PinoutSpecificationsTemp Resolution9-bit/0.5degCRemote Diode Thermal Sensors4TruTherm(TM) Beta CompensationYesAnalog Inputs8 to 6, V+ADC Resolution8 bitsFan Speed Inputs4Fan Control Output(s)2 PWM, 22.5kHzFan Control MethodPI and Lookup TableVID Inputs7Dynamic VID VCCP Monitoring1Bidirectional PRO...
LM96194: PinoutSpecificationsTemp Resolution9-bit/0.5degCRemote Diode Thermal Sensors4TruTherm(TM) Beta CompensationYesAnalog Inputs8 to 6, V+ADC Resolution8 bitsFan Speed Inputs4Fan Control Output(s)2 PWM, ...
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Temp Resolution | 9-bit/0.5degC |
Remote Diode Thermal Sensors | 4 |
TruTherm(TM) Beta Compensation | Yes |
Analog Inputs | 8 to 6, V+ |
ADC Resolution | 8 bits |
Fan Speed Inputs | 4 |
Fan Control Output(s) | 2 PWM, 22.5kHz |
Fan Control Method | PI and Lookup Table |
VID Inputs | 7 |
Dynamic VID VCCP Monitoring | 1 |
Bidirectional PROCHOT Support | 1 |
GPIOs | 8 GPIO, 1 GPI, RESET |
Interrupt Outputs | 1 |
Reference Voltage | Undefined |
Temperature Accuracy (+/-) | 2.5 deg C |
Temperature Min | -40 deg C |
Temperature Max | 100 deg C |
Interface Type | SMBus |
Supply Min | 3 Volt |
Supply Max | 3.6 Volt |
Quiescent Current | 1.6 mA |
Resolution | 9 bits |
Temperature Accuracy (+/-) | 2.5 deg C |
Automotive Selection Guide | Yes |
PowerWise | Yes |
View Using Catalog |
The LM96194 hardware monitor has a two wire digital interface compatible with SMBus 2.0. Using a ADC, the LM96194 measures the temperature of four remote diode connected transistors as well as its own die and 9 power supply voltages. The LM96194 has new TruTherm technology that supports precision thermal diode measurements of processors on sub-micron processes.
To set fan speed, the LM96194 has two PWM outputs that are each controlled by up to six temperature zones. The fan-control algorithm can be based on a lookup table, PI (proportional/integral) control loop, or a combination of both. The LM96194 includes digital filters that can be invoked to smooth temperature readings for better control of fan speed such that acoustical noise is minimized. The LM96194 has four tachometer inputs to measure fan speed. Limit and status registers for all measured values are included.
The LM96194 includes most of the features of the LM94, dual CPU motherboard server management ASIC, such as measurement and control support for dynamic Vccp monitoring for VRD10/11 and ^PROCHOT but is targeted for single processor systems.
Reliability Metrics
Part Number | Process | EFR Reject | EFR Sample Size | PPM | LTA Rejects | LTA Device Hours | FITS | MTTF (Hours) |
LM96194CISQ | CMOS7 | 0 | 16561 | 0 | 0 | 954000 | 4 | 270700104 |