ZSPM2000 Datasheet

© 2016 Integrated Device Technology, Inc.

5

January 27, 2016

List of Figures

Figure 2.1

Typical Application Circuit with a 5V Supply Voltage ....................................................................... 12

Figure 2.2

Block Diagram................................................................................................................................... 13

Figure 2.3

Pin-Out QFN28 Package .................................................................................................................. 15

Figure 3.1

Simplified Block Diagram of the Digital Compensation .................................................................... 17

Figure 3.2

Power Sequencing............................................................................................................................ 18

Figure 3.3

Power Sequencing with Non-zero Off Voltage ................................................................................. 19

Figure 3.4

Inductor Current Sensing Using the DCR Method............................................................................ 20

Figure 4.1

PMBus™ Timing Diagram ................................................................................................................ 24

Figure 5.1

Output Voltage Sense Circuitry ........................................................................................................ 35

Figure 5.2

Inductor Current Sensing Using the DCR Method............................................................................ 36

Figure 5.3

Input Voltage Sense Circuitry ........................................................................................................... 37

Figure 6.1

Adaptive Non-overlap Dead-Time Control Timing Diagram ............................................................. 38

Figure 7.1

28-Pin QFN Package Drawing.......................................................................................................... 39

Figure 7.2

28-Pin QFN Recommended Mounting Footprint .............................................................................. 40

Figure 7.3

Top Marking Diagram ....................................................................................................................... 40

List of Tables

Table 3.1

Supported Switching Frequencies .................................................................................................... 16

Table 3.2

Fault Configuration Overview ........................................................................................................... 21

Table 3.3

GPIO0 Pin Configuration Options..................................................................................................... 23

Table 4.1

PMBus™ Timing Specification ......................................................................................................... 24

Table 4.2

Supported Resistor Values for PMBus™ Address Selection ........................................................... 25

Table 4.3

PMBus™ Address Selection without Resistors ................................................................................ 26

Table 4.4

List of Supported PMBus™ Configuration Registers........................................................................ 26

Table 4.5

List of Supported PMBus™ Status Registers/Commands ............................................................... 28

Table 4.6

Additional Supported PMBus™ Registers ........................................................................................ 28

Table 4.7

Supported PMBus™ Operation Modes ............................................................................................ 29

Table 4.8

Supported PMBus™ ON_OFF_CONFIG Options............................................................................ 29

Table 5.1

Output Voltage Feedback Component Overview ............................................................................. 35

Table 5.2

Input Voltage Sense Component Overview...................................................................................... 37