mic3003gfltr Micrel Semiconductor, mic3003gfltr Datasheet - Page 3

• Manufacturer Part Number: mic3003gfltr
• Description: Fom Management Ic With Internal Calibration
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
July 2010
Contents
General Description .......................................................................................................................................................... 1
Features ............................................................................................................................................................................. 1
Pin Configuration .............................................................................................................................................................. 8
Pin Configuration .............................................................................................................................................................. 8
Pin Description (MIC3003GFL only) ................................................................................................................................ 8
Absolute Maximum Ratings ........................................................................................................................................... 10
Operating Ratings ........................................................................................................................................................... 10
Electrical Characteristics ............................................................................................................................................... 10
Electrical Characteristics ............................................................................................................................................... 12
Electrical Characteristics ............................................................................................................................................... 13
Serial Interface Timing Diagram .................................................................................................................................... 14
Serial Interface Address Maps....................................................................................................................................... 15
Block Diagram ................................................................................................................................................................. 18
Analog-to-Digital Converter/Signal Monitoring............................................................................................................ 18
Calibration Modes ........................................................................................................................................................... 22
System Timing................................................................................................................................................................. 34
Detailed Register Descriptions ...................................................................................................................................... 40
Alarm Threshold Registers ............................................................................................................................................ 40
D[7] read/write ................................................................................................................................................................... 40
Alarms and Warnings Interrupt Source Masking .......................................................................................................... 19
Alarms and Warnings as TXFAULT Source ................................................................................................................. 21
Latching of Alarms and Warnings................................................................................................................................. 21
SMBus Multipart Support.............................................................................................................................................. 21
QGOP Pin Function ...................................................................................................................................................... 21
A/ External Calibration .................................................................................................................................................. 22
B/ Internal Calibration ................................................................................................................................................... 23
C/ Reading the ADC Result Registers.......................................................................................................................... 25
RXPOT.......................................................................................................................................................................... 25
Laser Diode Bias Control.............................................................................................................................................. 25
Laser Modulation Control.............................................................................................................................................. 26
Power On and Laser Start-Up ...................................................................................................................................... 27
Fault Comparators ........................................................................................................................................................ 28
SHDN and TXFIN ......................................................................................................................................................... 29
Temperature Measurement .......................................................................................................................................... 30
Diode Faults.................................................................................................................................................................. 30
Temperature Compensation ......................................................................................................................................... 30
Alarms and Warning Flags ........................................................................................................................................... 32
Control and Status I/O .................................................................................................................................................. 32
Warm Resets ................................................................................................................................................................ 36
Power-On Hour Meter................................................................................................................................................... 36
Test and Calibration Features ...................................................................................................................................... 37
Serial Port Operation .................................................................................................................................................... 38
Block Writes .................................................................................................................................................................. 38
Acknowledge Polling..................................................................................................................................................... 39
Write Protection and Data Security .............................................................................................................................. 39
Temperature High Alarm Threshold ............................................................................................................................. 40
Temperature Low Alarm Threshold .............................................................................................................................. 40
Voltage High Alarm Threshold...................................................................................................................................... 40
Voltage.................................................................................................................................................................... 22
Temperature ........................................................................................................................................................... 22
Bias Current............................................................................................................................................................ 22
TX Power ................................................................................................................................................................ 22
RX Power................................................................................................................................................................ 23
Computing Internal Calibration Results .................................................................................................................. 23
OEM Password....................................................................................................................................................... 39
OEM Mode and User Mode .................................................................................................................................... 39
3
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MIC3003GFL