summit programmable dc-dc summary 3-30-11 - … programmable dc-d… · summit programmable dc-dc...
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Summit Confidential 1
Summit ProgrammableDC-DC Power Managers
SMB10X/30XSMB20X/25X/ASMB21X/22X
Summit Confidential 2
Value Proposition
High Integration Cuts Component Count/Cost• Multiple outputs plus integrated power control cuts BoM• Brings Summit’s power control technology to low cost platforms
Digital Control + NV Config for Flexibility, Power Savings and Time-to-Market• Output sequencing, soft-start and UV/OV monitor + RESET• Static and Dynamic output voltage control plus margining• Status, fault and real-time voltage/current/power monitoring• Supports optimized development with latest CPU/ASIC/SoC’s
Fits any Application• One to eight outputs per IC for simple or complex power designs• Internal FETs (1A to 20A) or external FETs (5A to 60A+)• Programmable to tune, size, efficiency, performance• Ideal for embedded or modular designs
Summit Confidential 3
Product Selector TreeSummit Programmable Power Managers
2.7-6VINExt.FET
4.5-16VINExt. FET
4.5-16VINInt. FET
4.5V-28V inputExternal FET
3-4 Outputs2A to 10A+ 1 Output 1 Output 2/3 Outputs 3 Outputs 4-8 Outputs
SMB2143 x 2-10A
SMB1174 x 10A+
SMB1134 x 2A-5A
SMB2111 x 15A+
SMB2121 x 15A+
2 Outputs
SMB1062 x 20A+
SMB1032 x 7.5A+
SMB1083 x 20A+
SMB1073 x 7.5A+
SMB209/A1 x 4A
SMB210/A1 x 6A
SMB207/A1A/1A
SMB205/A1A/2A
SMB208/A2A/2A
<5A Output5A-10A Output10A-20A Output20A-30A Output
SMB206/A3A/3A
SMB1094/8 x 20A+
>30A Output
SMB2201 x 10A
SMB2211 x 20A
1 OutputMulti-Phase
SMB306*2 40A+
SMB3093 60A+
SMB250/A3A/3A
SMB253/A6A/1.5A
SMB251/A1 x 6A
SMB252/A3A/3A/1.5A
DC-DC for any applicationInternal or External FET’s
1A to 60A+
Summit Confidential 4
System Block Diagrams (External FET)
Quad /Octal
Triple
DualChipset/ASIC
DDR RAM
AGP Gfx
SMB109
I2C/SMBus
Step-Down 1ext. FET
SystemControl
andMonitoring
StatusOutputs
ControlInputs
0.5V-5V(Prog.)20A+
DDR VDD
+4.5V to +28VVIN
Step-Down 2ext. FET
0.5V-5V(Prog.)20A+
GPU
Step-Down 0ext. FET
0.5V-5V(Prog.)20A+
DDR VTT
LDOext. FET
0.5V-5V(Prog.)
5A+
Gfx DDR
Input PowerMonitor
I/O
Core
Load SwitchController 0
Gfx VTT
Load SwitchController 1
Load SwitchController 2
Load SwitchController 3
Memory/IF
SMB108/107
I2C/SMBus
Step-Down 1ext. FET
SystemControl
andMonitoringStatus
Outputs
ControlInputs
0.5V-5V(Prog.)
20/7.5A+DDR VDD
+4.5V to +28VVIN
Step-Down 2ext. FET
0.5V-5V(Prog.)
20/7.5A+Chipset/SoC
Step-Down 0ext. FET
0.5V-5V(Prog.)
20/7.5A+CPU
SMB106/103
I2C/SMBus
Step-Down 1ext. FET
SystemControl
andMonitoring
StatusOutputs
ControlInputs
0.5V-5V(Prog.)
20/7.5A+DDR VDD
+4.5V to +28VVIN
Step-Down 0ext. FET
0.5V-5V(Prog.)
