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| CS464 CS464 Single Coil Predriver Description The CS464, Single Coil Predriver, provides interface control for the current through a primary ignition coil. Features include output current control, input negative edge filtering, stall timing and over-voltage shutdown. The IC is available as a bumped flipchip or packaged in a 16 lead SO wide package. Features s 40mA Driver s Stall Timing s Output Clamp s Overvoltage Shutdown Absolute Maximum Ratings Lead Temperature Soldering Reflow (SMD styles only)...........60 sec. max above 183C, 230C peak Continuous Power Supply @ VBAT, -40C < TA < 55C .............5V to 24V Continuous Power Supply @ VBAT, 55C < TA < 140C.............6V to 18V Frequency .......................................................................................5 to 400Hz Over the extended ranges of temperature, voltage, and frequency not covered by normal operating conditions, low frequency and run related functions are allowed an additional 20% on specification limits. The degradation shall not be permanent, and upon returning to normal operating conditions shall be within the specification limits. Non-normal ORun ModeO operation is 45 hours cumulative life not exceeding a continuous run time of 10 minutes with a 10 minute OOffO time following each successive operating cycle. Package Options 16 Lead SO Wide MB 1 NC NC CR IN+ CS S NC OUT IC D NC VCC Application Diagram NC NC Gnd VBAT Flip-Chip RIC2 MB NC NC CS S NC OUT IC D NC VCC 4k RIN+ VIN 10k RMB 10.7k 40Hz CR 0.1mF 50V CR IN+ NC NC Gnd CS464 N1 RD, 55W, 5W RVCC, 330 CVCC 0.1mF 12V 0V ZD 18V RIC1 200 CS 0.47mF 50V RS1 56 N2 Adjust for 6.5A Coil Current RS2 0.05W, 5W Cherry Semiconductor Corporation 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)885-3600 Fax: (401)885-5786 Email: info@cherry-semi.com Web Site: www.cherry-semi.com Rev. 3/1/99 1 A Company CS464 Electrical Characteristics: -30C TA 125C; -30C < TJ < 125C; All Parameters after VCC Power-up > 100ms; VBAT = 14V unless otherwise specified. 16 Lead SO Wide PARAMETER TEST CONDITIONS MIN TYP MAX MIN Flip Chip TYP MAX UNIT s Input, Current, Delay Positive Threshold Hysteresis ICC Input Impedance IC Process Delay s Output Output Current Output SOA Current Output Leakage Current Output Clamp Voltage Output Clamp Impedance s Regulation Voltage VS Regulation Voltage VS Supply Rejection VBAT = 6V VBAT = 16V VBAT = 6V VBAT = 16V VBAT = 6V VBAT = 16V @10A @0.1mA 8 8 1 5 70 56.2 56.2 20.2 20.2 2.75 12 170 66 66 9 9 1 5 70 15 56.2 56.2 20.2 20.2 2.75 12 170 66 66 % of VBAT % of VBAT % of VBAT % of VBAT mA mA k1/2 k1/2 s 4.5 19 400 4.5 19 400 15 VBAT = 6V, 2.1V output load VBAT = 22V (Note 1) VBAT = 25V (Note 1) @ 10mA @ 10mA 40 40 13.7 10 52.5 52.5 0 15.35 42.5 65 65 100 17 80 40 40 13.7 10 52.5 52.5 0 15.35 42.5 65 65 100 17 80 mA mA A V 1/2 VBAT = 7.8V VBAT = 6V ~ 22V (Note 1) VBAT = 7.8V ~ 22V (Note 1) 165 0 0 200 0 0 235 14 13 165 0 0 200 0 0 235 14 13 mV % % s Stall & Protection Stall Shutdown VS Stall Shutdown Frequency Stall Shutdown Time Stall to Spark Output Delay I/O Signal Relationship VBAT = 6V VBAT = 14V VBAT = 5.5V VBAT = 6V @ 80% Input @ 50% Input @ 30% Input -5 .4 19 4.6 79.0 49.0 29.0 25 25 1 28 28 0 1.4 28 6.7 80.5 50.5 30.5 5 1.47 37 9.5 82.0 52.0 32.0 750 800 32 5 -1 .4 19 4.6 79.0 49.0 29.0 25 25 1 30 30 0 1.4 28 6.7 80.0 50.0 30.0 1 1.47 37 9.5 81.0 51.0 31.0 750 800 31 5 Battery Interrupt Time Battery Interrupt Recovery Time @ 200Hz High Voltage Shutdown High Frequency Cut off Negative Threshold VBAT = 6V VBAT = 16V 28 2.5 36 36 28 2.5 36 36 mV Hz Hz ms ms % % % ms ms V kHz % of VBAT % of VBAT Note 1: Voltage extremes are for testing purposes only. Part in continuous operation should conform to absolute max table. 2 CS464 Package Pin Description PACKAGE PIN # PIN SYMBOL FUNCTION Flip-Chip (Bump #) 1 2 3 4 5 6 7 8 9 10 11 12 13 16 Lead SO Wide 13 15 16 1 2,3,6,7,10,14 4 5 8 9 11 12 OUT S CS MB NC CR IN+ INGnd VCC D IC TEST Output control of darlington driver. Current sense feedback input. Stall timer capacitor. Master current bias resistor. No connection. Reset capacitor. Input control. Negative input control (grounded in 16 Lead SO package). Ground. Input supply voltage. Darlington drive supply input. Input collector voltage sense. Test bump, grounded. Block Diagram VBAT CVCC 0.1mF RVCC 330W RMB 10.7k MB VR CR CR 0.1mF CS CS 0.47mF VCC VR 8.4mA VR VR 25% 149mA 149k P2 PNP Current Source Bias VR Power Supply Gnd VBG OVS + - 25% 33.6mA 25% 1.1mA 25%*Stall 31.9mA RD 55W, 5W INPUT RIN+ IN+ VIN 10k Negative Edge Filter LOGIC1 C D VR 8k VREF CR BG CS 63.7k R CR BG 5k + - Q 25% CR > VREF STALL ILIMIT Combinational Logic To CR, CS Current Sources VR D ZD 18V DWELL + - Spark Plug P1 OUT N5 OVS N4 13.7V Clamp IC ND1 ND2 RIC2 4k VR + 100k + - N1 BG N2 N3 2.55k S 0.63k RIC1 200W + - BG 7k + - Adjust for 6.5A Coil Current RS1 56W RS2 0.05W, 5W 12k 3 CS464 Package Specification PACKAGE DIMENSIONS IN mm (INCHES) PACKAGE THERMAL DATA D Lead Count 16 Lead SO Wide Metric Max Min 10.50 10.10 English Max Min .413 .398 Thermal Data RQJC typ RQJA typ 16 Lead SO Wide 23 105 uC/W uC/W 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) Flip-Chip .350 13X .165 .038 1.022 CA CR OUT 2.39 .279 MB CS .267 .525 .05 0 1.020 S 1.022 .496 0 IN+ .356 .431 CS-464 EFlip-ChipE IC .382 Test 0 1.021 .892 .0302 MAX 13X .095 .045 IN- Gnd VCC D 1.017 .384 .209 .265 2.14 0 Note: All dimensions in millimeters. Bump Locations, Bump Side Up Ordering Information Part Number CS464 CS464YDW16 CS464YDWR16 Rev. 3/1/99 Description Flip-Chip 16 Lead SO Wide 16 Lead SO Wide (tape & reel) 4 Cherry Semiconductor Corporation reserves the right to make changes to the specifications without notice. Please contact Cherry Semiconductor Corporation for the latest available information. (c) 1999 Cherry Semiconductor Corporation .892 |
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