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Texas Instruments TPS61241 | Demoboard LAUNCHXL-F28P65X
C2000™ real-time MCU F28P65x LaunchPad™ development kit
Overview
| Topology | Boost Converter |
| Input voltage | 2.3-5.5 V |
| Output 1 | 5 V |
| IC revision | A |
Description
The TPS6124x device is a highly efficient synchronous step-up DC-DC converter optimized for products powered by either a three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-Polymer battery. The TPS6124x supports output currents up to 450 mA. The TPS61240 has an input valley current limit of 500 mA, and the TPS61241 has an input valley current of 600 mA.With an input voltage range of 2.3 V to 5.5 V, the device supports batteries with extended voltage range and are ideal to power portable applications like mobile phones and other portable equipment. The TPS6124x boost converter is based on a quasi-constant on-time valley current mode control scheme.The TPS6124x presents a high impedance at the VOUT pin when shut down. This allows for use in applications that require the regulated output bus to be driven by another supply while the TPS6124x is shut down.During light loads the device will automatically pulse skip allowing maximum efficiency at lowest quiescent currents. In the shutdown mode, the current consumption is reduced to less than 1 µA.TPS6124x allows the use of small inductors and capacitors to achieve a small solution size. During shutdown, the load is completely disconnected from the battery. The TPS6124x is available in a 6-pin DSBGA and 2-mm × 2-mm WSON package
Features
- Efficiency > 90% at Nominal Operating Conditions
- Total DC Output Voltage Accuracy 5.0 V±2%
- Typical 30-µA Quiescent Current
- Best in Class Line and Load Transient
- Wide VIN Range From 2.3 V to 5.5 V
- Output Current up to 450 mA
- Automatic PFM/PWM Mode Transition
- Low Ripple Power Save Mode for ImprovedEfficiency at Light Loads
- Internal Softstart, 250-μs Typical Start-Up Time
- 3.5-MHz Typical Operating Frequency
- Load Disconnect During Shutdown
- Current Overload and Thermal Shutdown Protection
- Three Surface-Mount External ComponentsRequired (One MLCC Inductor, Two Ceramic Capacitors)
- Total Solution Size <13 mm2
- Available in a 6-Pin DSBGA and 2-mm × 2-mm
Typical applications
- Cell Phones, Smart Phones, PDAs, Pocket PCs, Digital Cameras
- USB-OTG Applications Portable HDMI Applications
- Portable Media Players
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Pins | Type | Mount | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0805 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length2 mm | Width1.25 mm | Height0.7 mm | – | PackagingTape and Reel | – | – | MountSMT | – | – | ||||
| WCAP-CSGP MLCCs 16 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | Capacitance2.2 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.05 GΩ | Ceramic TypeX5R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | – | PackagingBag | Pins2 | TypeStraight | MountTHT | Rated Current3 A | Working Voltage250 V (AC) |