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ADT7462 Datasheet(PDF) 1 Page - ON Semiconductor |
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ADT7462 Datasheet(HTML) 1 Page - ON Semiconductor |
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1 / 82 page  © Semiconductor Components Industries, LLC, 2016 January, 2016 − Rev. 5 1 Publication Order Number: ADT7462/D ADT7462 Flexible Temperature, Voltage Monitor, and System Fan Controller The ADT7462 is a flexible systems monitor IC, suitable for use in a wide variety of applications. It can monitor temperature in up to three remote locations, as well as its ambient temperature. There are up to four PWM outputs. These can be used to control the speed of a cooling fan by varying the % duty cycle of the PWM drive signal applied to the fan. The ADT7462 supports high frequency PWM for 4-wire fans and low frequency PWM for 2-wire and 3-wire fans. Up to eight TACH inputs can be used to measure the speed of 3-wire and 4-wire fans. There are up to 13 voltage monitoring inputs, ranging from 12 V to 0.9 V. The ADT7462 is fully compatible with SMBus 1.1 and SMBus 1.0. The ADT7462 also includes a THERM I/O and a RESET I/O. The ADT7462 is available in a 32-lead LFCSP_VQ. Many of the pins are multi-functional. Five easy configuration options can be set up using the easy configuration register. Users choose the configuration closest to their requirements; individual pins can be reconfigured after the easy configuration option has been chosen. Features • One Local and Up to Three Remote Temperature Channels Series Resistance Cancellation On Remote Channels • Thermal Protection Using THERM Pins • Up to Four PWM Fan Drive Outputs Supports Both High and Low Frequency PWM Drives • Up to Eight TACH Inputs Measures the Speed of 3-wire and 4-wire Fans • Automatic Fan Speed Control Loop Includes Dynamic TMIN Control • Monitors Up to 13 V Inputs • Monitors Up to 7 VID Inputs; Includes On-The-Fly (OTF) VID Support • Bidirectional Reset • Chassis Intrusion Detect • SMBus 1.1 and SMBus 1.0 Compatible • 3.3 V and 5.0 V Operation • Extended Operating Range from −40°C to +125°C • Space-saving 32-lead Chip Scale Package • This is a Pb-Free Device* Applications • Servers and Personal Computers • Telecommunications Equipment • Test Equipment and Measurement Instruments *For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. www.onsemi.com See detailed ordering and shipping information in the package dimensions section on page 81 of this data sheet. ORDERING INFORMATION MARKING DIAGRAM PIN ASSIGNMENT ADT7462ACPZ = Specific Device Code # = Pb-Free Package YYWW = Date Code AL = Assembly Lot CC = Country Code ADT 7462ACPZ #YYWW AL CCCCC LFCSP−32 CASE 932 PIN 1 INDICATOR 1 VID0/GPIO1/TACH1 2 VID1/GPIO2/TACH2 3 VID2/GPIO3/TACH3 4 VID3/GPIO4/TACH4 5 V CC 6 GND 7 TACH5/+12V1 8 TACH6/+12V2 24 V CCP2/ 23 V CCP1/ 22 TACH8/+12V3 21 TACH7/+5V 20 D3–/SCSI_TERM2 19 D3+/+1.25V/+0.9V 18 D2– 17 D2+ ADT7462 +1.5V/+1.8V/+2.5V +1.5V/+1.8V/+2.5V |
Similar Part No. - ADT7462_16 |
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Similar Description - ADT7462_16 |
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