Analog DDR Solutions for your complete System

Texas Instruments offers a broad portfolio of Power Management and Memory Interface products provide efficient, high density, cost effective solutions for designs using any variation of DDR. Whether designing mobile or embedded computing applications using DDR, DDR4 or any variation in-between, TI has the essential resources needed for designing your complete system.

TI's portfolio of Power Management solutions for DDR SDRAM offer innovative, efficient and affordable solutions for your specific DDR design.

Click on the generation of DDR you are designing with and choose your Power Management solution!

DDR
DDR2
LP DDR2
DDR3
DDR3L
LP DDR3
DDR4

DDR Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution	(2.5V)	(1.25V)	(1.25V)	3 to 28	24VQFN	TPS59116	Complete DDR, DDR2, and DDR3 Memory Power Solution, Sync Buck Controller for Embedded Computing
Multiple IC Solution (select multiple devices)	(2.5V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(2.5V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(2.5V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(2.5V)	-	-	4.5 to 14	2x2 SON	TPS56121	15A, Synchronous, Step-down Converter
	(2.5V)			4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(1.25V)	(1.25V)	2.2 to 5.5	SOIC-8, 4x4 QFN	LP2995	1.5A Source/Sink Regulator
	-	(1.25V)	(1.25V)	1.2 to 3.6 (4.75 to 5.25)	MSOP-10	TPS51100	3A Source/Sink Regulator, requires 5V bias

DDR2 Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution	(1.8V)	(0.9V)	(0.9V)	3 to 28	24VQFN	TPS59116	Complete DDR, DDR2, and DDR3 Memory Power Solution, Sync Buck Controller for Embedded Computing
	(1.8V)	(0.9V)	(0.9V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51216	Synchronous Step-down Controller (D-CAP™) plus 2A Source/Sink Regulator
	(1.8V)	(0.9V)	(0.9V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51716	Synchronous Step-down Controller (D-CAP2™) plus 2A Source/Sink Regulator
	(1.8V)	(0.9V)	(0.9V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51916	Synchronous Step-down Controller (D-CAP/D-CAP2 selectable), plus 3A Source/Sink Regulator
Multiple IC Solution (select multiple devices)	(1.8V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(1.8V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(1.8V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(1.8V)	-	-	4.5 to 14	22SON	TPS56121	15A, Synchronous, Step-down Converter
	(1.8V)	-	-	4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(0.9V)	(0.9V)	1.2 to 3.6 (4.75 to 5.25)	MSOP-10	TPS51100	3A Source/Sink Regulator, requires 5V bias
	-	(0.9V)	(0.9V)	(VTT + 0.4) to 3.5 (3.1 to 6.5)	2x2 SON	TPS51206	2A Source/Sink Regulator
	-	(0.9V)	(0.9V)	2.2 to 5.5	SOIC-8, 4x4 QFN	LP2996	1.5A Source/Sink Regulator
	-	(0.9V)	(0.9V)	2.2 to 5.5	SOIC-8	LP2997	0.5A Source/Sink Regulator (DDR2 only)
	-	(0.9V)	(0.9V)	2.2 to 5.5	SOIC-8	LP2998	0.5A Source/Sink Regulator (DDR3 support)

LP DDR2 Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution (except VPP)	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.75 to 5.25)	HTSSOP-20, 4x4 QFN	TPS51116	Synchronous Step-down Controllerplus 3A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51216	Synchronous Step-down Controller (D-CAP™) plus 2A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51716	Synchronous Step-down Controller (D-CAP2™) plus 2A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51916	Synchronous Step-down Controller (D-CAP/D-CAP2 selectable), plus 3A Source/Sink Regulator
Multiple IC Solution (select multiple devices)	(1.2V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(1.2V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(1.2V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(1.2V)	-	-	4.5 to 14	2x2 SON	TPS56121	15A, Synchronous, Step-down Converter
	(1.2V)	-	-	4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(0.6V)	(0.6V)	1.2 to 3.5 (2.375 to 3.5)	3x3 SON	TPS51200	2A Source/Sink Regulator, suitable for servers
	-	(0.6V)	(0.6V)	(VTT + 0.4) to 3.5 (3.1 to 6.5)	2x2 SON	TPS51206	2A Source/Sink Regulator
		(0.6V)	-	1 to 6 (4.5 to 6.5)	3.5x4 QFN	TPS53317	6A Synchronous, Step-down Converter, suitable for servers

