ZSPM1035AA1W1 datasheet, PDF - EEWORLD Datasheet

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ZSPM1035AA1W1: DescriptionSwitching Controllers 35A PM BusController P/BLK OKLP-X/35W12-C; Categorysemiconductor Power management; File Size2MB，45 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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ZSPM1035AA1W1 Overview

Switching Controllers 35A PM BusController P/BLK OKLP-X/35W12-C

ZSPM1035AA1W1 Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	IDT (Integrated Device Technology)
Product Category	Switching Controllers
RoHS	Details
Number of Outputs	1 Output
Switching Frequency	500 kHz
Input Voltage	2 V
Output Voltage	350 mV to 3.6 V
Output Current	35 A
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Mounting Style	SMD/SMT
Package / Case	QFN-24
Packaging	Reel
Description/Function	Integrates a digital control loop and optimized for maximum flexibility and stability
Isolation	Non-Isolated
Product	Digital PWM Controllers
Type	Single Phase PWM Controller
Shutdown	No Shutdown
Fall Time	300 ns
Operating Supply Current	23 mA
Operating Supply Voltage	4.75 V to 5.25 V
Rise Time	300 ns
Factory Pack Quantity	1000
Unit Weight	0.032741 oz

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True Digital PWM Controller

(Single-Phase, Single-Rail)

ZSPM1035A

Datasheet

Brief Description

The ZSPM1035A is a flexible true-digital single-

phase PWM controller optimally configured for use

with the Murata Power Solutions 35A Power Block

OKLP-X/35-W12-C in smart digital power solutions.

The ZSPM1035A integrates a digital control loop,

optimized for maximum flexibility and stability, as

well as load step and steady-state performance. In

addition, a rich set of protection and monitoring func-

tions is provided. On-chip, non-volatile memory

interface

facilitate

(NVM)

and

I C

™

configuration

IDT’s PC-based Pink Power Designer™ graphic

user interface (GUI) provides a user-friendly and

easy-to-use interface to the ZSPM1035A for com-

munication, monitoring, and configuration of the pro-

tection and sequencing features.

A downloadable reference solution is available,

including a graphical user interface, layout guide-

lines, bill of materials, and step-by-step instructions.

Benefits

•

Fast time-to-market using off-the-shelf, optimally

configured controller and power block

Fast configurability and design flexibility

Simplified design flow and high reliability via

proven system design solution

Reduced component count through system level

integration

Simplified monitoring for system power and

thermal management

Pin-to-pin compatible with the ZSPM1035C and

ZSPM1035D PWM controllers enabling point-of-

load platform designs with or without digital

communication

Higher energy efficiency across all output loading

conditions

Available Support

•

Features

•

Evaluation Kit

Reference Solution

PC-based Pink Power Designer™ GUI

•

Programmable digital control loop

Advanced digital control techniques

•

Tru-sample Technology™

•

State-Law Control™ (SLC)

•

Sub-cycle Response™ (SCR)

Improved transient response and noise immunity

Protection features

•

Over-current protection

•

Over-voltage protection (VIN, VOUT)

•

Under-voltage protection (VIN, VOUT)

•

Overloaded startup

•

Continuous retry (“hiccup”) mode for fault

conditions

Fuse-based NVM for improved reliability

Operation from a single 5V or 3.3V supply

Optional PMBus™ address selection without

external resistors

Physical Characteristics

•

Operation temperature: -40°C to +125°C

OUT

: 0.35V to 3.6V

Lead free (RoHS compliant) 24-pin QFN package

(4mm x 4mm)

ZSPM1035A Typical Application Diagram

ZSPM1035

QFN 4x4 mm

Current Sensing

Digital Control Loop

Murata

OKLP-X/35-W12-C

12V typical

Power Management

(Sequencing, Protection,…)

Driver

OUT

Housekeeping

and

Communication

* I

C™ is a registered trademark of NXP.

