dual output digital multi - phase controller ir3564a ir3570a www.irf.com | ? 201 3 international rectif ier | product brief | october 1 , 2013 | v3.0 4 1 features ? dual output 4+1 and 3 + 2 phase pwm controller s ? 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 tem perature, 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; - 4 0 c to 85 c ambient operation ? pb - free, rohs , 5x5mm, 40 - pin, 0.4mm pitch qfn description the ir3564a/70a is a dual - loop digital multi - phase buck controller designed for cpu voltage regulation and is fully compliant with amd? svi1 & svi2 and intel ? vr12 specifications. the ir3564a/70a include s 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 di o de 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 s mall 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 ir3564 a ir3570a qfn 5 mm x 5 mm tape and reel 3000 ir3564amxxyytrp 1 r3570amxxyytrp 1 ir3564 a ir3570a qfn 5 mm x 5 mm tape and reel 3000 ir3564amtrpbf ir3570amtrpbf ir3564 a ir3570 a qfn 5 mm x 5 mm tray 4900 ir3564amtypbf ir3570amtypbf 1. customer specific configuration file, where xx = customer id and yy = configuration file (codes assigned by ir marketing) .
dual output digital multi - phase controller ir3564a ir3570a www.irf.com | ? 201 3 international rectif ier | product brief | october 1 , 2013 | v3.0 4 2 ordering information ir3564a m ir35 70 a m ? ? ? ? ? ? ? ? ? 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) p w m 1 _ l 2 v r t n r c s m v s e n p w m 4 2 / p w m 2 _ l 2 1 p w r g d / v r d y 1 r c s p t s e n 1 p w m 3 v 1 8 a r r e s v c c p w m 2 p w m 1 r c s m _ l 2 r c s p _ l 2 p w r o k / e n _ l 2 / i n m o d e v r d y 2 v r t n _ l 2 v s e n _ l 2 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 g n d 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 i r t n 1 i s e n 1 i r t n 1 _ l 2 i r t n 2 i s e n 2 i r t n 3 i s e n 3 i s e n 1 _ l 2 i s e n 4 2 / i s e n 2 _ l 2 1 v r h o t _ i c r i t # e n a d d r _ p r o t s m _ d i o s m _ c l k s v _ d i o / v i d s e l 0 s v _ c l k / v i d s e l 1 s v t / s v _ a l e r t v d d i o / s v _ a d d r v i n s e n i r t n 4 2 / i r t n 2 _ l 2 1 1 = i r 3 5 7 0 a 2 = i r 3 5 6 4 a
dual output digital multi - phase controller ir3564a ir3570a www.irf.com | ? 201 3 international rectif ier | product brief | october 1 , 2013 | v3.0 4 3 typical application diagram figure 2 : dual - loop vr using ir3564a or ir3570a controller and chl8505 mosfet d rivers in 4+1 or 3+2 configuration + 3 . 3 v v _ c p u _ l 1 i r 3 5 6 4 a i r 3 5 7 0 a v i n s e n p w m 1 _ l 2 p w m 3 p w m 2 v r d y 1 v s e n v c c r r e s p w r o k / e n _ l 2 / i n m o d e v 1 8 a v r t n i r t n 3 r c s p i r t n 2 r c s m i s e n 3 i s e n 2 v i n v f r o m s y s t e m l o a d r c s c c s r s e r i e s r s e r i e s r t h r v i n _ 1 r v i n _ 2 v r d y 2 t s e n 1 r t h 2 g n d a d d r _ p r o t v r h o t _ c r i t # s m _ c l k s m _ d i o i 2 c b u s v v v d d i o / s v _ a d d r r c s p _ l 2 r c s m _ l 2 r c s c c s r s e r i e s r s e r i e s r t h v s e n _ l 2 v r t n _ l 2 s v _ c l k s v _ d i o v v s v t / s v _ a l e r t e n v v d d i o a p p l i c a b l e c i r c u i t w h e n p i n i s c o n f i g u r e d a s v d d i o o n l y l o g a t e h i g a t e v c c g n d p w m v b o o t s w i t c h v d r v l o g a t e h i g a t e v c c g n d p w m v b o o t s w i t c h v d r v l o g a t e h i g a t e v c c g n d p w m v b o o t s w i t c h v d r v l o g a t e h i g a t e v c c g n d p w m v b o o t s w i t c h v d r v l o g a t e h i g a t e v c c g n d p w m 5 v v b o o t s w i t c h c h l 8 5 0 5 1 2 v v d r v p w m 1 i r t n 1 i s e n 1 5 v c h l 8 5 0 5 1 2 v c h l 8 5 0 5 1 2 v 5 v 5 v c h l 8 5 0 5 1 2 v c h l 8 5 0 5 1 2 v 5 v i s e n 1 _ l 2 i r t n 1 _ l 2 p w m 2 _ l 2 / p w m 4 i s e n 2 _ l 2 / i s e n 4 i r t n 2 _ l 2 / i r t n 4 v _ c p u _ l 2 l o a d c p u s e r i a l b u s i r 3 5 6 4 a i r 3 5 7 0 a
dual output digital multi - phase controller ir3564a ir3570a www.irf.com | ? 201 3 international rectif ier | product brief | october 1 , 2013 | v3.0 4 4 data and specifications subject to change without notice. this product will be designed and qualified for the consumer market. qualification standards can be found on irs web site. ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252 - 7105 tac fax: (310) 252 - 7903 visit us at www.irf.com for sales contact information . www.irf.com
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