| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
63,661 pcs
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63661 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
6,000 pcs
|
6000 pcs | On Request | 1 | On Request | On Request | 24+ | On Request | On Request | |
|
2,810 pcs
|
2810 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Battery Chemistry | |
| Battery Pack Voltage | |
| Charge Current | |
| Current | |
| Efficiency | |
| Fault Protection | |
| Input Voltage | |
| Interface | |
| Mounting Type | |
| Number of Cells | |
| Operating Temperature | |
| Programmable Features | |
| Supplier Device Package | |
| Supplier Package | |
| Voltage |
The BQ25798RQMR from Texas Instruments is a highly integrated, switch-mode buck-boost battery charger IC. It is designed for 1-4 cell Li-ion and Li-polymer batteries, supporting USB PD 3.0 profiles.
Key electrical specifications include a maximum charge current of 5A, an input voltage range of 3.6V to 24V (with a 30V absolute maximum), and a battery pack voltage up to 18.8V. The device offers high efficiency, reaching 96.5%, and operates at switching frequencies of 750kHz or 1.5MHz. It provides precise control with charge voltage regulation of -0.25% to +0.65% and charge current regulation of ±5%.
This charger IC integrates features like Maximum Power Point Tracking (MPPT) for photovoltaic panels, enabling efficient solar charging. It also supports a narrow voltage DC (NVDC) power path, backup mode with ultra-fast switchover, and USB On-The-Go (OTG) functionality with adjustable output voltage from 2.8V to 22V and current regulation up to 3.32A.
The BQ25798RQMR is housed in a 29-pin VQFN package measuring 4mm x 4mm and is designed for surface mounting. It operates within a temperature range of -40°C to 85°C. The interface is I²C, allowing for flexible control and monitoring, including an integrated 16-bit ADC for voltage, current, and temperature.
| Qty | Low | High |
|---|---|---|
| 1+ | $2.07 | $2.07 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The BQ25798RQMR supports a maximum charge current of 5A.
It supports Lithium Ion/Polymer battery chemistries.
The input voltage range is from 3.6V to 24V.
The BQ25798RQMR is available in a 29-VQFN-HR (4x4) package.
The operating temperature range is -40°C to 85°C.
Yes, the BQ25798RQMR supports MPPT for charging from photovoltaic panels.
It can power a USB port from the battery with an OTG output voltage of 2.8V to 22V and current regulation up to 3.32A.