Power Management

1
Power Management
Vipin Bothra Market Development
Engineer vipin.bothra_at_st.com 781-402-8559

2
Presentation Structure

• Technical Support Product divisions
  introduction.
• ST Product offering for different blocks of the
  Power Supply.
• Product-Application cross reference
• List Part numbers of evaluation boards.

3
Technical Support Product divisions
introduction.
4
Technical support Cross Matrix
5
Products Divisions at a Glance
Products
Product Division
6
ST Product offering for different blocks of the
Power Supply.
7
Power Supply/Management Applications in

• Small Offline Power Supplys
• Needs Easy to design reliable switchers.
• Battery powered applications
• Needs ultra low consumption buck/boost regulators
• Power switches, small P-channel N-channel
  Mosfets
• Linear regulators with special functions
• Battery Chargers in Emergency/Security
  applications, UPS etc
• Needs constant current switchers
• Offline power supplys
• Linear regulators
• DC Input(From a adapter) based application
• Switching Linear regulators
• Power Factor correction
• Needs Highly efficient Mosfets Rectifiers.

8
Power Supplys-Blocks
Secondary side
Primary side
Diode
PFC
Controller
Transistor
9
Primary side
PFC
STBRxxx Bridge rectifiers DiodeSCR combinations
for very high power
L4981A/B
Input Power Conditioning
Turboswitch
L6561
Bridge
STTA series
PFC
Rectifier
STTH806TTI (Tandem diode
)
Transformer
PFC
STTH1506TPI STTHxxRxx (TurboII)
Controller
EMI
Filter
AC
Diode
Transformer
Diode
Mosfet/Triac
Snubber - STTB series
Demagnetization - BYT series
High Voltage MOSFET
Switcher
Freewheel - STTA series
STxxNBxx (NB/NM series)
STxxNMxx (MDmesh) STxxNKxx (Powermesh)
Transistor
High Side/Low Side Drivers for Half Bridge/Full
Bridge PS L638x
IRFxxx
Ofline
PWM
Linear
Regulator
Controller
VIPerXXX L6590
VB408
Standby/Auxillary
VB409
Standby/Auxillary
Transformer
UC284X/UC384x
Switcher
L599X/L499X
Transistor
L6565
L6598
Transformer
PWM
Diode
Controller
VIPerXXX TSM007
10
Secondary Side
Synch Rect Drivers STSRX
Synchronous
Rectifier
r
Controlle
Low Voltage MOSFET NH Series NF Series New
Copper Clip Package New Power SO-8 Package
Regulator
Linear/Switching
DC
Voltage
Regulator
Rectifier
Power Schottky (lt20V)
STPS series
Low Voltage Ultrafast (gt20)
STPR series
BYW series
Op
TL431
Amp
TSxxxx
TSMxxx
LMxxx
Vref
11
Isolated DC-DC, Half Bridge/Full Bridge
Synch Rect Drivers STSRX
Synchronous
Rectifier
r
Controlle
Primary Switcher
Transformer
Input Control
DC
High
Side
PWM
DC LINE
Low
Rectifier
Transformer
Side
Diode
Drivers
Half/Full Bridge
Power Supply
Power Schottky (lt20V)
UC284X/UC384x
STPS series
High Side/Low Side Drivers for Half Bridge/Full
Bridge PS L638x
L599X/L499X L6598 TSM007
Low Voltage Ultrafast (gt20)
Low Voltage MOSFET NH Series NF Series New
Copper Clip Package New Power SO-8 Package
STPR series
BYW series
12
Voltage Regulators
13
Linear Voltage Regulators
14
Switching Voltage Regulators - 1
Switching Regulators
Diode
Charge Pumps DC-DC Converters
15
Synchronous Rectification ICs
Isolated Topologies
