MAX5959AECS+ Maxim Integrated Products, MAX5959AECS+ Datasheet
MAX5959AECS+
Specifications of MAX5959AECS+
Related parts for MAX5959AECS+
MAX5959AECS+ Summary of contents
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... Attention Switch Inputs/Outputs with 4ms Debounce ♦ Present-Detect Inputs ♦ Force-On Inputs Facilitate Testing/Debug ♦ Thermal Shutdown ♦ Allow Control Through SMBus with an I/O Expander PART MAX5959AECS+ MAX5959LECS+ MAX5960AECS+ MAX5960LECS+ + Denotes a lead-free package. Pin Configuration and Typical Application Circuit appear at Applications end of data sheet. ...
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Quad PCI Express, Hot-Plug Controllers ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND, unless otherwise noted.) 12VIN......................................................................-0.3V to +14V 12G_ ..........................................................-0. 12S_+, 12S_-, 3.3G_ ..............................-0. 3.3VAUXIN, ON_, FAULT_, PWRGD_.......................-0.3V to +6V PGND ....................................................................-0.3V to +0.3V All ...
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Quad PCI Express, Hot-Plug Controllers ELECTRICAL CHARACTERISTICS (continued 12V, V 12VIN 12S_+ 12S_- 3.3S_+ = TIM = OUTPUT_ = 12G_ = 3.3G_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND, T noted. Typical ...
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Quad PCI Express, Hot-Plug Controllers ELECTRICAL CHARACTERISTICS (continued 12V, V 12VIN 12S_+ 12S_- 3.3S_+ = TIM = OUTPUT_ = 12G_ = 3.3G_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND, T noted. Typical ...
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Quad PCI Express, Hot-Plug Controllers ( 12V 12VIN 12S_+ 3.3S_+ 3.3S_- OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .) 12V INPUT SUPPLY CURRENT vs. TEMPERATURE 1.10 ...
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Quad PCI Express, Hot-Plug Controllers ( 12V 12VIN 12S_+ 3.3S_+ 3.3S_- OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .) 12V UNDERVOLTAGE LOCKOUT THRESHOLD vs. TEMPERATURE 10.20 ...
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Quad PCI Express, Hot-Plug Controllers ( 12V 12VIN 12S_+ 3.3S_+ 3.3S_- OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .) FAULT CONDITION ON 3.3V MAIN OUTPUT (AUTORESTART ...
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Quad PCI Express, Hot-Plug Controllers ( 12V 12VIN 12S_+ 3.3S_+ 3.3S_- OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .) FAULT CONDITION ON AUXILIARY OUTPUT (LATCH-OFF OPTION) ...
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Quad PCI Express, Hot-Plug Controllers ( 12V 12VIN 12S_+ 3.3S_+ 3.3S_- OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .) SHORT CIRCUIT ON 3.3AUXO_ (AUXILIARY OUTPUT) MAX5959 ...
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Quad PCI Express, Hot-Plug Controllers ( 12V 12VIN 12S_+ 3.3S_+ 3.3S_- OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit .) PRESENT-DETECT (ON/OFF) OPERATION MAX5959 toc35 10V/div 5V/div ...
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Quad PCI Express, Hot-Plug Controllers PIN NAME Slot B 12V Negative Current-Sense Input. Connect 12SB- to the negative side of the current-sense 1 12SB- resistor using the Kelvin-sensing technique to ensure accurate current sensing. Slot B 12V Positive Current-Sense Input. ...
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Quad PCI Express, Hot-Plug Controllers PIN NAME Slot C 3.3V Negative Current-Sense Input. Connect to the negative side of the sense resistor using the 23 3.3SC- Kelvin-sensing technique to ensure accurate current sensing. Slot C 3.3V Gate-Drive Output. Connect 3.3GC ...
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Quad PCI Express, Hot-Plug Controllers PIN NAME Slot D 12V Positive Current-Sense Input. Connect the positive terminal of the current-sense resistor to 43 12SD+ 12SD+ using the Kelvin-sensing technique to ensure accurate current sensing. Slot D 3.3V Gate-Drive Output. Connect ...