January 27, 2016

ZSPM1035A Datasheet

Contents

List of Figures .......................................................................................................................................................... 5

List of Tables ........................................................................................................................................................... 6

1 IC Characteristics ............................................................................................................................................. 7

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

1.2. Recommended Operating Conditions ....................................................................................................... 8

1.3. Electrical Parameters ................................................................................................................................ 8

2 Product Summary........................................................................................................................................... 11

2.1. Overview .................................................................................................................................................. 11

2.2. Pin Description......................................................................................................................................... 13

2.3. Available Packages ................................................................................................................................. 14

3 Functional Description .................................................................................................................................... 15

3.1. Power Supply Circuitry, Reference Decoupling, and Grounding ............................................................ 15

3.2. Reset/Start-up Behavior .......................................................................................................................... 15

3.3. Digital Power Control ............................................................................................................................... 15

3.3.1. Overview ........................................................................................................................................... 15

3.3.2. Output Voltage Feedback ................................................................................................................. 15

3.3.3. Digital Compensator ......................................................................................................................... 16

3.3.4. Power Sequencing and the CONTROL Pin ...................................................................................... 16

3.3.5. Pre-biased Start-up and Soft Stop .................................................................................................... 17

3.3.6. Current Sensing ................................................................................................................................ 18

3.3.7. Temperature Measurement .............................................................................................................. 19

3.4. Fault Monitoring and Response Generation ............................................................................................ 19

3.4.1. Output Over/Under-Voltage .............................................................................................................. 19

3.4.2. Output Current Protection and Limiting ............................................................................................ 20

3.4.3. Over-Temperature Protection ........................................................................................................... 20

3.5. Configuration ........................................................................................................................................... 20

4 PMBus™ Functionality ................................................................................................................................... 21

4.1. Introduction .............................................................................................................................................. 21

4.2. Timing and Bus Specification .................................................................................................................. 21

4.3. Address Selection via External Resistors ................................................................................................ 22

4.4. Configuration Registers ........................................................................................................................... 23

4.5. Monitoring ................................................................................................................................................ 25

4.6. Additional Registers ................................................................................................................................. 25

4.7. Detailed Description of the Supported PMBus™ Commands ................................................................. 26

4.7.1. OPERATION ..................................................................................................................................... 26

4.7.2. ON_OFF_CONFIG............................................................................................................................ 26

4.7.3. CLEAR_FAULTS .............................................................................................................................. 26

January 27, 2016

ZSPM1035A Datasheet

4.7.4. VOUT_MODE ................................................................................................................................... 27

4.7.5. VOUT_COMMAND ........................................................................................................................... 27

4.7.6. STATUS_BYTE................................................................................................................................. 27

4.7.7. STATUS_WORD............................................................................................................................... 28

4.7.8. STATUS_VOUT ................................................................................................................................ 28

4.7.9. STATUS_IOUT ................................................................................................................................. 29

4.7.10. STATUS_INPUT ............................................................................................................................... 29

4.7.11. STATUS_TEMPERATURE............................................................................................................... 29

4.7.12. STATUS_CML .................................................................................................................................. 30

4.7.13. STATUS_MFR_SPECIFIC ............................................................................................................... 30

4.7.14. READ_VIN ........................................................................................................................................ 30

4.7.15. READ_VOUT .................................................................................................................................... 30

4.7.16. READ_IOUT...................................................................................................................................... 31

4.7.17. READ_TEMPERATURE1 ................................................................................................................. 31

4.7.18. READ_TEMPERATURE2 ................................................................................................................. 31

5 Application Information ................................................................................................................................... 32

5.1. Typical Application Circuit ....................................................................................................................... 32

5.1.1. Output Voltage Selection .................................................................................................................. 34

5.1.2. Output Capacitor Selection ............................................................................................................... 34

5.2. Typical Performance Measurements for the ZSPM1035A ...................................................................... 34

5.2.1. Typical Load Transient Response – Capacitor Range #1 – VOUT Range #1 ................................. 35

5.2.2. Typical Load Transient Response – Capacitor Range #2 – VOUT Range #1 ................................. 36

5.2.3. Typical Load Transient Response – Capacitor Range #3 – VOUT Range #1 ................................. 37

5.2.4. Typical Load Transient Response – Capacitor Range #4 – VOUT Range #1 ................................. 38

5.2.5. Typical Load Transient Response – Capacitor Range #1 – VOUT Range #2 ................................. 39

5.2.6. Typical Load Transient Response – Capacitor Range #2 – VOUT Range #2 ................................. 40

5.2.7. Typical Load Transient Response – Capacitor Range #3 – VOUT Range #2 ................................. 41

5.2.8. Typical Load Transient Response – Capacitor Range #4 – VOUT Range #2 ................................. 42

6 Mechanical Specifications .............................................................................................................................. 43

7 Ordering Information ...................................................................................................................................... 44

8 Related Documents ........................................................................................................................................ 44

9 Glossary ......................................................................................................................................................... 44

10 Document Revision History ............................................................................................................................ 45

