PS8A0040APEX

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The APEX 8A0040 is a specially designed power management integrated circuit (PMIC) produced by Sanyo Semiconductor, a subsidiary of the Sanyo Group. The device is intended for low power and embedded applications, where system-wide power savings and high performance requires tight integration of critical components. The APEX 8A0040 integrates many features necessary for a power management system, such as voltage regulators, switching controllers, power-on reset generators and multiple system power rails. The device also includes a large selection of advanced protection features, such as over-voltage, over-current and thermal protection.

The APEX 8A0040 is ideally suited for system designs requiring a low operating voltage, with draw operating power of less than 250mW. The device integrates a complete suite of integrated power management functions, including power sequencing, voltage monitoring, over-voltage protection, over-current protection, thermal protection and boot-up reset delay. It also supports power saving mechanisms such as automatic power down, low power/cold standby, and dynamic voltage scaling (DVS).

The APEX 8A0040 supports voltage scaling, where the operating voltage can be changed dynamically to address a system’s power requirements. The device can provide up to three independently regulated output voltages (1.2V to 4.5V) and four phase-shifted clock outputs. There is also a host of integrated features to minimize system power consumption and improve performance.

Operational efficiency is improved through the use of clock gating (shutting down unused circuitry) and voltage scaling via dynamic voltage frequency scaling (DFVS). The device also includes on-board testing features such as an internal integrated test controller (ITC), a Built-In Self-Test (BIST) module, and a system-level voltage monitor (SVL). These features help to reduce system cost, development time and associated risk.

The APEX 8A0040 also offers full power management and comprehensive protection coverage. It has integrated OTP (over-temperature protection) and provides four dedicated resettable OVP (over-voltage protection) monitors. Each output voltage is compared with a programmable safety level and default shutdown occurs when a fault is detected, thereby minimizing the possibility of damage to the system.

The APEX 8A0040 has been designed to enable easy system integration and development, with register settings that reduce time-to-market. The device allows the designer to configure multiple power domains and areas, including system power on/off, power sequencing, output voltage regulation and dynamic voltage-frequency scaling. The device supports Active Clock Scaling (ACS) for improved system performance, with a transparent clock stretcher for optimal real-time performance.

In summary, the APEX 8A0040 is a highly integrated and flexible power management integrated circuit (PMIC) ideal for embedded applications requiring low power and high performance. It offers excellent power efficiency and system protection, as well as a host of other features to facilitate efficient system integration. The APEX 8A0040 is the ideal choice for the power conscious system designer.

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