english ? ? ?Z ? ??? login | registe r enter keywords or part number what's new products solutions design appnotes support sales about us members MAX5961 0 to 16v, quad, hot-swap controller with 10-bit current and voltage monitor industry's first quad, hot-swap controller operates down to 0v and integrates a voltage and current monitor an evaluation kit is available: MAX5961evkit maxim > products > [ hot-swap and power switching ] quickview technical documents ordering info more information user comments (0) all status active: in production. description the MAX5961 0 to 16v, quad, hot-swap controller provides complete protection for systems with up to four distinct supply voltages. the device allows the safe insertio n and removal of circuit cards into live backplanes. the MAX5961 is an advanced hot-swap controller that monitors voltage and current with an inte rnal 10-bit adc. the devi ce provides two levels of overcurre nt circuit-breaker protection; a fa st- trip threshold for a fast turn-off, and a lower slow-trip threshold for a delayed turn-off. the maximum overcurrent circuit- breaker threshold range is set in dependently for each cha nnel with a trilevel input (ilim_) or by programming though an i2c interface. the internal 10-bit adc is multiplexed to mo nitor the output voltage and current of ea ch hot-swap channel. the total time to cycle through all the eight measurements is 100s (typ). each 10-b it value is stored in an inte rnal circular buffer so that 50 past samples of each signal can be read back through the i2c interface at any time or after a fault condition. the MAX5961 can be configured as four inde pendent hot-swap controllers, hot-swap controllers operating in pairs, or as a group of four hot-swap controllers. the device also includes five digital comparators per hot-sw ap channel to implement overcurrent warning, two levels of overvoltage detection, and two levels of un dervoltage detection. the limits for over current, overvoltage, and undervoltage are user-programmable. when any of the measured values violates th e programmable limits, an extern al active-low al ert signal is asserted. in addition to the active-low alert signal, dependin g on the selected operating mo de, the MAX5961 can deassert a power-good signal and/or turn-off the external mosfet. the MAX5961 is available in a 48-pin thin qfn package and operates over the -40c to +85c extended temperature range. request full data sheet key features applications/uses z four independent hot-swap controlle rs protect from 0 to 16v (provided in 2.7v) z 10-bit adc monitors voltage an d current of each channel z circular buffer stores 5ms of cu rrent and voltage measurements z four independent internal charge pumps generate n-channel mosfet gate drives z internal 500ma gate pulldown current for fast shutdown z variablespeed/bilevel? circ uit-breaker protection z alert output indicates undervoltage warning, undervoltage critical, overvoltage warning, overvoltage cr itical, and overcurrent warning for each channel z independent power-good outputs z autoretry or latched fault management z 400khz i2c interface z 7mm x 7mm 48-pin tqfn package z asics z disk drives z pci express? hot plug z servers z storage systems key specifications: hot swap controllers part number v in (v) v in (v) low volt. high volt. voltage polarity type fault condition control channels package/pins price see page 1 of 2 quickview - MAX5961 0 to 16v, qua d, hot-swap controller with 10 -bit current and voltage monito r 11/9/2009 htt p ://www.maxim-ic.com/ q uick _ view2.cfm/ q v _p k/5853
document ref.: 19-4167; rev 0; 2008-07-01 this page last modified: 2009-02-19 min max notes MAX5961 2.7 16 yes no positive positive, low- voltage programmable latched off or periodic retry 4 tqfn/48 $6.31 @1k see all hot swap controllers (47) didn't find what you need? z next day product selection assistan ce from applications engineers z parametric search z applications help quickview technical documents ordering info more information description key features applications/uses key specifications diagram data sheet application notes design guides engineering journals reliability reports software/models evaluation kits price and availability samples buy online package information lead-free information related products notes and comments evaluation kits contact us ? rate this page ? mail this page ? privacy policy ? legal notices copyright ? 2009 by maxim integrated products page 2 of 2 quickview - MAX5961 0 to 16v, qua d, hot-swap controller with 10 -bit current and voltage monito r 11/9/2009 htt p ://www.maxim-ic.com/ q uick _ view2.cfm/ q v _p k/5853
|
