Point-of-Load Power Management Solutions Low Power DC-DC Converters. TI Information Selective Disclosure

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1 Point-of-Load Power Management Solutions Low Power DC-DC Converters

2 Low Power DCDC presence in the market Palm Pixi Plus: TPS62611 HTC HD2 T8585 & HTC Touch Pro2 T7373: TPS6116x Nokia X6 TPS62621 Blackberry Bold: TPS61050 Motorola Droid: TPS62611 PowerMat: TPS61175 Blackberry Playbook Samsung Galaxi spica: TPS61611 Amazon e-book TPS62240 Main PCB 2 Apple: TPS touch sub-systems TPS mother board & camara subsystem Apple: TPS62260 TPS62290 Both devices through Samsung display.

3 Customer s care about technology drivers for portable applications Solution size - Smaller Efficiency - Higher Extends operation time Reduces overall system temperature Standby time - Longer Lower quiescent current, Snooze Mode Solution cost - Lower EMI Lower No need for filtering TI 3Information Selective Disclosure

4 Innovation Tiny step down converter Higher performance Smaller solution size TPS62230 Small 1x1.5 QFN TPS62620 Smaller 0.92x1.3 WCSP TPS82671SIP Smaller 2.9x2.3 BGA 4

5 Typical System Block Diagram

6 Technology Drivers for Portable Devices Smaller solution size / higher power density Higher efficiency Extends operation time of application Reduces overall system temperature Longer operating and stand-by time Active communication with application, e.g. DVS Lower quiescent current, Snooze Mode Lower solution cost Less external components Smaller external components Lower EMI and system noise No need for filtering Supporting audio, optical and RF systems

7 DCS-Control TM Direct Control with Seamless transition into Power Save Mode Direct Control fast AND accurate Seamless transition preventing transients

8 DCS Control - Stands for High efficiency over the entire load current range Fastest load transient response Seamless transition into Power Save Mode Stable over a large range of output capacitance typ 10uF to 100uF 8

9 DCS-Control TM Advanced Regulation Topology (Cont d) TPS62230 (Vin=6V with 500mA) TPS62130/40/50 (Vin=17V with 3A/2A/1A) TPS62160/70 (Vin=17V with1a/0.5a) PG AVIN PVIN PVIN TPS62080 (Vin=6V with 1.2A) Soft start Thermal Shtdwn UVLO PG control TPS62090 (Vin=6V with 3A) comp HS lim EN SW SS/TR DEF control logic power control gate drive SW FSW SW comp fixed output only LS lim DCS-Control TM provides improved performance at lower system cost. VOS FB direct control & compensation _ + error amplifier ramp comparator DCS - Control TM timer ton AGND PGND PGND

10 DCS-Control TM TPS62130 Advanced Regulation Topology (Cont d) Iload=( )A VOUT=3.3V Seamless Transition between PWM and PSM

11 Low Power DC DC Portfolio Handset Power Standard Buck Standard Boost HF Buck Low Vin Power Save Mode Standard Vout Power Save Mode Flashlight High Vin Power Save Mode High Vout >12V Buck Boost Converter

12 Low Quiescent Current, Mid-low Input Range DCDC with 100% Max Duty Cycle 12

13 TPS6213x/4x/5x: V V IN, 1-3A, 3MHz Step-Down Converters in 3x3mm QFN High Efficiency Step Down Converter with DCS-Control TM VIN range from 3 to 17V Adjustable VOUT from 0.9 to 6.0V Fixed VOUT options: 1.8V, 3.3V, 5.0V Output current up to: 3A (TPS62130) 2A (TPS62140) 1A (TPS62150) Seamless transition to Power Save Mode Pin-selectable switching frequency (full, half) 100% Duty Cycle Mode Programmable Soft Start and Tracking Quiescent current of 17uA (typ.) Power Good (3.. 17)V 10uF High VIN step down converter with small solution size 3.3V / 3A utilizing a 1uH inductor DCS-Control TM regulation is fast and accurate Low quiescent current and selectable switching frequency for high efficiency VFB control allows current source applications 3.3nF PVIN AVIN EN TPS62131 SS/TR DEF FSW SW VOS PG FB AGND PGND 1μH 100k 1.8V / 3A 22uF General Purpose POL Solid State Disk Drives Embedded and mobile Computing Industrial applications Cstart TR Adjustable Startup FB Voltage Control DEF FSW Pin Selectable Output Voltage Pin Selectable Switching Frequency TPS62130EVM-505 TPS62140EVM-505 TPS62150EVM-505

