SUMMIT Microelectronics: Product Summary: SMM153: Single-channel Voltage and Current Monitor

SUMMIT Microelectronics: Product Summary: SMM153

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Download/view the entire SMM153 data sheet

Download/view the SMM151/152/153 Fact Sheet

GUI Programming Software 153Setup.zip

Download/view the SMM151-3 Eval Kit User Guide

Application Note 68: Single-channel Current/Voltage Monitors and Voltage Marginers Design Guide and Component Selection

Application Note 69: SMM151/2/3 Single-Channel Supply Voltage Marginers, Voltage/Current Monitors and DC Output Controllers Windows GUI User’s Guide and Configuration Register Descriptions

Read our press release regarding this product.

September 3, 2008:
DEV-monkey: Use Summit’s Eval Kit to Configure Real-Time Power Monitoring Solution, by DEV-monkey Contributing Writer

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SMM153 Simplified APPLICATION DRAWING: Summit Microelectronics, Inc.

SMM153 SIMPLIFIED APPLICATIONS DRAWING

SMM153 PIN CONFIGURATION: Summit Microelectronics, Inc.

SMM153 PACKAGE AND PIN CONFIGURATION

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SMM153 : Single-channel Voltage and Current Monitor

SMM151/152 Single-channel Voltage/Current Monitors and Voltage Marginers

FEATURES
	Real-time power monitoring for “Green” systems
	Differential Voltage Sensing of the DC-DC converter output voltage
	Supply-side current monitoring (10-bit ADC)
	10-bit ADC readout of supply voltage over I2C bus
	Two programmable general purpose sensor inputs (COMP1/2) – UV/OV with FAULT Output
	Programmable glitch filters (COMP1/2)
	Programmable internal COMP1/2 VREF: 0.5V or 1.25V
	Operates from 2.7V to 5.5V supply
	Current sensing from 4.0V to 15V supply
	Programmable general-purpose inputs/outputs
	General-purpose 256-Byte EEPROM with Write Protect
	I2C 2-wire serial bus for programming configuration and monitoring status
	28-lead 5x5 QFN

APPLICATIONS
	In-system test and control of Point-of-Load (POL)
	Power Supplies for Multi-voltage Processors, DSPs and ASICs
	Routers, Servers, Storage Area Networks

INTRODUCTION

The SMM153 is a highly accurate power supply voltage/current supervisor and monitor that allows realtime power measurement for power-critical designs. The part includes an internal voltage reference to accurately monitor the supply to within ±1%. The SMM153 can read the differential voltage of the supply and voltage drop of the current sense resistor over the I2C bus using an onchip 10-bit ADC.

Two general purpose analog input pins are provided for sensing under- or over-voltage conditions. A programmable glitch filter associated with these inputs allows the user to ignore spurious noise signals. A FAULT# pin is asserted once either input set point is exceeded. The SMM153 also provides four programmable general-purpose inputs/outputs.

Using the I2C interface, a host system can communicate with the SMM153 status register and utilize 256-bytes of nonvolatile memory. The SMM153 operates from +2.7Vto +5.5V, however it can sense input current from an input supply of +4.0V to +15V. The device is offered in both commercial and industrial temperature ranges and the package is a space-saving 5x5 QFN-32 one.

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ORDERING INFORMATION

NOTE 1 - This is a final data sheet that describes a Summit product currently in production.

SUMMIT Microelectronics, Inc. reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. SUMMIT Microelectronics, Inc. assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement. Charts and schedules contained herein reflect representative operating parameters, and may vary depending upon a user’s specific application. While the information in this publication has been carefully checked, SUMMIT Microelectronics, Inc. shall not be liable for any damages arising as a result of any error or omission.

SUMMIT Microelectronics, Inc. does not recommend the use of any of its products in life support or aviation applications where the failure or malfunction of the product can reasonably be expected to cause any failure of either system or to significantly affect their safety or effectiveness. Products are not authorized for use in such applications unless SUMMIT Microelectronics, Inc. receives written assurances, to its satisfaction, that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; and (c) potential liability of SUMMIT Microelectronics, Inc. is adequately protected under the circumstances.

Revision 3.0 - This document supersedes all previous versions.

I2C is a trademark of Philips Corporation.