Non Isolated Motherboard/Point-of-load
Applications
16
Linear and Switching Regulators Portfolio (DSG)
17
Power Management IC Products (TPA)
Off-line PWM Controllers
Linear Regulators
DC-DC Switching
L6902 ( 1A constant current)
L4987
Current Mode
Step-down
High Current ULDO
UC3842/3/4/5 Family
L496x ( First gen. Buck converters )
L4957Ax -gt 5A o/p, 0.6v Vd _at_ 2A
UC3842A
L497x ( 4.4V- 55V input, 1A-10A output)
-gt 3v to 14v input
UC3842B
L597x ( 4.4V- 36V input, 1A-1.5A output)
-gt 1.5,1.8,2.5,3.3 volt fixed o/p
L6610 (Programmable feedback IC) L6615 (Load
Share Controller)
L5991/L5991A
Step-up
L4987
Many additional features compared to UC3842
High Performance ULDO
L6920 ( 0.6v-5.5v input, 2v-5.2v output)
Voltage Mode
L6932 -gt 2A o/p, 160mV Vd _at_ 2A
-gt 3v to 14v input
SG3524/SG3525
Synchronous Rectifier Controllers/Drivers
-gt 1.8v, 2.5v fixed o/p
Integrated Off-Line Power Supplies
-gt 1.2v to Vin Adj. o/p
Resonant Mode
Single Phase
Fully Integrated Power Supply (FIPS)
L6598 (Full Resonant)
L6565 (Quasi- Resonant)
L6910 ( Adjustable DDR Applications)
L6911C/E/D ( w/ 5-bit DAC, VRM8.4/8.5/9.0)
L6590 ( 10w_at_110v, 20w_at_220v)
PFC
Multiphase
L4981 (up to 3kW, universal input)
L6917B ( w/ 5-bit DAC, 2-ph, VRM9.0,8.5)
L4981A - Fixed Freq. L4981B Variable Freq.
L6918/19 ( w/ 5-bit DAC, 4-8 phase, VRM9.0,9.1)
L6561 (up to 150W, universal input)
Mobile Applications
Primarily used in Fluorescent lamp Ballast low
power off-line flyback
L6995 ( w/o DAC)
L6995 ( with 5-bit DAC, ARM 9.0 ) L6997 (3.3V
input capability)
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Strengths
100 volt schottekys Turbo rectfiers best
performance for high voltage o/ps
500V 600V Mdmesh Mosfets
Synchronous
Rectifier
TurboII Rectifiers for PFC
r
Controlle
Input Power Conditioning
Regulator
Bridge
PFC/AVS
Linear/Switching
Transformer
Rectifier
PFC/AVS
DC
Controller
Voltage
EMI
Regulator
Filter
AC
Diode
Buck Switchers
Rectifier
Transformer
Power Schottekys for high current outputs
Diode
Mosfet/Triac
Switcher
Resonant/Quasi resonant and Fixed Freq
controllers for Main Stream Power
Supply Applications
Transistor
OPTO
Op
PWM
Coupler
Amp
Feedback
Controller
Vref
Standby/Auxillary
Standby/Auxillary
Transformer
Switcher
VIPer series products the new Design Software
Standby/Auxillary
Transistor
DC Output
Transformer
PWM
Diode
Controller
19
Roadmap
20 30V Mosfets for Synchronous rectification
VRM applications
Expansion of 500V 600V Mdmesh Mosfets for high
Power PFC applications
Synchronous
Rectifier
Bridge Rectifiers for lt500W Powe r Supplys
r
Controlle
Input Power Conditioning
Regulator
Bridge
PFC/AVS
Linear/Switching
Transformer
Rectifier
PFC/AVS
DC
Controller
Voltage
EMI
Regulator
Filter
AC
Diode
Rectifier
Transformer
Diode
VRM Controller Ics for Motherboard Pentium type
applications
Mosfet/Triac
Switcher
Transistor
OPTO
Op
PWM
Coupler
Amp
Feedback
Controller
Vref
Standby/Auxillary
Standby/Auxillary
Transformer
Switcher
VIPer with Lower Rdson Mosfets
Standby/Auxillary
Transistor
DC Output
Transformer
PWM
Diode
Controller
20
STs strenghts in Power Supply/Mgmt Applications

