ISL6111 Intersil Corporation, ISL6111 Datasheet
ISL6111
Related parts for ISL6111
ISL6111 Summary of contents
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... Data Sheet Current Regulated PCI Hot Plug Power Switch Controller The ISL6111 is designed for use in PCI and PCI-X applications where active current regulation protection of the motherboard from an abnormal PCI load card is desired. With the addition of two discrete power MOSFETs and a few passive components, the ISL6111 provides power control for the four legacy supplies (-12V, +12V, +5V, +3 ...
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... OUT 0.5A OUT 0.1A OUT R SENSE_3 ISL6111 EN M12VIN M12VO CRTIM M12VG 3VG 5VG 3VISEN GND(2) 12VI(2) 12VO(2) 3VS 5VISEN V(I/O) PG 5VS V(I/O) FLTN CRSET C R CRTIM CRSET (Note 2) (Note 1) FAULTN POWER GOOD FIGURE 1. ISL6111 TYPICAL APPLICATION SCHEMATIC (Note 1) 5V, 5A OUT (Note 1) R SENSE_5 5V SUPPLY 5nF ...
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... REF 5V ZENER REFERENCE 12V IN LOW WHEN 12V 12V IN POWER-ON RESET 12V IN 100µA V OCSET CRSET 12V IN ENABLE GND 3 ISL6111 5V REF FAULT RESET LATCH 2.8V + WOC COMP - COMP WOC COMP < 10V IN COMP WOC COMP COMP HIGH = FAULT HIGH = SWITCHES ON WOC COMP COMP COMP - 4 ...
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... Source 4 ISL6111 FUNCTION DESCRIPTION MOSFET. At turn-on the FET gate capacitance will be charged to 12VIN voltage by a 10µA current source. An optional capacitor from this node to ground will adjust the turn-on ramp. +12V IC bias supply and power supply rail input to internal power switch. ...
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... Turn-Off Time (EN to 5VOUT = 0.5V) 3.3V Current Regulation Threshold Voltage 3.3V WOC Threshold Voltage 3.3V Current Regulation Level Slow Ramping Current Trip Level 5 ISL6111 Thermal Information Thermal Resistance (Typical, Notes 3, 5) QFN Package Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C -0.5V to +0.5V Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C M12VI Maximum Lead Temperature (Soldering 10s 300° ...
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... Vout Turn-On Time Vout Turn-Off Time Vout Turn-Off Time WOC Vout Turn-Off Voltage -12V SUPPLY CONTROL On Resistance of Internal NMOS @ 0.1A Current Regulation Level 6 ISL6111 = 75°C, Unless Otherwise Specified (Continued SYMBOL TEST CONDITIONS CT_t dCT/85°C (See Figure 1, Typical Application) ...
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... FAULTN Output Response Time CRTIM Charging Current Current Regulation Time-Out Threshold BIAS 12V Lock Out Threshold 12V Power On Reset Threshold 12V Reset Threshold Hysteresis 12V Disabled Supply Current 7 ISL6111 = 75°C, Unless Otherwise Specified (Continued SYMBOL TEST CONDITIONS CT/CR di/dt = 0.001A/s, Current Trip Level/Current ...
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... Figure 20). This R value provides a nominal current trip level 110% to 130% higher than the maximum specified current, to ensure full current range use by the PCI load. The ISL6111 will trip off on a slow increasing current ramp approximately 10% to 20% lower than set CR level. ...
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... Application Considerations Soft Start and Turn-Off Considerations RSENSE The ISL6111 does allow the user to select the rate of ramp up on the voltage supplies. This start-up ramp minimizes in- rush current at start-up while the on card bulk capacitors charge. The ramp is created by placing capacitors on M12VG, 3VG and 5VG to ground. These capacitors are each charged nominal 25µ ...
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... FIGURE 4. 3.3V & 5V SLOWLY INCREASING CURRENT TRIP LEVEL vs TEMPERATURE AND RCRSET 10 ISL6111 ISL6111 is simply grounded. The Fault-not output, FLTN pulls low once the CR duration has expired and signals that all supplies have been disconnected from the load. See Figure 3 for operational PGOOD and FLTN waveforms. ...
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... FIGURE 6. NOMINAL CURRENT TRIP LEVEL vs RCRSET 10.75 10.732 10.716 10. TEMPERATURE (°C) FIGURE 8. 12V UV Vth vs TEMPERATURE TEMPERATURE (°C) FIGURE 10. BIAS CURRENT vs TEMPERATURE 11 ISL6111 (Continued) 0.55 450 0.425 437 0.3 375 PMOS +12 r 0.175 337 0.05 300 4.5K 0 FIGURE 7. r 4.59 4.58 4. FIGURE 9. UV TRIP vs TEMPERATURE 10 ...
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... C3 to ground. This provides a programmable duration during which the ISL6111 holds the programmed CR level. Once this duration has expired and the ISL6111 is still in CR mode the output voltages will turn off. The intent of any protection device is to quickly isolate the voltage supplies so a faulty load card does not drag down a supply ...
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... TIM 5V/DIV FIGURE 18. 3.3V INTO CR (VCRSET = 0.461V) 13 ISL6111 12VOUT 5V/DIV +5VOUT 5V/DIV +3.3VOUT 5V/DIV -12VOUT 5V/DIV M12VOUT 5V/DIV FIGURE 15. ISL6111 TURN-ON INTO M12V OC CONDITION 12VOUT 5V/DIV 10ms/DIV EN 10V/DIV 12VOUT 5V/DIV +5VOUT 5V/DIV +3.3VOUT 5V/DIV CTIM 1V/DIV 10ms/DIV 12IOUT 0.2A/DIV CR = 0.54A ...
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... ISL6111 FIGURE 20. ISL6111EVAL2 PLATFORM SCHEMATIC AND PHOTOGRAPH 14 ...
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... Load Capacitor C7 -12V Load Capacitor 15 ISL6111 TABLE 3. ISL6111EVAL2 BOARD COMPONENT LISTING Intersil, ISL6111CR PCI HotPlug Controller 4.5mΩ, 30V, 23A Logic Level N-Channel MOSFET or Equivalent WSL-2512 5mΩ, 1% Metal Strip Resistor or Equivalent 4.53kΩ 0805 Chip Resistor 0.47µF 0805 Chip Capacitor (CR duration ~70ms) 5kΩ ...
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... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 16 ISL6111 L20.5x5 20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (COMPLIANT TO JEDEC MO-220VHHC ISSUE C) ...