Model No: BQ25792RQMR
Texas Instruments BQ25792RQMR
Manufacturer: Texas Instruments
SEMICON NO.: BQ25792RQMR
Package: 29-VFQFN
Stock: In stock
Description: Charger IC Lithium Ion/Polymer I2C Controlled
SEMICON NO.: BQ25792RQMR
Package: 29-VFQFN
Stock: In stock
Description: Charger IC Lithium Ion/Polymer I2C Controlled
Quantity :
| Mfr | Texas Instruments |
| Type | Battery Management IC (Switch-Mode Buck-Boost Charger) |
| Target Battery | 1-4 cells Li-Ion/Li-Polymer |
| Input Voltage Range | 3.6 V to 24 V (Absolute Maximum: 30 V) |
| Output Voltage | 2.8 V to 22 V (OTG Mode, 10 mV Resolution) |
| Charging Current | Up to 5 A (10 mA Resolution) |
| Switching Frequency | 750 kHz or 1.5 MHz (Programmable) |
| Power Efficiency | Up to 96.5% (9 V Input, 3 A Charge Current) |
| Installation Style | SMD/SMT |
| Package/Sizes | 29-VFQFN |
| Operating Temperature | -40°C to +85°C |
| Humidity Sensitivity | Yes |
| RoHS Compliance | Yes |
BQ25792RQMRTI'sbattery charger IC, USB PD 3.0 Chip
The BQ25792RQMR is a highly integrated switch-mode buck-boost battery charger from Texas Instruments, designed for 1-4 cell Li-ion, Li-polymer, and LiFePO₄ batteries. It supports a wide input voltage range from 3.6 V to 24 V and offers a maximum charging current of 5 A. The device integrates four switching MOSFETs, a battery FET (BATFET), and input/charging current sensing circuits, providing a compact and efficient solution for battery charging applications. It is available in a 29-pin 4 mm × 4 mm VQFN-HR package.
BQ25792RQMR Features
The BQ25792RQMR offers a comprehensive set of features to enhance its performance and versatility. It supports switching frequencies of 750 kHz or 1.5 MHz, ensuring high efficiency and minimal power loss. The device includes a narrow voltage DC (NVDC) power path management system, which regulates the system voltage slightly above the battery voltage without dropping below a configurable minimum system voltage. It also features a dual-input power multiplexer controller for source selection and USB OTG functionality, supporting a wide range of USB Type-C and USB Power Delivery (PD) applications. Additionally, the BQ25792RQMR integrates a 16-bit ADC for precise voltage, current, and temperature monitoring.
BQ25792RQMR Applications
The BQ25792RQMR is suitable for a wide range of applications requiring high efficiency and flexibility in battery charging. It is commonly used in portable devices such as smartphones, tablets, and laptops, as well as in industrial equipment and medical devices. Its support for USB Type-C and USB PD 3.0 profiles makes it ideal for applications requiring fast charging and high power delivery. The device's ability to handle a wide range of input sources and its integrated safety features make it a reliable choice for various battery-powered systems.
Selection Advantages
Choosing the BQ25792RQMR provides several advantages. Its high integration and efficiency make it suitable for applications where space and power consumption are critical. The device's wide input voltage range and support for multiple battery chemistries offer flexibility in system design. Additionally, its low quiescent current (21 µA in battery-only mode and 600 nA in charger shutdown mode) ensures minimal power loss during operation. The BQ25792RQMR also features high accuracy in charge voltage and current regulation, ensuring reliable and consistent performance.
Alternative Models
· BQ25790: A similar device with dual-input selector and USB PD 3.0 OTG output.
· BQ25611D: A 1-cell 3.0-A buck battery charger with USB detection and 1.2-A boost operation.
· BQ25672: A 1-4 cell 3-A buck battery charger with dual-input selector and integrated ADC.
· BQ25798: A 1-4 cell 5-A buck-boost solar battery charger with dual-input selector and MPPT for small photovoltaic panels.
The BQ25792RQMR is a highly integrated switch-mode buck-boost battery charger from Texas Instruments, designed for 1-4 cell Li-ion, Li-polymer, and LiFePO₄ batteries. It supports a wide input voltage range from 3.6 V to 24 V and offers a maximum charging current of 5 A. The device integrates four switching MOSFETs, a battery FET (BATFET), and input/charging current sensing circuits, providing a compact and efficient solution for battery charging applications. It is available in a 29-pin 4 mm × 4 mm VQFN-HR package.
BQ25792RQMR Features
The BQ25792RQMR offers a comprehensive set of features to enhance its performance and versatility. It supports switching frequencies of 750 kHz or 1.5 MHz, ensuring high efficiency and minimal power loss. The device includes a narrow voltage DC (NVDC) power path management system, which regulates the system voltage slightly above the battery voltage without dropping below a configurable minimum system voltage. It also features a dual-input power multiplexer controller for source selection and USB OTG functionality, supporting a wide range of USB Type-C and USB Power Delivery (PD) applications. Additionally, the BQ25792RQMR integrates a 16-bit ADC for precise voltage, current, and temperature monitoring.
BQ25792RQMR Applications
The BQ25792RQMR is suitable for a wide range of applications requiring high efficiency and flexibility in battery charging. It is commonly used in portable devices such as smartphones, tablets, and laptops, as well as in industrial equipment and medical devices. Its support for USB Type-C and USB PD 3.0 profiles makes it ideal for applications requiring fast charging and high power delivery. The device's ability to handle a wide range of input sources and its integrated safety features make it a reliable choice for various battery-powered systems.
Selection Advantages
Choosing the BQ25792RQMR provides several advantages. Its high integration and efficiency make it suitable for applications where space and power consumption are critical. The device's wide input voltage range and support for multiple battery chemistries offer flexibility in system design. Additionally, its low quiescent current (21 µA in battery-only mode and 600 nA in charger shutdown mode) ensures minimal power loss during operation. The BQ25792RQMR also features high accuracy in charge voltage and current regulation, ensuring reliable and consistent performance.
Alternative Models
· BQ25790: A similar device with dual-input selector and USB PD 3.0 OTG output.
· BQ25611D: A 1-cell 3.0-A buck battery charger with USB detection and 1.2-A boost operation.
· BQ25672: A 1-4 cell 3-A buck battery charger with dual-input selector and integrated ADC.
· BQ25798: A 1-4 cell 5-A buck-boost solar battery charger with dual-input selector and MPPT for small photovoltaic panels.