20/7.5A+CPU
Summit Confidential 5
System Block Diagrams (External FET)
Single 2
Single 3 + Quad
Single 1
System/Chipset
CPU/ASICSMB309
I2C/SMBus
SystemControl
andMonitoring
Status Outputs
Control Inputs
Core
+4.5V to +28VVIN
Step-Downext. FET
0.5V-5V (Prog.) 60A+
I/O
Input PowerMonitor
DDR
GPU
Load SwitchController 0
Load SwitchController 1
Load SwitchController 2
Load SwitchController 3
Chipset
1.25V1.0V
3.3V1.8V
LDOext. FET
0.5V-5V (Prog.) 5A+
I/O
CPU/ASICSMB306
I2C/SMBus SystemControl
andMonitoringStatus
Outputs
ControlInputs
Core+4.5V to +28VVIN
Step-Downext. FET
0.5V-5V(Prog.)40A+
Input PowerMonitor
SMB211/212
I2C/SMBus(PMBus) System
Controland
MonitoringStatus/Alert Outputs
EN/Control Input
+4.5V to +13.5VVIN
Step-Downext. FET
0.5V-5V (Prog.)20A+
ASIC/CPU/SoC
Summit Confidential 6
System Block Diagrams (Internal FET)
CPU/SoC
SMB209/10/A
SystemControl
andMonitoringPGOOD/RESET Output
Enable Input
+4.5V to +16VDC IN
Step-Downint. FET
0.8V-5.0V (Prog.)4A-6A
I2C I/F
SMB209 - 4ASMB210 - 6A
Memory
CPU/SoC
SMB205/6/7/8/A
Step-Down 1int. FET
SystemControl
andMonitoringPGOOD/RESET Output
Enable Inputs
+4.5V to +16VDC IN
Step-Down 0int. FET
0.8V-5.0V (Prog.)up to 1A-3A
0.8V-5.0V (Prog.)up to 1A-3A
I2C I/F
SMB205 - 1A+2ASMB206 - 3A+3ASMB207 - 1A+1ASMB208 - 2A+2A
Dua
l A
sync
Sing
leA
sync
Sing
le S
ync
ASIC/SoC
SMB220/221
SystemControl
andMonitoring
PGOOD/RESET
Enable
+4.5V to +13.5VDC IN Step-Down
int. FET0.5V-5.0V (Prog.)
10A/20AI2C/SMBus I/F
ASIC/SoC
SMB251/A
SystemControl
andMonitoringPGOOD/RESET Output
Enable Input
+4.5V to +16VDC IN
Step-Downint. FET
0.8V-5.0V (Prog.)6A
I2C I/F
Memory
CPU
SMB250/A
Step-Down 1int. FET
SystemControl
andMonitoringPGOOD/RESET Output
Enable Inputs
+4.5V to +16VDC IN Step-Down 0
int. FET
0.8V-5.0V (Prog.)up to 3A
0.8V-5.0V (Prog.)up to 3A
I2C I/F
Dua
l Sy
nc
DDR Memory
SMB253/A
SystemControl
andMonitoringPGOOD/RESET Output
Enable Input
+4.5V to +16VDC IN
Step-Downint. FET
0.8V-5.0V (Prog.)6A
I2C I/F
Vtt LDOint. FET
0.5 * VOUT1up to 1.5A
Sing
le/D
ual
Sync
+D
DR
DDR Memory
CPU
SMB252/A
Step-Down 1int. FET
SystemControl
andMonitoringPGOOD/RESET Output
Enable Inputs
+4.5V to +16VDC IN Step-Down 0
int. FET
0.8V-5.0V (Prog.)up to 3A
0.8V-5.0V (Prog.)up to 3A
I2C I/F
Vtt LDOint. FET
0.5 * VOUT1up to 1.5A
Sing
le S
ync
+ D
DR
Summit Confidential 7
AC-DC Adapter85-270VAC IN
14V-24VDC OUT (3-10A)
Battery Charger
Battery 2S, 3S, 4S Li-Ion
6.6V-16.8V OUT
MU
X (P
ower S
