6

Configuration Register CONFIG4—Address 05HEX .......................................................................... 19

Table 2.7

Configuration Register CONFIG5—Address 06HEX .......................................................................... 20

Table 2.8

Enable Configuration Register CONFIG_ENABLE—Address 11HEX................................................ 21

Table 2.9

EEPROM Control Register EEPROM_CTRL—Address 12HEX ........................................................ 21

Table 4.1

Pin Description.................................................................................................................................. 25