STPMIC1APQR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including STPMIC1APQR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for STPMIC1APQR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Features of STPMIC1APQR:
1. Multiple Outputs: The STPMIC1APQR offers several buck regulators, LDOs (Low-Dropout Regulators), and a boost regulator. This makes it suitable for systems that require multiple voltage levels.
2. Programmable Sequencing: The startup and shutdown sequence of each regulator can be programmed, providing flexibility in multi-rail systems.
3. Safety Features: Includes features like overcurrent, overvoltage, and thermal protection, ensuring the reliability of the power supply.
4. I²C Control Interface: Allows for digital control, monitoring, and configuration of the PMIC functionalities.
5. Compact Footprint: Designed to fit in space-constrained applications.
Application Scenarios:
Given its features, the STPMIC1APQR can be used in a plethora of devices like embedded computer systems, IoT devices, industrial applications, and more. For this exercise, we will explore its application in a small embedded computer system, like a single board computer (SBC).
Circuit Connection for an SBC:
1. Input Power:
- STPMIC1APQR VIN pin: Connect this pin to your primary power source, which might typically be a battery or a power adapter of, say, 5V.
2. Core Voltage for the Processor:
- Connect one of the buck regulator outputs, e.g., BUCK1, to the VDD_CORE pin of the processor. Ensure that the voltage level matches the processor's requirement, typically around 1.2V for many ARM-based processors.
3. System Memory Power:
- Use another buck regulator output, say, BUCK2, to power the system RAM. This might typically be around 1.35V for DDR3L or 1.2V for DDR4 memory.
4. I/O Voltage:
- An LDO output from STPMIC1APQR can be used to power the I/O banks of the processor. This might be around 3.3V for many systems.
5. On-board Peripherals:
- For any on-board peripherals like sensors, SD card interfaces, or LEDs, use other LDOs or buck outputs as required.
6. I²C Control:
- Connect the SDA and SCL pins of the STPMIC1APQR to the I²C interface of your processor or microcontroller. This interface allows the software to control the PMIC settings.
7. Enable and Interrupts:
- The EN (Enable) pin can be tied to a GPIO of the processor to programmatically turn on/off the PMIC.
- The INT (Interrupt) pin can notify the processor of any fault conditions.
Design Considerations:
1. Power Sequencing: With multi-rail systems, the order in which power rails come up or shut down can be critical. STPMIC1APQR allows for programmable sequencing, and designers need to set this correctly based on the requirements of the attached components.
2. Thermal Management: Any PMIC can generate heat, especially under heavy loads. Ensure that the STPMIC1APQR has adequate cooling, and consider placing it near vents or using a small heatsink if necessary.
3. PCB Layout: Careful routing of power traces can reduce noise and interference. Keep high-current paths short and away from sensitive analog components.
4. Decoupling Capacitors: Place them close to the outputs of regulators to filter out high-frequency noise.
To wrap it up, the STPMIC1APQR is a versatile PMIC suitable for a broad range of applications, especially in embedded systems that need reliable and configurable power management. Proper design considerations ensure the performance and reliability of the end product.
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The price and inventory of STPMIC1APQR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the STPMIC1APQR we delivered, we will accept the replacement or return of the STPMIC1APQR only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of STPMIC1APQR.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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