Power management for handheld and portable applications. A tradition of leadership in power management is now mobile

Transcription

1 Power management for handheld and portable applications A tradition of leadership in power management is now mobile

2 Leaders in PM for Mobile Advanced analog power management ICs Integrated devices with analog blocks and digital functions Complete system competence State-of-the-art technology

3 Targeted Applications Smartphones and other slimline electronics Handheld consoles and appliance user interfaces Wearable and fitness devices like smart watches Tablet PCs

4 Comprehensive Portfolio Display power supply Battery management LDOs DC-DC Converters

5 Display Power Supply a story of success ST supplies over 70% of the world s ICs to power AMOLED displays capable to deliver high-quality web and video experiences on the move ST s dedicated AMOLED power ICs add value to new designs by simplifying power-supply circuitry. ST s innovative BCD process for DC-DC converters ensures outstanding energy efficiency and results in longer battery life High immunity to cellphone communication noise keeps displays consistent and flicker-free

6 Display Power Supply Highlights: STOD30 The latest and innovative chip, the STOD30, is particularly suitable for battery-operated products, meeting the continuous demand for energy saving, smaller application area and noise immunity. The STOD30 integrates on the same chip a 300 ma step-up, inverting DC-DC converter needed to generate the positive and negative supplies to power on the AMOLED display plus an auxiliary step-up converter to provide the supply voltage for the source driver IC. Features Advanced silicon-on-insulator manufacturing technology PFM/PWM operation for best-in-class efficiency (up to 90%) High frequency (1.6 MHz) for smallest application area High output voltage accuracy Low output ripple High immunity to GSM noise User-programmable negative output voltage Dynamic transistor control under any load condition Benefits Increased battery lifetime Simplified power-supply circuitry Flicker-free displays Meets needs for growing AMOLED panel sizes Improved picture quality Increased ruggedness and reliability

7 Display Power Supply Topology Part Number Positive output voltage Negative output voltage Efficiency Accuracy 1 Ch. STOD1317B 6.0 to 13.0 V NA 85% 1% STOD03AS 87% 0.8% 1 Cell Supply 2 Ch to -5.4 V STOD13AM 89% 0.6% 4.6 V STOD13AS -2.4 to -6.4 V 89% 0.6% STOD13CM -1.4 to -4.4 V 89% 0.5% 3 Ch, STOD V Auxiliar 7.6V -1.4 to -5.4 V 90% 0.5% 2 Cells Supply 2 Ch. STOD V -2.4 to -6 V 87% 1%

8 Display Power Supply 700 ma Output current STOD14 Boost + inverting Buck+ inverting Boost + LDO Boost + LDO + inverting 2 Boost + inverting 300 ma STOD ma STOD13AS STOD13AM STOD13CM 200 ma 170 ma 150 ma STOD1317B STOD03AS Performance

9 Battery Management Battery management devices provide high efficiency, power density and low standby power consumption Our product portfolio includes complete solutions for battery chargers: switching chargers that offer charge currents from 1.2 A to 4 A integrating in the same chip a fuel gauge functionality linear chargers with charge currents from 15 ma to 1.1 A wireless chargers compliant with PMA and Qi standards. By combining wireless power technology with high efficiency and smart charging, ST is creating easier, faster, innovative, ways to power up smartphones, tablets and other mobile devices.

10 Battery Management Highlights: PM2131 PM2131: The first 4 A switching battery charger on the market to adopt an innovative, dual-coil architecture that leads to improved performance in terms of efficiency and reduction of internal power dissipation. Provides an optimized battery charger solution for high-end smartphones and tablets, perfectly fitting portable/mobile devices and large battery capacity applications with parallel single cell Li-ion battery packs requiring fast charging. Features Dual-coil architecture Charge current programmable up to 4 A Power path Small, thin and cheap coils Benefits High efficiency Fast charging Better thermal balance (reduced internal power dissipation) Optimized energy source management (battery aging) Optimized PCB size and BOM cost

11 Battery Management Highlights: STBCFG01 STBCFG01: A switching battery charger integrating in the same chip the functions needed to charge single cell Li-ion batteries, monitor the battery s state of charge and generate 5 V to supply USB OTG bus powered devices. The IC also integrates an LDO regulator to support system boot in dead battery conditions. Battery charge indicators, or fuel gauges, have become essential for managing devices such as smartphones, tablets and back-up battery packs. Accurate timeremaining predictions enhance the user s experience, and can be critical in certain types of portable electronics such as medical devices. The STBCFG01 uses accurate measurements of the battery voltage to estimate the battery s state-of-charge (SOC). Features Single chip solution: battery charger + fuel gauge + OTG + LDO Charge current up to 1.2 A Instant-on operation: System loads powered with deeply discharged or dead batteries Fewer external components Benefits Space saving ~10% Overall system reliability improvement Reduced BOM cost: current sensing resistor not needed

12 Battery Management Highlights: STNS01 STNS01 is a linear battery management IC integrating power path, battery protection, LDO and shipping mode functionality. Shipping mode reduces battery consumption during shelf life. Power path is suitable to startup the system in dead battery condition. Features Charge current programmable up to 200 ma Integrated 3.1 V LDO regulator Automatic power path management Battery protection Very low battery leakage (4.5 µa typ) Benefits Space saving thanks to the integration of LDO and battery protection and low thickness DFN 3x3 package Overall system reliability improvement Allows user to customize own battery

