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Texas Instruments LM46001PWPR | Demoboard TIDA-01057
3.5 to 60V, 1A Synchronous Step-Down Voltage Converter
Overview
| Topology | Buck Converter |
| Input voltage | 3.5-60 V |
| Switching frequency | 200-2200 kHz |
| Output 1 | 2 A |
Description
This reference design is designed for high performance data acquisition(DAQ) systems to improve the dynamic range of 20 bit differential input ADCs. Many DAQ systems require the measurement capability at a wide FSR (Full Scale Range) in order to obtain sufficient signal dynamic range. Many earlier reference designs for SAR ADCs have used the THS4551 FDA (fully differential amplifier). However, the THS4551 is limited to a 5.4V maximum supply which is not sufficient for realizing the true 10Vpp differential output (10V FSR) required to maximize the dynamic range of SAR ADCs with a 5V reference. This reference design explores the benefits of a true 10Vpp differential output by implementing TI's new THS4561 FDA which has a maximum supply of 12.6V. You will see that this design was able to achieve superior performance to the previous design (TIDA-01054) while also lowering overall power consumption.
Features
24-µA Quiescent Current in RegulationHigh Efficiency at Light Load (DCM and PFM)Meets EN55022/CISPR 22 EMI standardsIntegrated Synchronous RectificationAdjustable Switching Frequency: 200 kHz to 2.2 MHz (500 kHz default)
Typical applications
- Sub-AM Band 12-V and 24-V Automotive / Commercial Vehicle Power Supplies
- Telecommunications Systems
- Industrial Power Supplies
- General Purpose Wide VIN Regulation / High Efficiency Point-Of-Load Regulation
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | 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 | Q(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | Ti | Ø ID(mm) | Ø OD(mm) | Qty. | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Pins2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Size2828 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.8 mm | Width2.8 mm | Height2.8 mm | – | – | Inductance6.8 µH | Rated Current1.1 A | Saturation Current1.3 A | Self Resonant Frequency59 MHz | MountSMT | – | – | – | Packaging Unit550 | – | ||||
 | WE-TPC SMT Tiny Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Pins2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Size3816 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length3.8 mm | Width3.8 mm | Height1.65 mm | – | – | Inductance68 µH | Rated Current0.32 A | Saturation Current0.22 A | Self Resonant Frequency12 MHz | MountSMT | – | – | – | Packaging Unit1000 | – | ||||
 | WR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular, 2, Rising Cage Clamp | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 26 to 16 (AWG) 0.5 to 1.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | Length10 mm | – | – | – | PackagingBox | – | Rated Current10 A | – | – | MountTHT | – | – | – | – | Working Voltage250 V (AC) | ||
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length5.08 mm | – | – | – | PackagingBag | – | Rated Current3 A | – | – | MountTHT | – | – | – | – | Working Voltage250 V (AC) | |||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | – | PackagingBag | – | Rated Current3 A | – | – | MountTHT | – | – | – | – | Working Voltage250 V (AC) | |||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.7 mm | – | PackagingTape and Reel | – | – | – | – | MountSMT | – | – | – | Packaging Unit4000 | – | |||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance100 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | Packaging Unit4000 | – | |||||
 | WA-SMSI SMT Steel Spacer with internal Thread M3, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SMSI SMT Steel Spacer with internal Thread M3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -55 °C up to +150 °C | – | – | – | Length5 mm | – | – | – | PackagingTape and Reel | – | – | – | – | – | Inner ThreadM3 | Inner Diameter4.2 mm | Outer Diameter6 mm | Packaging Unit650 | – |