ZSPM1025AA1W1 datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > unclassified> ZSPM1025AA1W1

ZSPM1025AA1W1: DescriptionTrue Digital PWM Controller (Single-Phase, Single-Rail); Categoryunclassified; File Size2MB，46 Pages; ManufacturerETC2

Download Datasheet Compare View All

ZSPM1025AA1W1 Online Shopping

Suppliers	Part Number	Price	MOQ	In stock
	ZSPM1025AA1W1	-	-	View	Buy Now

ZSPM1025AA1W1 Overview

True Digital PWM Controller (Single-Phase, Single-Rail)

Preview

Download Datasheet

View All

Data Sheet

Rev.1.00/ October 2013

ZSPM1025A

True Digital PWM Controller (Single-Phase, Single-Rail)

Smart Power Management ICs

Power and Precision

ZSPM1025A

True Digital PWM Controller (Single-Phase, Single-Rail)

Contents

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

List of Tables ........................................................................................................................................................... 7

1 IC Characteristics ............................................................................................................................................. 8

1.1. Absolute Maximum Ratings ....................................................................................................................... 8

1.2. Recommended Operating Conditions ....................................................................................................... 9

1.3. Electrical Parameters ................................................................................................................................ 9

2 Product Summary........................................................................................................................................... 12

2.1. Overview .................................................................................................................................................. 12

2.2. Pin Description......................................................................................................................................... 14

2.3. Available Packages ................................................................................................................................. 15

3 Functional Description .................................................................................................................................... 16

3.1. Power Supply Circuitry, Reference Decoupling, and Grounding ............................................................ 16

3.2. Reset/Start-up Behavior .......................................................................................................................... 16

3.3. Digital Power Control ............................................................................................................................... 16

3.3.1. Overview ........................................................................................................................................... 16

3.3.2. Output Voltage Feedback ................................................................................................................. 16

3.3.3. Digital Compensator ......................................................................................................................... 17

3.3.4. Power Sequencing and the CONTROL Pin ...................................................................................... 17

3.3.5. Pre-biased Start-up and Soft Stop .................................................................................................... 18

3.3.6. Current Sensing ................................................................................................................................ 19

3.3.7. Temperature Measurement .............................................................................................................. 20

3.4. Fault Monitoring and Response Generation ............................................................................................ 20

3.4.1. Output Over/Under-Voltage .............................................................................................................. 21

3.4.2. Output Current Protection and Limiting ............................................................................................ 21

3.4.3. Over-Temperature Protection ........................................................................................................... 21

3.5. Configuration ........................................................................................................................................... 21

4 PMBus™ Functionality ................................................................................................................................... 22

4.1. Introduction .............................................................................................................................................. 22

4.2. Timing and Bus Specification .................................................................................................................. 22

4.3. Address Selection via External Resistors ................................................................................................ 23

4.4. Configuration Registers ........................................................................................................................... 24

4.5. Monitoring ................................................................................................................................................ 26

4.6. Additional Registers ................................................................................................................................. 26

4.7. Detailed Description of the Supported PMBus™ Commands ................................................................. 27

4.7.1. OPERATION ..................................................................................................................................... 27

4.7.2. ON_OFF_CONFIG............................................................................................................................ 27

4.7.3. CLEAR_FAULTS .............................................................................................................................. 27

4.7.4. VOUT_MODE ................................................................................................................................... 28

4.7.5. VOUT_COMMAND ........................................................................................................................... 28

4.7.6. STATUS_BYTE................................................................................................................................. 28

4.7.7. STATUS_WORD............................................................................................................................... 29

Data Sheet

October 24, 2013

prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

4 of 46

ZSPM1025A

True Digital PWM Controller (Single-Phase, Single-Rail)

4.7.8. STATUS_VOUT ................................................................................................................................ 29

4.7.9. STATUS_IOUT ................................................................................................................................. 30

4.7.10. STATUS_INPUT ............................................................................................................................... 30

4.7.11. STATUS_TEMPERATURE ............................................................................................................... 30

4.7.12. STATUS_CML .................................................................................................................................. 31

