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TPS53632RSMR Datasheet(PDF) 6 Page - Texas Instruments |
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TPS53632RSMR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 43 page TPS53632 SLUSBW8 – SEPTEMBER 2014 www.ti.com 6.5 Electrical Characteristics over recommended free-air temperature range, 4.5 V ≤ VV5A ≤ 5.5 V, 3.0 V ≤ VVDD ≤ 3.6 V, VGFB = GND, VVFB = VCORE (unless otherwise noted). PARAMETER CONDITIONS MIN TYP MAX UNIT POWER SUPPLY: CURRENTS, UVLO AND POWER-ON-RESET IV5-3P V5A supply current 3-phase operation, VDAC < VVFB < (VDAC + 100 mV), EN = ‘HI’ 3.6 6.0 3-phase operation, VDAC < VVFB < (VDAC + 100 mV), EN = ‘HI’, IVDD-3P VDD supply current 0.2 0.8 digital buses idle mA IV5-1P V5A supply current 1-phase operation, VDAC < VVFB < (VDAC + 100 mV) , EN = ‘HI’ 3.5 6.0 1-phase operation, VDAC < VVFB < (VDAC + 100 mV), EN = ‘HI’, IVDD-1P VDD supply current 0.2 0.8 digital buses idle IV5STBY V5A standby current EN = ‘LO’ 125 200 IVDDSTBY VDD standby current EN = ‘LO’ 23 40 µA IVDD-1P8 VINTF supply current All conditions, digital buses idle 1.7 5.0 VVFB < 200 mV, Ramp up, VVDD > 3 V, EN = ’HI’, switching VUVLOH V5A UVLO ‘OK’ threshold 4.2 4.4 4.52 begins. Ramp down, EN = ’HI’, VVDD > 3 V, VVFB = 100 mV, restart if 5- VUVLOL V5A UVLO fault threshold V falls below VPOR then rises > VUVLOH, or EN is toggled w/ VV5A 4.00 4.2 4.35 > VUVLOH Ramp down, EN = ‘HI’, VVDD > 3 V. Can restart if 5-V rises to VPOR V5A fault latch reset threshold 1.2 1.9 2.5 VUVLOH and no other faults present. VVFB < 200 mV. Ramp up, VV5A > 4.5 V, EN = ’HI’, Switching V3UVLOH VDD UVLO ‘OK’ threshold 2.5 2.8 3.0 V begins. Ramp down, EN = ’HI’, V5A > 4.5V, VFB = 100 mV, restart if 5- V3UVLOL Fault threshold V dips below VPOR then rises > VUVLOH or EN is toggled with 5 V 2.4 2.6 2.8 > VUVLOH Ramp down, EN = ‘HI’, VV5A > 4.5 V, can restart if 5-V supply VPOR VDD fault latch 1.2 1.9 2.5 rises to VUVLOH and no other faults present. VINTFUVLOH VINTF UVLO OK Ramp up, EN = ’HI’, VV5A > 4.5 V, VVFB = 100 mV 1.4 1.5 1.6 VINTFUVLOL VINTF UVLO falling Ramp down, EN = ’HI’, VV5A > 4.5 V, VVFB = 100 mV 1.3 1.4 1.5 REFERENCES: DAC, VREF, VFB DISCHARGE VVIDSTP VID step size Change VID0 HI to LO to HI 10 VDAC1 VFB tolerance No load active, 1.36 V ≤ VVFB ≤ 1.52 V, IOUT = 0 A –9 9 mV No load medium, 1.0 V ≤ VVFB ≤ 1.35 V, IOUT = 0 A –8 8 VDAC2 VFB tolerance No load medium, 0.5 V ≤ VVFB ≤ 0.99 V, IOUT = 0 A -7 7 VVREF VREF output VREF output 4.5 V ≤ VV5A ≤ 5.5 V, IVREF = 0 A 1.66 1.700 1.74 V VVREFSRC VREF output source 0 A ≤ IREF ≤ 500 µA, HP-2 –4 -3 mV VVREFSNK VREF output sink –500 A ≤ IREF ≤ 0 A, HP-2 3 4 VVBOOT Internal VFB initial boot voltage Initial DAC boot voltage 0.99 1.00 1.01 V RAMP SETTINGS RRAMP = 30 kΩ 60 RRAMP = 56 kΩ 120 VRAMP Compensation ramp mV RRAMP = 100 kΩ 160 RRAMP ≥ 150 kΩ 40 VOLTAGE SENSE: VFB AND GFB Not in fault, disable or UVLO, VVFB = VDAC = 1.5 V, RVFB VFB/GFB Input resistance 1 M Ω VGFB = 0 V, measure from VFB to GFB VDELGND GFB Differential GND to GFB ±100 mV CURRENT MONITOR ∑∆CS = 0 mV, AIMON = 3.867 00h ∑∆CS = 1.5 mV, AIMON = 3.867 19h VALADC IMON ADC output ∑∆CS = 7.5 mV, AIMON = 3.867 80h ∑∆CS = 15 mV, AIMON = 3.867 FFh LRIMON IMON linear range Each phase, CSPx – CSNx 50 mV 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: TPS53632 |
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