| Allicdata Part #: | PS8A0087WEX-ND |
| Manufacturer Part#: |
PS8A0087WEX |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Diodes Incorporated |
| Short Description: | HEATER CONTROLLER SO-8 |
| More Detail: | PMIC |
| DataSheet: |  PS8A0087WEX Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | * |
| Part Status: | Obsolete |
Description
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This article introduces the application field and working principle of PS8A0087WEX. PS8A0087WEX is a power supply management integrated circuit (PMIC) and belongs to the specialized section of power management. It is configured with various power management specifications and can reduce output voltage ripple, increase system noise and reduce thermal performance. Compared with a stand-alone or linear regulator system, it can minimize the components needed, reduce the power consumption and reduce the system size. Its main application fields include home appliances, office equipment and other battery-powered applications.
Structure of PS8A0087WEX
PS8A0087WEX consists of three parts: power IC, controller and power device. The power management integrated circuit (PMIC) is the heart of the system, which is responsible for providing power to the other components. The controller is responsible for controlling the power switch and its features include temperature control and current limitation. The power device is responsible for powering the components. It also provides power control and overload protection.
Features of PS8A0087WEX
The main features of PS8A0087WEX are as follows:
- Power supply voltage range: 5V-30V
- Peak load current: 70A
- Low standby current: 20uA
- Output voltage: 0.7V-5.5V
- Accuracy: ±2.5%
- Wide input range: 17.7V-40V
- Protection: Over voltage, over temperature, short circuit and reverse direction
Working Principle of PS8A0087WEX
The PS8A0087WEX work in a Pulse Width Modulation (PWM) mode. It rectifies the input supply voltage to generate a DC output voltage. The system first goes through a low pass filter, this will filter out any high frequency noise generated by the PWM operation. A Constant On-Time (COT) control is used to achieve the desired output voltage level. This is done by controlling the duty cycle of the generators such that it generates more power at higher input voltage and less power at lower input voltage. An internal voltage sensing circuit is used to sense the output voltage of the system, so as to control the output voltage. The system also uses thermal protection mechanism to control the temperature of the system in case of over-heating.
Conclusion
To conclude, PS8A0087WEX is an example of specialized power management integrated circuits (PMIC), which can optimize the performance of power supply systems in a wide range of applications. It is configured with various power management specifications and provides excellent protection against overvoltage, over temperature, short circuit and reverse direction. Moreover, its COT control mode also makes it suitable for battery-powered applications. Its main application fields include office equipment, home appliances and battery-powered applications.
The specific data is subject to PDF, and the above content is for reference
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