January 27, 2016

ZSPM1035A Datasheet

List of Figures

Figure 2.1

Figure 2.2

Figure 2.3

Figure 3.1

Figure 3.2

Figure 3.3

Figure 3.4

Figure 4.1

Figure 5.1

Figure 5.2

Figure 5.3

Figure 5.4

Figure 5.5

Figure 5.6

Figure 5.7

Figure 5.8

Figure 5.9

Figure 5.10

Figure 5.11

Figure 5.12

Figure 5.13

Figure 5.14

Figure 5.15

Figure 5.16

Figure 5.17

Figure 5.18

Figure 5.19

Figure 5.20

Figure 5.21

Figure 5.22

Figure 5.23

Figure 5.24

Figure 5.25

Figure 5.26

Figure 5.27

Figure 5.28

Figure 5.29

Typical Application Circuit with a 5V Supply Voltage ....................................................................... 11

Block Diagram................................................................................................................................... 12

Pin-Out QFN24 Package .................................................................................................................. 14

Simplified Block Diagram of the Digital Compensation .................................................................... 16

Power Sequencing ............................................................................................................................ 17

Power Sequencing with Non-zero Off Voltage ................................................................................. 17

Inductor Current Sensing Using the DCR Method............................................................................ 18

PMBus™ Timing Diagram ................................................................................................................ 21

Application Circuit with a 5V Supply Voltage .................................................................................... 32

VOUT Range #1 with Capacitor Range #1 – Load Step 5 to 15A, Min. Capacitance...................... 35

VOUT Range #1 with Capacitor Range #1 – Load Step 15 to 5A, Min. Capacitance...................... 35

VOUT Range #1 with Capacitor Range #1 – Load Step 5 to 15A, Max. Capacitance..................... 35

VOUT Range #1 with Capacitor Range #1 – Load Step 15 to 5A, Max. Capacitance..................... 35

Open Loop Bode Plots for VOUT Range #1 with Capacitor Range #1 ............................................ 35

VOUT Range #1 with Capacitor Range #2 – Load Step 5 to 15A, Min. Capacitance...................... 36

VOUT Range #1 with Capacitor Range #2 – Load Step 15 to 5A, Min. Capacitance...................... 36

VOUT Range #1 with Capacitor Range #2 – Load Step 5 to 15A, Max. Capacitance..................... 36

VOUT Range #1 with Capacitor Range #2 – Load Step 15 to 5A, Min. Capacitance...................... 36

Open Loop Bode Plots for VOUT Range #1 with Capacitor Range #2 ............................................ 36

VOUT Range #1 with Capacitor Range #3 – Load Step 5 to 15A, Min. Capacitance...................... 37

VOUT Range #1 with Capacitor Range #3 – Load Step 15 to 5A, Min. Capacitance...................... 37

VOUT Range #1 with Capacitor Range #3 – Load Step 5 to 15A, Max. Capacitance..................... 37

VOUT Range #1 with Capacitor Range #3 – Load Step 15 to 5A, Max. Capacitance..................... 37

Open Loop Bode Plots for VOUT Range #1 with Capacitor Range #3 ............................................ 37

VOUT Range #1 with Capacitor Range #4 – Load Step 5 to 15A, Min. Capacitance...................... 38

VOUT Range #1 with Capacitor Range #4 – Load Step 15 to 5A, Min. Capacitance...................... 38

VOUT Range #1 with Capacitor Range #4 – Load Step 5 to 15A, Max. Capacitance..................... 38

VOUT Range #1 with Capacitor Range #4 – Load Step 15 to 5A, Max. Capacitance..................... 38

Open Loop Bode Plots for VOUT Range #1 with Capacitor Range #4 ............................................ 38

VOUT Range #2 with Capacitor Range #1 – Load Step 5 to 15A, Min. Capacitance...................... 39

VOUT Range #2 with Capacitor Range #1 – Load Step 15 to 5A, Min. Capacitance...................... 39

VOUT Range #2 with Capacitor Range #1 – Load Step 5 to 15A, Max. Capacitance..................... 39

VOUT Range #2 with Capacitor Range #1 – Load Step 15 to 5A, Max. Capacitance..................... 39

Open Loop Bode Plots for VOUT Range #2 with Capacitor Range #1 ............................................ 39

VOUT Range #2 with Capacitor Range #2 – Load Step 5 to 15A, Min. Capacitance...................... 40

VOUT Range #2 with Capacitor Range #2 – Load Step 15 to 5A, Min. Capacitance...................... 40

VOUT Range #2 with Capacitor Range #2 – Load Step 5 to 15A, Max. Capacitance..................... 40

January 27, 2016

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