SMM153_10 SUMMIT [Summit Microelectronics, Inc.], SMM153_10 Datasheet
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SMM153_10
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SMM153_10 Summary of contents
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Digital Differential Voltage and Current Monitor FEATURES & APPLICATIONS • 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 ...
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GENERAL DESCRIPTION The SMM153 is a highly accurate power supply voltage/current supervisor and monitor that allows real- time power measurement for power-critical designs. This advance functionality allows the development of “Green” systems and introduces higher levels of system reliability. The ...
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INTERNAL BLOCK DIAGRAM VDD VDD_CAP GND 50kΩ SCL Interface SDA WP GPIO0 Control GPIO1 GPIO2 GPIO3 Figure 2 – SMM153 Controller Internal Block Diagram. PACKAGE AND PIN CONFIGURATION 28-Pad 5x5 QFN Top View Summit Microelectronics, Inc VREF ...
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PIN DESCRIPTION Pin Pin Pin Name Number Type 28 I/O SDA 1 I SCL 22, 27 I/O GPIO0,1,2 10, 13 CAP CAPM VM+ ...
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ABSOLUTE MAXIMUM RATINGS Temperature Under Bias .................................-55°C to 125°C Storage Temperature QFN ..............................-65°C to 150°C Terminal Voltage with Respect to GND: VDD Supply Voltage .................................. -0.3V to 6.0V All Others ....................................... -0. 0.7V FAULT#…………………………….………. GND to ...
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DC OPERATING CHARACTERISTICS (CONTINUED 0°C to +70°C, VDD = 2.7V to 5.5V, VCS = 4.0V to 15V, unless otherwise noted. All voltages are relative to GND. A Note 6. Symbol Parameter V COMP1/2 DC Hysteresis HYST R Input ...
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I C 2-WIRE SERIAL INTERFACE AC OPERATING CHARACTERISTICS – 100kHz T = 0°C to +70°C, VDD = 2.7V to 5.5V unless otherwise noted. All voltages are relative to GND. See Figure 3 Timing A Diagram. Symbol Description f SCL ...
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APPLICATIONS INFORMATION DEVICE OPERATION POWER SUPPLY The SMM153 can be powered by a 2.7V to 5.5V input to the VDD pin (Figure 1). See Figure example. VOLTAGE REFERENCE The SMM153 uses an internal voltage reference, VREF of ...
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APPLICATIONS INFORMATION (CONTINUED) CS+, CS- Select a resistor value that will drop no more than 100mV (full scale) when full load is drawn by the converter or circuit being sensed by the resistor R (Figure 1). To obtain highest accuracy ...
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APPLICATIONS INFORMATION (CONTINUED) Figure 4 – Typical application schematic shows the SMM153 controlling a VIN=12V, VOUT=1.5V, DC/DC converter. This example, using the 1.25V VREF, also shows the COMP1/2 pins monitoring the DC/DC converter VOUT set 1.7V ...
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APPLICATIONS INFORMATION (CONTINUED) The end user can obtain the Summit SMX3202 programming system for device prototype development. The SMX3202 system consists of a programming TM Dongle, cable and Windows GUI software. It can be ordered on the website or from ...
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I C PROGRAMMING INFORMATION SERIAL INTERFACE Access to the configuration registers, general-purpose memory and command and status registers is carried out over an industry standard 2-wire serial interface 2 (I C). SDA is a bi-directional data line and SCL ...
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I C PROGRAMMING INFORMATION (CONTINUED) CONFIGURATION REGISTERS The majority of the configuration registers are grouped with the general-purpose memory. Writing and reading the configuration registers is shown in Figures 7, 8 and 9. Note: Configuration writes or reads of ...
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I C PROGRAMMING INFORMATION (CONTINUED Master Slave Master Slave Master ...
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I C PROGRAMMING INFORMATION (CONTINUED Master Slave Master Data ( Slave Master ...
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I C PROGRAMMING INFORMATION (CONTINUED Master Slave Master Data ( Slave Master T ...
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PACKAGE OUTLINES Summit Microelectronics, Inc 28-Pad QFN 2134 3.0 1/20/2010 17 SMM153 ...
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PART MARKING Subject to Change Pin 1 ORDERING INFORMATION Summit SMM153 N Part Number Package N=28-Pad QFN NOTE 1 - This is a final data sheet that describes a Summit product currently in production. SUMMIT Microelectronics, Inc. reserves the right ...