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Power Supply Solutions for Portable Applications

Power Supply Solutions for Portable Applications. Organization Summary - Portable Power Management. Texas Instruments Product. ASP. WTBU. HPA – High Performance Analog. HVAL. HPL. DAP. DAV. PPM – Portable Power Management. SPM. PIP. HSCC. Battery Management. Linear Regulators.

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Power Supply Solutions for Portable Applications

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  1. Power Supply Solutions for Portable Applications

  2. Organization Summary - Portable Power Management Texas Instruments Product ASP WTBU HPA – High Performance Analog HVAL HPL DAP DAV PPM – Portable Power Management SPM PIP HSCC Battery Management Linear Regulators Low Power DC/DC Portable Digital Consumer Advance Gas Gauge Battery Monitors AFE Charger LDO Voltage Supervisor Low Power DC/DC Flat Display wLED Lighting Backlight - CCFL LCD Display Battery Management Power conversion

  3. Generic Portable Power System 250V AC CCFL UCC397x CCFL backlight bq2401x linear mode UCC3973/8 Bq2402x,bq2403x linear bq242xx current-limited bq2410x switch-mode >20V White LED backlight LCD bias/contrast Boost TPS6104x Charger bq2xxx TPS61042 TPS61045 DC Supply PowerSwitch TPS2xxx Charge Pump TPS60xxx LED backlight General system voltages REG71x TPS6050x TPS214x/5x TPS208x/9x Chemistry? Capacity? # batteries? Series or Parallel? Buck TPS62xxx TPS6205x TPS6220x <2V TPS6103x µP / DSP core voltage TPS611xx Boost + TPS61xxx µP / DSP I/O voltage Memory (FLASH, SDRAM) 5V (audio, HDD) PCMCIA Power Conversion >2V LDO TPS7xxxx TPS797xx Battery Mgmt UCC3911 Protector UCC39xx TPS793xx bq293x Reset, Power-Good, Watch-Dog,RAM backup, Real-Time-Clock SVS / RTC TPS3xxx bq48xx Gas Gauge bq20xx bq26200 SpecialFunctions bq2083 RAM TPS380x/2x/3x bq4802

  4. How to make sense of TI’s DC/DC portfolio It’s a matter of input voltage and output current … • Buck • TPS54350 SWIFT • TPS400xx Controller Display 3 cell Li-Ion 3.3V & 5V >1.5 A 7.5V to 12.6V <=30V 2 cell Li-Ion • Buck • TPS62050 5V 800mA RF, Audio, Data Acquisition Disk Drive, etc. 5.0V to 8.4V <=5V • Buck • TPS62220 – 400mA • TPS62040 – 1.2A • TPS64200 Controller 1 cell Li-Ion 1.2V 400mA 2.5V to 4.2V Portable System 3 cell NiMH • Boost • TPS61040 – 400mA s/w • TPS65130 – 800mA s/w +/-18.0V 10mA 3.6V to 5.4V I/O, Memory, System, Expansion <=3.3V • Boost • TPS61020 – 1.5A s/w • TPS61030 – 4.5A s/w 2 cell NiMH 3.3V & 5V 500mA 1.8V to 3.6V 1 cell NiMH • Boost • TPS61070 – 400mA s/w 3.3V 75mA DSP, MCU, ASIC Cores <=1.8V 0.9V to 1.8V NiMH NiCd AA 12V Power Rail Li-Ion 5V Power Rail 3.3V Power Rail

  5. How to make sense of TI’s Charger portfolio ‘Multi-chemistry’ ‘Off-line’1-cell charger 1- to 3-cell integrated FET Controller and integrated FETs Different ‘timing’ versions for ‘Top-off’

