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NCV7001 Quad Variable Reluctance Sensor Interface IC
The NCV7001 is a four-channel variable reluctance sensor interface IC. Microprocessor control functions include two polarity 5.0 V programmable resets, two programmable watchdog inputs, and an enable function (OLE). Two watchdog inputs allow control from two independent microprocessors. Open sensor detection capability is provided. During test mode (NTEST = Low), a high on the OLE pin should provide a high on the output. A low under these conditions indicates an open load. This part has been designed to operate in an automotive environment.
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24 1
SO-24L DW SUFFIX CASE 751E
* * * * * *
Features Four Channel Capability Differential Inputs Open Sensor Detect 5.0 V Supply Operation with RESET and Watchdog Features On-Chip Input Voltage Clamping NCV Prefix for Automotive and Other Applications Requiring Site and Change Control
MARKING DIAGRAM
24 NCV7001 AWLYYWW 1 A WL, L YY, Y WW, W = Assembly Location = Wafer Lot = Year = Work Week
Typical Applications * Antilock Braking Systems (ABS) * Traction Control Systems (TCS) * Vehicle Dynamics Control (VDC)
PIN CONNECTIONS
RDLY NTEST INN1 INP1 INN2 INP2 INP3 INN3 INP4 INN4 THOLD GND 1 24 NOUT1 NOUT2 WDO LVI NLVI WD2 VCC WD1 OLE WDLY NOUT3 NOUT4
ORDERING INFORMATION
Device NCV7001DW NCV7001DWR2 Package SO-24L SO-24L Shipping 30 Units/Rail 1000 Tape & Reel
(c) Semiconductor Components Industries, LLC, 2003
1
October, 2003 - Rev. 2
Publication Order Number: NCV7001/D
NCV7001
22 k Variable Reluctance Sensor 1/4 W 0.001 F 200 V 22 k 1/4 W 22 k Variable Reluctance Sensor 1/4 W 0.001 F 200 V 22 k 1/4 W INP3 22 k Variable Reluctance Sensor 1/4 W 0.001 F 200 V 22 k 1/4 W 22 k Variable Reluctance Sensor 1/4 W 0.001 F 200 V 22 k 1/4 W 0.01 F 50 V 0.01 F 50 V 0.01 F 50 V 0.01 F 50 V INN3 INP4 INN4 THOLD GND VCC WD1 OLE WDLY NOUT3 NOUT4 47 k 0.1 F 0.1 F VCC 0.01 F 50 V 0.01 F 50 V 0.01 F 50 V 0.01 F 50 V 0.047 F
47 k RDLY NTEST INN1 INP1 INN2 INP2 NOUT1 NOUT2 WDO LVI NLVI WD2
47 k
NCV7001
Figure 1. Application Diagram MAXIMUM RATINGS*
Rating DC Supply Voltage (VCC) Input Clamp Current ESD Capability (Human Body Model) Storage Temperature Operating Junction Temperature Package Thermal Resistance: Junction-to-Case, RJC Junction-to-Ambient, RJA Lead Temperature Soldering: *The maximum package power dissipation must be observed. 1. 60 second maximum above 183C. 2. -5C/+0C allowable conditions. Reflow: (SMD styles only) (Notes 1, 2) Value -0.3 to 7.0 -10, 10 2.0 -55 to 150 -40 to 150 16 80 240 peak Unit V mA kV C C C/W C/W C
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NCV7001
ELECTRICAL CHARACTERISTICS (4.5 V VCC 5.5 V, -40C TJ 125C; unless otherwise noted.)
Characteristic General Characteristics Quiescent Current Input Positive Input Threshold Negative Input Threshold Positive Input Threshold Negative Input Threshold Positive Input Threshold Negative Input Threshold Input Resistance Input Bias/Single Ended Input Clamp Current Input Clamp Voltage Open Sensor Threshold Output (NOUTX) Output Low Voltage Output High Voltage Output During Test / Normal Sensor (VCC - VOUT) Output During Test / Open Sensor (VCC - VOUT) Output (VCC - VOUT) Output (VCC - VOUT) Logic Watchdog Output Low Voltage Watchdog Output High Leakage Watchdog Input Voltage High Watchdog Input Voltage Low Watchdog Input Pullup Current Watchdog Input Pullup Current Thold Pin Input Current Test Input Low Threshold Test Input High Threshold Test Input Current OLE Input Low Threshold OLE Input High Threshold OLE Input Current OLE Input Current IWDO = 1.0 mA VWDO = VCC - - WD1 = WD2 = 2.0 V WD1 = WD2 = 0.8 V 0.3 V < VTHOLD < VCC - - VIN = 0.7 VCC, TEST = 1 - - OLE = 1.0, VIN = 2.0 V OLE = Low, VIN = 0.8 V - - - 0.8 -30 -50 - 0.3 VCC - -25 0.8 - -30 -50 0.2 - 1.5 1.4 - - 5.0 - - - 1.4 1.5 - - 0.4 10 2.0 - -450 -600 40 - 0.7 VCC 220 - 2.0 -450 -600 V A V V A A A V V A V V A A IOUT = 1.0 mA IOUT = -100 A OLE = 1.0, IOUT = -100 A OLE = 1.0, IOUT = -1.0 mA OLE (= Low), IOUT = -100 A, OLE ( = 1.0)/Normal Sensor, NO Signal from Sensor, IOUT = -100 A - VCC - 0.7 - - - - 0.2 - - - - - 0.4 - 0.7 0.4 0.7 0.4 V V V V V V Thold = 0 V For Correct Reset & Watchdog During Power Up (-10 mA) (+10 mA) 22 k in Series with INNX and INPX Rseries = 22 k between INPX & INNX Thold Pin = 0 V Rseries = 22 k between INPX & INNX Thold Pin = 0 V Rseries = 22 k between INPX & INNX Thold Pin = 2.0 V Rseries = 22 k between INPX & INNX Thold Pin = 2.0 V Rseries = 22 k between INPX & INNX 90 mV at VCC = VTHOLD = 4.5 V Rseries = 22 k between INPX & INNX 90 mV at VCC = VTHOLD = 4.5 V - 30 -60 84 -168 110 -200 225 0.46 VCC -6.0 -0.5 VCC - 0.6 12 45 -45 126 -126 140 -140 400 0.5 VCC - 0 VCC - 60 -30 168 -84 200 -110 800 0.54 VCC 6.0 0.5 VCC + 0.6 120 mV mV mV mV mV mV k V mA V V k - - - 24 mA Test Conditions Min Typ Max Unit
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NCV7001
ELECTRICAL CHARACTERISTICS (continued) (4.5 V VCC 5.5 V, -40C TJ 125C; unless otherwise noted.)