• Small Offline Power Supplys
• Monolithic products like VIPer FIPS

• Battery Chargers/Management
• Stnadard Linear combination products (TSMxxx
  series)
• Boost/Buck conveters from TPA/DSG for Battery
  based applications
• P-channel Mosfets from DSG
• Battery Charger Ics from TPA DSG

• Onboard voltage regulation
• Buck Controllers from TPA
• Charge pumps Industry standard switchers from
  DSG
• Linear regulators from DSG

• UPS
• 55V/60V Mosfets
• Voltage Mode controllers from TPA
• Rectifiers

• High Power Offline Power Supplys
• Mdmesh NB series Mosfets
• Power Schottekys
• Turbo series rectifiers for high o/p voltages

• Power Factor Correction
• Mdmesh Mosfets
• Turbo series Rectifiers
• PFC Controllers

• Offline Linear/Switching regulators
• VIPower High Voltage Linear reulators
• VIPer switching buck regulators

21
Product-Application cross reference
22
Application-Products Reference table-1
Page 1 of 2
Application
Products
UC384x- General purpose PWM
Power Supply Controllers
L5991 - Highly integrated PWM controller
L6565 - Quasi-resonant mode
L6598 - Half-bridge resonant mode
VIPerxxx - 5w to 100w power supplys
Smart Power devices
L6590x - 15w offline power supply
VB409- high voltage linear regulatots for
Off-line applications.
High voltage linear regulators
VB408- high voltage linear regulatots for
Off-line applications.
STBRxxx- Indusry standard bridge rectifiers
Input Bridge rectification
MDSxxx - very high current, diodeSCR bridge
L638x - 600V half bridge drivers
Half Bridge Drivers
L6601 - VRM / Low voltage applications.
PB137 - 13.7 V Linear reg
Linear regulators
STILxxx - Dual tripple linear regulators
L6932 - 2A LDO in SO-8 package.
Oring/Load share applications
L6615 - Load share controller
L6610 - Programmable multi function feedback IC
for multiple o/p power
Secondary feedback IC
supplys
TSM11x - Multi function feedback IC for multiple
o/p power supplys
TSM121 - Multi function feedback IC with PWM
controller
TLx431 - 2.5 V programmable shunt reference
Voltage references
LM404xx - Fixed voltage reference.
TSxx31 - 1.2xx programmable, micro-power shunt
references.
23
Application-Products Reference table-2
Page 2 of 2
24
ST Power Supply Controllers
25
OFF-Line Linear Regulators
26
ST BRIDGE PRODUCT OFFERING
4/6A 600/800V available now Market High Runner
27
High Voltage Drivers
28
Linear and Switching Regulators Portfolio (DSG)
29
General Purpose Voltage References
New General Purpose Voltage References to come
30
100ppm/C
50ppm/C
50ppm/C
150ppm/C
100ppm/C
150ppm/C
TS3431 M/P Q2 2003 TS432 M/P Q4 02 / Q1 03
31
Micropower table Voltage References
New Micropower Voltage References to come
32
L5970D Main Features
L5970D 1A output DC current 1.5A internal
PMOS 4.4V to 36V input voltage Rsw250mW
typ. adjustable from 1.25V 250kHz internally
fixed frequency 3.3V reference available Inhibit
for zero current consumption Internal current
limiting Protection against feedback
disconnection Thermal shutdown and
Synchronization S08
33
L5972D Main Features
L5972D 1.5A output DC current 2A internal
PMOS 4.4V to 36V input voltage Rsw250mW
typ. adjustable from 1.25V 250kHz internally
fixed frequency Internal current
limiting Protection against feedback
disconnection Thermal shutdown S0422
34
L6902D Main Features
L6902D 1A output DC current 1.5A internal PMOS 8V
to 36V input voltage Rsw250mW typ. adjustable
from 1.25V 250kHz internally fixed
frequency Adjustable current limiting 5 output
current accuracy Protection against feedback
disconnection Thermal shutdown S08
35
L6920Main Features Promotional Tools
L6920 0.9V to 5.5V operating supply
voltage Internal synchronous rectifier 1A peak
current 100nA shutdown current 10uA quiescent
current 2V to 5.5V adjustable output
voltage 150mohm internal mosfet Synchronous
rectification Low battery voltage detection Zero
current reverse battery protection TSSOP8 Package
36
L6925 Main Features
L6925 600mA output DC current 3V to 5.5V
operating input voltage Adjustable output voltage
from 0.6V Internal synchronous switch Up to 95
Efficiency Current-Mode Control Up to 100 Duty
Cycle Externally Synchronizable from 500KHz to
1.4MHz Low noise/Low consumption Mode
Selectable LBI/LBO Function Overvoltage
Protection Shortcircuit Protection MSOP8
37
Standard Controllers Desktop and Server
Adjustable Step Down Controller

• 5V-12V Input Range
• Adjustable Output Down to 0.9V
• Available 0.9V_at_1 Reference
• External Reference Set Up Option
• PGOOD Output, OVP, OCP
• Operating Frequency 50KHz to 1MHz
• Disable Function
• Ideal for Memory Rails Generation
• SOIC16 Narrow

L6910
ExtVref
5 Bit Programmable Step Down Controller

• 5V-12V Input Range
• Internal DAC VRM 8.4 Compliant
• PGOOD Output, OVP, OCP
• Operating Frequency 50KHz to 1MHz
• Disable Function
• SOIC16 Narrow

L6911C
5 Bit Programmable Step Down Controller

• 5V-12V Input Range
• Internal DAC VRM 8.5 Compliant
• PGOOD Output, OVP, OCP
• Operating Frequency 50KHz to 1MHz
• Disable Function
• SOIC16 Narrow