  6. RF LDO

  7. OUT IN GND EN BYPASS SOT-23 High Performance RF LDOs: (TPS79xxx) Typical Device Specifications: • Features: • Input Voltage Range: 2.7V to 5.5V • Fixed Output Voltages: 1.8V to 4.75V and Adjustable (1.2V to 5.0V) • Rated Output Current: 100mA to 1.5A • Stable With Ceramic Output Capacitor • 32μVRMS Output Noise, 100Hz to 100KHz • Fast start up time (50μs) • 2% Accuracy Over Load/Line/Temp • Very high PSRR: 70 dB @ 1 kHz • 70 dB @ 10 kHz • Chip Scale and SOT23 Packages • Applications: • RF Applications • Low Noise Applications • PLL Power Supplies • VCO Power Supplies Chip Scale Available Now

  8. TPS793 – RF LDO in NanoStar • Feature • 200mA output • Fast start-up time (50sec) • High PSRR (70dB @ 10kHz) • Low output noise (32V) • Output stable with 2.2µF ceramic capacitor • Low dropout voltage (100mV) • Low quiescent current (170uA) • < 1A Iq in standby mode • NanoStarTM and SOT23-5, -6 packaging NanoStarTM, SOT23, and SC70 Packages shown in relation, on actual US Penny. DS Available

  9. EN1 IN FB1/NC GND RESET/NC EN2 OUT1 FB2/NC OUT2 NR GND 3x3 QFN TPS713 Chip Scale TPS712 Chip Scale Pin-Pin to LP3986 Dual RF LDOs: TPS712xx/713xx • Features: • Input Voltage Range: 2.7V to 5.5V • Fixed Output Voltages: 1.8V to 4.75V and Adjustable (1.2V to 5.0V) • Rated Output Current: 250mA per LDO • Stable With Ceramic Output Capacitor • Very high PSRR: 70 dB @ 1 kHz • 70 dB @ 10 kHz • 32μVRMS Output Noise • 2% Accuracy Over Load/Line/Temp • 300μm Bump Chip Scale and 3x3 QFN Packages Typical Device Specifications: • Applications: • Handsets, PDAs • RF Applications • Low Noise Applications • VCO Power Supplies • Sequenced Supplies QFN: Samples May Chip Scale: Samples June Samples July, 2003

  10. EN1 IN FB1/NC GND RESET/NC TPS7xx Chip Scale EN2 OUT1 Pin-pin LP3986 FB2/NC OUT2 NR GND TPS7xx 3x3 QFN OUT IN GND EN NR TPS799 TSOT-23 TPS799 Chip Scale High Performance Low IQ RF LDOs: (TPS799xx) Typical Device Specifications: • Features: • Input Voltage Range: 2.7V to 6.5V • Fixed Output Voltages: 1.8V to 4.75V and Adjustable (1.2V to 5.0V) • Rated Output Current: 200mA • Stable With Ceramic Output Capacitor • 30μVRMS Output Noise, 100Hz to 100KHz • Fast start up time (50 μs) • 2% Accuracy Over Load/Line/Temp • Very high PSRR: 70 dB @ 1 kHz • 70 dB @ 10 kHz • 300μm bump Chip Scale and TSOT23 Packages Available • Applications: • Handsets, PDAs • RF Applications • Low Noise Applications • PLL Power Supplies • VCO Power Supplies TPS799 Samples Q4 2004 TPS7xx Samples Q2 2005

  11. White Light LED Driver- Backlight - Flashlight - OLED Driver

  12. wLED Backlight Driver Supply • wLED Characteristic • Current drive device • Typical parameter • VF=3.5~4V • ILED=20mA • IR=10~100A • E/E requirement • Mobile Phone : 2~3 pcs • DSC : 2~4 pcs • PDA : 4~6 pcs

  13. Boost wLED Driver Supply - TPS61040/1/2/3 Key Spec

  14. TPS61042/43 - High Performance wLED Driver • Very Low 0.3 Rds(on) • Internal OVP Comparator • 38A Quiescent Current • 250mV Reference Voltage • Internal True SD Switch DS NEW TPS61043 : Low Cost, p2p with TPS61042, Mobile Phone Application Available Digital Dimming Analog Dimming

