ADT7467ARQz-REEL ON Semiconductor

ADT7467 dbCOOL Remote Thermal Monitor and Fan Controller The ADT7467 dbCOOL controller is a thermal monitor and multiple PWM fan controller for noise-sensitive or power-sensitive applications requiring active system cooling. The ADT7467 can drive ADT7467 SCL SDA SMBALERT SERIAL BUS INTERFACE ADDRESS AUTOMATIC POINTER PWM1 FAN SPEED PWM REGISTERS ACOUSTIC REGISTER CONTROL AND ENHANCEMENT PWM2 CONTROLLERS CONTROL PWM3 HF & LF DYNAMIC PWM T CONFIGURATION MIN TACH1 CONTROL REGISTERS TACH2 FAN SPEED COUNTER TACH3 TACH4 INTERRUPT MASKING PERFORMANCE MONITORING THERMAL INTERRUPT THERM PROTECTION STATUS REGISTERS ADT7467 V TO ADT7467 CC V CC D1+ INPUT LIMIT D1 10-BIT SIGNAL COMPARATORS SRC D2+ ADC CONDITIONING D2 AND VALUE AND ANALOG V CCP LIMIT MULTIPLEXER BAND GAP REGISTERS BAND GAP REFERENCE TEMP. SENSOR GND Figure 1. Functional Block Diagram Table 1. ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit Positive Supply Voltage (V ) 5.5 V CC Voltage on Any Input or Output Pin 0.3 to +6.5 V Input Current at Any Pin 5 mA Package Input Current 20 mA Maximum Junction Temperature (T ) 150 C J MAX Storage Temperature Range 65 to +150 C Lead Temperature, Soldering C IR Reflow Peak Temperature 220 For Pb-Free Models 260 Lead Temperature (Soldering, 10 sec) 300 ESD Rating 1,000 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. WARNING: Electrostatic Sensitive Device Do not open packages or handle except at a static-free workstation.