dual output digital multi-phase controller IR3564A ir3570a www.irf.com | ? 2013 international rectifier | product brief | october 1, 2013 | v3.04 1 features ? dual output 4+1 and 3+2 phase pwm controllers ? easiest layout and fewest pins in the industry ? fully supports amd? svi1 & svi2 with dual ocp and intel? vr12 ? overclocking & gaming mode ? switching frequency from 200khz to 2mhz per phase ? ir efficiency shaping features including dynamic phase control and automatic power state switching ? programmable 1-phase operation for light loads and active diode emulation for very light loads ? ir adaptive transient algorithm (ata) on both loops minimizes output bulk capacitors and system cost ? auto-phase detection with auto- compensation ? per-loop fault protection: ovp, uvp, ocp, otp, cfp ? i2c/smbus/pmbus system interface for telemetryof temperature, voltage, current & power for both loops ? multiple time programming (mtp) with integrated charge pump for easy custom configuration ? compatible with ir atl and 3.3v tri-state drivers ? +3.3v supply voltage; -40c to 85c ambient operation ? pb -free, rohs , 5x5mm, 40-pin, 0.4mm pitch qfn description the IR3564A/70a is a dual-loop digital multi-phase bu ck controller designed for cpu voltage regulation and is ful ly compliant with amd? svi1 & svi2 and intel? vr12 specifications. the IR3564A/70a includes ir s efficiency shaping technology to deliver exceptional efficiency at minimum cost across the entire load range. ir s dynamic phase control adds/drops active phases based upon load current and can be configured to enter 1-phase operation and diode emulation mode automatically or by command. ir s unique adaptive transient algorithm (ata), based on proprietary non-linear digital pwm algorithms, minimizes output bulk capacitors and multiple time programmable (mtp) storage saves pins and enables a small package size. device configuration and fault parameters are easily defined using the ir digital power design center (dpdc) gui and stored in on-chip mtp. the IR3564A/70a provides extensive ovp, uvp, ocp and otp fault protection and includes thermistor based temperature sensing with vrhot signal . the IR3564A/70a includes numerous features like register diagnostics for fast design cycles and platform differentiation, simplifying vrd design and enabling fastest time- to - market (ttm) with set - and - forget methodology. applications ? amd? svi1 & svi2, intel? vr12 based systems ? desktop & notebook cpu vrs ? gpu & memory vrs ordering information base part number package type standard pack orderable part number form quantity IR3564A ir3570a qfn 5 mm x 5 mm tape and reel 3000 IR3564Amxxyytrp 1 r3570amxxyytrp 1 IR3564A ir3570a qfn 5 mm x 5 mm tape and reel 3000 IR3564Amtrpbf ir3570amtrpbf IR3564A ir3570a qfn 5 mm x 5 mm tray 4900 IR3564Amtypbf ir3570amtypbf 1. customer specific configuration file, where xx = cu stomer id and yy = configuration file (codes assigne d by ir marketing). downloaded from: http:///
dual output digital multi-phase controller IR3564A ir3570a www.irf.com | ? 2013 international rectifier | product brief | october 1, 2013 | v3.04 2 ordering information IR3564Am ir35 70 am ? ? ? ? ? ? ? ? ? pwm1_l2 vrtn rcsm vsen pwm4 2 /pwm2_l2 1 pwrgd/ vrdy1 rcsp tsen1 pwm3 v18a rres vcc pwm2 pwm1 rcsm_l2 rcsp_l2 pwrok/en_l2/ inmode vrdy2 vrtn_l2 vsen_l2 1 2 7 8 5 6 3 4 1 0 9 3 0 2 9 2 4 2 3 2 6 2 5 2 8 2 7 2 1 2 2 4 1 gnd i r 3 5 7 0 a / i r 3 5 6 4 a 4 0 p i n 5 x 5 q f n t o p v i e w 1 2 1 6 1 4 1 9 1 3 1 7 1 5 2 0 1 8 1 1 3 9 3 5 3 7 3 2 3 8 3 4 3 6 3 1 3 3 4 0 irtn1 isen1 irtn1_l2 irtn2 isen2 irtn3 isen3 isen1_l2 isen4 2 /isen2_l2 1 vrhot_icrit# en addr_prot sm_dio sm_clk sv_dio/ vidsel0 sv_clk/ vidsel1 svt/ sv_alert vddio/ sv_addr vinsen irtn4 2 /irtn2_l2 1 1 = ir3570a 2 = IR3564A figure 1 : IR3564A/70a pin diagram enlarge p/pbf C lead free tr C tape & reel / ty - tray yy C configuration file id xx C customer id package type (qfn) downloaded from: http:///
dual output digital multi-phase controller IR3564A ir3570a www.irf.com | ? 2013 international rectifier | product brief | october 1, 2013 | v3.04 3 typical application diagram +3.3v v_cpu_l1 i r 3 5 6 4 a i r 3 5 7 0 a vinsen pwm1_l2 pwm3 pwm2 vrdy1 vsen vcc rres pwrok/en_l2/inmode v18a vrtn irtn3 rcsp irtn2 rcsm isen3 isen2 vin v from system l o a d rcs ccs r series r series r th r vin _ 1 r vin _ 2 vrdy2 tsen1 r th 2 gnd addr_prot vrhot_crit# sm_clk sm_dio i2c bus v v vddio/sv_addr rcsp_l2 rcsm_l2 rcs ccs r series r series r th vsen_l2 vrtn_l2 sv_clk sv_dio v v svt/sv_alert en v vddio applicable circuit when pin is configured as vddio only logate higate vcc gnd pwm v boot switch vdrv logate higate vcc gnd pwm v boot switch vdrv logate higate vcc gnd pwm v boot switch vdrv logate higate vcc gnd pwm v boot switch vdrv logate higate vcc gnd pwm 5v v boot switch c h l 8 5 0 5 12v vdrv pwm1 irtn1 isen1 5v c h l 8 5 0 5 12v c h l 8 5 0 5 12v 5v 5v c h l 8 5 0 5 12v c h l 8 5 0 5 12v 5v isen1_l2 irtn1_l2 pwm2_l2 / pwm4 isen2_l2 / isen4 irtn2_l2 / irtn4 v_cpu_l2 l o a d cpu serial bus IR3564A ir3570a figure 2 : dual-loop vr using IR3564A or ir3570a controller and chl8505 mosfet drivers in 4+1 or 3+2 configuration downloaded from: http:///
dual output digital multi-phase controller IR3564A ir3570a www.irf.com | ? 2013 international rectifier | product brief | october 1, 2013 | v3.04 4 data and specifications subject to change without n otice. this product will be designed and qualified for the consumer market. qualification standards can be found on irs web sit e. ir world headquarters: 233 kansas st., el segundo, california 90245, usa te l: (310) 252-7105 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . www.irf.com downloaded from: http:///
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