13 Max Charging Current Battery Management 13 4A 3 A 2 A Linear Battery Charger Linear Charger, LDO, Photo Coupler Driver Linear Charger, Power path, LDO, Shipping Mode 100nA Dual Coil Switching Battery Charger, OTG, Power Path Switching Battery Charger, LDO, OTG, Fuel Gauge Switching Battery Charger, Dual Input, OTG, Power Path, Fuel Gauge PM2131 STBPMxx * * Coming Soon 1.2 A 1.1 A 1 A L6924D L6924U STBC21 2.9V LDO STBCFG V LDO 800mA STC4054 STBC08 200mA 100mA STNS01 3.1V LDO Performance

14 Battery Management Charger Type Part number Max Charging Current Charging Voltage OTG current Embedded LDO V IN Absolute Max Package Type PM Amp 3.5 to 4.5V 1 A - Switching 20V Flipchip BCFG Amp 3.52 to 4.78V 500 ma 4.85V STBC Amp 4.2V - 2.9V 7V HTSSOP Linear L6924D/U 1 Amp 4.1 or 4.2V V QFN STBC Amp 7V STC V - - TSOT23 STNS Amp - 3.1V 10 (16V) TDFN

15 DC-DC Converters ST s DC-DC synchronous converters are designed for consumer and portable applications. Buck, buck-boost and boost switching regulators must provide low power consumption, high-efficiency power conversion, and be available in very small packages from standard leadless plastic to flip-chip pure bumped silicon. The switching frequency control loop guarantees high dynamic response with very small inductor size. All products are optimized to work with Li-ion batteries, USB sources or the latest battery chemistries.

16 DC DC Converters Highlights: ST1S15 STBB3 ST1S15 is a 500 ma buck converter with powersaving mode, for low Iq applications (<45 µa) at light loads and high-speed transient response: 6 MHz PWM control loop. Available in miniature flipchip x mm² and TDFN x 2.0 mm² packages. STBB3 is a 2 A buck-boost converter with powersaving mode, for low Iq applications (<45 µa) at light loads and high current load up to 2.4 A. Available in miniature flip-chip x 1.75 mm² package.

17 DC-DC Converters Output Current 2A Buck converter Buck boost converter Boost converter Full PWM Control ST1S09 1.5A STBB3JCC ST2S08 2x750mA ST1S06 STBB3JR 1A STBB1A ST8R00 Up to 12V 0.8A STBB2J 0.7A ST1S12 0.5A L6920DB ST1S15 ST2S06 2x500mA 0.35A L6920DB 0.2A 0.1A L6920DC STDO1812 Up to 20V 5μA 10μA 100μA 1mA Quiescent Current

18 DC DC Converter Topology Maximum current (ma) Part number Control Characteristics Package Type BUCK 500 ST1S15 PS/PWM LQ, 6 MHz Flipchip TDFN 700 ST1S12 PWM Low ripple, 1.7 MHz Tsot23 BOOST 1000 ST8R00 PWM Low Ripple, 1.2 MHz QFN 250, 350, 500 L6920x PS/PWM Low V IN start-up, 1 MHz Msop STBB1A LQ,1.5 MHz QFN BUCK BOOST 1800 STBB2x LQ, 3 MHz PS/PWM 2100 STBB3JR LQ, 2.2 MHz 2100 STBB3JCC Const. current HB-WLED Flipchip

19 LDOs ST offers a complete portfolio of high-performance LDOs, with stateof-the-art figures on the key merit parameters These LDO performances all fit into the smallest packages available ST s ultra-small, high-performance LDOs are particularly suitable for the latest generation of portable devices

20 LDOs Highlights: LD39130 LD39020 LD39130: 300 ma LDO with auto green-mode, for ultra-low Iq (<1 µa) at low loads. Available in miniature CSP4 bumps 0.69 x 0.69 mm 2 and DFN6 1.2 x 1.3 mm 2 packages. LD39020: 200 ma LDO with very high PSRR (80 1 khz) and 0.5% precision. Available in miniature DFN4 1 x 1 mm 2 package. STLQ015 STLQ015: 150 ma LDO with ultra-low Iq (1 µa) in all operating current range. Available in SOT x 1.6 mm² package. LDLN015 LDLN015: 200 ma LDO with ultra-low noise (6.3 µv RMS ) and very high PSRR (92 1 khz). Available in DFN6 2 x 2 mm² package.

21 LDOs

22 LDOs Characteristics Part number Maximum current (A) Package Package dimensions (mm²) Quiescent no load (µa) Cost effective LDK LDK130 SC70 DFN6 2x2 1.2x Green mode Ultra-low Iq LD CSP4 bumps DFN6 0.69x x1.3 <1 Low Noise Very low drop LD x LD39115J CSP4 bumps 150 LD39015J 1.1x LD DFN6 3x3 20 Ultra-low noise LDLN015 DFN6 2x2 17 Capacitor-less LDCL015 SOT23 3x Ultra-low Iq STLQ015 SOT x1.6 1 High PSRR LD59015 SC70 2x2 31 LD DFN4 1x1 20

23 Thank you!