Power Management Solutions for Set-Top Box and Digital TV Advancements of technology with video electronic equipment are opening doors for new exciting products. To remain viable in today’s competitive marketplace, an efficient, reliable power management system is vital for lower power consumption to meet energy usage requirements. At Texas Instruments (TI), we provide design experience and differentiated power management products to give your application a competitive edge. Our cost-competitive offering includes products such as power factor correction ICs, AC/DC PWM con-trollers, point of load DC/DC controllers and converters with integrated MOSFETs, low dropout (LDO) and linear regulators, and power interface switches. In addition, we supply the tools and support to get your video application to market quickly. TI Power Management Products wants to help you create the next generation of video electronics. Set-Top Box 1.2 V MPEG Decoder User Interface Step Down MIPS Processor Voice CODEC Video CODEC Tuner/ Demodulator 3.3 V USB, Cardbus Audio CODEC Video DAC Memory DDR3 TVI TDMS 5V Video Amps Audio Amps AC/DC Others 12 VDC 85 to 265 VAC Example digital set-top box power block diagram. Digital Television LCD Display Power LED Driver Standby Power Audio Amps Video Amps DC/DC 5V DVI/ HDMI Audio CODEC Tuner/ Demodulator AC/DC Scaling Processor 85 to 265 VAC 3.3 V MPEG Processor Memory DDR3 Step Down Video Decoder User Interface USB, Cardbus 1.2 V Example digital television power block diagram. 385 to 400 VDC Device Description Function Features Package(s) 16SOIC Power Factor Correction ICs UCC28063 Natural interleaving, transition mode PFC Controller Advanced audible noise performance, phase management failsafe OVP, reduced bias current UCC28019A Continuous conduction mode PFC Controller Fixed 65 kHz operating frequency, max duty cycle 98% OVP, UVP, brown out protection 8PDIP, 8SOIC PWM Controllers for Off-Line Supply UCC25600 LLC half bridge resonant controller Resonant Mode Controller Prog. max/min switch freq with 4% accuracy, dead time and soft start, bias voltage UVLO and OVP, integrated gate driver 8SOIC UCC28600 Green Mode, quasi-resonant flyback controller PWM Controller Freq foldback and burst modes for light or no load operation, low standby and startup current, prog. OVP, dual mode OCP 8SOIC UCC2897A Advanced current mode active clamp controller PWM Controller 110 V start-up, 1 MHz max Fsw, prog. dead time between outputs, internal slope compensation, peak current mode with cycle-by-cycle current limit, 2 A outputs, precise prog. max duty cycle 20QFN, 20TSSOP LM5027/A Voltage mode active clamp controller with SR control output PWM Controller 105 V start-up, voltage feed-forward, 1 MHz Fsw, prog. UVLO and soft start, dual mode OCP, prog. delay between outputs, 2 A NFET driver and 3 A SR driver 16SON, 16TSSOP, 16WQFN Step-Down DC/DC Converters (Integrated FETs) TPS54294/5 4.5 to 18 VIN, 0.76 minimum VOUT, dual 2 A Synchronous D-CAP2™ mode1, enable, PG, fixed 700 kHz, soft start (1 ms) 16HTSSOP, 16QFN TPS54327/8 4.5 to 18 VIN, 0.76 minimum VOUT, 3 A Synchronous D-CAP2 mode1, enable, fixed 700 kHz, adj. soft start 8SO PowerPAD™ TPS54319 2.95 to 6 VIN, 0.8 minimum VOUT, 3 A Synchronous Adj. frequency (to 2 MHz), PG, enable adj. soft start/ sequencing 16WQFN TPS54331 3.5 to 28 VIN, 0.8 minimum VOUT, 3 A Non-Synchronous Fixed 570 kHz, adj. soft start, enable, Eco-mode™ 8SO PowerPAD ® LMR10520 SIMPLE SWITCHER 5.5 VIN, 2 A step-down voltage regulator Non-Synchronous 3 MHz Fsw, low Iq, soft start, min. BOM count 8SOIC LMR12010 SIMPLE SWITCHER 20 VIN, 1 A step-down nano regulator Non-Synchronous 1.6 MHz Fsw, low Iq, soft start, min. BOM count TPS54527/8 4.5 to 18 VIN, 0.76 minimum VOUT, 5 A Synchronous D-CAP2 mode, enable, fixed 650 kHz, adj. soft start TPS54821 4.5 to 17 VIN, 0.6 minimum VOUT, 8 A Synchronous Adj. frequency (to 1.6 MHz), PG, enable power sequencing, adj. soft start TPS5432 2.95 to 6 VIN, 0.8 minimum VOUT, 3 A Synchronous Fixed 700 kHz, adj. soft start, current