Characteristic Low Voltage Reset Timeout Delay Reset Delay NLVI Rise and Fall Time LVI Rise and Fall Time Threshold High VCC Going Up Threshold Low VCC Going Low Threshold Hysteresis NLVI Output Low LVTH - LVTL 25C T 125C, VCC = 1.0 V, INLVI = 1.0 mA -40C T 125C, VCC = 1.2 V, INLVI = 1.0 mA VCC = 4.5 V @ -40C, INLVI = 2.5 mA VNLI = VCC VCC = 1.0 V, ILV = -36 A VCC = 4.5 V, ILV = -250 A 4.75 < VCC 5.25 V, VLVC = 0 V (Watchdog Running at 300 Hz) (Watchdog Running at 33 Hz) (Difference between WD1 & WD2) - CL = 30 pF CL = 30 pF - - VCC - Increasing 0 to 5.0 V VCC - Decreasing 5.0 to 4.25 V 10 k Pullup & CL = 30 pF 57 k Pulldown & CL = 30 pF - - 30 - - - - 4.5 30 - - - -10 0.8 3.6 -7.5 50 - - - 4.66 4.59 70 150 150 150 - 0.9 4.3 - 70 1.0 50 50 4.75 - - 300 300 300 10 - - 7.5 ms ms s s V V mV mV mV mV A V V A ms ms ms ms s s s s Test Conditions Min Typ Max Unit
NLVI Output Low NLVI Output Leakage LVI Output High LVI Output High LVI Output Leakage Timing Specs Watchdog Short Time Detect Watchdog Long Time Detect Watchdog Skew Time Detect Watchdog Timeout Delay Time Output Rise Time Output Fall Time Delay Input to Output OLE Delay to NOUT
4.56 13.7 0.7 30 - - - -
6.075 18.25 - 50 0.5 0.05 1.0 1.0
7.59 22.8 2.1 70 2.0 2.0 20 20
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PIN DESCRIPTION
Pin No. 24 23 22 21 20 19 18 17 16 15 14 13 12 10 11 9 8 7 6 5 4 3 2 1 Symbol NOUT1 NOUT2 NOUT3 NOUT4 THOLD NTEST WDLY RDLY WDO INN4 INN3 INN2 INN1 GND WD2 WD1 INP4 INP3 INP2 INP1 NLVI OLE VCC LVI Inverted output of comparator 1. Inverted output of comparator 2. Watchdog output (low for valid watchdog signal). Reset output (in reset when high). Reset output (in reset when low). Watchdog input. 5.0 V input to IC. Watchdog input. Disables outputs. High = normal operation. Low = forces all outputs and comparators high. Determines watchdog timing. Inverted output of comparator 3. Inverted output of comparator 4. Ground. Variable threshold adjustment. Minus input to channel 4 comparator. Plus input to channel 4 comparator. Minus input to channel 3 comparator. Plus input to channel 3 comparator. Plus input to channel 2 comparator. Minus input to channel 2 comparator. Plus input to channel 1 comparator. Minus input to channel 1 comparator. Low = test, high = normal operation. Determines the low voltage reset delay and watchdog enable and disable delay.
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NCV7001
5 Description
NCV7001
VCC Bandgap Regulator INN1 0.5 VCC INP1 VBG VCC + - THOLD + - VBG RESET LVI NLV RDL NOUT1
+ - VCC
INN2 0.5 VCC INP2 VBG VCC + - NOUT2
+ - VCC
INN3 0.5 VCC INP3 VBG VCC VCC + - VCC WD1 WD2 Watchdog WDO INN4 0.5 VCC INP4 VBG VCC + - WDLY NOUT4 VCC NTEST + - VCC OLE + - NOUT3
GND
Figure 2. Block Diagram http://onsemi.com
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NCV7001
PACKAGE DIMENSIONS
SO-24L DW SUFFIX CASE 751E-04 ISSUE E
-A-
24 13 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.13 (0.005) TOTAL IN EXCESS OF D DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A B C D F G J K M P R MILLIMETERS MIN MAX 15.25 15.54 7.40 7.60 2.35 2.65 0.35 0.49 0.41 0.90 1.27 BSC 0.23 0.32 0.13 0.29 0_ 8_ 10.05 10.55 0.25 0.75 INCHES MIN MAX 0.601 0.612 0.292 0.299 0.093 0.104 0.014 0.019 0.016 0.035 0.050 BSC 0.009 0.013 0.005 0.011 0_ 8_ 0.395 0.415 0.010 0.029
-B-
12X
P 0.010 (0.25)
M
B
M
1
12
24X
D 0.010 (0.25)
M
J TA
S
B
S
F R C -T-
SEATING PLANE X 45 _
M
22X
G
K
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NCV7001
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NCV7001/D

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