witches)
CPU Reg. (IMVP6)
Dual Chipset Reg
Dual DDR Reg
5V BUS (3A)
3.3V BUS (1A)
1.8V BUS (16A)
0.9V BUS (6A)
1.25V BUS (3A)
1.05V BUS (12-20A)
Single Chipset Reg
Dual AGP Reg
Pentium-MCPU
DDR RAM
AGP Gfx Card
MCH965PM/GM
ICH8
1.05V @ 4.3/12.2A
1.5V @ 1.9A
VCCcore 0.7V-1.3V @ 44A
VDDq 1.8V @ 12A
Vtt 0.9V @ 3A
1.8V @ 3.8A
1.5V @ 125mA
Vgddr 1.8V@ 4A
Vgcore 0.8V-1.2V @ 20A
VCCgtl 1.05V @ 5A
VCCpll 1.5V @ 130mA
3.3V @ 350mA
1.05V @ 1.2A
1.25V @ 50mA
GPU
DDR
3.3V @ 700mA
5.0V @ 2mA
1.25V @ 2.7A
Vtt 0.9V @ 3A
MAINPOW ER6.6V-24V
1.5V BUS (2A)
Dual Aux Reg
External Seq PFETs(controlled by MCU GPIO)
LDO
LDO
LDO
LDO
0.8V-1.2V BUS (20A)
1.8V BUS (4A)
LDO
Typical Notebook Power Architecture
High Cost - $7.00- $8.00 BOM
Many Disparate Power IC’s
Big PCB Footprint
Complex Power Control• At least ten power IC’s
• Needs External uC/software – requires many GPIO pins/PCB traces
Summit Confidential 8
AC-DC Adapter85-270VAC IN
14V-24VDC OUT (3-10A)
SMB330Programmable Battery
Charger
Battery 2S, 3S, 4S Li-Ion
6.6V-16.8V OUT
MAINPOW ER6.6V-24V
Pentium-MCPU
DDR RAM
AGP Gfx Card
MCH965PM/GM
ICH8
1.05V @ 4.3/12.2A
1.5V @ 1.9A
1.05V BUS (12-20A)
VCCcore 0.7V-1.3V @ 44A
0.9V BUS (6A)
Vddq 1.8V @ 12A
Vtt 0.9V @ 3A
1.5V BUS (2A) LDO
1.8V @ 3.8A
1.5V @ 125mA
Vddq 1.8V@ 4A
Vgcore 0.8V-1.2V @20A
VCCgtl 1.05V @ 5A
VCCpll 1.5V @ 130mA
3.3V @ 350mA
1.05V @ 1.2A
1.25V @ 50mA
GPU
DDR
3.3V BUS (1A) LDO
5V BUS (3A)
SMB109
CPU Reg. (IMVP6)PW M + FETs
SMB109
0.8V-1.2V (20A)
1.25V BUS (3A)
MU
X (P
ower S
witches)
3.3V @ 700mA
5.0V @ 2mA
1.25V @ 2.7A
Vtt 0.9V @ 3A
1.8V BUS (20A)
External Seq NFETs(controlled by SMB109)
Summit-Powered Notebook PC
Total system efficiency >90%
<1400mm2 (2.2in2) PCB area
• Low Cost - ~$5.00 BOM• Two Integrated IC’s replaces
ten+• Smaller PCB Area• 20% Fewer components• Easy Power Control
• I2C interface• Global RESET Control• Enable/Disable• Sequencing• Dynamic output voltage• Monitoring/Reporting
Summit Confidential 9
Typical Efficiency
VIN=12V
Summit Confidential 10
Sequencing/Dynamic Voltage
VOLTAGE(Volts)
TimeSeq/SSPosition 1
3.3V
1.2V
1.8V
2.5V
PROGRAMMABLEINDEPENDENT SLEW
RATES FOR EACHPWM /LDO CHANNEL
VOUT0
EXTSEQ2VOUT2
VOUT1
EXTSEQ0
EXTSEQ1
SINGLE PROGRAMMABLESLEW RATE FOR EXTSEQ
OUTPUTS PER EACHSEQUENCE POSITION
Power OnDelay
EXTSEQ3
VOUTLDO
Seq./SSPosition 2
Power OnDelay
Seq./SSPosition 3
Seamlessly integrated power control
-Software enable/disable- Automatic sequencing- Softstart/Slew Rate