14 TPS6216x/17x Tiny 17V 0.5A/1A Step-Down Converter in 2x2 QFN High Efficiency Step Down Converter (>93%) Wide input range from 3.0V to 17V Uses Tiny Capacitors and Inductors Adjustable output voltage from 0.9V 6.0V Fixed output voltage options available Quiescent current ~17uA during idle mode Power-Save Mode for Improved Efficiency at light loads Best in Class Load and Line Transient Power Good indicates when output has reached its appropriate level 100% Duty Cycle for Lowest Dropout Available in a tiny 8-pin 2 x 2 QFN package General Purpose Point-of-Load Industrial Applications, e.g. PLC, measurement Set-Top Box DSC Camera Enterprise Solid-state drives Low power DSP core applications Computing Tiny solution size for high VIN part Ease of use no extra features low component count TPS6216x TPS6217x 1.0A Output Current 0.5A Output Current TPS62160EVM-627 TSP62170EVM-627

15 DCS-Control TM TPS62130 Advanced Regulation Topology (Cont d) Vin=5V Vin=17V Current limit set to 2.5A Vin=3.3V Above 100µA for 12V IN Efficiency for different input voltages

16 Low-Vin Step down converter Portfolio 300mA-500mA 600mA 1A, 1.2A, 1.6A 2A 3A SOT23, 2x2 SOT23, 2x2 MSOP, 2x2, 3x3 2x2 3x3 1 st Generation L=4.7uH to 10uH TPS62200 TPS62220 TPS62000 TPS62020 TPS nd Generation L=1.0uH to 2.2uH TPS62240 TPS62270*** TPS62260 TPS62290 TPS62060 TPS62065 DCS Control L=1.0uH to 2.2uH Cout up to 100uF TPS62230 TPS62080 TPS62090 Value Devices TPS62560 TPS62590 TLV62080 TLV62065 TLV

17 TPS A High efficiency step down converter Features VIN range from 2.5V to 6V 2.8MHz/1.4MHz switching frequency Adjustable and fixed output voltage options 100% duty cycle mode for lowest dropout 20uA quiescent current in Power Save Mode Output voltage discharge function Adjustable softstart and short circuit protection 10uF to 100uF output capacitance Thermal shutdown Package 3x3 QFN package Applications Notebook, Netbook computers Solid State Drive Hard Disk Drive Processor supply Distributed power supplies Battery powered applications Smallest solution size 2.8MHz with 0.47uH Highest efficiency 1.4MHz with 1uH 17

18 Fastest possible load transient response Load Step 0.2A to 2A Immediate and fastest response to a load step due to 100% switch turn on CH2:Vout, CH4=Iload, CH1=Inductor current 18

19 Seamless transition into Power Save Mode Output voltage ripple <20mV under all conditions CH2:Vout, CH3=Iload, CH4=Inductor current 19

20 Stable from 10uF up to 100uF output capacitance 1uH/10uF 1uH/100uF CH2:Vout, CH4=Iload, CH1=Inductor current Load Step 0.2A to 2A 20

21 Dual Output Step down converter Portfolio Vin: 2.5 6V 3x3 QFN 2.2uH/10uF Power Save Mode Easy Scale interface Iq 32uA Independent enable/disable per channel 180 out of phase operation TPS62400 TPS62410 TPS62420 TPS62401 TPS62403 TPS62402 ADJ (Easy Scale) Preset 1.1V 1.575V 1.1V 1.575V 1.8V 1.2V Vout1/Iout1 400mA 800mA 600mA 400mA ADJ (Easy Scale) 1.8V 2.8V 3.3 Vout2/Iout 600mA 800mA 1A 600mA

22 Special Features: TPS62750: Step down converter with Programmable Avg. Input Current Limit >90% efficiency Programmable Average Input Current Limits for USB applications 50mA to 300mA for lower current limit range 300mA to 1200mA for upper current limit range ±10% Current Accuracy Load disconnect and Hot plug protection Available in a 2.5 x pin QFN Small solution size, small package and min external components. Savings of extra external USB Switch Due to built in average input current limit High efficiency over USB input range USB Spec compliant:

23 Low Power DC DC Portfolio Handset Power Standard Buck Standard Boost HF Buck Low Vin Power Save Mode Standard Vout Power Save Mode High Vin Power Save Mode High Vout >12V Buck Boost Converter