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Quad PCI Express, Hot-Plug Controllers PIN NAME Slot A 3.3V Gate-Drive Output. Connect 3.3GA to the gate of slot A’s 3.3V MOSFET. At power-up, V3.3GA is charged to 5.5V above the 3.3V supply by a constant current derived from V ...
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Quad PCI Express, Hot-Plug Controllers R R TIM PORADJ PORADJ TIM t FAULT t POR OSCILLATOR BIAS, REFERENCES, AND UVLO CONTROL LOGIC MAIN-CHANNEL CONTROL LOGIC AUX-CHANNEL UVLO INPUT COMPARATOR AND CHIP CONTROL LOGIC ON_ AUXON_ Figure 1. Single-Channel Internal Block ...
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Quad PCI Express, Hot-Plug Controllers At power-up, the MAX5959/MAX5960 keep all the external MOSFETs off until all supplies rise above their respective UVLO thresholds. These devices keep the internal MOSFETs off only until the 3.3VAUXIN supply rises above its UVLO ...
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Quad PCI Express, Hot-Plug Controllers Table 2. Control Logic Truth Table ON_ AUXON_ Low Low High Low Low High High High * PRES-DET_ high-to-low transition has a 4ms delay (t V PGTH12 V V PGTH3.3 ON_,TH ...
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Quad PCI Express, Hot-Plug Controllers V 12ILIM,TH R SENSE t FAULT PWRGD_ IS PULLED UP TO 3.3VAUXO_. FAULT_ IS PULLED UP TO 3.3VAUXIN. A FAULT ON THE 3.3V OUTPUT OR 3.3VAUXO_ OUTPUT PRODUCES SIMILAR RESULTS. Figure 4. 12 Output Overcurrent/Short ...
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Quad PCI Express, Hot-Plug Controllers Debounced Logic Gate (INPUT_ and OUTPUT_) INPUT1, INPUT2, and INPUT3 accept inputs from mechanical switches. The corresponding outputs are OUTPUT1, OUTPUT2, OUTPUT3, and OUTPUT4. OUT- PUT_ is debounced for 4ms. When INPUT_ goes from high ...
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Quad PCI Express, Hot-Plug Controllers LATCH-OFF N OPTION? N FAULT Y STILL PRESENT? ON_ TOGGLED Y HIGH ≥ LOW ≥ HIGH t ELAPSED? FAULT N Y RESET FAULT_ 3.3VAUXIN IS OK, MAIN INPUTS ARE AUXON_ IS HIGH, OK, ON_ IS ...
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Quad PCI Express, Hot-Plug Controllers External MOSFET Gate Drivers (12G_ and 3.3G_) The gate drive for the external MOSFETs is provided at 12GA, 12GB, 12GC, 12GD, 3.3GA, 3.3GB, 3.3GC, and 3.3GD. 12G_ is the gate drive for the 12V main ...
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Quad PCI Express, Hot-Plug Controllers Table 3. Component Manufacturers COMPONENT Vishay-Date Sense Resistor IRC Fairchild International Rectifier MOSFETs Motorola Vishay-Siliconix Additional External Gate Capacitance External capacitance can be added from the gate of the external MOSFETs to GND to slow ...
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Quad PCI Express, Hot-Plug Controllers PCI EXPRESS SLOT_ PRSNT1# +12V 12G_ GND PWRGD PWRGD_ 10kΩ 3.3VAUX 3.3VAUXO_ GND 3.3G_ +3.3V PRSNT2# ______________________________________________________________________________________ Typical Application Circuit ONE OF FOUR SLOTS SHOWN V 3.3VAUX R1 8mΩ 0.1μF 2.2μF 12S_+ 3.3VAUXIN 12VIN 12S_- ...
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Quad PCI Express, Hot-Plug Controllers TOP VIEW + 12SB- 1 12SB+ 2 AUXONB 3 ONB 4 INPUT1 5 OUTPUT1 6 INPUT2 7 OUTPUT2 8 N.C. 9 FOND 10 PRES-DETD 11 OND 12 AUXOND 13 GND 14 FONC 15 PRES-DETC 16 ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 25 © 2007 Maxim Integrated Products ...