CD4541BPWRG4

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Clock/Timing - Programmable Timers and Oscillators

The CD4541BPWRG4 is a programmable timer/oscillator from Texas Instruments that belongs to their wide range of advanced clock and timing solutions. This specific component offers designers the advantage of an integrated circuit that functions as an oscillator or a programmable timer and can be adapted to numerous industrial, automotive and consumer application requirements.

In terms of design, the CD4541BPWRG4 is a 9-pin component with a single supply that requires 5V DC. It includes a built-in oscillator, a programmable input-output flip-flop and MOS-FET level shift. This component offers designers the flexibility of programmability, allowing them to set up various time constants.

The CD4541BPWRG4 offers considerable features such as low power consumption, high accuracy (10 ppm stability), very low temperature coefficient (0.05 ppm/°C) and excellent accuracy over temperature and supply voltage range.

Application Field

The CD4541BPWRG4 offers designers the flexibility necessary to support many applications that require accurate and reliable timing and oscillation, making it suitable for numerous industrial, automotive, electronics and consumer systems. These includes systems such as general-purpose clocks and time bases, automotive blower and wiper motors, amplifier and gate control, motor and solenoid control, switching regulators, audio pulse control and pulse-width modulation.

At the same time, its performance characteristics enable it to be used when controlling fan and wiper motors, LCD power supplies, automotive electronic control units, television frequency synthesizers, and in other devices that require accurate, reliable and flexible oscillator and timer circuits.

Working Principle

The CD4541BPWRG4 is a programmable timer, oscillator and counter located on a 9-pin chip designed for single-supply operation.This integrated circuit contains a programmable flip-flop, a voltage-controlled oscillator, an input-output flip-flop, and a MOS-FET level shifter. The way this circuit functions is that the voltage-controlled oscillator output is filtered and then routed to a programmable input-output flip-flop. The output of this flip-flop is then used to charge or discharge an external capacitor, which creates an oscillation.

The frequency of this oscillation is determined by the external capacitor connected to the OSC pin, and the duty cycle is adjustable by controlling the threshold and hysteresis of the comparators. The time base accuracy tolerance of the CD4541BPWRG4 is typically 10 ppm/°C, and it is suitable supply voltages of 5V. The input pins of the chip are designed for logic level or rheostat operation for variable frequency operation.

Conclusion

The CD4541BPWRG4 is part of a widely used family of clocking solutions from Texas Instruments. This component is widely used in many industrial, automotive and consumer applications requiring accurate, reliable and flexible oscillator and timer circuits. The CD4541BPWRG4 is a programmable timer/oscillator that requires 5V DC and includes a built-in oscillator, a programmable flip-flop, and a MOS-FET level shift. The components features include low power consumption, high accuracy, very low temperature coefficient and excellent accuracy over temperature and supply voltage range.

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