# BQ25798RQMR (Component) ## Description BQ25798RQMR QFN-29_L4.0-W4.0-P0.40-TL-BQ25792RQMR LCSC Part Number: C2876593 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) Texas Instruments BQ25798 fully integrated switch-mode buck-boost battery charger for 1-4 cell Li-ion and Li-polymer batteries, supports USB PD 3.0 power profile, integrates four switching MOSFETs, BATFET, input and charging current sensing, 3.6V to 24V input operating range with 30V absolute maximum, 750kHz or 1.5MHz switching frequency, up to 5A charging current with 10mA resolution, up to 96.5% efficiency, supports MPPT for photovoltaic charging, USB BC1.2/HVDCP/non-standard adapter detection, NVDC power path management, USB OTG output from 2.8V to 22V up to 3.32A, I2C control, integrated 16-bit ADC, low quiescent current, thermal regulation, OVP/OCP protection, safety timer, 29-pin 4x4mm QFN package. Search Keywords: BQ25798, Texas Instruments BQ25798, TI BQ25798, BQ25798 battery charger, BQ25798 buck boost charger, BQ25798 Li-ion charger, BQ25798 Li-polymer charger, 1-4 cell battery charger, USB PD 3.0 battery charger, buck boost charger IC, NVDC power path charger, MPPT battery charger IC, photovoltaic battery charger, USB OTG charger IC, 5A charging current charger, I2C battery charger, BQ25798 QFN-29, 4x4mm QFN charger, BQ25798 datasheet Hashtags: #BQ25798 #TexasInstrumentsBQ25798 #TIBatteryCharger #BatteryChargerIC #BuckBoostCharger #LiIonCharger #LiPolymerCharger #1to4CellCharger #USBPDCharger #USBPD30 #NVDCCharger #PowerPathManagement #MPPTCharger #PhotovoltaicCharger #USBOTGCharger #5ACharger #I2CCharger #IntegratedADC #QFN29 #4x4mmQFN ## Component Details - **Owner:** lcsc - **Created:** 10/31/2024 - **Last Updated:** 6/4/2026 - **Visibility:** Public - **Manufacturer Name:** TI(德州仪器) - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/bq25798.pdf - **Symbol Style:** parametric-v1 - **LCSC Part Number:** C2876593 - **Part Type:** Integrated Circuit - **Package or Case Code:** QFN-29_L4.0-W4.0-P0.40-TL-BQ25792RQMR - **Manufacturer Part Number:** BQ25798RQMR - **JLCPCB Part Class:** Extended Part - **Used in:** 24 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 | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/bq25798rqmr/texas-instruments?utm_currency=USD&region=asia) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/BQ25798RQMR/15666783) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C2876593.html) | $2.6692 | 5.7K | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/BQ25798RQMR?qs=ljCeji4nMDmr66dwAbNsCg%3D%3D) | $5.07 | 3.2K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** BQ25798RQMR - **Mount Type:** Through Hole - **Package / Case Code:** 16-QFN - **Pin Count:** 29 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | STAT | | | 2 | VBUS | | | 3 | VBUS | | | 4 | BTST1 | | | 5 | REGN | | | 6 | D+ | | | 7 | D- | | | 8 | VAC2 | | | 9 | VAC1 | | | 10 | ACDRV2 | | | 11 | ACDRV1 | | | 12 | ~{QON} | | | 13 | ~{CE} | | | 14 | SCL | | | 15 | SDA | | | 16 | TS | | | 17 | ILIM_HIZ | | | 18 | BATP | | | 19 | BTST2 | | | 20 | PROG | | | 21 | ~{INT} | | | 22 | BAT | | | 23 | BAT | | | 24 | SDRV | | | 25 | SYS | | | 26 | SW2 | | | 27 | GND | | | 28 | SW1 | | | 29 | PMID | | --- *Generated from [https://www.flux.ai/lcsc/bq25798rqmr~1md8](https://www.flux.ai/lcsc/bq25798rqmr~1md8)*