Model No: TPS65251RHAR
Texas Instruments TPS65251RHAR
Manufacturer: Texas Instruments
SEMICON NO.: TPS65251RHAR
Package: 40-VFQFN
Stock: In stock
Description: IC Regulator Buck ADJ 3A/2A TRPL 40VQFN
SEMICON NO.: TPS65251RHAR
Package: 40-VFQFN
Stock: In stock
Description: IC Regulator Buck ADJ 3A/2A TRPL 40VQFN
Quantity :
| Mfr | Texas Instruments |
| Type | Triple-Output Synchronous Buck PMIC |
| Input Voltage Range | 4.5V to 18V |
| Output Voltage Range | Adjustable (0.9V to 5.5V per channel) |
| Output Current (Max) | 3A (Channel 1), 2A (Channel 2 & 3) |
| Switching Frequency | 300kHz to 2.2MHz (Adjustable, Sync Capable) |
| Efficiency | Up to 95% |
| Control Method | Voltage Mode PWM with Forced-PWM & Eco-Mode |
| Protection Features | UVLO, OVP, OCP, Thermal Shutdown |
| Key Features | - Integrated MOSFETs - Power Good Output - I²C Programmable Parameters - Low Quiescent Current |
| Operating Temperature | -40°C to +125°C |
| Package/Sizes | 40-VFQFN |
| RoHS Compliance | RoHS compliant, lead-free |
TPS65251RHAR synchronous step-down converter Power management IC
The TPS65251RHAR is a high-current, synchronous step-down converter designed for a wide input voltage range of 4.5V to 18V. It integrates three independent buck converters, each capable of delivering high efficiency and performance for various power management applications. The device is housed in a 40-pin VQFN package, making it suitable for space-constrained designs.
TPS65251RHAR Features and Specifications
The TPS65251RHAR features a wide input voltage range of 4.5V to 18V and supports output voltages from 0.8V to 17V. It offers a maximum output current of 3A for the first channel and 2A for the other two channels. The switching frequency is adjustable from 300kHz to 2.2MHz, allowing for optimization between efficiency and size. The device also includes various protection features such as undervoltage lockout (UVLO), overvoltage protection (OVP), and thermal shutdown. Additionally, it provides a low-power mode to enhance efficiency during light load conditions.
TPS65251RHAR Applications
The TPS65251RHAR is ideal for applications requiring high efficiency and reliable power conversion. It is commonly used in set-top boxes, Blu-ray players, digital video recorders (DVRs), digital televisions (DTVs), automotive infotainment systems, and security cameras. Its triple-buck architecture and adjustable output voltages make it suitable for a variety of power management needs in consumer electronics and automotive applications.
Alternative Models
●TPS65250RHAR: A single-buck DC-DC converter from Texas Instruments, offering similar performance but with a single output channel.
● LTC2978: An alternative DC-DC converter from Linear Technology, featuring a triple-buck architecture with adjustable output voltages, suitable for applications requiring multiple power rails.
● TPS65023RHAR: A higher power density DC-DC converter from Texas Instruments, offering adjustable output currents and suitable for applications requiring higher power delivery.
The TPS65251RHAR is a high-current, synchronous step-down converter designed for a wide input voltage range of 4.5V to 18V. It integrates three independent buck converters, each capable of delivering high efficiency and performance for various power management applications. The device is housed in a 40-pin VQFN package, making it suitable for space-constrained designs.
TPS65251RHAR Features and Specifications
The TPS65251RHAR features a wide input voltage range of 4.5V to 18V and supports output voltages from 0.8V to 17V. It offers a maximum output current of 3A for the first channel and 2A for the other two channels. The switching frequency is adjustable from 300kHz to 2.2MHz, allowing for optimization between efficiency and size. The device also includes various protection features such as undervoltage lockout (UVLO), overvoltage protection (OVP), and thermal shutdown. Additionally, it provides a low-power mode to enhance efficiency during light load conditions.
TPS65251RHAR Applications
The TPS65251RHAR is ideal for applications requiring high efficiency and reliable power conversion. It is commonly used in set-top boxes, Blu-ray players, digital video recorders (DVRs), digital televisions (DTVs), automotive infotainment systems, and security cameras. Its triple-buck architecture and adjustable output voltages make it suitable for a variety of power management needs in consumer electronics and automotive applications.
Alternative Models
●TPS65250RHAR: A single-buck DC-DC converter from Texas Instruments, offering similar performance but with a single output channel.
● LTC2978: An alternative DC-DC converter from Linear Technology, featuring a triple-buck architecture with adjustable output voltages, suitable for applications requiring multiple power rails.
● TPS65023RHAR: A higher power density DC-DC converter from Texas Instruments, offering adjustable output currents and suitable for applications requiring higher power delivery.
