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Part: CS290
Category:
Automotive
-> Ignition
Description: Ignition Controller
Company: ON Semiconductor
Datasheet: Download CS290 datasheet File size : 243 kB
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Datasheet text preview:
CS290/291
CS290/291 Ignition Controller
DE SI GN
Description
The CS290/291 are integrated circuits to be used in the automotive ignition system. The application diagram shown below highlights the CS290. The CS291 is identical with the differential input replaced
Features
s 40mA Driver s Stall Timing s Output Current Control s Output Clamp s Overvoltage Shutdown
by a single-ended input. The part is capable of withstanding 90V load dump transients in the circuit shown below. The part is also reverse battery protected.
RE CO MM EN DE D
Power supply voltage, VBAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to 22V Peak Transient Voltage (Load Dump 76V @ 14V VBAT) . . . . . . . . . . . . . . . .90V Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55°C to 165°C Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150°C Lead Temperature Soldering Wave Solder (through hole styles only) . . . . . . .10 sec. max, 260°C peak Reflow (SMD styles only) . . . . . . .60 sec. max above 183°C, 230°C peak
AR CH IV FO E R N
Absolute Maximum Ratings Absolute
EW
Package Options
14 Lead PDIP
Gnd MB AC 25/75 V IN+ VIN- Start
1
BI CS NC OUT CVS D VCC
Application Diagram
VBAT
1k
16 Lead SO Wide
CS290
Ignition Coil
NC MB AC 25/75 VIN+
1
330
27k
55
NC BI CS NC OUT CVS D VCC
0.1µF
18V
NO T
VCC IN+ IN- 25/75 AC MB
Start
D CVS
16k
Gnd VIN- Start
VIN+
5k 4k
DE VI CE
VIN-
5k
CS290
OUT CS 200
CS291
NC NC MB AC
1
NC BI CS TEST OUT CVS D VCC
Gnd
BI CSTALL 0.1µF
200
25/75 Gnd
CRUN 0.1µF
CADAPTIVE 0.1µF
3.2M (optional)
15.3k
56
Adjust for 6.5A (max) Coil Current
0.05
VIN- Start
Consult Factory for Flip Chip
ON Semiconductor 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)8853600 Fax: (401)8855786 N. American Technical Support: 800-282-9855 Web Site: www.onsemi.com
April, 2001 - Rev. 4
1
CS290/291
Electrical Characteristics: 6V < VB < 16V, -40°C < TA < 125°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
s Input Positive Threshold Negative Threshold Hysteresis Input Impedance VCC Negative Edge Filter s Output Stage Negative Edge Delay (Start Mode) Positive Edge Delay (Start Mode) Delay Time (Start High to Output Low) Output Current Output SOA Output Leakage Output Clamp Voltage Output Clamp Impedance (Refers to Collector Sense Voltage pin) High Frequency On Time s General ICC AC Gain Adaptive Cap Gain VCS Regulation High Voltage Shutdown s Stall VSTALL Soft Shutdown Voltage Soft Shutdown Frequency Soft Shutdown Time Stall to Spark Output Delay Battery Interrupt Time Battery Interrupt Recovery Time s Dwell Dwell @ 10Hz (Start Mode) Start to Output Disable Time Excess Dwell @ 20Hz (Run Mode) VBAT = 5V VBAT = 14V VBAT = 14V 46 65 14 54 135 20.8 % ms % VCS = 6V VBAT = 14V VBAT = 6V VBAT = 14V VBAT = 14V (200 Hz) 0 1.0 13.1 4.5 25 0 11 2.6 27 8.9 750 800 mV Hz ms ms ms ms VBAT = 6V VBAT = 16V VBAT = 14V VBAT = 6V 1.4 5 0.8 140 24.3 4.6 19 1.2 210 31 mA V/V mV V VBAT = 6V VBAT = 5V VBAT = 14V VBAT = 6V VBAT = 22V VBAT = 18V Output = 10mA Output = 10mA VBAT = 14V 1.1 1.06 0 40 40 0 13.7 10 70 3.1 1.80 16 65 65 100 17 80 80 ms ms µs mA mA uA V % Input = 100µA VBAT = 16V VBAT = 6V VBAT =16V VBAT = 6V 29 29 9 70 18 4 325 1100 1100 66 %VBAT %VBAT %VBAT k µs
