{"product_id":"tps53647rtat-multiphase-controller-asic-psu","title":"TPS53647RTAT Multiphase Step-Down Controller PMBus QFN-40 – ASIC Miner PSU","description":"\u003ch2\u003eTPS53647RTAT Multiphase Step-Down Controller for ASIC Miner PSU Repair\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTPS53647RTAT\u003c\/strong\u003e is a high-current \u003cstrong\u003emultiphase step-down controller\u003c\/strong\u003e designed for ASIC miner power supplies. It offers \u003cstrong\u003e8 selectable boot voltages\u003c\/strong\u003e across a \u003cstrong\u003e0.5V to 2.5V\u003c\/strong\u003e output range, with steps as fine as \u003cstrong\u003e5mV\u003c\/strong\u003e, for high-current rails that need a precise output voltage. It works from a \u003cstrong\u003e4.5V to 17V\u003c\/strong\u003e conversion input and comes in a compact, thermally efficient \u003cstrong\u003e40-pin QFN (6mm × 6mm)\u003c\/strong\u003e package rated from \u003cstrong\u003e-40°C to 125°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUse it to replace a faulty controller in an ASIC miner power supply unit. Its DCAP+ control gives a fast transient response with minimal output capacitance, while phase interleaving and dynamic phase shedding keep efficiency high at both light and heavy load.\u003c\/p\u003e\n \n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePMBus interface\u003c\/strong\u003e for voltage, current, power, temperature and fault telemetry, compatible with 1.8V and 3.3V PMBus bias.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration by NVM or resistor pin-strapping\u003c\/strong\u003e for boot voltage and protection settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-level programmable overcurrent protection (OCP)\u003c\/strong\u003e and 8-level independent overshoot (OSR) and undershoot (USR) suppression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase current imbalance detection and reporting\u003c\/strong\u003e, plus pre-biased startup support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300kHz to 1MHz\u003c\/strong\u003e frequency selection with closed-loop frequency control, and a driverless configuration for high-efficiency, high-frequency switching.\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003ch3\u003eReplacement Notes\u003c\/h3\u003e\n\u003cp\u003eMatch the full part number \u003cstrong\u003eTPS53647RTAT\u003c\/strong\u003e and the 40-pin QFN footprint before replacing the controller. As a QFN package with an exposed thermal pad, it needs hot-air or reflow rework with proper flux and a clean, level pad. After replacement, confirm that the boot voltage and overcurrent settings, set by pin-strapping resistors or NVM, match the original configuration of the power supply before applying full load.\u003c\/p\u003e\n \n\u003ch4\u003eTPS53647RTAT Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eTPS53647RTAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eMultiphase step-down (buck) controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e0.5V to 2.5V, steps as fine as 5mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eBoot Voltages\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e8 selectable (pin-strapping or NVM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eConversion Input Voltage\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e4.5V to 17V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eControl Mode\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eDCAP+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e300kHz to 1MHz, closed-loop frequency control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eInterface\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003ePMBus (1.8V and 3.3V bias)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eOvercurrent Protection\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e16 programmable levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eOvershoot \/ Undershoot Suppression\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e8 independent levels each (OSR \/ USR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003ePackage\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eQFN-40, 6mm × 6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e-40°C to 125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eASIC miner power supply repair, server and high-density power supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \n \n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the TPS53647RTAT do in a miner power supply?\u003c\/strong\u003e\u003cbr\u003eIt controls a multiphase step-down converter that delivers a high-current, low-voltage rail between 0.5V and 2.5V, with PMBus telemetry and protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I change the output voltage after replacement?\u003c\/strong\u003e\u003cbr\u003eThe boot voltage is chosen among 8 levels by pin-strapping resistors or NVM. Keep the original configuration of your power supply unless you know the target voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat input voltage does it support?\u003c\/strong\u003e\u003cbr\u003eThe conversion input range is 4.5V to 17V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you offer volume pricing for repair shops?\u003c\/strong\u003e\u003cbr\u003eYes. Email us with the quantity you need and we will send a quote.\u003c\/p\u003e\n \n\u003ch3\u003eRelated Power Supply Repair Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/isl8120irz-internal-oscillator-for-hash-board-repair-advanced-voltage-mode-modulation-control\"\u003eISL8120IRZ Dual Voltage-Mode Buck PWM Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/up1542s-up1542ssu8-sop8-synchronous-rectified-buck-controller\"\u003eUP1542S Synchronous Rectified Buck Controller SOP-8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/kb6880-pwm-buck-controller-innosilicon-cryptominer-a4-a6-hashboard-repair\"\u003eKB6880 PWM Buck Controller SOP-14\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/es\/products\/ntmfs5c430nl-single-n-channel-power-mosfet-cryptominer-repair\"\u003eNTMFS5C430NL N-Channel Power MOSFET – DC-DC Converter Repair\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003cp\u003eRepairing several power supplies? Email \u003ca href=\"mailto:contact@lys-sz.com\"\u003econtact@lys-sz.com\u003c\/a\u003e for pricing on TPS53647RTAT controllers and other PSU components.\u003c\/p\u003e\n\u003cp\u003eWorldwide shipping from our Shenzhen warehouses.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":46453209661619,"sku":null,"price":6.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/tps53647rtat-multiphase-step-down-controller-qfn-40-top.webp?v=1794451391","url":"https:\/\/lys-sz.com\/es\/products\/tps53647rtat-multiphase-controller-asic-psu","provider":"LYS Shenzhen","version":"1.0","type":"link"}