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BQ25798RQMR TI Battery Chargers
The BQ25798 is an I²C-controlled 1- to 4-cell buck-boost battery charger with dual-input selector and USB PD 3.0 OTG output, supporting up to 5-A charging . It features a 1.2-MHz switching frequency, integrated power path management, and a 3.3-V rail for system power. The device includes input overvoltage protection (OVP), thermal regulation, and safety timers. Packaged in a 36-pin VQFN (RQM) (4.5 mm × 4.5 mm) with PowerPAD, it is ideal for fast charging in portable devices. Applications include smartphones, tablets, power banks, and portable medical devices requiring high-efficiency charging and I²C control. In stock at HL Electronics – request a quote for fast delivery.
Pricing (USD)
| Quantity | Unit Price |
|---|---|
| 1+ | $ 2.07 |
| 100+ | $ 1.88 |
| 750+ | $ 1.82 |
| 1500+ | $ 1.79 |
| 3000+ | $ 1.75 |
Technical Specifications
- Part No.BQ25798RQMR
- Model BQ25798RQMR
- Category Integrated Circuits (ICs) > Power Management (PMIC) > Battery Chargers
- Manufacturer Texas Instruments
- Packaging Tape & Reel (TR)
- Part Status Active
- Battery Chemistry Lithium Ion/Polymer
- Number of Cells 1 ~ 4
- Current - Charging Constant - Programmable
- Programmable Features Current, Timer, Voltage
- Fault Protection Over Current, Over Temperature, Over Voltage
- Charge Current - Max 5 A
- Voltage - Supply (Max) 24 V
- Features I²C Interface, Power Path
- Operating Temperature -40°C ~ 125°C (TA)
- Mounting Type Surface Mount
- Supplier Device Package 29-VQFN (7x4)
- Base Product Number BQ25798
- RoHS ROHS3 Compliant
- Standard Package 3000