mode control LM20323/33/43 4.5 to 36 VIN, 0.8 minimum VOUT, 3 A Synchronous Fixed, adj, or sync Fsw; PG, EN, UVLO, 1.5% accuracy LM20242 4.5 to 36 VIN, 0.8 minimum VOUT, 2 A Synchronous Adj. Fsw, PG, EN, UVLO, 1.5% accuracy TSSOP-20 LM21305 3 to 18 VIN, 0.6 minimum VOUT, 5 A Synchronous Adj. Fsw, sync, PG, EN, 1.5% accuracy TSSOP-20 LM20123/33/43 2.95 to 5.5 VIN, 0.8 minimum VOUT, 3 A Synchronous Fixed, adj, or sync Fsw; PG, EN, UVLO, 1.5% accuracy QFN-28 SOT23-6, QFN-6 SOT23-6 8SO PowerPAD 14QFN 8SO PowerPAD Power Management Units TPS652510 4.5 to 16 VIN, triple DC/DC sync buck with integrated FETs PMU 300 kHz to 2.2 MHz, 3.5 A, 2.5 A max I, PG, enable, automatic pulse skipping, soft start 40VQFN TPS65258 4.5 to 16 VIN, triple DC/DC sync buck with integrated FETs and 2 USB switches PMU 300 kHz to 2.2 MHz, 3.5 A, 2.5 A max I, PG, enable, 1 A, 2 USB power switches with thermal protection 40VQFN TPS65252 4.5 to 16 VIN, dual DC/DC sync buck with integrated FETs and 1 USB switch and SVS PMU 300 kHz to 2.2 MHz, 3.5 A, 2.5 A max I, PG, enable, supervisory circuit, soft start 28VQFN TPS65270 4.5 to 16 VIN, dual DC/DC sync buck with integrated MOSFET PMU 300 kHz to 1.4 MHz, 3 A, 2 A max I, enable, soft-start current mode control, pulse skipping mode 24HTSSOP, 24VQFN 1 D-CAP2: No compensation, fast transient response. Digital Set-Top Box and Digital Television 2 Texas Instruments 2012 Device Description Function Features Package(s) Power Interface Products LM3017 High efficiency low-side boost controller with true shutdown Boost Controller Thunderbolt™ compliant, true shutdown LM34902/04 300 mA/500 mA current limited power switch Accessory Switch Thermal protection and load detection TPS2051C 500 mA current limited power switch TPS2223A Dual slot cardbus switch QFN-10 micro SMD-6 USB Switch Thermal and short circuit protection SOT23-5 PCMCIA Thermal and short circuit protection 24SSOP/HTSSOP Low Drop Out Regulators LP5900 2.5 V to 5.5 V input, 150 mA LDO Low noise (6.5 µVrms) SON, WCSP TPS709 2.5 V to 30 V input, 150 mA LDO 1 µA low Iq, enable, reverse current protection TLV702 2 V to 5.5 V input, 300 mA LDO LDO with enable LP2992/89 2.5 V to 16 V input, 250 mA, 3.98 V to 16 V input, 500 mA LDO High precision output voltage accuracy TPS75005 Dual LDO + 3 SVS LDO Dual 500 mA rails with sequencing TPS737 2.2 V to 5.5 V input, 1 A LDO Enable, fast transient, low dropout: 130 mv @ 1 A TLV1117 2 V to 5.5 V input, 1 A LDO General purpose 117, value line LP38502/3 2.7 V to 5.5 V input, 1.5 A/3 A LDO Enable, stable with any cap TPS7A7001 1.5 V to 6.5 V input, 2 A LDO Enable, 2% accuracy 8 SOIC TLV710 Dual LDO LDO Dual 200 mA rail with enable 6 SON TPS717 High BW PSRR, 150 mA LDO Enable, low noise, ultra-high PSRR SC-70, SON 8 V to 14.7 V VIN, VOUT up to 19 V, 2.8 A to 3.7 A switch current limit, 2.3 A step down converter 28HTSSOP SOT SOT-23, SON SOT23-5, 6SON, 6USON, 6WSON, 8QFN, 8SOIC, 8VSSOP, 8WSON SON SON, SOT-223, SON 3 TO-263/220, SOT 5PFM, 8QFN, 8WSON, TO-263, TO-263 Display Power TPS65161/A/B 4-ch LCD bias (2.8 A min. boost current limit) up to 19 V, 2.3 A min. buck current limit) Bias PS for TV and LCD TPS65162 4-ch LCD bias with integrated input-to-output isolation switch, 2 op-amps and GPM LCD Bias + HS Amps 8 V to 14.7 V VIN, boost up to 19 V, 2.5 A step down 500/750 kHz fixed freq, soft start, ± charge pump 48VQFN TPS65163 4-ch LCD bias with integrated 9-ch level shifter LCD Bias + Level Shift 8.6 V to 14.7 V VIN, boost up to 18.5 V, 1.5 A buck 750 kHz switch freq, 9-ch level shifter, gate shaping 48VQFN TPS65168 High resolution, fully programmable LCD bias IC for TV Prog. LCD Bias 8.6 V to 14.7 V VIN, 6-bit boost converter prog. buck, isolation switch, reset signal and sequencing 40WQFN TPS65176 LCD bias IC for TV 9.5 V to 14 V input range, 18.5 V boost with 3.5 A switch current, 2.5 A buck, soft start, UVLO, OVP 28VQFN TPS65177 8-ch level-shifter supporting different chargesharing methods and panel discharge TPS65178 Fully programmable LCD bias IC for TV with 6-ch gamma buffer, Vcom