IR1169STRPBF

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The IR1169STRPBF, or the Monolithic High-Side Gate or Reset Driver, is a power management integrated circuit (PMIC) that integrates a highly efficient high-side power MOSFET with a level-shifting gate driver. This provides a distinct advantage for designers working on solutions used in applications such as industrial automation, HVAC, robotics, pumps, and solar/renewable energy.

The IR1169STRPBF gate driver offers efficient power management for leveraging large currents when considering the small size of the package. The small size of the package makes it an ideal choice for applications that have higher current demands and limited space. As an added benefit, the gate driver also has builtin keep-alive protection, ESD protection and a fast transient response which reduces the overall bill of material cost as separate components are no longer needed to protect and minimize power losses.

The IR1169STRPBF is a 3.3V-IN/5V-OUTgate driver with four dedicated and one shared (sense) output current channel allowing a single device to provide up to five independent outputs in the same package. The IR1169STRPBF offers both PWM and LVDS control allowing it to trigger digital isolators while also providing the option to control analog devices, such as digital potentiometer circuits.

The output channels feature a robust Class-A Output Driver, an adjustable speed high-side driver and an adjustable speed reset/blank/disable driver. All of these features make the IR1169STRPBF an excellent choice for applications requiring a wide variety of power management functions, such as high-side switches for solenoid and motor control, over-current protection and ESD protection for sensitive circuits.

The working principle of the IR1169STRPBF gate driver is based on its integrated P-channel MOSFET and its embedded control logic. The MOSFET is used to route the power supply voltage to the output while the control logic monitors and controls the load current. The control logic receives input signals from the digital interface, such as PWM and LVDS, and an adjustable reference voltage so that the output current and voltage are maintained in accordance with the set parameters.

The IR1169STRPBF also includes an adjustable gain amplifier allowing the gain of the output signal to be adjusted. This makes it possible to reduce the ripple present on the output signal, while maintaining a stable output level. Additionally, the embedded over-temperature protection and ESD protection which act as safeguards against device damage.

In conclusion, the IR1169STRPBF is ideal as a high-side gate/reset driver for industrial, robotics, pumps and energy applications where high reliably and efficient power management is needed. With its integrated highly efficient P-channel MOSFET, control logic, adjustable gain amplifier, adjustable speed high-side driver, adjustable speed reset/blank/disable driver and its embedded over-temperature and ESD protections, the IR1169STRPBF offers an all-in-one solution for efficient power management.

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