DDR3 Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution	(1.5V)	(0.75V)	(0.75V)	3 to 28	24VQFN	TPS59116	Complete DDR, DDR2, and DDR3 Memory Power Solution, Sync Buck Controller for Embedded Computing
	(1.5V)	(0.75V)	(0.75V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51216	Synchronous Step-down Controller (D-CAP™) plus 2A Source/Sink Regulator
	(1.5V)	(0.75V)	(0.75V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51716	Synchronous Step-down Controller (D-CAP2™) plus 2A Source/Sink Regulator
	(1.5V)	(0.75V)	(0.75V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51916	Synchronous Step-down Controller (D-CAP/D-CAP2 selectable), plus 3A Source/Sink Regulator
Multiple IC Solution (select multiple devices)	(1.5V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(1.5V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(1.5V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(1.5V)	-	-	4.5 to 14	2x2 SON	TPS56121	15A, Synchronous, Step-down Converter
	(1.5V)	-	-	4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(0.75V)	(0.75V)	2.2 to 5.5	SOIC-8	LP2998	0.5A Source/Sink Regulator (DDR3 support)
	-	(0.75V)	(0.75V)	1.1 to 3.5 (2.375 to 3.5)	3x3 SON	TPS51200	2A Source/Sink Regulator, suitable for servers
	-	(0.75V)	(0.75V)	(VTT + 0.4) to 3.5 (3.1 to 6.5)	2x2 SON	TPS51206	2A Source/Sink Regulator
	-	(0.75V)	(0.75V)		MSOP-10	TPS51100	3A Source/Sink Regulator, requires 5V bias
	-	(0.75V)	-	1 to 6 (4.5 to 6.5)	3.5x4 QFN	TPS53317	6A Synchronous, Step-down Converter, suitable for servers
	-	(0.75V)	-	1 to 16 (3 to 6)	TSSOP-14	LM2744	Synchronous Step-down Controller, suitable for servers

DDR3L Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution	(1.35V)	(0.675V)	(0.675V)	3 to 28	24VQFN	TPS59116	Complete DDR, DDR2, and DDR3 Memory Power Solution, Sync Buck Controller for Embedded Computing
	(1.35V)	(0.675V)	(0.675V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51216	Synchronous Step-down Controller (D-CAP™) plus 2A Source/Sink Regulator
	(1.35V)	(0.675V)	(0.675V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51716	Synchronous Step-down Controller (D-CAP2™) plus 2A Source/Sink Regulator
	(1.35V)	(0.675V)	(0.675V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51916	Synchronous Step-down Controller (D-CAP/D-CAP2 selectable), plus 3A Source/Sink Regulator
Multiple IC Solution (select multiple devices)	(1.35V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(1.35V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(1.35V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(1.35V)	-	-	4.5 to 14	2x2 SON	TPS56121	15A, Synchronous, Step-down Converter
	(1.35V)	-	-	4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(0.675V)	(0.675V)	1.1 to 3.5 (2.375 to 3.5)	3x3 SON	TPS51200	2A Source/Sink Regulator, suitable for servers
	-	(0.675V)	(0.675V)	(VTT + 0.4) to 3.5 (3.1 to 6.5)	2x2 SON	TPS51206	2A Source/Sink Regulator
	-	(0.675V)	-	1 to 6 (4.5 to 6.5)	3.5x4 QFN	TPS53317	6A Synchronous, Step-down Converter, suitable for servers

LP DDR3 Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution (except VPP)	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.75 to 5.5)	HTSSOP-20, 4x4 QFN	TPS51116	Synchronous Step-down Controller plus 3A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51216	Synchronous Step-down Controller (D-CAP™) plus 2A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51716	Synchronous Step-down Controller (D-CAP2™) plus 2A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51916	Synchronous Step-down Controller (D-CAP/D-CAP2 selectable), plus 3A Source/Sink Regulator
Multiple IC Solution (select multiple devices)	(1.2V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(1.2V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(1.2V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(1.2V)	-	-	4.5 to 14	22SON	TPS56121	15A, Synchronous, Step-down Converter
	(1.2V)	-	-	4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(0.6V)	(0.6V)	1.1 to 3.5 (2.375 to 3.5)	3x3 SON	TPS51200	2A Source/Sink Regulator, suitable for servers
	-	(0.6V)	(0.6V)	(VTT + 0.4) to 3.5 (3.1 to 6.5)	2x2 SON	TPS51206	2A Source/Sink Regulator
		(0.6V)	-	1 to 6 (4.5 to 6.5)	3.5x4 QFN	TPS53317	6A Synchronous, Step-down Converter, suitable for servers

