mic3002 Micrel Semiconductor, mic3002 Datasheet - Page 3

• Manufacturer Part Number: mic3002
• Description: Mic3002 Fom Management Ic With Internal Calibration
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
July 2007
Contents
Pin Configuration............................................................................................................................................................. 7
Pin Description ................................................................................................................................................................ 7
Absolute Maximum Ratings ............................................................................................................................................ 9
Operating Ratings ........................................................................................................................................................... 9
Electrical Characteristics................................................................................................................................................. 9
Timing Diagram ............................................................................................................................................................. 14
Address Map ................................................................................................................................................................. 15
Block Diagram ............................................................................................................................................................... 18
Analog-to-Digital Converter/Signal Monitoring.............................................................................................................. 18
Temperature Reading Compensation........................................................................................................................... 19
Alarms and Warnings Interrupt Source Masking .......................................................................................................... 20
Alarms and Warnings as TXFAULT Source ................................................................................................................. 21
Alarms and Warnings Latch .......................................................................................................................................... 21
SMBus Multipart Support .............................................................................................................................................. 21
Calibration Modes ......................................................................................................................................................... 22
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........................................................................................................................................... 29
Diode Faults .................................................................................................................................................................. 29
Temperature Compensation ......................................................................................................................................... 29
Alarms and Warning Flags............................................................................................................................................ 32
Control and Status I/O................................................................................................................................................... 32
System Timing............................................................................................................................................................... 34
Warm Resets................................................................................................................................................................. 36
Power-On Hour Meter ................................................................................................................................................... 36
Test and Calibration Features....................................................................................................................................... 37
Serial Port Operation..................................................................................................................................................... 38
Page Writes................................................................................................................................................................... 38
Acknowledge Polling....................................................................................................................................................... 39
Write Protection and Data Security.................................................................................................................................. 39
A/ External Calibration ............................................................................................................................................ 22
Voltage.................................................................................................................................................................... 22
Temperature ........................................................................................................................................................... 22
Bias Current............................................................................................................................................................ 22
TX Power ................................................................................................................................................................ 22
RX Power................................................................................................................................................................ 23
B/ Internal Calibration ............................................................................................................................................. 23
Temperature Offset................................................................................................................................................. 25
C/ ADC Result Registers Reading.......................................................................................................................... 25
OEM Password........................................................................................................................................................ 39
User Password......................................................................................................................................................... 39
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