  15. wLED Driver Key Spec. Comparsion

  16. TPS61060 - Sync Boost wLED Driver ILED Dimming • Features • Synchronous Boost Topology • 1.2MHz Fixed Switching Frequency • Internal 5 bit DAC, 16.7mV/Step Brightness Control • CSP8, 3x3QFN8 Package 1s Delay 1  t 60s Increase 140  t 240s Decrease t 550s SD DS • 1.2MHz PWM • Synchronous Boost • Enable pin • Up to 1kHz PWM dimming • Internal OVP • LED disconnect at Shutdown • High : 250mV Reference • Low : 500mV Reference • Digital Dimming

  17. REG71050 – 60mA White LED Charge Pump • Features • Low Cost wLED Driver • Ideal for Wireless application • Simple Design and few external component • SOT23-6 Package wLED Operation • Enable and PWM Dimming Control DS 3 Cap Only Available

  18. TPS60230 - White LED Charge Pump • Features • PWM dimmable • Only 5 small external components • 1MHz oscillator frequency • output current source for each LED • 60A quiescent current • Thermal shutdown • 3x3QFN16 package • High Efficiency by Fractional Conversion with 1x and 1.5x Modes • Support up to 5 wLEDs • Max 25mA per Channel • 2.7V~6.5V Input Range • LED Current Setting • LED Brightness control 4C 1R Only DS ES Now MP/Mar 04

  19. wLED Flash Light Power Supply Requirements • Efficiency is of secondary order • Flash light supply is turned off for most of the time • Fast turn off and turn on times are required • Time period for flash ranges from 30ms up to 200ms • Rise time of current needs to be in the us range • Boost or charge pump must be powered up before the flash can be initiated • Storage capacitor and current limit might be required to avoid high input peak currents during flashing Flash-Light LED Driver with Fast Turn-On/Off Time

  20. Flash Light Solutions For Mobilephones RGB LED • Usually darker then White LED • More complex control circuit required • Different forward voltages range from 2.4V to 4.1V due to the InGaN material being used • Boost converter or charge pump required • Special color mix required to achieve a white light • Different LED currents in each LED • Up to 30mA steady state • Up to 200mA peak current White LED • 1 LED solution requires up to 700mA • Only a low voltage boost or charge pump converter with VOUT of up to 5V required • High input peak currents might cause problems in the application if no precautions are taken • 2 or more LEDs: I=30..100mA/LED • Low power LEDs are being used compared to the one chip/LED solution • Requires a high voltage boost converter running the LEDs in series • Using a charge pump requires running the LEDs in parallel

  21. TPS61020 - 95% efficient, 500mA Boost Converter Features Benefits • Suitable for 1- to 3-cell alkaline or 1-cell Li-Ion • Conserve battery capacity • High efficiency over entire load range • Suitable for supplying 5-V rails • Simple end-of-discharge detection • No leakage current • 0.9V to 5.5V input voltage range • 800mA @ 5.0V Vout and 3.3V Vin • 20-uA (typ) quiescent current, 0.1-µA shutdown • PFM power-save mode for light loads • Adjustable output voltage up to 5.5V • Down-conversion mode • Low-battery comparator • Load disconnect during shutdown • Over-temperature protection • QFN-10 Powerpad package • TPS6102xEVM-221 DS Available

  22. TPS61020 Flash-Light Driver Flash-Light LED Controlled Current Source Starts-up into 150-mA Flash-Light LED from 3.0V input voltage High Current Flash-Light LED Controlled Current Source Starts-up into 700-mA Flash-Light LED from 3.0V input voltage Movie Light: Possibility for Analog Current Regulation Adjustment

  23. OLED Power Supply • PMOLED (Passive Matrix OLED) - Single Supply • Typ. 9~15V/30mA • TI solution TPS61040/1/5 TPS61040/1/2 Boost Regulator • AMOLED (Active Matrix OLED) - Dual Supply • Typ. (7~15)V/50mA • TI solution : TPS65130 Dual Channel DC/DC Regulator

