APX824-44W5G-7 vs ICL7665ACPA
| Part Number |
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| Category | PMIC - Supervisors | PMIC - Supervisors |
| Manufacturer | Diodes Incorporated | Maxim Integrated |
| Description | IC SUPERVISOR 1 CHANNEL SOT25 | IC SUPERVISOR 2 CHANNEL 8DIP |
| Package | Tape & Reel (TR) | Tube |
| Series | - | - |
| Type | Simple Reset/Power-On Reset | Multi-Voltage Supervisor |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | SC-74A, SOT-753 | 8-DIP (0.300\", 7.62mm) |
| Supplier Device Package | SOT-25 | 8-PDIP |
| Number of Voltages Monitored | 1 | 2 |
| Output | Push-Pull, Totem Pole | Open Drain or Open Collector |
| Reset | Active High/Active Low | Active High |
| Reset Timeout | 140ms Minimum | <1ms Minimum |
| Voltage - Threshold | 4.38V | Adjustable/Selectable |
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1. What is PMIC in electronic products?
PMIC (Power Management Integrated Circuit) is a key component dedicated to managing and distributing power in electronic devices. It improves the efficiency and reliability of the power system by integrating multiple power management functions, while reducing the size and cost of the device.
The main functions of PMIC include power supply, battery management, charging management, and power consumption management. It can provide stable power to the main system and manage and control the battery. -
2. What is PMIC in embedded systems?
PMIC plays a very important role in embedded systems. It is responsible for monitoring and controlling the power status of the system, can manage multiple power rails, and provide functions such as voltage regulation, battery charging, and power sequencing. Through these functions, PMIC ensures stable operation of the system and effective use of power.
Depending on the functions and applications, PMIC can be divided into the following basic categories: linear regulators, switching regulators, battery charging management, DC/DC converters, and multi-phase power management. These categories help meet the diverse needs of different electronic devices for power management.
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3. What is PMIC in cars ?
PMIC in cars is a power management integrated circuit, which is mainly used to manage and control the power supply in cars. PMIC ensures stable and reliable operation of automotive electronic systems by converting, distributing, monitoring, and regulating power.
PMIC is widely used in automobiles, mainly in scenarios such as smart cockpits, autonomous driving, body electronics, instrumentation and entertainment systems, lighting systems, and battery management systems (BMS). According to different application requirements, PMIC can be divided into AC/DC, DC/DC, LDO, driver chips, and battery management ICs. -
4. Why do we need PMIC ?
PMIC (power management IC) plays a vital role in modern electronic devices. It can effectively manage and optimize the use of power to ensure the stable operation of the equipment and extend the battery life.
The core functions of PMIC include:
Power status monitoring: real-time monitoring of parameters such as battery power, voltage and current, judging the power status according to the set threshold, and issuing warning signals when necessary.
Energy optimization: Automatically adjust the power supply mode according to the equipment usage and requirements to meet the needs of the equipment and avoid energy waste.
Protection function: Provide overload, overheating, short circuit and other protection functions to ensure the safe operation of the equipment.
Energy saving function: Automatically reduce the power supply power or enter the energy saving mode when the equipment is in standby mode to extend the battery life.
The importance of PMIC is reflected in many aspects:
Improve equipment performance and responsiveness: By optimizing power transmission, ensure that components receive the right power at the right time, thereby improving equipment performance and responsiveness.
Extend battery life: Reduce power waste, extend battery life, and reduce environmental impact.
Miniaturize equipment: Play a role in high power density and integration to achieve miniaturization of electronic products.
Ensure equipment safety: Through a variety of protection functions, ensure that the equipment can operate safely under various working conditions.
In summary, PMIC is indispensable in modern electronic devices. It not only improves the performance and safety of the equipment, but also extends battery life and reduces environmental impact. It is a key technology for realizing efficient, safe and miniaturized electronic devices.
