TPS54240DGQR

LM2596S-12/NOPB is a Texas Instruments LM2596 SIMPLE SWITCHER fixed 12 V step-down (buck) regulator — 3 A, 4.5 to 40 V input, 150 kHz fixed-frequency internal oscillator, in the 5-lead TO-263 surface-mount package (S), tube packing, NOPB lead-free, operating -40 to +125 °C. The fixed 12 V version is the selection point: the classic 24 V industrial bus down to a 12 V rail with no feedback divider, so fewer external parts and no resistor-tolerance error — the datasheet circuit needs only four external components. Selection advice: choose the fixed 12 V code when the rail is known (5 V and 3.3 V codes exist in the same family) and the adjustable LM2596S-ADJ only when the voltage must be trimmable. The 150 kHz frequency keeps the design simple and cheap but demands a larger inductor than modern megahertz switchers, and as a non-synchronous part it cannot match modern synchronous bucks on light-load efficiency — check that trade before committing. Thermal shutdown, current limiting and TTL shutdown are built in. The S (TO-263) is the SMD package; for through-hole heatsinking look at the T (TO-220) codes. Evidence: TI/National LM2596 datasheet and distributor listings confirm 12 V fixed, 3 A, 4.5-40 V, 150 kHz and TO-263. Match the full LM2596S-12/NOPB code for voltage, package and lead-free packing. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

LM2596S-3.3/NOPB is a Texas Instruments LM2596 SIMPLE SWITCHER fixed 3.3 V step-down (buck) regulator — 3 A, 4.5 to 40 V input, 150 kHz fixed-frequency internal oscillator, in the 5-lead TO-263 surface-mount package (S), tube packing, NOPB lead-free, operating -40 to +125 °C. The fixed 3.3 V version is the selection point: no feedback divider, so fewer external parts and no resistor-tolerance error on the output — the datasheet circuit needs only four external components. Selection advice: choose the fixed-voltage code when the rail is known (3.3 V here; 5 V and 12 V codes exist) and the adjustable LM2596S-ADJ only when the voltage must be trimmable. The 150 kHz switching frequency means a larger inductor than modern megahertz switchers, but also a simpler, cheaper, well-understood design — the trade to check is light-load efficiency, since this non-synchronous part cannot match modern synchronous bucks there. Thermal shutdown, current limiting and TTL shutdown are built in. The S (TO-263) is the SMD package; for through-hole heatsinking look at the T (TO-220) codes. Evidence: TI/National LM2596 datasheet and distributor listings confirm 3.3 V fixed, 3 A, 4.5-40 V, 150 kHz and TO-263. Match the full LM2596S-3.3/NOPB code for voltage, package and lead-free packing. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

LM2596S-ADJ/NOPB is a Texas Instruments SIMPLE SWITCHER 3 A step-down regulator in TO-263-5 (DDPAK), tube — for general-purpose buck conversion: appliances, industrial power and pre-regulation. 3 A switching with only a handful of external components is the selection point: the classic easy-to-design buck. Selection advice: the S suffix denotes the TO-263 surface-mount package — for through-hole, the TO-220 LM2596T variants are the siblings; ADJ is the adjustable 1.2 V to 37 V version — for fixed 3.3 V, 5 V or 12 V rails, the fixed versions need no feedback divider; the 150 kHz switching keeps design simple but needs a larger inductor than modern MHz bucks — pick it for simplicity and proven supply, not for smallest size. 4.5 V to 40 V input. TI lists this part as ACTIVE. Parameters verified against the TI official product page. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

LM2596SX-5.0/NOPB is a Texas Instruments LM2596 SIMPLE SWITCHER fixed 5 V step-down (buck) regulator — 3 A, 4.5 to 40 V input, 150 kHz fixed-frequency internal oscillator, in the 5-lead TO-263 surface-mount package, tape-and-reel packing (X suffix), NOPB lead-free, operating -40 to +125 °C. The fixed 5 V version is the selection point: the standard 12 V or 24 V bus down to a 5 V logic rail with no feedback divider — four external components per the datasheet circuit and no resistor-tolerance error on the output. Selection advice: the X suffix is the procurement decision — reel packing for automated SMT lines and volume builds versus the tube-packed S codes for prototyping; do not mix packing codes on one production BOM. Electrically the same family cautions apply as the tube versions: 150 kHz means a larger inductor than modern switchers, non-synchronous so light-load efficiency trails modern synchronous bucks, with thermal shutdown, current limiting and TTL shutdown built in. Choose the fixed 5 V code when the rail is known; the adjustable LM2596S-ADJ only when the voltage must be trimmable. Evidence: TI/National LM2596 datasheet and distributor listings confirm 5 V fixed, 3 A, 4.5-40 V, 150 kHz, TO-263 and reel packing. Match the full LM2596SX-5.0/NOPB code. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