  24. D1 MBR0530 Vo 16.2~18.9V/10mA L1 4.7uH C2 4.7uF R1 2.2M C3 1uF Cff 22pF R3 1M L SW Vcc : 1.8V~6.0V Vin DO C1 100nF FB CTRL GND PGND R2 180k Enable / LCD bias control TPS61045 - True Shutdown Boost Converter • Features • 1.8V to 6.0V Input Voltage Range • up to 80% efficiency • Digital adjustable output voltage control • Disconnects output from input during shutdown • 40A typical no load quiescent current • Benefit • True Shutdown, save one PFET • Digital interface control output voltage • 3x3mm2 QFN8 Package True SD Switch 19.6mV/Step 6 Bit DAC 1s Delay 1  t 60s Increase 140  t 240s Decrease t 550s SD DS Available

  25. TPS65130 - Dual Channel OLED Power Supply • Features • 1.5MHz Fixed Frequency PWM Operation • 50A Quiescent Current • 1µA Shutdown Current • Thermal Shutdown • 4x4mm2 QFN16 Package • External MOSFET Control for True Shutdown • Adjustable Output • VPOS : 16V/250mA • Up to 89% Efficiency • VNEG : -12V/250mA • Up to 83% Efficiency • 2.7V~5.5V Input • Individual Enable Pin • Individual Power Save Mode Control DS MP/Feb04

  26. System Power - PMU TPS6501x

  27. TPS65010 - Overview • General • Power & Battery Management IC for Li+ Battery Powered System • Perfect for OMAP1510 • 2 Sync. Buck + 2 LDO + Charger • 70A quiescent current • Thermal protection • Package : 7x7mm2 QFN48 • Dual Input auto selection linear charger • USB : 100mA, I2C prog up to 500mA • AC : Program w/ ISET, up to 1A • 20V rating on VAC pin (Charging stop as over 6.6V) • /PG : Charger source indication or GPO • Interrupt for charging termination • 1.25MHz PWM/PFM • 400mA Output • 1.5/1.6V (I2C prog) • Open Drain Vibrator output • 0.5V dropout @ 100mA • I2C Prog. Charger bqTinyII core AC VBAT USB ISET /PG TS • 1.25MHz PWM/PFM • 1A Output • 3.0V/3.3V, (I2C prog) VIB OD O/P Sync Buck VINCORE • Open Drain LED output • On, Off, Blinking • I2C Prog. LED2 VCORE DEFCORE GPIO GPIO[0..3] Sync Buck VINMAIN VMAIN • 1.8V~6.5V Input • 200mA Output • Min 0.9V output (I2C prog) System & Power Mgmt • 4 Bi-direction Ports • Open Drain LED output • I2C Prog. PS_SEQ DEFMAIN LOW_PWR LDO1 VIN1 PB_ONOFF VLDO1 BATT_COVER • 1.8V~6.5V Input • 200mA Output • 1.8V~3.0V output (I2C prog) /HOT_RESET LDO2 VIN2 VLDO2 /RESPWRON /MPU_RESET I2C I/F I2C Bus /INT IFLSB /PWRFAIL • Charger Monitor, Converter control & power management • Up to 400kHz speed • 0x100100+LSb address DS Available

  28. TPS65010 - Block Diagram & Package • Power Pad for Thermal Enhancement

  29. TPS65010 - Charger • Features • Operation independent from regulator • Dual Source, AC wall adaptor & USB • Integrated Charge FETS • I2C interface for charger status monitor, /INT indication • Auto restart when battery voltage drops • 15C lower thermal protection than inductive converter • Temperature sense pin (TS) for battery protection • Safety timer • 0.5% accuracy • Autonomous Source Selection • Charger/USB charging can be disable via I2C • Source : AC prior to USB • USB : default 100mA, or 500mA via I2C setting • AC : Rext for charging current setting, 1A Maximum • AC input : 20V rating, Charger disable @ VAC>6.3V • Sleep Mode when 2 inputs are both absent • /PG Output • Active when VAC or VUSB >VBAT+100mV • On, off or blink

