ADP1055 Ver la hoja de datos (PDF) - Analog Devices
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ADP1055 Datasheet PDF : 140 Pages
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Data Sheet
Black Box Readback....................................................................45
Black Box Power Sequencing.....................................................45
Power Supply Calibration and Trim .............................................46
Voltage Calibration and Trim....................................................46
CS1 Trim ......................................................................................46
VFF Calibration and Trim .........................................................46
PMBus Digital Communication....................................................47
Features ......................................................................................... 47
Overview ......................................................................................47
Transfer Protocol.........................................................................47
Data Transfer Commands..........................................................48
Group Command Protocol........................................................49
Clock Generation and Stretching..............................................49
Start and Stop Conditions..........................................................49
Repeated Start Condition...........................................................49
General Call Support ..................................................................49
Alert Response Address (ARA).................................................49
PMBus Address Selection ..........................................................50
Fast Mode .....................................................................................50
10-Bit Addressing........................................................................50
Packet Error Checking................................................................50
Electrical Specifications..............................................................50
Fault Conditions..........................................................................50
Timeout Conditions ...................................................................51
Data Transmission Faults...........................................................51
Data Content Faults ....................................................................52
Layout Guidelines............................................................................53
CS2+ and CS2− Pins...................................................................53
VS+ and VS− Pins .......................................................................53
REVISION HISTORY
3/15—Rev. 0 to Rev. A
Changes to Table 1 ............................................................................7
Changes to Snubber Configuration Section ................................31
Change to Debounce Bit, Table 159..............................................93
Changes to Supported Switching Frequencies Section ............126
3/14—Revision 0: Initial Version
ADP1055
VDD Pin.......................................................................................53
SDA and SCL Pins ......................................................................53
CS1 Pin .........................................................................................53
Exposed Pad.................................................................................53
VCORE Pin..................................................................................53
RES Pin.........................................................................................53
JTD and JRTN Pins.....................................................................53
OVP Pin .......................................................................................53
SYNC Pin .....................................................................................53
AGND and DGND .....................................................................53
EEPROM ..........................................................................................54
Overview ......................................................................................54
Page Erase Operation .................................................................54
Read Operation (Byte Read and Block Read) .........................54
Write Operation (Byte Write and Block Write) ......................55
EEPROM Password ....................................................................55
Downloading EEPROM Settings to Internal Registers .........56
Saving Register Settings to the EEPROM ................................56
EEPROM CRC Checksum.........................................................56
Software GUI ...................................................................................57
Standard PMBus Commands Supported by the ADP1055.......58
Manufacturer Specific Commands...............................................60
Standard PMBus Command Descriptions ..................................62
Standard PMBus Commands ....................................................62
Manufacturer Specific PMBus Command Descriptions ...........86
Supported Switching Frequencies...............................................126
Outline Dimensions......................................................................140
Ordering Guide .........................................................................140
Rev. A | Page 3 of 140
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