1 / 69

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.

aine
Download Presentation

Power Supply Solutions for Portable Applications

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related