  30. TPS65010 - Charger (Cont.) • Charging Phase • Pre-Conditioning • VBAT<VLOWV(3V)  IPRECHG =0.1Iout  tPRECHG (1800s) VBAT > VLOWV(3V) • tPRECHG (1800s) expired  IDETECT (200A) if Fault Condition • Current Regulation • USB : default 100mA, or 500mA via I2C setting • AC : Iout=KsetVset/Rset=3302.5V/Rset • CHGCONFIG[4:3] : 25% charging current decrement • Voltage Regulation • VBAT=4.1V or 4.2V • Taper Threshold ITAPER =0.1Iout  tTAPER (1800s)  ITERM (Iout/125) • Recharge on VBAT < VRCH (Vo(REG)- 0.1V) • tCHG (18000s) expired  Fault  IDETECT (200A)

  31. TPS65010 - Sync. Buck Converters • Sync. Buck Converter • 2.5V~6V Input Range • All ceramic capacitors • Output Current : 1A for Main, 400mA for Core • Default Output • Main : 3.3V/3.0V (DEFMAIN tied to VBAT/GND) • Core : 1.6V/1.5V (DEFCORE tied to VBAT/GND) • Sequence • PS_SEQ=0, on : CoreMain, off : MainCore • PS_SEQ=1, on : MainCore, off : CoreMain • 4 Steps Digital Softstart • LOW_PWR pin to lower CORE voltage in sleep mode • Vcore disable via I2C in sleep mode

  32. TPS65010 - Sync. Buck Converters (Cont.) • LP Mode, CORE2 always be 0, CORE1 & CORE0 take value from CORELP1& CORELP2 • Sync. Buck Converter • 1.25MHz PWM/PFM Control scheme • Force PWM Mode • Power Save Mode • Iskipmain=Vin/17 , Iskipcore=Vin/42 • Dynamic Voltage Positioning : 1.2% • 100% Duty Cycle Low Dropout Operation • Active Discharge when Disable • 300 Load, enabled via I2C, VDCDCx Register • Power Good Monitor • Report to REGSTATUS register • By DEFCORE pin • By DEFMAIN pin

  33. TPS65010 - Efficiency of Sync. Buck

  34. TPS65010 - LDOs • LDOs • 1.8V~6.5V Input Range • Supply from Vmain or battery • Output Current : 200mA each • 16A quiescent current each channel, 12A in low power mode • Output Voltage • Default, LDO1 : Adj. LDO2 : 1.8V • Adjustable via I2C • 3% output voltage accuracy • Current limited and disable via I2C (Default On) • Reverse Conduction Prevention • Power Good Monitor • Report to REGSTATUS register • Small ceramic output capacitors, 2.2F

  35. TPS65010 - Typical Application w/ OMAP1510 Software

  36. TPS65011 vs LTC3455

  37. TPS65011 vs RT9902

  38. Stand Alone DCDC

  39. TPS62040 - 1.2A Sync. Buck Converter • Features • Up to 95% efficiency • 2.5V to 6.0V input voltage range • Fixed and adjustable output voltage options available down to 0.7V • Up to 1.2A output current TPS6204x • Up to 600mA output current TPS62041 • 1.2MHz fixed frequency PWM operation • Power Save Mode (PFM) • 100% duty cycle mode • 18A typical quiescent current • Softstart • Short circuit protection • MSOP Power Pad package DS Available

  40. 9.5mm 8.1mm TPS62300 - 500mA Synchronous Step Down Converter Features • Sync. Buck Topology • 3MHz Switching frequency • 86A Quiescent Current • 2x1WCSP, 3x3QFN10 package • TPS62300 CSP EVM • Cin = 4.7uF (0603) • Cout = 4.7uF (0603) • L = 1uH Taiyo Yuden CB2012 Focus • Mobile Phone/Smartphone apps • Small solution size apps • Small Inductor for small solution size • 2.7V~6V Input Range • Output Down to 0.6V • 500mA Output Current • -0.5%/+1.3% DC accuracy

