MAX6678AEP92+ Maxim Integrated Products, MAX6678AEP92+ Datasheet
MAX6678AEP92+
Specifications of MAX6678AEP92+
Related parts for MAX6678AEP92+
MAX6678AEP92+ Summary of contents
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... THIN QFN Pin Configurations continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ Two Thermal-Diode Inputs ♦ Local Temperature Sensor ♦ Five GPIO Input/Outputs ♦ ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC OT, SMBDATA, SMBCLK, PWMOUT_, GPIO_ to GND ......................................................-0.3V to +6V DXP_ to GND ..........................................-0. DXN ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs ELECTRICAL CHARACTERISTICS (continued +3.0V to +5.5V -40°C to +125°C, unless otherwise noted. Typical values are PARAMETER Clock Low Period Clock ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs (T = +25°C, unless otherwise noted.) A LOCAL TEMPERATURE ERROR vs. DIE TEMPERATURE 100 125 TEMPERATURE ( ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs PIN NAME THIN QFN QSOP 1 3 SMBDATA 2 4 SMBCLK 3, 12, 13, 5, 14, 15, GPIO0–GPIO4 14 11, ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs Write Byte Format S ADDRESS WR — 7 bits — Slave address: equiva- lent to chip-select line of a 3-wire interface Read Byte Format S ADDRESS WR ACK ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs HIGH LOW SMBCLK SMBDATA SU:STA HD:STA A = START CONDITION B = MSB OF ADDRESS CLOCKED INTO SLAVE C = LSB ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs 1) The PWMOUT_ signals are normally used in one of three ways to control the fan’s speed: PWMOUT_ dri- ves the gate of a MOSFET or the base ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs The duty cycle of the PWM can be controlled in two ways: 1) Manual PWM control by setting the duty cycle of the fan directly through the fan ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs Duty-Cycle Rate-of-Change Control To reduce the audibility of changes in fan speed, the rate of change of the duty cycle is limited by the values set in the ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs Table 2. Register Map REGISTER READ/ POR NO. FUNCTION WRITE STATE /ADDRESS Temperature R 00h 0000 0000 channel 1 Temperature R 01h 0000 0000 channel 2 Configuration R/W ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs Table 2. Register Map (continued) REGISTER READ/ POR NO. FUNCTION WRITE STATE /ADDRESS PWMOUT2 R 0Eh 0000 000x instantaneous duty cycle Temperature R/W 0Fh 0000 0000 channel 1 ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs Table 3. Configuration Byte Definition (02h) BIT NAME POR STATE 7 Reserved; set Reserved; set TIMEOUT 4 FAN1 PWM INVERT 3 FAN2 ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs Table 4. Setting the Time Between Duty- Cycle Increments TIME BETWEEN D7:D5, D4:D2 INCREMENTS (s) 000 0 001 0.0625 010 0.125 011 0.25 100 0.5 101 1 110 ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs GPIO Function Register (15h) The GPIO function register (15h) sets the GPIO_ states. Write a zero to set a GPIO as an output. Write a one to set ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs ADC Noise Filtering The integrating ADC has inherently good noise rejec- tion, especially of low-frequency signals such as 60Hz/120Hz power-supply hum. Micropower operation places constraints on high-frequency noise ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs CPU REMOTE 1 REMOTE 2 GPU 3.0V TO 5.5V 3.0V TO 5.5V Pin Configurations (continued) TOP VIEW PWMOUT2 1 PRESET3 2 SMBDATA 3 SMBCLK 4 MAX6678 GPIO4 5 ...
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Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 18 ______________________________________________________________________________________ Package Information PACKAGE ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © 2004 Maxim Integrated Products Package Information (continued) 0 ...