BQ25792RQMR
ActiveI2C CONTROLLED, 5-A, 1-4 CELL BUCK-BOOST CHARGER WITH DUAL-INPUT SELECTOR AND USB PD 3.0 OTG OUTPUT
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BQ25792RQMR
ActiveI2C CONTROLLED, 5-A, 1-4 CELL BUCK-BOOST CHARGER WITH DUAL-INPUT SELECTOR AND USB PD 3.0 OTG OUTPUT
Technical Specifications
Parameters and characteristics for this part
| Specification | BQ25792RQMR |
|---|---|
| Battery Chemistry | Lithium Ion/Polymer |
| Battery Pack Voltage | 18.8 V |
| Charge Current - Max | 5 A |
| Current - Charging | Constant - Programmable |
| Fault Protection | Over Voltage, Over Current, Short Circuit |
| Interface | I2C |
| Mounting Type | Surface Mount |
| Number of Cells [Max] | 4 |
| Number of Cells [Min] | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 29-VFQFN |
| Programmable Features | Voltage, Current, Timer |
| Supplier Device Package | 29-VQFN-HR (4x4) |
| Voltage - Supply (Max) [Max] | 24 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 6.06 | |
| 10 | $ 5.47 | |||
| 25 | $ 5.22 | |||
| 100 | $ 4.53 | |||
| 250 | $ 4.33 | |||
| 500 | $ 3.95 | |||
| 1000 | $ 3.44 | |||
| Digi-Reel® | 1 | $ 6.06 | ||
| 10 | $ 5.47 | |||
| 25 | $ 5.22 | |||
| 100 | $ 4.53 | |||
| 250 | $ 4.33 | |||
| 500 | $ 3.95 | |||
| 1000 | $ 3.44 | |||
| Tape & Reel (TR) | 3000 | $ 3.31 | ||
| Texas Instruments | LARGE T&R | 1 | $ 4.64 | |
| 100 | $ 3.78 | |||
| 250 | $ 2.97 | |||
| 1000 | $ 2.52 | |||
Description
General part information
BQ25792 Series
The BQ25792 is a fully integrated switch-mode buck -boost charger for 1-4 cell Li-ion batteries and Li-polymer batteries. The integration includes 4 switching MOSFETs (Q1, Q2, Q3, Q4), input and charging current sensing circuits, the battery FET (QBAT) and all the loop compensation of the buck-boost converter. It uses NVDC power path management, regulating the system slightly above the battery voltage without dropping below a configurable minimum system voltage. When system power exceeds the input source rating, battery supplement mode supports the system without overloading the input source. BQ25792 supports the full input and output (OTG) voltage ranges for USB Type-C™ and USB power delivery (USB-PD) applications.
The BQ25792 is a fully integrated switch-mode buck -boost charger for 1-4 cell Li-ion batteries and Li-polymer batteries. The integration includes 4 switching MOSFETs (Q1, Q2, Q3, Q4), input and charging current sensing circuits, the battery FET (QBAT) and all the loop compensation of the buck-boost converter. It uses NVDC power path management, regulating the system slightly above the battery voltage without dropping below a configurable minimum system voltage. When system power exceeds the input source rating, battery supplement mode supports the system without overloading the input source. BQ25792 supports the full input and output (OTG) voltage ranges for USB Type-C™ and USB power delivery (USB-PD) applications.
Documents
Technical documentation and resources
