LM96194CISQ/NOPB National Semiconductor, LM96194CISQ/NOPB Datasheet - Page 34

• Manufacturer Part Number: LM96194CISQ/NOPB
• Description: IC TRUTHERM HDWR MONITOR 48-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®, TruTherm®r

Specifications of LM96194CISQ/NOPB

• Function: Fan Control, Temp Monitor
• Topology: ADC (Sigma Delta), Comparator, Fan Control, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 85°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM96194CISQTR

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Loc
k
PI LOOP AND FAN CONTROL SETUP REGISTERS
x
x
x
x
x
x
x
x
x
x
x
x
x
DEVICE IDENTIFICATION REGISTERS
Z2a_MSB
Z2b_LSB
Z2b_MSB
Z1a_F_LSB
Z1a_F_MSB
Z1b_F_LSB
Z1b_F_MSB
Z2a_F_LSB
Z2a_F_MSB
Z2b_F_LSB
Z2b_F_MSB
Z3_LSB
Z3_MSB
Z4_LSB
Z4_MSB
Reserved
Temperature Source Select
PWM Filter Settings
PWM1 Filter Shutoff Threshold
PWM2 Filter Shutoff Threshold
PI/LUT Fan Control Bindings
PI Controller Minimum PWM and
Hysteresis
Zone 1 Tcontrol
Zone 2 Tcontrol
Zone 1 Toff
Zone 2 Toff
P Coefficient
I Coefficient
PI Exponents
Manufacturer ID
Register Name
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
20h
21h
22h
23h
24h-30h N/D
31h
32h
33h
34h
35h
36h
37h
38h
39h
3Ah
3Bh
3Ch
3Dh
3Eh
Address Default
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
30h
00h
00h
00h
80h
80h
00h
00h
00h
01h
34
Zone 2a (MMBT3904) extended resolution unfiltered temperature
value register, most-significant byte
Zone 2b (MMBT3904) extended resolution unfiltered temperature
value register, least-significant-byte
Zone 2b (MMBT3904) extended resolution unfiltered temperature
value register, most-significant byte
Zone 1a (CPU) extended resolution filtered temperature value
register, least-significant byte
Zone 1a (CPU) extended resolution filtered temperature value
register, most-significant byte
Zone 1b (CPU) extended resolution filtered temperature value
register, least-significant-byte
Zone 1b (CPU) extended resolution filtered temperature value
register, most-significant byte
Zone 2a (MMBT3904) extended resolution filtered temperature
value register, least-significant-byte
Zone 2a (MMBT3904) extended resolution filtered temperature
value register, most-significant byte
Zone 2b (MMBT3904) extended resolution filtered temperature
value register, least-significant-byte
Zone 2b (MMBT3904) extended resolution filtered temperature
value register, most-significant byte
Zone 3 (Internal) extended resolution temperature value register,
least-significant byte
Zone 3 (Internal) extended resolution temperature value register,
least-significant byte
Zone 4 (External Digital) extended resolution temperature value
register, most-significant byte
Zone 4 (External Digital) extended resolution temperature value
register, least-significant byte
Selects the temperature source for some temperature zones.
Sets the IIR filter coefficients for the PWM outputs for low resolution
sources
PWM1 Filter Shutoff Threshold
PWM2 Filter Shutoff Threshold
PI/LUT fan control binding configuration
PI Controller Minimum PWM and Hysteresis settings
Zone 1 (CPU) PI Controller Target Temperature (Tcontrol)
Zone 2 (MMBT3904) PI Controller Target Temperature (Tcontrol)
Zone 1 (CPU) PI Controller Off Temperature (Toff)
Zone 2 (MMBT3904) PI Controller Off Temperature (Toff)
PI controller proportional coefficient
PI controller integral coefficient
PI controller coefficient exponents
Contains manufacturer ID code
Description