Active-Semi International Inc.
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
ACT8935
Lihat Butiran Helaian data

ACT8935

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management IC
  • Characteristics: High efficiency, compact size, multiple power outputs
  • Package: QFN (Quad Flat No-leads) package
  • Essence: Efficient power management for electronic devices
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Number of Outputs: 5
  • Maximum Output Current: 1A per output
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ACT8935 has a total of 32 pins. The pin configuration is as follows:

  1. VIN1: Input voltage for channel 1
  2. VIN2: Input voltage for channel 2
  3. VIN3: Input voltage for channel 3
  4. VIN4: Input voltage for channel 4
  5. VIN5: Input voltage for channel 5
  6. GND: Ground
  7. VOUT1: Output voltage for channel 1
  8. VOUT2: Output voltage for channel 2
  9. VOUT3: Output voltage for channel 3
  10. VOUT4: Output voltage for channel 4
  11. VOUT5: Output voltage for channel 5
  12. EN1: Enable control for channel 1
  13. EN2: Enable control for channel 2
  14. EN3: Enable control for channel 3
  15. EN4: Enable control for channel 4
  16. EN5: Enable control for channel 5
  17. FB1: Feedback pin for channel 1
  18. FB2: Feedback pin for channel 2
  19. FB3: Feedback pin for channel 3
  20. FB4: Feedback pin for channel 4
  21. FB5: Feedback pin for channel 5
  22. PG1: Power good indicator for channel 1
  23. PG2: Power good indicator for channel 2
  24. PG3: Power good indicator for channel 3
  25. PG4: Power good indicator for channel 4
  26. PG5: Power good indicator for channel 5
  27. BST: Boost voltage input
  28. SW: Switching node
  29. PGND: Power ground
  30. AGND: Analog ground
  31. VDD: Supply voltage
  32. VREF: Reference voltage

Functional Features

  • High efficiency power conversion
  • Multiple independent power outputs
  • Overcurrent protection
  • Thermal shutdown protection
  • Power sequencing control
  • Soft-start functionality
  • Adjustable output voltages
  • Power good indicators for each channel

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Multiple power outputs provide flexibility in powering different components - Overcurrent and thermal protection ensure safe operation - Power sequencing control enables proper startup of the system

Disadvantages: - Limited maximum output current per channel (1A) - Input voltage range may not be suitable for all applications - Requires external components for proper operation

Working Principles

The ACT8935 is a power management IC designed to efficiently regulate and distribute power within electronic devices. It utilizes a combination of switching regulators, LDOs (Low Dropout Regulators), and other circuitry to convert the input voltage to multiple output voltages required by various components.

The IC incorporates overcurrent protection and thermal shutdown mechanisms to safeguard against potential damage. It also features power sequencing control, allowing for proper startup and shutdown of the system.

Detailed Application Field Plans

The ACT8935 is widely used in various electronic devices that require efficient power management. Some common application fields include:

  1. Mobile devices: Smartphones, tablets, portable media players
  2. Wearable devices: Smartwatches, fitness trackers
  3. IoT (Internet of Things) devices: Home automation systems, smart sensors
  4. Portable gaming consoles
  5. Industrial equipment: Data loggers, measurement instruments

Detailed and Complete Alternative Models

  1. ACT8936: Similar to ACT8935 but with higher maximum output current per channel (up to 2A)
  2. ACT8934: Similar to ACT8935 but with fewer output channels (3 instead of 5)
  3. ACT8937: Advanced version with additional features such as voltage monitoring and programmable power sequencing

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific requirements.

Word count: 550 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ACT8935 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of ACT8935 in technical solutions:

  1. Q: What is ACT8935? A: ACT8935 is a highly integrated power management IC (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of ACT8935? A: The key features of ACT8935 include multiple voltage regulators, battery charger, fuel gauge, GPIOs, I2C interface, and more.

  3. Q: How can ACT8935 be used in technical solutions? A: ACT8935 can be used to provide power management and charging capabilities to a wide range of devices, such as smartphones, tablets, IoT devices, and portable electronics.

  4. Q: Can ACT8935 support fast charging technologies? A: Yes, ACT8935 supports various fast charging technologies like Qualcomm Quick Charge, USB Power Delivery, and MediaTek Pump Express.

  5. Q: Does ACT8935 have built-in protection features? A: Yes, ACT8935 incorporates various protection features like overvoltage protection, overcurrent protection, thermal shutdown, and short-circuit protection.

  6. Q: What is the input voltage range supported by ACT8935? A: ACT8935 supports an input voltage range of typically 4.35V to 6.5V, making it compatible with different power sources.

  7. Q: Can ACT8935 operate in low-power modes? A: Yes, ACT8935 has low-power modes that help optimize power consumption during standby or idle periods.

  8. Q: Is ACT8935 programmable? A: Yes, ACT8935 can be programmed through its I2C interface, allowing customization of various parameters and settings.

  9. Q: Can ACT8935 monitor battery status? A: Yes, ACT8935 includes a fuel gauge that can accurately monitor the battery's state of charge and provide battery health information.

  10. Q: Are there any evaluation boards or development kits available for ACT8935? A: Yes, manufacturers often provide evaluation boards and development kits to help engineers prototype and integrate ACT8935 into their designs.

Please note that the answers provided here are general and may vary depending on the specific implementation and configuration of ACT8935 in different technical solutions.