# LM5176PWPR (Component) ## Description DC-DC Controllers LM5176PWPR HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP LCSC Part Number: C442493 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments LM5176 synchronous 4-switch buck-boost DC/DC controller, regulates output voltage above, below or equal to input voltage, wide 4.2V to 55V input voltage range with 60V absolute maximum, adjustable 0.8V to 55V output voltage, single-inductor buck-boost architecture, current-mode control, high-efficiency buck-boost transition, adjustable switching frequency with optional synchronization and dithering, integrated 2A MOSFET gate drivers, cycle-by-cycle current limit, optional hiccup protection, input UVLO, soft-start, power-good output, output overvoltage protection, available in HTSSOP-28 and QFN-28 packages. Search Keywords: LM5176, Texas Instruments LM5176, TI LM5176, LM5176 buck boost controller, LM5176 4 switch buck boost, LM5176 synchronous buck boost controller, 55V buck boost controller, 4.2V to 55V DC DC controller, adjustable buck boost controller, single inductor buck boost controller, LM5176 HTSSOP-28, LM5176 QFN-28, LM5176 power supply controller, LM5176 USB power delivery, LM5176 battery powered systems, LM5176 LED lighting, LM5176 datasheet Hashtags: #LM5176 #TexasInstrumentsLM5176 #TIBuckBoostController #BuckBoostController #SynchronousBuckBoost #4SwitchBuckBoost #DCDCController #55VController #SingleInductorBuckBoost #CurrentModeController #MOSFETGateDriver #2AGateDriver #AdjustableFrequencyController #UVLOController #PowerGoodController #OutputOVP #HTSSOP28 #QFN28 ## Component Details - **Owner:** lcsc - **Created:** 11/2/2024 - **Last Updated:** 6/3/2026 - **Visibility:** Public - **Manufacturer Part Number:** LM5176PWPR - **LCSC Part Number:** C442493 - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/lm5176.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1780518066850&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Flm5176 - **Package or Case Code:** HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP - **Symbol Style:** parametric-v1 - **Part Type:** DC-DC Controllers - **Manufacturer Name:** TI(德州仪器) - **JLCPCB Part Class:** Extended Part - **Used in:** 26 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C442493.html) | $2.3448 | 3.1K | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM5176PWPR?qs=gt1LBUVyoHk0fvuzFST3Ew%3D%3D) | $7.77 | 0 | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** LM5176PWPR - **Mount Type:** PCB - **Package / Case Code:** 28-HTSSOP - **Pin Count:** 29 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | EN/UVLO | | | 2 | VIN | | | 3 | VISNS | | | 4 | MODE | | | 5 | DITH | | | 6 | RT | | | 7 | SLOPE | | | 8 | SS | | | 9 | COMP | | | 10 | AGND | | | 11 | FB | | | 12 | VOSNS | | | 13 | ISNS(-) | | | 14 | ISNS(+) | | | 15 | CSG | | | 16 | CS | | | 17 | PGOOD | | | 18 | SW2 | | | 19 | HDRV2 | | | 20 | BOOT2 | | | 21 | LDRV2 | | | 22 | PGND | | | 23 | VCC | | | 24 | BIAS | | | 25 | LDRV1 | | | 26 | BOOT1 | | | 27 | HDRV1 | | | 28 | SW1 | | | 29 | EP | | --- *Generated from [https://www.flux.ai/lcsc/lm5176pwpr~io2d](https://www.flux.ai/lcsc/lm5176pwpr~io2d)*