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Texas Instruments UCC27211DDA | Demoboard TIDA-010087
120-V Boot, 4-A Peak, High-Frequency High-Side and Low-Side Driver
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-37 V |
| IC revision | E2 |
Description
This reference design illustrates a method to precisely control the current and voltage of a bidirectional interleaved buck-converter power stage using a C2000™ microcontroller (MCU) and a precision ADC ADS131M08. This design achieves less than ±20-mA current regulation error, and ±1-mV voltage regulation error by utilizing a high-resolution pulse-width modulation (PWM) generation peripheral of the C2000 MCU.FeaturesDual-phase interleaved 600-W bidirectional buck power stage15.8-bits PWM resolution at 100-kHz switching frequencyExternal delta-sigma ADC for closed-loop controlConstant current charging and discharging with regulation error < ±20 mAConstant voltage mode supported in both charging and discharging with regulation error < ±1 mV
Typical applications
- 100-A Dual-phase digital control battery tester reference design
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 | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Packaging | L(µH) | Size | IR(A) | ISAT,30%(A) | fres(MHz) | Core Material | Pins | Color | Gender | 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 ° | – | – | – | – | – | – | – | – | Length1.6 mm | PackagingTape and Reel | – | Size0603 | – | – | – | – | – | – | – | ||||
 | WCAP-PSLC Aluminum Polymer Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PSLC Aluminum Polymer Capacitors | – | – | – | – | – | – | – | Capacitance470 µF | Rated Voltage16 V (DC) | Endurance 2000 | Ripple Current5100 mA | ESR10 mΩ | Leakage Current1504 µA | Dissipation Factor10 % | Diameter10 mm | Length12.4 mm | Packaging15" Tape & Reel | – | Size10.0 x 12.4 | – | – | – | – | – | – | – | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length2.44 mm | PackagingBag | – | – | Rated Current3 A | – | – | – | Pins1 | ColorBlack | GenderJumper | |||
 | WE-HCFT THT High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCFT THT High Current Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length41 mm | – | Inductance6.8 µH | Size3540 | Rated Current56.7 A | Saturation Current @ 30%76.5 A | Self Resonant Frequency16 MHz | Core MaterialMnZn | Pins2 | – | – |