24 Up to 6MHz Switching Frequency When space is a constrain Higher frequency Smaller solution size Output current Up to 500mA 600mA to 800mA 1A 3A 1 st Generation L = 1uH, f = 3MHz TPS62300 TPS62350 Smart Reflex TPS nd Generation L = 470nH, f = 6MHz TPS6261x TPS62611** TPS62620 TPS62650 Smart Reflex TPS Generation L = 470nH, f = 6MHz 17uA quiescent current TPS62690 TPS62671 TPS62361* *In development, samples available ** TI WLink 6.0 certified

25 TPS nd generation: 6MHz /600 ma Step-Down Converter Best in class load and line transient Excellent AC regulation Low output voltage ripple 20mV V pp in PFM Low switching and spurious noise due to clock dithering High efficiency at light load currents due to enhanced Power Save Mode Extended battery life due to low quiescent current, 31µA, in stand by and light load operation. MLCC Inductor 0.47µH 2.0 x 1.2 mm Max Height 0.55mm Total area 12,0 mm 2

26 TPS82671/x mA Fully Integrated, Low Noise Step-Down Converter in MicroSiP Regulated Switching Frequency: 5.5MHz All required external components are integrated Spread Spectrum, PWM Frequency Dithering, High PSRR and low ripple Power Save Mode Automatic Power Safe Mode transition or forced PWM Mode operation Input voltage: 2.3V to 4.8V Allows < 7mm 2 total solution size, thus provides 90mA/mm 2 One-Stop-Shop, reduced HW design workload and no more questionable designs Supports noise sensitive applications through improved RF spurious performance and radiated noise reduction Allows to choose between high efficiency over entire load range (PSM) or regulated fixed frequency Supports Li-Ion batteries with extended voltage range TPS82671 TPS V out, PFM/PWM Mode 1.20 V out, PFM/PWM Mode Mid to High end Cell Phones, Smart-Phones Portable Audio/Video Digital TV, WLAN, GPS and Bluetooth and portable medical device TPS82671EVM-646 TPS82675EVM-646

27 TPS8267x: Size 600mA Fully Integrated, Low Noise Step-Down Converter in MicroSiP Solution size >45% smaller compared to discrete solution Profile <1mm height 1 mm (max)

28 TPS6265x -- Processor Power, I 2 C/Smart Reflex, 800mA Step down converter Input Voltage: 2.3V to 6V Output Voltage Adj: 0.75V to V Through I2C enables dynamic voltage scaling with as small as 12.5mV steps Through Vsel PIN Output Current: 800mA 6MHz Regulated frequency operation Efficiency: up to 86% Highly flexible output voltage capabilities: Dynamic scaling: 12.5mV steps through I 2 C interface. All I 2 C speed mode supported. VSEL PIN Smallest solution size < 13mm 2 High switching frequency (6MHz) enables only 1mm component profile with 0.47uH Inductor Chip Scale Package Package: 9-pin CSP Transient/Efficiency optimized Power-Save Modes Quiescent current: 38µA

29 TPS6236x Processor Core Supply with I2C Compatible Interface and Remote Sense 3A Peak Output Current Highest Efficiency: Ultra-Low R DS,on Switch and active Rectifier Power Safe Mode for Light Loads Amazing low and high load efficiency I 2 C High Speed Mode Compatible Interface I 2 C Programmable Output Voltage 10mV Steps TPS62360: 0.77V to 1.4V (RTP in June) TPS62361B: 0.5V to 1.77V Differential Load Sensing High Transient Output Voltage Accuracy 4 presets selectable via dedicated zero latency inputs Multiple robust operation and protection features: Soft Start Over Temperature Monitoring and Protection Output Over Voltage Protection Under Voltage Detection and Lockout Voltage up-/down ramping with programmable slope TI 29 Information Selective Disclosure Processor core supply for Cell Phones, Smart Phones, Feature Phones PDAs, MIDs, Netbooks, Tablet PC DSPs Omap4 Memory supply TPS62360EVM-655 TPS62361BEVM-655