L6911E
38
Multiphase Controllers
5 Bit Programmable Multiphase Controller

• 2 Phase Operation with Synchronous Rectification
  Control
• Integrated High Current Drivers
• 5 Bit Programmable Output (VRM9.0 and VRM8.5)
• 0.8 Internal Reference Accuracy
• 10 Active Current Sharing Accuracy
• Digital 2048 Step Soft-Start
• Overvoltage Protection
• OCP with Either Lower Mosfet RDSon or External
  Sense Resistor
• PGOOD Output and Disable Function
• Operating Frequency up to 1MHz
• Remote Sense Buffer

L6917 or L6917A
5 Bit Programmable Master/Slave Multiphase
Controller
L6918A

• Multiphase Operation with Master Control (4 or 6
  Phase)
• 2 Phase Operation with Slave Control (Adj.
  Output)
• Integrated High Current Drivers
• 5 Bit Programmable Output (VRM9.0)
• 1 Internal Reference Accuracy
• 10 Active Current Sharing Accuracy
• Digital 2048 Step Soft-Start
• Overvoltage Protection
• OCP with Either Lower Mosfet RDSon or External
  Sense Resistor
• PGOOD Output and Disable Function
• Operating Frequency up to 1MHz
• Remote Sense Buffer

L6918
39
Standard Controllers Mobile PCs
High Performance Adjustable Step Down Controller
for Mobile CPU

• Battery Input Range from 1.75V to 28V
• Adjustable Output Down to 1V
• 1 Output Accuracy Over Line and Load
• Feedforward Fixed ON Time Control
• Remote Sensing with Integrator Network
• 7uA Shut Down Current
• PGOOD and OVP Output
• OVP, OC Protection
• Operating Frequency up to 1MHz
• Disable Function and Pulse Skip Mode
• TSSOP20 Package

VBatt
High Performance Dynamically Programmable Step
Down Controller for Mobile CPU
5V

DVref.
RIlim

• Battery Input Range from 1.75V to 28V
• Dynamically Programmable Output (Internal DAC)
• 1 Output Accuracy Over Line and Load
• Integrated High Current Drivers
• 7uA Shut Down Current
• PGOOD and Smart OVP Output
• OVP, OC Protection
• Operating Frequency up to 1MHz
• 1.5mOhm Typ Sense Resistor for Voltage
  Positioning
• Disable Function and Pulse Skip Mode
• TSSOP24 Package

Vout
Css
L699X
OVP
Volt Posit.
PGood
VID04
40

• PFC
• L6561 vs. L6560 Competitors

L6561
L6560
MC34262
TDA4862
SG3561A
UC3852
OVP on-chip
YES
YES
YES
YES
NO
NO
Disable Function
YES
NO.
NO
NO
NO
NO
Start-up current (max)
90 µA
500 µA
500 µA
200 µA
500 µA
500 µA
Operating current (max)
5 mA
4 mA
20 mA
10 mA
15 mA
10 mA (typ)
Current sense filter
on-chip
not av.
on-chip
on-chip
not av.
not av.
Feedback prec. (Tj25C)
1
1.6
1.4
1.4
1.5
8 (tot.)
Turn-on/off thresholds
12/9.6 V
14/10 V
13/8 V
11/8.5 V
10/8 V
16.3/11.5
41
L4981 VS COMPETITION

L4981
UC3854
ML4821
OCP
ON CHIP
ON CHIP
ON CHIP
OVP
ON CHIP
N.A.
ON CHIP
UVLO PROGRAM
ON CHIP
FIXED
FIXED
OPERATING MODE
CONTINUOUS
CONTINUOUS
CONTINUOUS
START UP CURRENT
1mA
2mA
1.2mA
DYNAMIC OPERATING CURRENT
12mA
16mA
32mA
SYNCHRONOUS PIN
ON CHIP (A)
N.A
N.A
FREQUENCY MODULATION
ON CHIP (B)
N.A.
N.A.
LOAD FEED FORWARD
ON CHIP
N.A.
N.A.
GATE DRIVE CURRENT
gt1.5A
1A
1A
VOLTAGE FEEDBACK (Tamb 25 C)
5.1 /-2
7.5 /-1.33
5.1 /-1
0
42
VIPerXX0 THE OFFLINE SMART SWITCHER

• Features
• Stand-by condition able to meet BLUE ANGEL Norm
  with Automatic Burst Mode Operation
• Adjustable Switching Frequency up to 200 KHz
• Over temperature Protection
• Integrated Start-up Supply
• Soft start and Shut down Control
• Low Stand-by Current
• Adjustable Current Limitation
• PWM Driver Current Mode Control

43
List Part numbers of evaluation boards
44
Power Management Products Evaluation Boards-1
45
Power Management Products Evaluation Boards-2
46
Power Management Products Evaluation Boards-3
47
Motor Control Products Evaluation Boards-4
48
Lighting Products Evaluation Boards -5