MAX6664AEE+ Maxim Integrated Products, MAX6664AEE+ Datasheet
MAX6664AEE+
Specifications of MAX6664AEE+
Related parts for MAX6664AEE+
MAX6664AEE+ Summary of contents
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... Test Equipment Industrial Controls Typical Operating Circuits appear at end of data sheet. Functional Diagram appears 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. Temperature Monitors and PWM Fan Controllers o Remote-Junction Temperature Sensor Within ± ...
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Temperature Monitors and PWM Fan Controllers ABSOLUTE MAXIMUM RATINGS All Voltages Are Referenced to GND TACH/AIN ..............................................................-0.3V to +5.5V V ...........................................................................-0.3V to +6V CC DXP, ADD, CRIT0, CRIT1........................-0. DXN .......................................................................-0.3V to +0.8V SMBDATA, SMBCLK, INT, THERM, FAN_FAULT, ...
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ELECTRICAL CHARACTERISTICS (continued +3.0V to +5.5V 0°C to +125°C, unless otherwise noted. Typical values are PARAMETER SYMBOL Temperature Conversion Time Conversion Rate Timing Error Remote-Diode Sourcing Current DXN Source Voltage TACHOMETER Input ...
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Temperature Monitors and PWM Fan Controllers (T = +25°C, unless otherwise noted.) A STANDBY SUPPLY CURRENT vs. SUPPLY VOLTAGE 5.0 4.5 4.0 3.5 3.0 2.5 2.0 3.0 3.5 4.0 4.5 5.0 5.5 SUPPLY VOLTAGE (V) LOCAL TEMPERATURE ERROR vs. DIE ...
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PIN MAX6663/ NAME MAX6653 MAX6664 QSOP QSOP 1 1 PWM_OUT 2 2 TACH/AIN 3 — CRIT0 4 — CRIT1 — N. GND THERM 7 7 FAN_FAULT DXN 10 ...
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Temperature Monitors and PWM Fan Controllers Table 1. MAX6653 Power-Up Set-Point Decoding CRIT1 CRIT0 GND Open GND GND GND V CC Open Open Open GND Open Open CC V GND Detailed Description ...
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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 7 bits Slave Address: equiva- lent to chip-select line Send Byte Format S ADDRESS ...
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Temperature Monitors and PWM Fan Controllers LOW HIGH SMBCLK SMBDATA t t SU:STA HD:STA A = START CONDITION B = MSB OF ADDRESS CLOCKED INTO SLAVE C = LSB OF ADDRESS CLOCKED INTO SLAVE D = ...
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Table 4. Temperature Data Low Byte Format Structure: LLLXXRRR* FRACTIONAL TEMPERATURE (°C) 0.000 0.125 0.25 0.375 0.5 0.625 0.75 0.875 *Where: LLL = local fractional temperature bits don’t care, RRR = remote fractional temperature bits. Table 5. Temperature ...
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Temperature Monitors and PWM Fan Controllers INT is an open-drain digital output that reports the sta- tus of temperature interrupt limits and fan out-of-limit conditions. Set bit 1 of configuration register 1 (00h enable INT output or ...
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Table 9. Setting PWM Duty Cycle BITS [3:0] OF FAN-SPEED CONFIGURATION REGISTER (22h) BIT 3 BIT 2 BIT 1 BIT ...
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Temperature Monitors and PWM Fan Controllers Table 12. Spin-Up Time; Bits [2:0] Fan Characteristics Register (20h)—POR = 101 BIT 2 BIT 1 BIT ...
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Figure 5 shows a schematic using a current-sensing resistor and a coupling capacitor to derive the tachometer information from the power-supply current of a 2-wire fan. This circuit allows the speed of a 2-wire fan to be measured even though ...
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Temperature Monitors and PWM Fan Controllers For the MAX6663, the alarm speed bit, bit 0 of status register 1 (02h), indicates that the PWM duty cycle is 100%, excluding the case of fan spin-up. For the MAX6653/MAX6664, this bit indicates ...
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Addr(H) READ/WRITE POR STATE MAX6653 0000 1001 MAX6663 00 R/W 00000001 MAX6664 10010001 01 R/W 0111 1111 ______________________________________________________________________________________ Temperature Monitors and PWM Fan Controllers DESCRIPTION Configuration register 1: Bits [7:5]: Setting the fan-speed control mode: Bit Enables ...
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Temperature Monitors and PWM Fan Controllers Addr(H) READ/WRITE POR STATE 02 R 0000 0000 03 R 0000 0000 06 R 0000 0000 08 R 1111 1111 16 ______________________________________________________________________________________ Register Summary (continued) DESCRIPTION Status register 1: Bit 7: Local temp low: ...
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Addr(H) READ/WRITE POR STATE 0001 1110 0A R (30°C) 0001 1110 0B R (30°C) 0D R/W 0000 0000 0E R/W 0000 0000 10 R/W 1111 1111 0011 1100 14 R/W (60°C) 0000 0000 15 R/W (0°C) 0100 0110 16 R/W ...
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Temperature Monitors and PWM Fan Controllers Addr(H) READ/WRITE POR STATE 20 R/W 0101 1101 MAX6653/ MAX6664 01010101 22 R/W MAX6663 01011111 18 ______________________________________________________________________________________ Register Summary (continued) DESCRIPTION Fan characteristics register: Bits [7:6]: N factor: These bits contain the N factor ...
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READ/WRITE POR STATE Addr(H) 23 R/W 0101 1101 24 R/W 0100 0001 25 R/W 0110 0001 ______________________________________________________________________________________ Temperature Monitors and PWM Fan Controllers Register Summary (continued) DESCRIPTION Fan filter register: Bit 7: Fan spin-up disable: 0: Spin-up enabled; 1: spin-up ...
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Temperature Monitors and PWM Fan Controllers READ/WRITE POR STATE Addr( 0011 1000 3E R 0100 1101 3F R/W 1000 0000 Twisted-Pair and Shielded Cables Use a twisted-pair cable to connect the remote sensor for remote-sensor distances longer than ...
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Large power transistors must not be used. Also, ensure that the base ...
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Temperature Monitors and PWM Fan Controllers +3.3V +5V 3-WIRE 10kΩ FAN NDT3055L +3.3V 10kΩ THERM SIGNAL TO THROTTLE +3.3V CPU CLOCK 10kΩ FAN _FAULT TO SIGNAL FAN-FAILURE CONDITION 22 ______________________________________________________________________________________ Typical Operating Circuits (continued) +3.3V 10kΩ 1 PWM_OUT SMBCLK 2 ...
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ADD TACH SIGNAL TACH/AIN CONDITIONING DXP ANALOG ADC MUX DXN INTERNAL BANDGAP TEMPERATURE REFRENCE SENSOR PWM_OUT PWM OUTPUT CONTROLLER ( ) ARE FOR MAX6653 ONLY Pin Configurations (continued) TOP VIEW PWM_OUT 1 16 SMBCLK TACH/AIN 2 15 SMBDATA N.C. 3 ...
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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. 24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...