30 TPS6238xx Overview A 2-Phase Step-Down Converter Highest Efficiency Reduced Inductor and On-Chip losses by Multi Phase Design SmartRail Technology for highest Efficiency over the whole Load Range Integrated Charge Pump for low Battery Efficiency Boosting Low R DS,on Switches and Active Rectifiers Automatic dual-to-single Phase Transition Power Save Mode for Light Load Efficiency 2.22mm x 2.44mm chip size 0.5mm pitch Enables low cost board version Best for power trace routing I²C High Speed Compatible Interface Excellent DC and AC Output Voltage Regulation Differential Load Sensing Multiplied Regulation Bandwidth by Multi Phase Design Precise DC Output Voltage Accuracy Reduced Output Voltage Ripple by 180 -Phase Shifted Operation Multiple Robust Operation and Protection Features Soft Start with 500μs Startup Time Power Good Indication Programmable Slew Rate at Voltage Transition Low Battery Voltage Ripple by Phase Shifted Operation Over Temperature Monitoring and Protection with programmable thresholds Input Under Voltage Detection and Lockout Output Current Limit and Protection 7-bit SAR ADC for Output Current Monitoring Interrupt Signal for Exception Handling Programmable Output Voltage 10mV Steps 0.5V to 1.77V Optional: VOUT can be analog controlled via VSEL

31 Special Features: Adjustable V out Adjustable output voltage with: I 2 C (2 wire) Easy Scale (1 wire) V SEL V CON Dual Output TPS62400 TPS62410 TPS62420 Easy Scale (1Wire) ADJ (Easy Scale) ADJ (Easy Scale) Single Output V V SEL CON I2C (2Wire) V SEL 1 V SEL mV step (0.75V to V) TPS V 1.2 V TPS V 1.1 V TPS TPS TPS xV CON (1.3V to 3.09V) TPS V 1.1 V 12.5mV step (0.75V to V) 10mV step (0.77V to 1.4V) 10mV step (0.5V to 1.77V) TPS Preset 1.8V 1.1V 1.575V TPS V 1.575V TPS V 1.2V (Easy Scale) 2.8V (Easy Scale) 3.3 (Easy Scale) Easy scale - 1Wire I 2 C - 2Wire

32 Low Power DC DC Portfolio Handset Power Standard Buck Standard Boost HF Buck Low Vin Power Save Mode Standard Vout Power Save Mode Flashlight High Vin Power Save Mode High Vout >12V Buck Boost Converter

33 Boost converter portfolio Low Vout: 1.8V 5.5V Isw <1A Synchronous New Device Vin Isw Vo I q I SD L-C Package Features TPS V 200mA ADJ 3.3V 5V 5.5uA 0.2uA 4.7uH1 0uF SC70 Vo=Vin in S/D New TPS V 200mA 3.3V 5uA 5nA 10uH 10uF SOT23 Bypass switch MSP430 apps TPS61070 TPS61071 New TPS V 500mA ADJ 19.5uA 0.05uA V 500mA /600mA* 5V 4.7uH 10uF 1uH 4,7uF SOT23 2x2 QFN Load Disconnect Fixed frequency (61072 & 73) USBOTG, HDMI application

34 TPS6126x: Boost Converter Input Voltage: 0.8V to 4.0V Efficiency up to 95% TPS61260: Vout adjustable (1.8V to 4.0V), TPS61261: Vout 3.3V Switch Current Rating 300mA: Up to 50mA output 3.3V (Vin > 0.8V) Programmable Average Output Current from 10mA to 50mA Dynamic Switch Current Limit Advanced Softstart Typical Device Quiescent Current < 25 µa Power Save Mode for Improved Efficiency at Low Output Power Load Disconnect During Shutdown Package: 7pin SON, 2 mm x 2 mm, max 1 mm high (DRV) All single or dual cell Alkaline, NiCd or NiMH Battery Powered Products High Output Impedance Battery (Coin Cells) Powered Products Personal Medical Products High Power LED's Wireless Pointing Devices Wireless Headsets Industrial Metering Equipment Digital Media Players Small solution size Supports input voltages as low as 0.8V Highest efficiency over wide Input range TI Information NDA Restrictions

35 Boost converter portfolio Low Vout: V Isw > 1A LDO mode, Load disconnect during shut down, Synchronous Device Vin Isw Vo I q I SD L-C Package Features TPS V 1.2A ADJ 3.3V 5.0V 55uA 1uA 2.2uH 10uF 3x3 QFN Adj UVLO PFM/PWM TPS V 1.2A ADJ 5.0V 3.3V 3V 25uA 0.1uA 6.8uH >10uF 3x3 QFN LBI/LBO Mode (PS) pin New TPS6125x 2.3-6V 1.5A ADJ 30uA 0.85uA 1uH 4.7uF 2x2 QFN Adjustable input current limit. Bulk capacitor charging Snooze mode. TPS V 2A ADJ 3.3V 5V 20uA 0.1uA 6.8uH >10uF 4x4 QFN LBI/LBO Sync pin PFM/PWM TPS V 3.6A ADJ 5.0V 3.3V 20uA 0.1uA 6.8uF >100uF 4x4 QFN TSSOP LBI/LBO Sync pin PFM/PWM

