LM96163CISD/NOPB National Semiconductor, LM96163CISD/NOPB Datasheet
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LM96163CISD/NOPB
Specifications of LM96163CISD/NOPB
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LM96163CISD/NOPB Summary of contents
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... Acoustic fan noise reduction with user-programmable 12- step Lookup Table ■ LUT transition fine resolution smoothing function Connection Diagrams TruTherm® registered trademark of National Semiconductor Corporation. Intel® registered trademark of Intel Corporation. © 2010 National Semiconductor Corporation LM96163 ® BJT Transistor Beta ■ ...
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Ordering Information Power-On Defaults Part Description HIGH Threshold LM96163C 85°C 10-pin LLP (QFN) LM96163C 85°C 10-pin LLP (QFN) Pin Descriptions Pin Name Input/Output Open-Drain 1 TCRIT Digital Output V 2 Power Supply Input Analog Input 4 D− ...
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Simplified Block Diagram Typical Application 3 30041082 30041083 www.national.com ...
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Absolute Maximum Ratings 2) Supply Voltage Voltage on SMBDAT, SMBCLK, ALERT, TCRIT, TACH PWM Pins Voltage on Other Pins Input Current, D− Pin (Note 3) Input Current at All Other Pins (Note 3) Package Input Current (Note 3) ...
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AC Electrical Characteristics The following specifications apply for V specified in the conditions. Boldface limits apply for T Symbol Parameter TACHOMETER ACCURACY Fan Count Accuracy Fan Full-Scale Count Fan Counter Clock Frequency Fan Count Update Frequency FAN PWM OUTPUT Frequency ...
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SMBus Digital Switching Characteristics Unless otherwise noted, these specifications apply for V pF. Boldface limits apply for characteristics of the LM96163 fully meet or exceed the published specifications of the SMBus version 2.0. The following param- ...
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Pin # Label 1 TCRIT PWM 6 GND 7 ALERT 8 TACH 9 SMBDAT 10 SMBCLK Note 4: Human body model, 100 pF discharged through a 1.5 kΩ resistor. Machine model, 200 ...
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Typical Performance Characteristics Intel Processor on 45nm, 65nm Process Thermal Diode Performance Comparison Remote Temperature Reading Sensitivity to Thermal Diode Filter Capacitance, TruTherm Disabled Conversion Rate Effect on Average Power Supply Current www.national.com Remote Temperature Reading Sensitivity ...
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Functional Description The LM96163 Remote Diode Temperature Sensor with Inte- grated Fan Control incorporates a ΔV BE sensor utilizing a Local or Remote diode and a 10-bit plus sign ΔΣ ADC (Delta-Sigma Analog-to-Digital Converter). The LM96163 includes TruTherm BJT ...
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FIGURE 1. ALERT Output as Temperature Comparator Response Diagram 1.2.2 ALERT Output as an Interrupt The LM96163's ALERT output can be implemented as a sim- ple interrupt signal when it is used to trigger an interrupt service routine. In such ...
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Alerting Device(s) send their address. While transmitting their address, alerting devices sense whether their address has been transmitted correctly. (The LM96163 will reset its ALERT output and set the ALERT Mask bit once its complete address has been transmitted ...
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Digital Data Temperature Binary +125°C 0111 1101 0000 0000 +25°C 0001 1001 0000 0000 +1°C 0000 0001 0000 0000 +0.03125°C 0000 0000 0000 1000 0°C 0000 0000 0000 0000 −0.03125°C 1111 1111 1111 1000 ...
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DIGITAL FILTER In order to suppress erroneous remote temperature readings due to noise as well as increase the resolution of the temperature, the LM96163 incorporates a digital filter for remote temperature readings. The filter is accessed in the Remote ...
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FIGURE 5. Digital Filter Response in a typical Intel processor process. The filter curves were purposely Figure 5 shows the filter in use in a typical Intel processor on a 65/90 nm process ...
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LM96163 Registers The following pages include: Section 2.1, a Register Map in Hexadecimal Order, which shows a summary of all registers and their bit assignments, Section 2.2, a Register Map in Functional Order, and Section 2.3, a detailed explanation ...
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Register R/ POR Register Name 0x[HEX] W Val Rmt Low Setpoint W LSB [Reserved ALERT Mask W 17- [Reserved Rmt T_CRIT W Setpoint 1A– ...
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LM96163 REGISTER MAP IN FUNCTIONAL ORDER The following is a Register Map grouped in Functional Order. Some address locations have been left blank to maintain compatibility with LM86. Addresses in parenthesis are mirrors of named address. Reading or writing ...
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Register [HEX] FF Stepping/Die Rev. ID [RESERVED] REGISTERS—NOT USED 06 Not Used 0C Not Used 15 Not Used 17-18 Not Used 1A–20 Not Used 22–29 Not Used 34–44 Not Used 68–BE Not Used C0–FD Not Used 2.3 LM96163 REQUIRED INITIAL ...
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LM96163 DETAILED REGISTER DESCRIPTIONS IN FUNCTIONAL ORDER The following is a Register Map grouped in functional and sequence order. New register addresses have been added to maintain compatibility with the LM63 and LM64 register sets. Addresses in parenthesis are ...
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Address Read/ POR Bits Hex Write Value 4A FAN PWM AND TACHOMETER CONFIGURATION REGISTER HEX R 7:6 00 [Reserved [Reserved] 4A R/W 1:0 00 TACH1:TACH0 www.national.com Name These bits are unused and ...
