SMM766BF1079 - Brand New TE Connectivity / Alcoswitch IC Chips
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INTRODUCTION
The SMM151/152 are highly accurate power supply voltage/current supervisors and monitors with provisions for voltage margining of the monitored supply. The parts include an internal voltage reference to accurately monitor and margin the supply to within ±1%. The SMM151/152 have the capability to margin over a wide range from 0.3V to VDD using the internal reference and can read the differential voltage of the supply and voltage drop of the current sense resistor over the I2C bus using an on-chip 10-bit ADC. The margin levels are set using the I2C serial bus. The devices initiate margining via the I2C bus or by using the MUP or MDN inputs. Once the preprogrammed margin target voltage is reached, the SMM151/152 hold the converter at this voltage until receiving an I2C command or de-asserting the margin input pin. When the SMM151/152 are not margining, the TRIM output pin is held in a high impedance state allowing the converter to operate at its nominal set point.
**FEATURES & APPLICATIONS **
• Capable of margining supplies with trim inputs using either positive or negative trim pin control
• Wide Margin range of 0.3V to VDD with internal reference
• 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
• Margining Controlled Via:
◾ I2C Command
◾ Input Pins (MUP, MDN)
• 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 I/Os (SMM152)
• General Purpose 256-Byte EEPROM with Write Protect
• I2C 2-wire serial bus for programming configuration and monitoring status
• 28-lead 5x5 QFNApplications
• In-system test and control of Point-of-Load (POL)
• Power Supplies for Multi-voltage Processors, DSPs and ASICs
• Routers, Servers, Storage Area Networks -
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Datasheet
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Shopping guide
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- Datasheet: Download SMM766BF1079
- Chipdatas Part: CD86-SMM766BF1079
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- Last Updated: 2024/10/02 14:39 +0800
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