36 TPS MHz, 1.5A, 92% efficient Boost Converter with adjustable input current limit Resistor Programmable Input Current Limit from 100 to 1500mA with ± 20% 500mA 100% Duty-Cycle Mode When V IN > V OUT Load disconnect 2x2 QFN and 1.0 µh Inductor Avoids overloading the power source and eliminates the need for an external load switch. Output voltage is still regulated if Vin>Vout Protects the device from reverse current Smallest solution size 10x7 mm 2 USB Host Supplies from a single cell Li-Ion Current limited applications Single cell Li-Ion battery power applications Audio Applications R LIM I LIM = Adjustable V IN I LIM = High limit ( 1.5A ) TPS61252EVM-667

37 Boost converter portfolio High Vout Device Vin Isw Vo L-C Package Feature TPS61040 TPS to 6.0V 400mA 250mA Vin to 28V 4.7uH/4.7uF SOT23 Non-synchronous PFM Mode TPS to 18V 960mA Vin to 38V 10uH/4.7uF 2x2 QFN Non-synchronous TPS to 18V 3A Vin to 38V 10uH/4x10uF TSSOP Non-synchronous TPS61080 TPS to 6V 500mA 1.3A Vin to 27V 4.7uH/10uF 3x3 QFN synchronous TPS to 6.0V 900mA Vin to 17V 10uH/4.7uF 2.5x2.5 QFN synchronous TPS to 6.0V 2.0A Vin to 18.5V 3.3uH/2x10uF 8 pin MSOP/TSSOP Non-synchronous p2p compatible TPS to 6.0V 2.0A VIN to 18.5V TPS to 6.0V 3.2A VIN to 18.5V 3.3uH/2x10uF 3x3 QFN Power Save Mode 3.3uH/4x10uF 3x3 QFN Non-synchronous p2p compatible

38 TPS A Switch, V Input, 38V output Boost Converter 3 A/40 V Integrated Switch 12V at 300mA and 24V at 150mA from 5V Input (typ) Up to 93% efficiency Switching frequency: 200kHz to 2.2MHz programmable Programmable soft start PFM/PWM automatic transition support of 12V industrial or automotive power rails enables high power Boost applications due to 3A switch Allows optimization of efficiency, board space and EMI characteristics PFM mode enables high efficiency at light loads 12V to 24V Power Conversion Boost/SEPIC/Flyback configuration Lead-Acid battery support EVM: TPS61175EVM-326 EVM: TPS61175EVM-588 TI Information SEPIC Selective Evaluation Disclosure Module Features V IN V OUT Current Switch Package: HTSSOP TPS V to 18V Vin to 38V 3A 14-pin

39 Buck - Boost converter portfolio TPS63021 TPS63001 TPS63011 TPS63031

40 TPS63030: 95% Efficient, 1A Switch, single inductor, Buck-Boost Converter Efficiency: 95% over wide Vin range (max) Input Voltage: 1.8 V to 5.5 V Output Voltage: 1.2 V to 5.5 V Output current Switch: 1 A Iout > 800 ma in Buck 3.3 V Iout > 500 ma in Boost 3.3 V Small size, requires only 1.5 µh Low input voltage 1.8 V (for 2-cell Alkaline) Highest efficiency over wide V IN No efficiency drop during V IN =V OUT conversion phase Supports DVS via FB-pin Package: 2.5x2.5 QFN 41-µA Quiescent Current Over-Temperature Protection 2-Cell and 3-Cell Alkaline, NiCd or NiMH, or one Cell Li-Ion or Li-Poly Cellular Phones / Smartphones DSC, Camcorder Personal Medical Products Portable Audio Players Industrial Metering Equipment

41 mm TPS63020 Small, efficient & easy to use Key specs Vin: 1.8V to 5.5V Vout: 1.2V to 5.5V Typical quiescent current 30µA 3A output at 3.3V in step-down mode (Vin = 3.6V to 5.5V) More than 2A output at 3.3V in boost mode (Vin >2.5V) Dynamic input current limit Power Save Mode Smart Power Good (PG) increases system reliability 100 mm 2 total solution size (height: 1mm) HPA487 mm

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