PCA9534PWR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Number of I/O:	8
Interface:	I²C, SMBus
Interrupt Output:	Yes
Features:	POR
Output Type:	Push-Pull
Current - Output Source/Sink:	10mA, 25mA
Clock Frequency:	400kHz
Voltage - Supply:	2.3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	PCA9534

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<p>The PCA9534PWR is a P-channel MOSFET-based switch mode Output Expander, commonly used in a range of electronic devices. Its main purpose is to provide an expandable set of port pins, allowing for connecting multiple peripherals to a single device. The output voltage of the PCA9534PWR can range between 1.8 and 3.3 V and is adjustable depending on the system requirements. Additionally, it features variable switch resistance, providing great flexibility in terms of power-savings and stability.</p><p>The PCA9534PWR application field includes industrial and consumer electronics, such as printers and scanners, modems and routers, television sets, car stereos and other audio/video equipment. Additionally, it can be used for the development and testing of new electronic designs and devices, as well as for prototyping.</p><p>The internal circuitry of the PCA9534PWR consists of a microcontroller, a voltage booster, a power supply and a couple of MOSFET-based switch mode Output Expanders. The microcontroller is responsible for providing intelligence and control, such as switching between operating modes and monitoring the system for any anomalies or errors. The voltage booster helps increase the input and output voltage ranges of the device, offering great power-saving features. The power supply provides a constant, uniform voltage regardless of the current load. Finally, the MOSFET-based switch mode Output Expanders provide variable switch resistance, which allows the system to draw only the necessary power while limiting the current draw.</p><p>The PCA9534PWR works in two distinct modes: PWM mode and pulse-width modulation (PWM) mode. In PWM mode, the output voltage is varied by adjusting the cycle period while keeping the duty cycle (the percentage of \'on\' time of each cycle) constant. In pulse-width modulation (PWM) mode, the output voltage is varied by adjusting the duty cycle while keeping the cycle period constant. The switching frequency of the output expander can be adjusted according to the frequency required for each application.</p><p>Overall, the PCA9534PWR offers great flexibility and stability for a wide range of electronic applications. It offers adjustable input and output voltage ranges, providing users with the option to power multiple devices from a single source. Additionally, it provides a wide range of switch resistance options, allowing users to design low-power, stable systems.</p>

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