Summit Confidential 11
Programming GUI
Develop an entire multi-output power supply in minutes with easy-to-use
GUI tool
Summit Confidential 12
SMB20X Typical Application
SMB205/6/7/8/A
GND
PVIN(4)
EN0
PGOOD/RESET
+4.5V to +16V
VDD
10/22uF
+0.8V to +5V @ 1A-3A
1uF
2.2uH-6.8uHSW0(2)
FB0
EN1 +0.8V to +5V @ 1A-3A2.2uH-6.8uH
SW1(2)
FB1
SCL
SDA
BST0
BST1
Internal5V LDO
UVLO
PWM
PWM
I2C I/F
DigitalControl
NV OTP
Oscillator
01
OutputVoltage
Sequencer
Softstart
Vref
1A-3A
1A-3A
AVIN
1-3 x 22uF
1-3 x 22uF
SMB205 - 1A+2ASMB206 - 3A+3ASMB207 - 1A+1ASMB208 - 2A+2A
Ultra-compact dual integrated programmable
DC-DC
Summit Confidential 13
SMB20X Solution Size
Actual 2-layer PCB Front/BackTypically <100mm2
12mm
Ultra-compact dual integrated programmable
DC-DC
Summit Confidential 14
SMB109VIN
SHDN#
SDA
SCL
RESET
+4.5 to +28V
VDD5
10uF
1uF DRVH0/1/2
DRVL0/1/2
SW 0/1/2
COMP0/1/2
EXTSEQ0/1/2/3
FB0/1/2
CP+
CP-
1uF
CPOUT1uF
CSH0/1/2PGND0/1/2/3
10m (optional)
CSIN
EN0/PW RON
EN1
EN2/VTTFB
ENLDO
PGOOD
SEQFB0/1/2/3
CSL0/1/2
VCC5
For VIN<5.5V
1uF
VDD5A/B
AGND (PAD)
5m
8m0.1uF
1uH3m
For >2.5VOutput
22uFx 10
22uFx 5
LDODRV
LDOFB
LDO Output+0.5V to +5V @ 5A
47uF
3 x Main Outputs+0.5V to +5V @ 25A
3 x DC-DC outputs
4 x Load SwitchOutputs
BST0/1/2
1uF
SMB10X DC-DC + Switched Load Outputs
Main DC-DC outputs
Switched LoadOutputs
eight full-loop, controlled domain
outputs for the “price” of four
LDO Output
Summit Confidential 15
SMB109 Power Monitoring
SMB109VIN
VDD5
10uF
1uF DRV
10m (optional)
CSINV
BST
Input Sense ResistorDigitized current and voltage information 8-
bit ADC
Summit Confidential 16
SMB10X DDR VDDQ/VTT Application
S
SCL
EXTSEQ0
EXTSEQ1
EXTSEQ2
EXTSEQ3LDODRV
EN0/PWRON
EN1
ENLDO
SEQFB0
SEQFB1
4m
8m 1uH3m
DRVH1
DRVL1
SW1
BST10.1uF
47uFx 5
COMP1
FB1
CSH1 For >2.5VOutput
CSL1
PGND1
VTT (VDDQ/2)@ up to 3A
40m
40m4.7uH15m
DRVH2
DRVL2
SW2
BST20.1uF
47uFx 2
COMP2
FB2
CSH2
CSL2
PGND2
VIN (+4.5V to +28V)
Typically from CH0
VDDQ (typ +2.5/1.8/1.5V) @ 20A
VDDQ output
Vtt tracking output
Complete DDR1/2/3 Power
Summit Confidential 17
Applications
SMB21X/22X• Set-top Boxes• Digital TV• Routers/Switches• Storage Equipment• POL Modules• Graphic Cards• Enterprise Printers
SMB205/6/7/8/9/10/A• Digital TVs• Set-top Boxes• Cable/DSL Modems• Disk Drives• Consumer Printers• Wireless Routers• SOHO
SMB109/309• Note/Netbooks• Servers• Desktops• Datacom• Game Consoles
SMB108/106/306• Routers• Switches• Servers• Graphics Cards• Storage Networks