reference and dynamic gain Prog. LCD Bias 8.6 V to 14.7 V VIN, 6-bit boost converter buck conv., 6-ch gamma buffers, 9-bit Vcom ref, 2-bit Vcom gain, prog. sequencing delays 48VQFN TPS65170 4-ch LCD bias with regulators for external charge pump LCD Bias Supply 8.6 V to 14.7 V VIN, boost up to 18.5 V, 2.8 A boost, 1.5 A buck switch current limit 28VQFN TPS65192 9-ch level shifter for LCD displays with GPM Level Shifter VHigh levels to 38 V, VLow levels to -13 V panel discharge fn, gate voltage shaping 28VQFN TPS65193 5-ch level shifter for LCD displays (dual channel scan driver) Level Shifter VHigh levels to 35 V, VLow levels to -28 V logic level inputs, dual HV scan driver 24VQFN TPS65194 13-ch level shifter for LCD TVs and monitors Level Shifter Vst and reset outputs, odd and even outputs panel discharge output, abnormal op detection 24VQFN TPS65196 15-ch level shifter for large size TVs Level Shifter 8 CLK outputs, panel discharge output, soft start, supports all display resolutions and forward/reverse operation 28VQFN TPS65197 8-ch level-shifter supporting different chargesharing methods and panel discharge Level Shifter Supports 6 x CLK, STV, RESET selectable charge sharing, 2-ch panel discharge 28WQFN TPS65198 13-ch level shifter with op-amp for LCD TVs and monitors Level Shifter 6 CLK outputs, panel discharge output, supports all display resolution, high-speed op amp 28WQFN LCD Bias Level Shifter Gate pulse modulation, temperature compensation for VGH, I2C compatible Interface, 8.6 V to 14.7 V input 1 D-CAP2: No compensation, fast transient response. Digital Set-Top Box and Digital Television 3 Texas Instruments 2012 Device Description Function Features Package(s) White LED Driver 8 V to 30 V input voltage, drives 8 parallel LED strings high power boost with adaptive output, max 70 mA/string 5000:1 PWM dimming ratio at 200 kHz 20HTSSOP 38TSSOP LED Backlighting TPS61199 White LED driver for LCD monitors backlighting TLC5960 8-ch LED driver controller with integrated intelligent thermal controller LED Driver 8-ch, 250 kHz PWM dimming, integrated 5 V reg. and POR, LED protection TLV803/09/10/63, LM809 3-pin voltage supervisor Supervisor 200 ms of fixed delay 3 Pin SOT-23, LLP-6 TPS3895/6/7/8, LM3704 Ultra-small package Supervisor Enable, cap adj. delay time, threshold down to 0.5 V µSON, Micro SMD-9, MSOP-10 TPS3103, LM8365 Ultra-low Iq Supervisor Iq 1.2 µA, 130 ms delay time, 0.75% accuracy TPS3700, LM3704/10/24 High-voltage, OV, UV, supervisor Supervisor Supply up to 18 V, 1% accuracy, OV/UV detection TPS3839 Ultra-low-power 3-pin supervisor Supervisor 250 nA Iq, 200 ms delay PWM+LDO Sync buck controller, 2-A LDO, buffered ref. termination reg. output of 0.5 to 0.9 V, 2 A sink/source buffered ref. 10 mA sink/source, 1% accuracy 20QFN 10SON Supervisors 6 SOT-23 6 SOT-23, Micro SMD-9/ mini SOIC/SOT23-5 µSON, 3 SOT-23 DDR Memory Power Solutions TPS51916 DDR2, DDR3,DDR3L memory power solution TPS51206 2 A peak sink/source DDR termination regulator with buffered reference for DDR2, DDR3, DDR3L LDO Termination reg. output of 0.5 to 0.9 V, 2 A sink/source buffered ref. 10 mA sink/source, 1% accuracy TPS51100 3 A source/sink DDR terminator regulator LDO 2.5 to 7 VIN, 50 kHz to 1 MHz operating freq, UVLO internal precision ref. 1.25 V ± 1%, totem-pole ref. TPS51200 Sink/source DDR/DDR2/DDR3 termination regulator LDO Enable, PG, soft start, UVLO, OCL, 10 mA buffered ref 10SON LP2997/8 DDR/DDR2 termination regulator LDO 2.5 to 5.5 VIN, up to 1.5 A output current sink/source current, low offset voltage, no ext. R required 8SOIC 16TSSOP 1 D-CAP2: No compensation, fast transient response. www.ti.com/power www.ti.com/settopbox www.ti.com/dtv The platform bar, Eco-mode, D-CAP2 and PowerPAD are trademarks and SIMPLE SWITCHER is a registered trademark of Texas Instruments. All other trademarks are the property of their respective owners. © 2012 Texas Instruments Incorporated SLUB010A IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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