DATASHEET ISL99227, ISL99227B FN8684 Rev.3.00 Smart Power Stage (SPS) Module with Integrated High Accuracy Current and Oct 2, 2017 Temperature Monitors The ISL99227 and ISL99227B are Smart Power Stage (SPS) Features compatible with Intersils ISL68xxx/69xxx Digital Multiphase Input range: +4.5V to +18V (DMP) controllers and phase doubler (ISL6617A), respectively. The ISL99227 and ISL99227B have integrated high accuracy Supports 60A DC current current and temperature monitors that can be fed back to the ISL99227 with 3.3V compatible tri-state PWM input controller and doubler to complete a multiphase DC/DC ISL99227B with 5.0V compatible tri-state PWM input system. They simplify design and increase performance by eliminating the DCR sensing network and associated thermal Downslope current sensing compensation. Light-load efficiency is supported through a 3% accuracy current monitor (IMON) with REFIN input dedicated LFET control pin. An industry leading thermally enhanced 5x5 PQFN package allows minimal overall PCB real 8mV/C temperature monitor with OT flag estate. Dedicated low-side FET control input The ISL99227 and ISL99227B feature a 3.3V compatible, 5.0V Comprehensive fault protection for high system reliability compatible tri-state PWM input that, working together with - High-side FET short and overcurrent protection Intersils multiphase PWM controllers, provide a robust - Over-temperature protection solution in the event of abnormal operating conditions. The -V and V Undervoltage Lockout (UVLO) CC IN ISL99227 and ISL99227B also improve system performance and reliability with integrated fault protection of UVLO, Open-drain fault reporting output over-temperature, and overcurrent. An open-drain fault Up to 2MHz switching frequency reporting pin simplifies the handshake between SPS and Intersil controllers and can be used to disable the controller Pb-free (RoHS compliant), 32 Ld 5x5 PQFN during start-up and fault conditions. Applications Related Literature High frequency and high efficiency VRM and VRD For a full list of related documents, visit our website Core, graphic, and memory regulators for microprocessors - ISL99227, ISL99227B product pages High density VR for server, networking, and cloud computing POL DC/DC converters and video gaming consoles +12V +5V VCC PVCC BOOT PHASE VIN LGCTRL SHOOT- PWM THROUGH PWM L OUT V PROTECTION OUT IMON SW CS n ISL68xxx/ REFIN CSRTN n PVCC ISL69xxx TMON SMART TEMP CONTROLLER FAULT CONTROL EN C OUT ISL99227 GND GND GND FIGURE 1. ISL99227 SIMPLIFIED APPLICATION BLOCK DIAGRAM FN8684 Rev.3.00 Page 1 of 17 Oct 2, 2017ISL99227, ISL99227B Typical Application Circuit with ISL99227 +3.3V VCCS ISL99227 VCCS VCC 5V VCC PVCC 5V 5V LGCTRL VIN VIN FAULT BOOT TEMPVCORE TMON PHASE VSENVCORE PWM SW PWM1 RGNDVCORE 100 CS1 IMON ENVCORE REFIN GND CSRTN1 PGVCORE 470pF ISL99227 ISL69127 5V VCC PVCC 5V 5V LGCTRL VIN VIN FAULT BOOT VCORE TMON SVDATA PHASE PWM SW SVCLK PWM2 100 IMON CS2 nSVALERT REFIN GND CSRTN2 nVRHOT 470pF nPINALERT PWM3-5 N PHASES PMSDA CS3-5 PMSCL CSRTN3-5 nPMALERT ISL99227 5V VCC PVCC 5V 5V LGCTRL VIN VIN CFP FAULT BOOT TMON PHASE PWM SW PWM6 VIN 100 CS6 IMON CSRTN6 REFIN GND 470pF VINSEN ISL99227 5V VCC PVCC 5V 5V LGCTRL VIN VIN FAULT BOOT PGVSA TMON TEMPVSA PHASE ENVSA PWM SW PWMVSA 100 CSVSA IMON RGNDVSA GND CSRTNVSA REFIN VSENVSA 470pF VSA VCCS GND ADDRESS CONFIG FIGURE 2. TYPICAL APPLICATION CIRCUIT WITH ISL99227 (ISL99227B 5V PWM IS NOT COMPATIBLE WITH ISL69127) FN8684 Rev.3.00 Page 2 of 17 Oct 2, 2017