DDR4 Power Management Solutions

	VDDQ	VTT	VTTREF	Input Voltage (V) (IC Bias Voltage)	Package	Part Number	Description
All-in-one Solution	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.75 to 5.25)	HTSSOP-20, 4x4 QFN	TPS51116	Synchronous Step-down Controller plus 3A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51216	Synchronous Step-down Controller (D-CAP™) plus 2A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51716	Synchronous Step-down Controller (D-CAP2™) plus 2A Source/Sink Regulator
	(1.2V)	(0.6V)	(0.6V)	3 to 28 (4.5 to 5.5)	3x3 QFN	TPS51916	Synchronous Step-down Controller (D-CAP/D-CAP2 selectable), plus 3A Source/Sink Regulator
Multiple IC Solution (select multiple devices)	(1.2V)	-	-	4.5 to 17	14QFN	TPS54320	3A Synchronous Step Down Converter
	(1.2V)	-	-	4.5 to 17	14QFN, 14VQFN	TPS54620	6A Synchronous Step-Down Converter
	(1.2V)	-	-	4.5 to 17	15VQFN	TPS54020	10A, Synchronous, Step-down Converter
	(1.2V)	-	-	4.5 to 14	22SON	TPS56121	15A, Synchronous, Step-down Converter
	(1.2V)	-	-	4.5 to 14	14QFN, 14VQFN	TPS56221	25A High Current Synchronous Step-Down Converter
	-	(0.6V)	(0.6V)	1.1 to 3.5 (2.375 to 3.5)	MSOP-10	TPS51200	2A Source/Sink Regulator, suitable for servers
	-	(0.6V)	(0.6V)	(VTT + 0.4) to 3.5 (3.1 to 6.5)	22SON	TPS51206	2A Source/Sink Regulator
		(0.6V)	-	1 to 6 (4.5 to 6.5)	SOIC-8, 4x4 QFN	TPS53317	6A Synchronous, Step-down Converter, suitable for servers

Power Rail

VDDQ

VTT

VTTREF

Description

Main power supply to the memory device

½ VDDQ: Termination voltage for command/address/data lines

½ VDDQ: Reference voltage for logic pins

TI's portfolio of Memory Interface solutions for DDR SDRAM offer innovative, efficient and affordable solutions for your specific DDR design.

Click on the generation of DDR you are designing with and choose your Memory Interface solution!

Interface

DDR
DDR2
DDR3
DDR4

Switches

DDR2
DDR3

DDR Interface Solutions

Part #	Outputs	Frequency	Jitter	Configuration	Prop Delay	Models
CDCVF855	5	220 MHz	±30ps	-	-	-
CDCVF857	10	220 MHz	±30ps	-	-	IBIS
SN74SSTVF16857	14	-	-	1:1 14-bit	2.6ns	IBIS and HSPICE
SN74SSTVF16859	26	-	-	1:2 13-bit	2.5ns	IBIS and HSPICE
SN74SSTVF32852	48	-	-	1:2 24-bit	2.6ns	IBIS and HSPICE

DDR2 Interface Solutions

Part #	Outputs	Frequency	Jitter	Configuration	Prop Delay	Models
CDCUA877	10	410MHz	±20ps	-	-	IBIS
CDCU2A877	10	220 MH410MHzz	±20ps	-	-	IBIS
SN74SSTUB32866	25	-	-	1:1 25-bit 1:2 14-bit	1ns	IBIS and HSPICE
74SSTUB32868A	56	-	-	1:2 28-bit	1ns	IBIS

DDR3 Interface Solutions

Part #	Outputs	Frequency	Jitter	Configuration	Prop Delay	Models
SN74SSQEC32882	52	1866MHz	±20ps	1:1 52-bit 1:2 26-bit	1ns	IBIS (under request)

DDR4 Interface Solutions

Part #	Outputs	Frequency	Jitter	Configuration	Prop Delay	Models
CAB4A	64	2400MHz	±20ps	1:2 32-bit	1ns	IBIS (under request)

DDR2 Switch Solutions

Part #	VCC	Icc	BW	Configuration	Prop Delay
TS2DDR2811	3 V to 3.6 V	250 µA	1 GHz	1:1 8 bit	40 ps

DDR3 Switch Solutions

Part #	VCC	Icc	BW	Configuration	Prop Delay
TS3DDR3812	3 V to 3.6 V	550 µA	1.9 GHz	1:2 12 bit	60 ps

TI's Analog DDR Solutions are supported through an array of technical resources, design tools and direct customer support.

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