SMB107/103• Set-top Boxes• Digital TV• Enterprise/SoHo
Comms• Enterprise
Printers• Embedded PCs
Summit Confidential 18
Product Selector GuideSMB309/6 SMB109 SMB108/7 SMB106/3 SMB205/6/7/8/A SMB209/10/A SMB220/1 SMB211/2 SMB113/4/7 SMB214
Input Voltage Range (V) 4.5 to 28 4.5 to 28 4.5 to 28 4.5 to 28 4.5 to 16 4.5 to 16 4.5 to 13.5 4.5 to 13.5 2.7 to 6.0** 2.7 to 6.0**
# of Outputs 6/1 8 3 2 2 1 1 1 4 3
# of Buck Outputs 1/1 3 3 2 2 1 1 1 4 3
# of LDO Outputs 1/0 1 0 0 0 0 0 0 0 0
# of Load Switch Outputs 4/0 4 0 0 0 0 0 0 0 0
Output Current (A) >60/>40 >20 >20/>7.5 >20/>7.5 1A-3A 4/6 10/20 >20 >2/>5/>10 >5
Control Mode Current Current Current Current Current Current Current Current Voltage Voltage
Switching Frequency (kHz) 300-1200 300-1200 300-1200 300-1200 500/1000 500/1000 250-1000 250-1000 400/800/1000 400/800/1000
Output Voltage Range (V) 0.5-5.0 (Prog)* 0.5-5.0 (Prog)* 0.5-5.0 (Prog)* 0.5-5.0 (Prog)* 0.8-5.0 (Prog)* 0.8-5.0 (Prog)* 0.5-5.0 (Prog)* 0.5-5.0 (Prog)* 0.5-VIN (Prog) 0.5-VIN (Prog)
Output Voltage Accuracy (%) 1 1 1 1 2.5 2.5 1 1 1.5/2.5 2.5
Internal/External FETs External External External External Internal Internal Internal External External External
Output FET Configuration N-N boot N-N boot N-N boot N-N boot N-boot N-boot N-N boot N-N boot P-N P-N
Synchronous/Asynchronous Sync Sync Sync Sync Async Async Sync Sync Both Both
Sequencing Prog Prog Prog Prog Prog Prog Prog Prog Prog Prog
Soft-start Prog Prog Prog Prog Prog Prog Prog Prog Prog Prog
OC Limit Prog Prog Prog Prog Prog Prog
Frequency Compensation External External External External Internal Internal External External External External
Static Output Voltage Prog
Dynamic Output Voltage
Fine Step Voltage Margining ("A" only) ("A" only)
Output UV/OV Monitor Prog Prog Prog Prog Prog Prog Prog Prog
RESET/POWER GOOD Output
Input Current/Voltage Monitor
PWM/PFM Light Load
Phase Interleaving (deg) 120 120 120 120 180 N/A N/A N/A 180 180
DDR VDDQ/VTT Termination
I2C/SMBus Interface
Package TBD 7x7 QFN-56 7x7 QFN-56 5x5 QFN-32 3x3 QFN-20 TSSOP-24
3x3 QFN-20 TSSOP-24 5x6 QFN-14 3x3 QFN-20 5x5 QFN-32 5x5 QFN-32
Summit Confidential 19
Schedule
Product(s) Samples/Ev ProductionSMB211/212 Available AvailableSMB205/207/208/209 Available AvailableSMB210/206 Available May’11SMB109 Available Jun’11SMB108/107 Available Jun’11SMB106/103 Available Jun’11SMB309 Available Q3’11SMB220/221 Jun’11 Q3’11SMB251/2/3 Sep’11 Q4’11