All rights reserved. The material contained herein may not be reproduced, adapted, merged,
translated, stored, or used without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
ZSPM1035C / ZSPM1035D
True Digital PWM Controller (Single-Phase, Single-Rail)
ZSPM1025C/D Block Diagram
Current Sensing
ISNSP
ISNSN
Average Current
Sensing
Digital Control Loop
VFBP
VFBN
VFB
FLASH
ADC
Adaptive Digital
Controller
PWM
PWM
LSE
Typical Applications
Telecom Switches
Servers and Storage
Base Stations
Network Routers
Industrial Applications
FPGA Designs
Point-of-Load Power Solutions
Telecommunications
Single-Rail/Single-Phase
Supplies for Processors,
ASICs, DSPs, etc.
TEMP
CONFIG0
CONFIG1
VIN
DAC
Sequencer
OC Detection
OV Detection
DAC
OT Detection
Vin OV/UV
Detection
Vout UV Detection
VREF
1.8V Reg
Analog
HKADC
CPU Core
NVM
(OTP)
1.8V Reg
Digital
GPIO
VDD18
VREFP
Configurable
Error Handler
Bias
Current
Source
Int. Temp
Sense
AVDD18
Clock
Generation
3.3V
Reg
VDD33
ADCVREF
PGOOD
CONTROL
Ordering Information
Sales Code
Description
Package
7” Reel
7” Reel
Kit
Kit
ZSPM1035CA1W 0
ZSPM1035C Lead-free QFN24 — Temperature range: -40°C to +125°C
ZSPM1035DA1W 0
ZSPM1035D Lead-free QFN24 — Temperature range: -40°C to +125°C
ZSPM8735-KIT
ZSPM8835-KIT
Evaluation Kit for ZSPM1035C with PMBus™ Communication Interface *
Evaluation Kit for ZSPM1035D with PMBus™ Communication Interface *
* Pink Power Designer™ GUI can be downloaded from
http://www.zmdi.com/zspm1035c
and
http://www.zmdi.com/zspm1035d.
Sales and Further Information
Zentrum Mikroelektronik
Dresden AG
Global Headquarters
Grenzstrasse 28
01109 Dresden, Germany
Central Office:
Phone +49.351.8822.0
Fax
+49.351.8822.600
ZMD America, Inc.
1525 McCarthy Blvd., #212
Milpitas, CA 95035-7453
USA
USA Phone +855.275.9634
Phone +408.883.6310
Fax
+408.883.6358
www.zmdi.com
Zentrum Mikroelektronik
Dresden AG, Japan Office
2nd Floor, Shinbashi Tokyu Bldg.
4-21-3, Shinbashi, Minato-ku
Tokyo, 105-0004
Japan
Phone +81.3.6895.7410
Fax
+81.3.6895.7301
ZMD FAR EAST, Ltd.
3F, No. 51, Sec. 2,
Keelung Road
11052 Taipei
Taiwan
SPM@zmdi.com
Zentrum Mikroelektronik
Dresden AG, Korea Office
U-space 1 Building
11th Floor, Unit JA-1102
670 Sampyeong-dong
Bundang-gu, Seongnam-si
Gyeonggi-do, 463-400
Korea
Phone +82.31.950.7679
Fax
+82.504.841.3026
Phone +886.2.2377.8189
Fax
+886.2.2377.8199
European Technical Support
Phone +49.351.8822.7.772
Fax
+49.351.8822.87.772
European Sales
(Stuttgart)
Phone +49.711.674517.55
Fax
+49.711.674517.87955
DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Zentrum Mikroelektronik Dresden AG (ZMD AG) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. The
information furnished hereby is believed to be true and accurate. However, under no circumstances shall ZMD AG be liable to any customer,
licensee, or any other third party for any special, indirect, incidental, or consequential damages of any kind or nature whatsoever arising out of or in
any way related to the furnishing, performance, or use of this technical data. ZMD AG hereby expressly disclaims any liability of ZMD AG to any
customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for
any damages in connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty,
tort (including negligence), strict liability, or otherwise.
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.
VDD50
GPIO0
GPIO1
GPIO2
GPIO3
ZSPM1035C / ZSPM1035D
True Digital PWM Controller (Single-Phase, Single-Rail)
Contents
Features ................................................................................................................................................................... 2
List of Figures .......................................................................................................................................................... 5
List of Tables ........................................................................................................................................................... 6
1 IC Characteristics ............................................................................................................................................. 7
1.1. Absolute Maximum Ratings ....................................................................................................................... 7
2.3. Available Packages ................................................................................................................................. 14
3.3. Digital Power Control ............................................................................................................................... 15
3.3.2. Output Voltage Feedback ................................................................................................................. 15
3.3.3. Digital Compensator ......................................................................................................................... 15
3.3.4. Power Sequencing and the CONTROL Pin ...................................................................................... 16
3.3.5. Pre-biased Start-up and Soft-Off ...................................................................................................... 18
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 ................................................................................................................. 20
3.5. Monitoring and Debugging via I C™ ....................................................................................................... 20
4 Application Information ................................................................................................................................... 21
Ordering Information ...................................................................................................................................... 39
Related Documents ........................................................................................................................................ 40
Document Revision History ............................................................................................................................ 40
List of Figures
Figure 2.1
Figure 2.2
Figure 2.3
Figure 3.1
Figure 3.2
Figure 3.3
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
Figure 4.5
Figure 4.6
Figure 4.7
Figure 4.8
Figure 4.9
Figure 4.10
Figure 4.11
Figure 4.12
Figure 4.13
Figure 4.14
Figure 4.15
Figure 4.16
Figure 4.17
Figure 4.18
Figure 4.19
Figure 4.20
Figure 4.21
Figure 4.22
Figure 4.23
Figure 4.24
Figure 4.25
Figure 4.26
Data Sheet
Typical Application Circuit with a 5V Supply Voltage ....................................................................... 11