TPS5430DDA is a Texas Instruments 3 A step-down (buck) converter, 5.5 to 36 V input, 1.221 to 31 V adjustable output, fixed 500 kHz, in the 8-pin HSOP PowerPAD package (DDA = tube packing) — the classic 24 V-bus to 5 V/3.3 V workhorse for industrial controls, PLCs and communication power. The 36 V input ceiling plus internal 110 mΩ high-side MOSFET is the selection point: it regulates 24 V nominal rails (with surge headroom) down to logic voltages with few external parts, using voltage-mode control with input feed-forward and internal compensation to simplify loop design. Selection advice: the DDA suffix is the tube-packed HSOP-8 PowerPAD; order TPS5430DDAR for tape and reel — same die, different packing, so match the suffix to your SMT line. This is a non-synchronous buck, so the external Schottky diode (e.g. B340A in the TI reference design) is mandatory, not optional; and the exposed PowerPAD must be soldered to the PCB for rated thermal performance. For lower-voltage rails compare TPS5431 (23 V max input); for a synchronous alternative without the diode, look at a different family. Parameters verified against TI datasheet SLVS632. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

TPS5430DDAR is a 3 A step-down switching regulator from Texas Instruments in an 8-pin SO PowerPAD package, for distributed power architectures — point-of-load rails derived from a higher-voltage bus. Its advantage over linear regulation is efficiency: at 3 A output, a switcher wastes far less power as heat, which shrinks heatsinking and improves system reliability. Selection advice: the DDA suffix denotes the thermally enhanced PowerPAD package and R tape-and-reel packing — thermal performance depends on the PowerPAD soldered to copper, so follow the datasheet layout guidance. Switching regulators need their inductor and compensation network designed around the chip; confirm your input/output voltage and current requirements against the datasheet before substituting a different regulator. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

TPS54560BDDAR is a Texas Instruments 60 V, 5 A step-down regulator with integrated high-side MOSFET in 8-pin HSOIC PowerPAD — for wide-input industrial rails where one part must cover 12 V, 24 V and 48 V buses: factory automation, telecom and automotive body electronics. 92 mΩ high-side MOSFET, 100 kHz to 2.5 MHz adjustable switching frequency, 146 µA light-load quiescent current with Eco-mode, and -40 to +150°C junction range. Ranked #15 on the 创芯指数 March 2026 search-surge chart with a 775.99% month-on-month search increase, driven by the broad industrial power restocking wave. Selection advice: the BDDAR code is the HSOIC-8 reel version — the 60 V rating covers 48 V nominal buses with margin, while the 42 V TPS54360 suits cost-sensitive 24 V-only designs; set the switching frequency above the AM band for noise-sensitive systems. Parameters verified against Texas Instruments documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

TPS62160DSGR is a Texas Instruments DCS-Control synchronous step-down converter in 2 x 2 mm WSON-8, tape and reel — for high-density power rails: battery systems and 12 V intermediate rails. 2.25 MHz switching with 17 µA quiescent current is the selection point: tiny inductors plus high light-load efficiency. Selection advice: the DSGR suffix denotes the 2 x 2 mm WSON-8 package — for the 3 x 3 mm VSSOP-8, the DGK variants are the siblings; TI documents pin-to-pin compatibility with the TPS62170 and TPS62125 — verify against the datasheet before substituting; the adjustable 0.9 V to 6 V version suits non-standard rails, fixed versions exist for standard rails. 3 V to 17 V input, up to 1 A output. TI lists this part as ACTIVE. Parameters verified against the TI official product page. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

F: 3.0-A standalone switch-mode buck charger with NVDC power path for single-cell Li-Ion/Li-polymer, 3.9-13.5-V input, 19.5-mohm BATFET, 9.5-uA battery leakage, WQFN-24. A: Full FET integration and hardware-configurable JEITA profile deliver fast charging without host firmware management. B: Shorter firmware development and faster time-to-market for portable devices. E: Ranked on hqbuy.com real-time hot list (2026-10-14). Selection advice: pick BQ25616 over the I2C siblings BQ25618/BQ25619 when the host MCU should not own charging registers; note this RTWR orderable is the WQFN-24 tape-and-reel option. Parameters verified against Texas Instruments documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

BQ25790 is Texas Instruments’ 5-A buck-boost battery charger for 1-to-4-cell Li-ion/Li-polymer packs in 2.9x3.3mm WCSP-56 — for USB-C PD charging where input voltage swings both above and below the battery voltage: the integrated buck-boost stage (all four switching FETs plus battery FET on-chip) automatically transitions between buck, boost and buck-boost without host intervention. 97% charging efficiency at 30 W, 3.6-to-24 V input range, NVDC power-path management that keeps the system alive even with a dead or removed battery, dual-input selector (USB, barrel, wireless, solar), D+/D- handshake for legacy fast-charge adapters, and I2C host control with an integrated ADC for telemetry. USB-C/PD compatible, -40 to +85°C. Selection advice: the WCSP package is the smallest footprint option — for easier assembly specify the QFN sibling BQ25792; for solar-input designs the BQ25798 variant adds MPPT. State cell count and input source mix in the RFQ so the offered lot is matched to the right charge profile. Parameters verified against Texas Instruments documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

Microchip and Navitas showed an 800V-to-6V GaN reference design for AI racks, targeting 96% efficiency. What the design actually is, what it signals for component selection, and a five-point buyer checklist.