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MAX8739ETP+ - English Editing Encyclopedia Entry
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - High-efficiency, synchronous step-down DC-DC converter - Provides a compact and efficient solution for various power management applications - Designed to deliver high current output with minimal external components
Package: TQFN-20 (Thin Quad Flat No-Lead) package
Essence: The MAX8739ETP+ is a power management IC that integrates a high-efficiency, synchronous step-down DC-DC converter. It is widely used in various electronic devices to efficiently regulate and distribute power.
Packaging/Quantity: The MAX8739ETP+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 3A
- Switching Frequency: 1MHz
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX8739ETP+ has a total of 20 pins. Here is the detailed pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switching node connection for the internal MOSFETs
- FB: Feedback pin for regulating the output voltage
- EN: Enable pin for turning the device on/off
- SS/TRK: Soft-start/tracking pin for controlling the start-up behavior
- PGND: Power ground pin
- LX: Inductor connection pin
- VCC: Internal bias voltage input pin
- BST: Boost capacitor connection pin
- AGND: Analog ground pin
- COMP: Compensation pin for stability control
- SS/TRK: Soft-start/tracking pin for controlling the start-up behavior
- PGND: Power ground pin
- LX: Inductor connection pin
- VCC: Internal bias voltage input pin
- BST: Boost capacitor connection pin
- AGND: Analog ground pin
- COMP: Compensation pin for stability control
- FB: Feedback pin for regulating the output voltage
Functional Features
- High-efficiency synchronous step-down DC-DC converter
- Integrated power MOSFETs for reduced external component count
- Adjustable output voltage through feedback pin (FB)
- Enable pin (EN) for easy on/off control
- Soft-start/tracking pin (SS/TRK) for controlled start-up behavior
- Overcurrent protection and thermal shutdown features for enhanced safety
Advantages and Disadvantages
Advantages: - High efficiency, leading to reduced power consumption - Compact size and minimal external components required - Wide input voltage range for versatile applications - Overcurrent protection and thermal shutdown for improved safety
Disadvantages: - Limited maximum output current of 3A - Operating temperature range may not be suitable for extreme environments
Working Principles
The MAX8739ETP+ operates as a synchronous step-down DC-DC converter. It takes an input voltage within the range of 2.7V to 5.5V and efficiently steps it down to a lower output voltage, adjustable between 0.6V and the input voltage. The integrated power MOSFETs ensure high efficiency by minimizing power losses.
The device uses a feedback mechanism to regulate the output voltage, allowing for precise voltage control. The enable pin enables easy on/off control of the device, while the soft-start/tracking pin controls the start-up behavior, ensuring a smooth and controlled power-up sequence.
Detailed Application Field Plans
The MAX8739ETP+ finds applications in various electronic devices that require efficient power management. Some of the common application fields include:
- Mobile Devices: Smartphones, tablets, portable media players
- Portable Gaming Consoles: Handheld gaming devices
- Wearable Electronics: Smartwatches, fitness trackers
- IoT Devices: Internet of Things devices, sensors, smart home devices
- Industrial Equipment: Battery-powered equipment, control systems
Detailed and Complete Alternative Models
- MAX8739ETI+: Similar to MAX8739ETP+, but available in a TQFN-28 package with additional features such as adjustable switching frequency.
- MAX8739ETJ+: Higher maximum output current of 5A, suitable for applications requiring higher power delivery.
- MAX8739ETR+: Available in a smaller TQFN-16 package, ideal for space-constrained designs.
These alternative models offer similar functionality to the MAX8739ETP+ but may have different package options, improved specifications, or
Texniki həllərdə MAX8739ETP+ tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın
Sure! Here are 10 common questions and answers related to the application of MAX8739ETP+ in technical solutions:
Q: What is MAX8739ETP+? A: MAX8739ETP+ is a highly integrated power management IC (PMIC) designed for use in portable devices such as smartphones, tablets, and other battery-powered applications.
Q: What are the key features of MAX8739ETP+? A: The key features of MAX8739ETP+ include multiple voltage regulators, battery charger, power switches, and protection circuits, all integrated into a single chip.
Q: How many voltage regulators are there in MAX8739ETP+? A: MAX8739ETP+ has three high-efficiency step-down voltage regulators, which can provide different output voltages required by various components in the system.
Q: Can MAX8739ETP+ charge the battery while the device is powered on? A: Yes, MAX8739ETP+ includes a battery charger circuit that can charge the battery while the device is powered on, allowing continuous operation.
Q: Does MAX8739ETP+ have any protection features? A: Yes, MAX8739ETP+ incorporates various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), thermal shutdown, and short-circuit protection.
Q: What is the input voltage range supported by MAX8739ETP+? A: MAX8739ETP+ supports an input voltage range from 2.7V to 5.5V, making it compatible with a wide range of power sources.
Q: Can MAX8739ETP+ operate at low power levels? A: Yes, MAX8739ETP+ has a low quiescent current and can operate in low-power modes to maximize battery life in portable devices.
Q: Is MAX8739ETP+ programmable? A: No, MAX8739ETP+ is not programmable. It operates based on its internal circuitry and does not require any external programming.
Q: Can MAX8739ETP+ be used in automotive applications? A: No, MAX8739ETP+ is not specifically designed for automotive applications. It is primarily intended for portable consumer electronic devices.
Q: Are evaluation boards or reference designs available for MAX8739ETP+? A: Yes, Maxim Integrated provides evaluation boards and reference designs that can help engineers quickly prototype and integrate MAX8739ETP+ into their systems.
Please note that these answers are general and may vary depending on the specific requirements and use cases of the application.