ispPAC-POWR6AT6
●Description:
■Lattice’s Power Manager II ispPAC-POWR6AT6 is a general-purpose power-supply monitoring and margining controller, incorporating in-system programmable analog functions implemented in non-volatile E²CMOS® technology. The ispPAC-POWR6AT6 device provides six independent analog input channels to monitor up to six power supply test points. Each of these input channels offers a differential input to support remote ground sensing.
■The ispPAC-POWR6AT6 incorporates six DACs for generating a trimming voltage to control the output voltage of a power supply. The trimming voltage can be set to four hardware selectable preset values (voltage profiles) or can be dynamically loaded in to the DAC through the I²C bus. Additionally, each power supply output voltage can be maintained within 1% tolerance across various load conditions using the Digital Closed Loop Control mode. The operating voltage profile can be selected using external hardware pins.
■The on-chip 10-bit A/D converter can both be used to monitor the V-MON voltage through the I²C bus as well as for implementing digital closed loop mode for maintaining the output voltage of all power supplies controlled by the monitoring and trimming section of the ispPACPOWR6AT6 device.
■The I²C bus/SMBus interface allows an external microcontroller to measure the voltages connected to the V-MON analog monitor inputs and load the DACs for the generation of the trimming voltages of the external DC-DC converters.
●Features:
■Power Supply Margin and Trim Functions
▲Trim and margin up to six power supplies
▲ Dynamic voltage control through I²C
▲Four hardware selectable voltage profiles
▲ Independent Digital Closed-Loop Trim function for each output
■Analog Input Monitoring
▲Six analog monitor inputs
▲ Differential input architecture for accurate remote ground sensing
▲ 10-bit ADC for direct voltage measurements
■2-Wire (I²C/SMBus™ Compatible) Interface
▲Readout of the ADC
▲ Dynamic trimming/margining control
■Other Features
▲Programmable analog circuitry
▲ Wide supply range, 2.8V to 3.96V
▲ In-system programmable through JTAG
▲ Industrial temperature range: -40°C to +85°C
▲ 32-pin QFNS (Quad Flat-pack, No lead, Saw-singulated) package, only 5mm x 5mm, lead-free option
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ispPAC-POWR6AT6 、 ispPAC-POWR6AT6-01S32I 、 ispPAC-POWR6AT6-01N32I 、 ispPAC-POWR6AT6-01SN32I 、 ispPAC-POWR6AT6-01NN32I1 |
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general-purpose power-supply monitoring 、 margining controller |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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December 2008 |
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Version 01.3 |
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DS1016_01.3 |
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1.4 MB |
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