  41. TPS61010 – Sync. Boost Regulator • Features • High efficiency Sync. Boost w/ EN, LBI/LBO function • 0.9V startup into full load, operating down to 0.8 V • 200mA output current from 0.9V supply • PowerSave Mode at light load • Autodischarge during shutdown • Iq< 50A • True turn off during shutdown • Integrated Antiringing Switch Across Inductor • MSOP10 Package DS Available

  42. TPS61070 – Single Cell, Sync. Boost Converter Features • Synchronous Boost Topology • Load disconnect during shutdown • 1.2MHz switching frequency • TSOT23 package Focus • Single Alkaline powered apps. Eg, MP3 • Backup up battery supply • 75mA @ 3.3V Vout and 0.9V Vin, 600-mA switch current limit • 1V start up, down to 0.9V • Adjustable, up to 5.5V • 19A Quiescent Current

  43. Solution Comparison - USD$0.1~0.15 external component save - Smaller solution size - Higher efficiency

  44. Display Power SupplyLCD Bias

  45. LCD Displayer Block Diagram RGB DVI Video ADC TMDS Decoder Gamma Buffer Scaler Source Driver Keypad T-Con TFT Panel MCU PLL OSD CCFL Gate Driver Audio Amp EEPROM AC/DC SMPS LCD MB Power LCD Bias Inverter LCD Monitor System LCD Panel Module Ti HPA solution available

  46. LFF Panel Power Requirement TPS65100/40, SN10501 Vcc VGH, VGL Vsource & VCOM BUFxx703/04 Gamma Buffer Source Driver TFT Panel T-Con Inverter Module CCFL Gate Driver

  47. 2.7V~5.5V Input • Triple Output using One Tiny Inductor • VGH : Up to 20V/2mA • VGL : Down to -18V/2mA • Vmain : 3.3V~5.3V/20mA • LDO for post Regulation • 85% Efficiency • Aux LDO for Tcon/Logic TPS65120 - SFF LCD Panel Bias w/ Inductor Features • Single Inductor • 4 Channel output • Internal/External Sequencing • Ultra-Small External Components • Internal Softstart • Output Short Circuit Protected • 1A Shutdown Current • Ultra-Thin 16-Pin QFN Package (3x3mm/0.8mm max height) DS Available

  48. TPS65110 – Triple Charge Pump for SFF LTPS LCD Bias • Features • 3CH Low Ripple Regulated Charge Pumps. • Vin : 2.4V~5.5V • VCC=3.0V to 5.0V/16mA w/ 0.1V step(3.0~4.0V), 0.2V step(4.2~5.2V) • VDD=6.5V to 10V/ 2mA w/ 0.5V step • VSS=-2.4V to –4.5V/ 1mA w/ 0.3V step 10 Caps Only • Ultra Low Ripple (VCC : 5mV@5mA) • Programmable Output Voltage w/I2C (EEPROM) • 4x4mm2 QFN24 Package • Benefit • Integration • SONY LTPS Panel • Charge Pump Topology (No inductor EMI issue) DS Available

  49. TPS65110 - High Efficiency & Low Ripple 85% Efficiency Ripple 5mV only

  50. D1 MBR0530 Vo 16.2~18.9V/10mA L1 4.7uH C2 4.7uF R1 2.2M C3 1uF Cff 22pF R3 1M L SW Vcc : 1.8V~6.0V Vin DO C1 100nF FB CTRL GND PGND R2 180k Enable / LCD bias control TPS61045 - True Shutdown Boost Converter • Features • 1.8V to 6.0V Input Voltage Range • up to 80% efficiency • Digital adjustable output voltage control • Disconnects output from input during shutdown • 40A typical no load quiescent current • Benefit • True Shutdown, save one PFET • Firmware control output voltage • 3x3mm2 QFN8 Package True SD Switch 19.6mV/Step 6 Bit DAC 1s Delay 1  t 60s Increase 140  t 240s Decrease t 550s SD DS Available

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