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Address Read/ POR Bits Hex Write Value 4B FAN SPIN-UP CONFIGURATION REGISTER HEX R 7:6 0 [Reserved SPINUP 4B SPNDTY1:SPNDT R/W 4:3 11 SPNTIM2:SPNTIM 2:0 111 4C PWM VALUE REGISTER HEX HPWVAL7:HPWV 7:6 00 Read (Write only if ...
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Address Read/ POR Bits Hex Write Value LOOKUP TABLE (7/8 Bits for Temperature and 6/8 Bits for PWM for each Temperature/PWM Pair) HEX HEX 6:0 0x7F E1T6:E1T0 Read. (Write only if reg 4A bit ...
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Address Read/ POR Bits Hex Write Value 6:0 0x7F E3T6:E3T0 Read. (Write only if reg 4A bit 7:6 00 E3D7:E3D6 55 5:0 0x3F E3D5:E3D0 6:0 0x7F E4T6:E4T0 Read. (Write only if ...
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Address Read/ POR Bits Hex Write Value 6:0 0x7F E5T6:E5T0 Read. (Write only if reg 4A bit 7:6 00 E5D7:E5D6 59 5:0 0x3F E5D5:E5D0 6:0 0x7F E6T6:E6T0 Read. (Write only if ...
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Address Read/ POR Bits Hex Write Value 6:0 0x7F E7T6:E7T0 Read. (Write only if reg 4A bit 7:6 00 E7D7:E7D6 5D 5:0 0x3F E7D5:E7D0 6:0 0x7F E8T6:E8T0 Read. (Write only if ...
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Address Read/ POR Bits Hex Write Value 6:0 0x7F E9T6:E9T0 Read. (Write only if reg 4A bit 7:6 00 E9D7:E9D6 61 5:0 0x3F E9D5:E9D0 6:0 0x7F E10T6:E10T0 Read. (Write only if ...
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Address Read/ POR Bits Hex Write Value 6:0 0x7F E11T6:E11T0 Read. (Write only if reg 4A bit 7:6 00 E11D7:E11D6 65 5:0 0x3F E11D5:E11D0 6:0 0x7F E12T6:E12T0 Read. (Write only if ...
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Configuration Register Address Read/ POR Bits Hex Write Value 03 (09) CONFIGURATION REGISTER HEX R (09) R 4:3 00 [Reserved R Tachometer Count and Limit Registers Address ...
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Address Read/ POR Bits Hex Write Value 49 TACHOMETER LIMIT (MSB) and 48 HEX 49 R/W 7:0 0xFF TACL13:TACL6 R/W 7:2 TACHL5:TACL0 48 0xFF R/W 1:0 [Reserved] Local Temperature and Local High Setpoint Registers Address Read/ POR Bits Hex Write ...
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Address Read/ POR Bits Hex Write Value 7 AND 32 UNSIGNED REMOTE DIODE TEMPERATURE REGISTERS HEX HEX 31 R 7:0 N/A RTU12:RTU5 7 AND 12 REMOTE TEMPERATURE OFFSET ...
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Address Read/ POR Bits Hex Write Value 19 REMOTE DIODE T_CRIT SETPOINT REGISTER HEX 0x6E 19 R/W 7:0 (110° RCS7:RCS0 C) 21 T_CRIT HYSTERESIS REGISTER HEX 7 0x0A 21 R/W (10°C) 6:0 RTH6:RTH0 30 REMOTE DIODE TruTherm ENABLE REGISTER HEX ...
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ALERT Status and Mask Registers Address Read/ POR Bits Hex Write Value 02 ALERT STATUS REGISTER (8-bits) (All Alarms are latched until read, then cleared if alarm condition was removed at HEX the time of the read ...
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Address Read/ POR Bits Hex Write Value 16 ALERT MASK REGISTER (8-bits) HEX [Reserved] R [Reserved R [Reserved R ...
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... Hex Write Value FE MANUFACTURER’S ID REGISTER (8-bits) HEX FE R 7:0 0x01 Manufacturer’s ID 0x01 = National Semiconductor FF STEPPING / DIE REVISION ID REGISTER (8-bits) HEX FF R 7:0 0x49 3.0 Application Notes 3.1 FAN CONTROL DUTY CYCLE VS. REGISTER SETTINGS AND FREQUENCY The following table is true only when the 22.5 kHz PWM frequency high resolution duty cycle is not selected. ...
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The following table is true only when the 22.5 kHz PWM frequency with high resolution duty cycle is selected by setting bit 4 (PHR) of the Enhanced Configuration register (0x45), clearing bit 3 (PWCKSL) of the PWM and RPM Configuration ...
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Also included is programmable hysteresis that is not de- scribed by the curves of Figure 7. The hysteresis takes effect as temperature is decreasing and moves all the temperature set-points down by the programmed amount. For the example shown here ...
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Diode Non-Ideality Factor Effect on Accuracy When a transistor is connected as a diode, the following re- lationship holds for variables and I BE where: • 1.6×10 −19 Coulombs (the electron charge), • T ...
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Calculating Total System Accuracy The voltage seen by the LM96163 also includes the I age drop of the series resistance. The non-ideality factor, η, is the only other parameter not accounted for and depends on the diode that is ...
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Avoid routing diode traces in close proximity to power supply switching or filtering inductors. 6. Avoid running diode traces close to or parallel to high speed digital and bus lines. Diode traces should be kept at least 2 cm ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 10-Lead Lead Less Package (LLP or QFN) JEDEC Registration Number MO-229-WEED-5 Order Number LM96163CISD or LM96163CISDX NS Package Number SDA10A 40 ...
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Notes 41 www.national.com ...
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