2
Electrical Characteristics: 6V < VB < 16V, -40°C < TA < 125°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
CS290/291
s Dwell: continued Excess Dwell @ 200Hz (Run Mode) Reduced Dwell Threshold Reduced Dwell Hysteresis Reduced Dwell VBAT = 20V Package Pin Description
PACKAGE PIN # PIN SYMBOL FUNCTION
VBAT = 14V
14 16.6 200 4.0
20.8 21.0 800 6.0
% V mV %
14 lead PDIP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NC
16 lead SO wide CS290 CS291 6 2 3 4 5 7 8 9 10 11 12 1,13,16 14 15 NC 6 3 4 5 NC 7 8 9 10 11 12 1,2,16 14 15 13 Gnd MB AC 25/75 VIN+ VIN- Start VCC D CVS OUT NC CS BI Test Signal Ground. Master Bias. Sets up operating currents on the IC with external resistor. Adaptive Capacitor. Follows the 25/75 capacitor. Voltage trip points control the Output for setting dwell. Run Capacitor. Provides 25%/75% charge and discharge current to an external capacitor for setting dwell. Input pin +. Input pin -. Input pin to put device in the "start mode". Supply input voltage. Supply current to output pin. Collector Voltage Sense. Input for flyback detect. Output. Driver for external darlington. No connection. Current Sense. Feedback for max coil current. Battery Int. Input for "stall mode" of operation Factory test pin. Pin should be grounded in customer application.
Typical Performance Characteristics
Timing Diagram, ICOIL vs. Time
40
Dwell Time Normal Run Mode 17.5% High Voltage Mode 5.0% Start Mode 50.0%
Current Limit
ICOIL (mA)
30 20 10 0
Spark Plug Fires
Time
Dwell Time
3
CS290/291
Package Specification
PACKAGE DIMENSIONS IN mm (INCHES) PACKAGE THERMAL DATA
D Lead Count 14 Lead PDIP 16 Lead SO Wide Metric Max 19.69 10.50 Min 18.67 10.10 English Max .775 .413 Min .735 .398
Thermal Data RJC RJA typ typ
14 Lead PDIP 48 85
16 Lead SO Wide 23 105
°C/W °C/W
Plastic DIP (N); 300 mil wide
7.11 (.280) 6.10 (.240)
8.26 (.325) 7.62 (.300) 3.68 (.145) 2.92 (.115)
1.77 (.070) 1.14 (.045)
2.54 (.100) BSC
.356 (.014) .203 (.008)
0.39 (.015) MIN. .558 (.022) .356 (.014) Some 8 and 16 lead packages may have 1/2 lead at the end of the package. All specs are the same.
REF: JEDEC MS-001
D
Surface Mount Wide Body (DW); 300 mil wide
7.60 (.299) 7.40 (.291)
10.65 (.419) 10.00 (.394)
0.51 (.020) 0.33 (.013)
1.27 (.050) BSC
2.49 (.098) 2.24 (.088)
2.65 (.104) 2.35 (.093)
1.27 (.050) 0.40 (.016)
REF: JEDEC MS-013
0.32 (.013) 0.23 (.009) D 0.30 (.012) 0.10 (.004)
Ordering Information
Part Number CS290YN14 CS291YN14 CS290YDW16 CS290YDWR16 CS291YDW16 CS291YDWR16
Description 14 Lead PDIP 14 Lead PDIP 16 Lead SO Wide 16 Lead SO Wide (tape & reel) 16 Lead SO Wide 16 Lead SO Wide (tape & reel) 4
ON Semiconductor and the ON Logo are trademarks of Semiconductor Components Industries, LLC (SCILLC). ON Semiconductor reserves the right to make changes without further notice to any products herein. For additional information and the latest available information, please contact your local ON Semiconductor representative.
© Semiconductor Components Industries, LLC, 2001
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