4.7.13. STATUS_MFR_SPECIFIC ............................................................................................................... 31

4.7.14. READ_VIN ........................................................................................................................................ 31

4.7.15. READ_VOUT .................................................................................................................................... 31

4.7.16. READ_IOUT ...................................................................................................................................... 32

4.7.17. READ_TEMPERATURE1 ................................................................................................................. 32

4.7.18. READ_TEMPERATURE2 ................................................................................................................. 32

5 Application Information ................................................................................................................................... 33

5.1. Typical Application Circuit ....................................................................................................................... 33

5.1.1. Output Voltage Selection .................................................................................................................. 35

5.1.2. Output Capacitor Selection ............................................................................................................... 35

5.2. Typical Performance Measurements for the ZSPM1025A ...................................................................... 35

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

5.2.2. Typical Load Transient Response – Capacitor Range #2 – VOUT Range #1 ................................. 37

5.2.3. Typical Load Transient Response – Capacitor Range #3 – VOUT Range #1 ................................. 38

5.2.4. Typical Load Transient Response – Capacitor Range #4 – VOUT Range #1 ................................. 39

5.2.5. Typical Load Transient Response – Capacitor Range #1 – VOUT Range #2 ................................. 40

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

5.2.7. Typical Load Transient Response – Capacitor Range #3 – VOUT Range #2 ................................. 42

5.2.8. Typical Load Transient Response – Capacitor Range #4 – VOUT Range #2 ................................. 43

6 Mechanical Specifications .............................................................................................................................. 44

7 Ordering Information ...................................................................................................................................... 45

8 Related Documents ........................................................................................................................................ 45

9 Glossary ......................................................................................................................................................... 45

10 Document Revision History ............................................................................................................................ 46

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

Data Sheet

October 24, 2013

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

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

Pin-out QFN24 Package ................................................................................................................... 15

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

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

Power Sequencing with Non-zero Off Voltage ................................................................................. 18

Inductor Current Sensing Using the DCR Method............................................................................ 19

PMBus™ Timing Diagram ................................................................................................................ 22

Application Circuit with a 5V Supply Voltage .................................................................................... 33

prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

5 of 46

ZSPM1025AA1W1 Related Products

	ZSPM1025AA1W1	ZSPM1025A	ZSPM8025-KIT
Description	True Digital PWM Controller (Single-Phase, Single-Rail)	True Digital PWM Controller (Single-Phase, Single-Rail)	True Digital PWM Controller (Single-Phase, Single-Rail)

Recommended Resources

Disconnected anti-theft alarm circuit diagram

TA7240AP power amplifier circuit diagram

Battery powered +12V fast memory programming power supply circuit diagram

555 long delay circuit (1)

Broadband square wave oscillator with 50% duty cycle

Rolling code coding radio transmitter circuit (HSC360/TDA5100)

Impact of spectrum availability on mobile TV solutions (reposted): As mobile operators seek to grow revenue from non-voice services, end-user demand for advanced multimedia applications and services is growing rapidly. Operators looking to grow revenue from other sou...; JasonYoo RF/Wirelessly

How to determine whether the SD card driver is installed?: If the SD card driver is compiled into the kernel, there may be a /dev/mmcblk0 file....; longcaojiao Embedded System

Some suggestions on emergency lighting design: Regarding the design of emergency lights, here are some reference suggestions for you:For LED emergency lights, several basic functions should be clarified before designing.1: According to the shell, ...; rockyltp DIY/Open Source Hardware

Today's live broadcast: Battery management chip solution design and precautions: Live Topic: Battery Management Chip Solution Design and PrecautionsLive Time: 10:00-11:30 this morningContent Introduction: This seminar will introduce you to the design of Datang NXP's battery manage...; EEWORLD社区 Power technology

TM6802 TM8712: TM6802 TM8712 talks about the principle of two timers...; rain MCU

MSP430 Learning Summary 3-MSP430 Basic Clock Module: [align=left][color=#000][font=宋体][size=12px]Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. [/size][/font][/color][/align][a...; qinkaiabc Microcontroller MCU

Shortcut: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

Popular Components