UDN2916EBTR-T Integrated Circuits (ICs)

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PMIC (Power Management Integrated Circuit) motor drivers, controllers and UDN2916EBTR-T are widely used in electronics industry. UDN2916EBTR-T, a high voltage chip, provides high side and low side control outputs and is designed for direct control of 8V to 95V DC motors. Its application field can be found in Heating, Ventilation, and Air-conditioning (HVAC) systems, household appliances and power tools.

A UDN2916EBTR-T chip contains three N-channel MOSFET output switches (HPMOS, DSMOS, and LPMOS). HPMOS is a high-side power FET, while LPMOS is a low-side power FET. DSMOS is a low-side power FET that helps excite the motor windings. A single bidirectional low-side switch contains two low-side FETs, one in the on-state and one in the off-state. This bidirectional switch helps reduce motor noise and provides flexibility in motor control applications.

In terms of working principle, the UDN2916EBTR-T utilizes the low-side MOSFET’s PWM (pulse-width modulation) control to adjust the speed of the motor via the level of power provided to the motor -- the higher the speed the greater the PWM control. UDN2916EBTR-T utilizes pulse-by-pulse current limit by monitoring the DSMOS current and stops powering the motor when the current limit is exceeded. Additionally, it also includes safeguards via over-temperature and over-current protection to protect the motor and users.

To summarize, UDN2916EBTR-T is a power management device that can control the speed of DC motors to a desired level through pulse-by-pulse current limit and PWM control. It provides high side and low side control outputs and is designed for direct control of 8V to 95V DC motors. UDN2916EBTR-T is commonly used in electronics industry, especially in Heating, Ventilation, and Air-conditioning (HVAC) systems, household appliances and power tools.

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